* [PATCH v1 2/2] command: ccrypt Crypt and Decrypt Files uses keystore for passwords compatible with https://sourceforge.net/projects/ccrypt/ keystore_init Simple Keystore initializer
@ 2017-09-14 12:29 gp
2017-09-18 7:07 ` Sascha Hauer
0 siblings, 1 reply; 2+ messages in thread
From: gp @ 2017-09-14 12:29 UTC (permalink / raw)
To: barebox; +Cc: Gerd Pauli
From: Gerd Pauli <gp@high-consulting.de>
Signed-off-by: Gerd Pauli <gp@high-consulting.de>
---
commands/Kconfig | 14 +
commands/Makefile | 2 +
commands/ccrypt.c | 247 +++++++++++++++
commands/keystore_init.c | 79 +++++
include/ccryptlib.h | 98 ++++++
lib/Kconfig | 3 +
lib/Makefile | 1 +
lib/ccryptlib/Makefile | 4 +
lib/ccryptlib/ccryptlib.c | 417 +++++++++++++++++++++++++
lib/ccryptlib/rijndael.c | 347 +++++++++++++++++++++
lib/ccryptlib/rijndael.h | 76 +++++
lib/ccryptlib/tables.c | 768 ++++++++++++++++++++++++++++++++++++++++++++++
lib/ccryptlib/tables.h | 10 +
13 files changed, 2066 insertions(+)
create mode 100644 commands/ccrypt.c
create mode 100644 commands/keystore_init.c
create mode 100644 include/ccryptlib.h
create mode 100644 lib/ccryptlib/Makefile
create mode 100644 lib/ccryptlib/ccryptlib.c
create mode 100644 lib/ccryptlib/rijndael.c
create mode 100644 lib/ccryptlib/rijndael.h
create mode 100644 lib/ccryptlib/tables.c
create mode 100644 lib/ccryptlib/tables.h
diff --git a/commands/Kconfig b/commands/Kconfig
index 89b3103..2e296a3 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -2137,6 +2137,20 @@ config CMD_SEED
help
Seed the pseudo random number generator (PRNG)
+config CMD_CCRYPT
+ tristate
+ prompt "ccrypt"
+ select CCRYPTLIB
+ help
+ AES crypt and decrypt support
+
+config CMD_KEYSTOREINIT
+ tristate
+ prompt "keystore_init"
+ select CRYPTO_KEYSTORE
+ help
+ Keystore initialisation
+
# end Miscellaneous commands
endmenu
diff --git a/commands/Makefile b/commands/Makefile
index 16c1768..42bc1d8 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -124,3 +124,5 @@ obj-$(CONFIG_CMD_SPD_DECODE) += spd_decode.o
obj-$(CONFIG_CMD_MMC_EXTCSD) += mmc_extcsd.o
obj-$(CONFIG_CMD_NAND_BITFLIP) += nand-bitflip.o
obj-$(CONFIG_CMD_SEED) += seed.o
+obj-$(CONFIG_CMD_CCRYPT) += ccrypt.o
+obj-$(CONFIG_CMD_KEYSTOREINIT) += keystore_init.o
diff --git a/commands/ccrypt.c b/commands/ccrypt.c
new file mode 100644
index 0000000..f299b9c
--- /dev/null
+++ b/commands/ccrypt.c
@@ -0,0 +1,247 @@
+/*
+ * ccrypt.c - Crypt and Decrypt Files using Password in Keystore
+ *
+ * Copyright (C) 2015 Alexander Smirnov <alllecs@yandex.ru>
+ * Copyright (c) 2017 Gerd Pauli <gp@high-consulting.de>, HighConsulting GmbH & Co. KG
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <libfile.h>
+#include <getopt.h>
+#include <fcntl.h>
+#include <fs.h>
+#include <ccryptlib.h>
+#include <crypto/keystore.h>
+
+#define INBUFSIZE 1024
+#define OUTBUFSIZE INBUFSIZE+32
+
+void ccrypt_error( int e ) {
+ if ( e == -1 ) {
+ printf("ccrypt: %s\n",strerror(errno));
+ return;
+ }
+ if ( e == -2 ) {
+ switch (ccrypt_errno) {
+ case CCRYPT_EFORMAT:
+ printf("ccrypt: %s\n","bad file format");
+ break;
+ case CCRYPT_EMISMATCH:
+ printf("ccrypt: %s\n","key does not match");
+ break;
+ case CCRYPT_EBUFFER:
+ printf("ccrypt: %s\n","buffer overflow");
+ break;
+ default:
+ /* do nothing */
+ printf("ccrypt: %s\n","unknown error");
+ break;
+ }
+ return;
+ }
+ printf("ccrypt: %s\n","unknown error");
+}
+
+void print_b (ccrypt_stream_t *b) {
+ /* ccrypt_state_t *s;
+ s = b->state;
+ printf("in: %p %d, out: %p %d\n",b->next_in,b->avail_in,b->next_out,b->avail_out); */
+}
+
+static int do_ccrypt(int argc, char *argv[])
+{
+ int opt;
+ int ret=-EINVAL;
+ int encrypt=0;
+ int decrypt=0;
+ char *extract = NULL;
+ char *from = NULL;
+ char *to = NULL;
+ char *r_buf = NULL;
+ char *w_buf = NULL;
+ int from_fd = 0;
+ int to_fd = 0;
+ int r,w;
+ void *buf;
+ ccrypt_stream_t ccs;
+ ccrypt_stream_t *b = &ccs;
+ int flags=0;
+ char *key;
+ int keylen;
+ int eof=0;
+
+ while ((opt = getopt(argc, argv, "dek:")) > 0) {
+ switch(opt) {
+ case 'e':
+ encrypt=1;
+ break;
+ case 'd':
+ decrypt=1;
+ break;
+ case 'k':
+ extract = optarg;
+ break;
+ }
+ }
+ if ( encrypt == 1 && decrypt == 1 )
+ return ret;
+ if ( extract == NULL )
+ return ret;
+
+ if ( optind != 4 )
+ return ret;
+
+ if ( argc != 6 )
+ return ret;
+
+ from = argv[optind];
+ to = argv[optind + 1];
+
+ r_buf=xmalloc(INBUFSIZE);
+ w_buf=xmalloc(OUTBUFSIZE);
+
+ ret=keystore_get_secret(extract, (const u8 **)&key, &keylen);
+ if ( ret )
+ goto out;
+
+ /* printf("%d %d %s %s %s\n", argc,optind,from,to,key); */
+
+ from_fd = open(from, O_RDONLY);
+ if (from_fd < 0) {
+ printf("could not open %s: %s\n", from, errno_str());
+ ret=errno;
+ goto out;
+ }
+
+ to_fd = open(to, O_WRONLY | O_CREAT | O_TRUNC);
+ if (to_fd < 0) {
+ printf("could not open %s: %s\n", to, errno_str());
+ ret=errno;
+ goto out;
+ }
+
+ /* flags |= CCRYPT_MISMATCH; */
+ ret=0;
+
+ if ( encrypt == 1 )
+ ret = ccencrypt_init(b, key);
+
+ if ( decrypt == 1 )
+ ret = ccdecrypt_init(b, key, flags);
+
+ if ( ret != 0 ) {
+ ccrypt_error(ret);
+ ret=-EDOM;
+ goto out;
+ }
+
+ b->avail_in = 0;
+
+ while (1) {
+ /* fill input buffer */
+ if (b->avail_in == 0 && !eof) {
+ r = read(from_fd, r_buf, INBUFSIZE);
+ if (r < 0) {
+ perror("read");
+ goto out;
+ }
+ if (!r)
+ eof=1;
+ b->next_in = &r_buf[0];
+ b->avail_in = r;
+ }
+
+ /*printf("red %d bytes\n",r);
+ memory_display(r_buf, 0, r, 1, 0); */
+
+ /* prepare output buffer */
+ b->next_out = &w_buf[0];
+ b->avail_out = OUTBUFSIZE;
+
+ /* print_b(b); */
+
+ /* do some work */
+ if ( encrypt == 1 ) {
+ ret = ccencrypt(b);
+ if (ret) {
+ ccrypt_error(ccrypt_errno);
+ ccencrypt_end(b);
+ ret=-EDOM;
+ goto out;
+ }
+ }
+ if ( decrypt == 1 ) {
+ ret = ccdecrypt(b);
+ if (ret) {
+ ccrypt_error(ccrypt_errno);
+ ccdecrypt_end(b);
+ ret=-EDOM;
+ goto out;
+ }
+ }
+
+ /* print_b(b); */
+
+ r = OUTBUFSIZE-b->avail_out;
+ buf = &w_buf[0];
+
+
+ /* memory_display(buf, 0, r, 1, 0);
+ printf("wana write %d bytes\n",r); */
+
+ /* process output buffer */
+ while (r) {
+ w = write(to_fd, buf, r);
+ if (w < 0) {
+ perror("write");
+ goto out;
+ }
+ /* printf("wrote %d bytes from @%p\n",w,buf); */
+ buf += w;
+ r -= w;
+ }
+
+ /* ready */
+ if (eof && b->avail_out != 0) {
+ break;
+ }
+ }
+ ret = 0;
+ out:
+ free(r_buf);
+ free(w_buf);
+ if (from_fd > 0)
+ close(from_fd);
+ if (to_fd > 0)
+ close(to_fd);
+
+ return ret;
+}
+
+BAREBOX_CMD_HELP_START(ccrypt)
+BAREBOX_CMD_HELP_TEXT("AES Crypt and Decrypt")
+BAREBOX_CMD_HELP_TEXT("")
+BAREBOX_CMD_HELP_TEXT("Options:")
+BAREBOX_CMD_HELP_OPT("-e", "encrypt")
+BAREBOX_CMD_HELP_OPT("-d", "decrypt")
+BAREBOX_CMD_HELP_OPT("-k name", "Name of key in keystore")
+BAREBOX_CMD_HELP_END
+
+BAREBOX_CMD_START(ccrypt)
+.cmd = do_ccrypt,
+ BAREBOX_CMD_DESC("Crypt and Decrypt Files")
+ BAREBOX_CMD_OPTS("[-e|-d] -k NAME SRC DST")
+ BAREBOX_CMD_HELP(cmd_ccrypt_help)
+BAREBOX_CMD_END
diff --git a/commands/keystore_init.c b/commands/keystore_init.c
new file mode 100644
index 0000000..beabbe7
--- /dev/null
+++ b/commands/keystore_init.c
@@ -0,0 +1,79 @@
+/*
+ * keystore_init.c - Initialize the keystore with dummy key to test ccrypt
+ *
+ * Copyright (c) 2017 Gerd Pauli <gp@high-consulting.de>, HighConsulting GmbH & Co. KG
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#define DEBUG
+
+
+#include <common.h>
+#include <command.h>
+#include <libfile.h>
+#include <crypto/keystore.h>
+#include <getopt.h>
+
+static int do_keystore_init(int argc, char *argv[])
+{
+ int ret=-EINVAL;
+ char key[]="ksjdfhlucxlykjjhasdflkjh7765";
+ int get=0;
+ int set=1;
+#ifdef DEBUG
+ int opt;
+#endif
+ char *extract = NULL;
+ char *mykey;
+ int mykeylen;
+
+#ifdef DEBUG
+ while ((opt = getopt(argc, argv, "gk:")) > 0) {
+ switch (opt) {
+ case 'g':
+ get=1;
+ set=0;
+ break;
+ case 'k':
+ extract = optarg;
+ }
+ }
+#endif
+ if ( set == 1 ) {
+ if ( extract == NULL ) {
+ ret=keystore_set_secret("ccrypt", key, strlen(key)+1);
+ } else {
+ ret=keystore_set_secret("ccrypt", extract, strlen(extract)+1);
+ }
+ }
+ if ( get == 1 ) {
+ ret=keystore_get_secret("ccrypt", (const u8 **)&mykey, &mykeylen);
+ if ( ret == 0 ) {
+ printf("Key for \"ccrypt\" is: %s len: %d\n",mykey,mykeylen);
+ }
+ }
+ return ret;
+}
+
+BAREBOX_CMD_HELP_START(keystore_init)
+BAREBOX_CMD_HELP_TEXT("Initialize Keystore")
+BAREBOX_CMD_HELP_TEXT("")
+BAREBOX_CMD_HELP_END
+
+BAREBOX_CMD_START(keytore_init)
+.cmd= do_keystore_init,
+ BAREBOX_CMD_DESC("Initialize Keystore")
+ BAREBOX_CMD_HELP(cmd_keystore_init_help)
+BAREBOX_CMD_END
diff --git a/include/ccryptlib.h b/include/ccryptlib.h
new file mode 100644
index 0000000..71ba4df
--- /dev/null
+++ b/include/ccryptlib.h
@@ -0,0 +1,98 @@
+/* Copyright (C) 2000-2009 Peter Selinger.
+ This file is part of ccrypt. It is free software and it is covered
+ by the GNU general public license. See the file COPYING for details. */
+
+/* ccryptlib.h: library for encrypting/decrypting a character stream */
+/* $Id: ccryptlib.h 258 2009-08-26 17:46:10Z selinger $ */
+
+#ifndef _CCRYPTLIB_H
+#define _CCRYPTLIB_H
+
+struct ccrypt_stream_s {
+ char *next_in; /* next input byte */
+ unsigned int avail_in; /* number of bytes available at next_in */
+
+ char *next_out; /* next output byte should be put there */
+ unsigned int avail_out; /* remaining free space at next_out */
+
+ void *state; /* internal state, not visible by applications */
+};
+typedef struct ccrypt_stream_s ccrypt_stream_t;
+
+/*
+ The application may update next_in and avail_in when avail_in has
+ dropped to zero. It must update next_out and avail_out when
+ avail_out has dropped to zero. All other fields are set by the
+ compression library and must not be updated by the application.
+*/
+
+int ccencrypt_init(ccrypt_stream_t *b, const char *key);
+int ccencrypt (ccrypt_stream_t *b);
+int ccencrypt_end (ccrypt_stream_t *b);
+
+int ccdecrypt_init(ccrypt_stream_t *b, const char *key, int flags);
+int ccdecrypt (ccrypt_stream_t *b);
+int ccdecrypt_end (ccrypt_stream_t *b);
+
+/* The interface for encryption and decryption is the same. The
+ application must first call the respective init function to
+ initialize the internal state. Then it calls the encrypt/decrypt
+ function repeatedly, as follows: next_in and next_out must point to
+ valid, non-overlapping regions of memory of size at least avail_in
+ and avail_out, respectively. Avail_out must be non-zero. Avail_in
+ may be zero to retrieve some pending output when no input is
+ available, for instance, in an interactive application or at the
+ end of stream. Otherwise, avail_in should be non-zero.
+
+ The encryption/decryption function will read and process as many
+ input bytes as possible as long as there is room in the output
+ buffer. It will update next_in, avail_in, next_out, and avail_out
+ accordingly. It will always flush as much output as possible.
+ However, it is possible that some input bytes produce no output,
+ because some part of the input may be used for internal purposes.
+ Conversely, it is possible that output is produced without reading
+ any input. When the encryption/decryption function returns, at
+ least one of avail_in or avail_out is 0. If avail_out is non-zero
+ after a call, the application may conclude that no more output is
+ pending.
+
+ Finally, the internal state must be freed by calling the respective
+ end function. This function will discard any unprocessed input
+ and/or output, so it should only be called after the application
+ has retrieved any pending output. Note: the call to the end
+ function should be checked for errors, because this is the only
+ place where certain format errors (like a file that is too short)
+ are detected.
+
+ All functions return 0 on success, or -1 on error with errno set,
+ or -2 on error with ccrypt_errno set. Callers must check for
+ errors. If an error occurs, the state is invalid and its resources
+ are freed. It may not be used again. It is then safe, but not
+ required, to call the corresponding *_end function.
+
+ The flags argument to ccdecrypt_init should be 0 by default, or
+ CCRYPT_MISMATCH if non-matching keys should be ignored. All other
+ values are undefined and reserved for future use.
+*/
+
+/* ccdecrypt_multi_init this is a variant of ccdecrypt_init that
+ allows a list of n>=1 keys to be defined. During decryption, the
+ first matching key is used. This is useful when batch decrypting a
+ set of files that have non-uniform keys. If flags includes
+ CCRYPT_MISMATCH, then the first key is always used regardless of
+ whether it matches or not. */
+int ccdecrypt_multi_init(ccrypt_stream_t *b, int n, const char **keylist, int flags);
+
+/* errors */
+
+#define CCRYPT_EFORMAT 1 /* bad file format */
+#define CCRYPT_EMISMATCH 2 /* key does not match */
+#define CCRYPT_EBUFFER 3 /* buffer overflow */
+
+/* flags */
+
+#define CCRYPT_MISMATCH 1 /* ignore non-matching key */
+
+extern int ccrypt_errno;
+
+#endif /* _CCRYPTLIB_H */
diff --git a/lib/Kconfig b/lib/Kconfig
index 9562b1b..c0694ca 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -82,6 +82,9 @@ config LIBUBIGEN
config STMP_DEVICE
bool
+config CCRYPTLIB
+ bool
+
config RATP
select CRC16
bool
diff --git a/lib/Makefile b/lib/Makefile
index 1be1742..d32e102 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -59,3 +59,4 @@ obj-y += reed_solomon/
obj-$(CONFIG_RATP) += ratp.o
obj-y += list_sort.o
obj-y += int_sqrt.o
+obj-$(CONFIG_CCRYPTLIB) += ccryptlib/
diff --git a/lib/ccryptlib/Makefile b/lib/ccryptlib/Makefile
new file mode 100644
index 0000000..b9f8b17
--- /dev/null
+++ b/lib/ccryptlib/Makefile
@@ -0,0 +1,4 @@
+obj-$(CONFIG_CCRYPTLIB) += ccryptlib.o
+obj-$(CONFIG_CCRYPTLIB) += rijndael.o
+obj-$(CONFIG_CCRYPTLIB) += tables.o
+
diff --git a/lib/ccryptlib/ccryptlib.c b/lib/ccryptlib/ccryptlib.c
new file mode 100644
index 0000000..053ac54
--- /dev/null
+++ b/lib/ccryptlib/ccryptlib.c
@@ -0,0 +1,417 @@
+/* Copyright (C) 2000-2009 Peter Selinger.
+ This file is part of ccrypt. It is free software and it is covered
+ by the GNU general public license. See the file COPYING for details. */
+
+/* ccryptlib.c: library for encrypting/decrypting a character stream */
+/* $Id: ccryptlib.c 258 2009-08-26 17:46:10Z selinger $ */
+
+/* NOTE: this library is copyrighted under the GNU General Public
+ License, *not* under the GNU Library General Public License. This
+ means, among other things, that you cannot use this library in
+ closed-source software. */
+
+/* ccryptlib implements a stream cipher based on the block cipher
+ Rijndael, the candidate for the AES standard. */
+
+#include <stdlib.h>
+#include <unistd.h>
+#ifndef __BAREBOX__
+#include <sys/time.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h> /* generated by configure */
+#endif
+
+#include <ccryptlib.h>
+#include "rijndael.h"
+#ifndef __BAREBOX__
+#include "platform.h"
+#else
+#include <common.h>
+#include <malloc.h>
+#endif
+
+#define MAGIC "c051" /* magic string for this version of ccrypt */
+
+/* private struct, not visible by applications */
+struct ccrypt_state_s {
+ int n; /* number of keys. n=1 for encryption, n>=1 for decryption */
+ roundkey *rkks; /* array of n keys */
+ int ak; /* rkks[ak] is the active key */
+ int iv; /* are we reading/writing the IV? */
+ int bufindex; /* in bytes */
+ word32 buf[8]; /* current buffer; partly ciphertext, partly mask */
+ int flags; /* flags determining behavior */
+};
+typedef struct ccrypt_state_s ccrypt_state_t;
+
+
+int ccrypt_errno;
+
+static void print_state(ccrypt_state_t *st) {
+#ifdef DEBUG
+ if (st) {
+ printf("State:\n");
+ memory_display(st,0,sizeof(st),1,0);
+ if (st->rkks) {
+ printf("Roundkey:\n");
+ memory_display(st->rkks,0,sizeof(roundkey),1,0);
+ }
+ }
+#endif
+}
+
+static void ccrypt_state_free(ccrypt_state_t *st) {
+ if (st) {
+ free(st->rkks);
+ }
+ free(st);
+}
+
+/* ---------------------------------------------------------------------- */
+/* some private functions dealing with hashes, keys, and nonces */
+
+/* hash a keystring into a 256-bit cryptographic random value. */
+static void hashstring(const char *keystring, word32 hash[8]) {
+ int i;
+ roundkey rkk;
+ word32 key[8]; /* rijndael key */
+
+ for (i=0; i<8; i++)
+ key[i] = hash[i] = 0;
+
+ do {
+ for (i=0; i<32; i++) {
+ if (*keystring != 0) {
+ ((word8 *)key)[i] ^= *keystring;
+ keystring++;
+ }
+ }
+ xrijndaelKeySched(key, 256, 256, &rkk);
+ xrijndaelEncrypt(hash, &rkk);
+ } while (*keystring != 0);
+}
+
+#ifndef __BAREBOX__
+/* return a 256-bit value that is practically unique */
+static void make_nonce(word32 nonce[8]) {
+ char acc[512], host[256];
+ struct timeval tv;
+ static int count=0;
+
+ gethostname(host, 256);
+ gettimeofday(&tv, NULL);
+ sprintf(acc, "%s,%ld,%ld,%ld,%d", host, (long)tv.tv_sec, (long)tv.tv_usec,
+ (long)getpid(), count++);
+ hashstring(acc, nonce);
+}
+#else
+/* return a 256-bit value that is practically unique */
+static void make_nonce(word32 nonce[8]) {
+ char acc[512];
+ static int count=0;
+
+ sprintf(acc, "%s,%d,%d,%d,%d,%d", "barebox", rand(),rand(),rand(),rand(),count++);
+ hashstring(acc, nonce);
+}
+#endif
+
+/* ---------------------------------------------------------------------- */
+/* core functions for encryption */
+
+int ccencrypt_init(ccrypt_stream_t *b, const char *key) {
+ word32 keyblock[8];
+ ccrypt_state_t *st;
+ roundkey *rkks;
+
+ b->state = NULL;
+
+ st = malloc(sizeof(ccrypt_state_t));
+ if (st == NULL) {
+ return -1;
+ }
+ rkks = malloc(sizeof(roundkey));
+ if (!rkks) {
+ free(st);
+ return -1;
+ }
+
+ st->n = 1;
+ st->rkks = rkks;
+ st->ak = 0; /* not used */
+
+ /* generate the roundkey */
+ hashstring(key, keyblock);
+ xrijndaelKeySched(keyblock, 256, 256, &st->rkks[0]);
+
+ /* make a nonce */
+ make_nonce(st->buf);
+
+ /* mark the nonce with a "magic number". */
+ strncpy((char *)st->buf, MAGIC, 4);
+
+ /* encrypt the nonce with the given key */
+ xrijndaelEncrypt(st->buf, &st->rkks[0]);
+
+ /* IV is now contained in st->buf. Initialize rest of the state. */
+ st->iv = 1;
+ st->bufindex = 0; /* initially use bufsize to count iv bytes output */
+
+ print_state(st);
+ b->state = (void *)st;
+ return 0;
+}
+
+EXPORT_SYMBOL(ccencrypt_init);
+
+int ccencrypt(ccrypt_stream_t *b) {
+ ccrypt_state_t *st = (ccrypt_state_t *)b->state;
+ word32 lbuf[8];
+ char *cbuf = (char *)st->buf;
+ int i;
+ char c, cc;
+
+ while (1) {
+ /* handle the typical case efficiently, one block at a time */
+
+ if (st->iv == 0 && st->bufindex == 32) {
+ while (b->avail_in >= 32 && b->avail_out >= 32) {
+
+ /* block-encrypt buffer */
+ xrijndaelEncrypt(st->buf, &st->rkks[0]);
+
+ /* read input to local buffer for word alignment */
+ memcpy(lbuf, b->next_in, 32);
+ b->next_in += 32;
+ b->avail_in -= 32;
+
+ /* compute ciphertext */
+ for (i=0; i<8; i++) {
+ st->buf[i] ^= lbuf[i];
+ }
+
+ /* write output */
+ memcpy(b->next_out, st->buf, 32);
+ b->next_out += 32;
+ b->avail_out -= 32;
+ }
+ }
+
+ /* handle the general case systematically, one byte at a time */
+
+ if (b->avail_out == 0) {
+ break;
+ }
+
+ else if (st->iv) { /* write IV byte */
+ *b->next_out = cbuf[st->bufindex];
+ b->next_out++;
+ b->avail_out--;
+ st->bufindex++;
+ if (st->bufindex == 32) {
+ st->iv = 0;
+ }
+ }
+
+ else if (b->avail_in == 0) {
+ break;
+ }
+
+ else { /* encrypt one byte */
+ if (st->bufindex == 32) {
+ xrijndaelEncrypt(st->buf, &st->rkks[0]);
+ st->bufindex = 0;
+ }
+ c = *b->next_in;
+ b->next_in++;
+ b->avail_in--;
+ cc = c ^ cbuf[st->bufindex];
+ cbuf[st->bufindex] = cc;
+ *b->next_out = cc;
+ b->next_out++;
+ b->avail_out--;
+ st->bufindex++;
+ }
+ }
+ print_state(st);
+ return 0;
+}
+
+EXPORT_SYMBOL(ccencrypt);
+
+int ccencrypt_end(ccrypt_stream_t *b) {
+ ccrypt_state_free(b->state);
+ b->state = NULL; /* guard against double free */
+ return 0;
+}
+
+EXPORT_SYMBOL(ccencrypt_end);
+
+/* ---------------------------------------------------------------------- */
+/* core functions for decryption */
+
+int ccdecrypt_multi_init(ccrypt_stream_t *b, int n, const char **keylist, int flags) {
+ word32 keyblock[8];
+ ccrypt_state_t *st;
+ roundkey *rkks;
+ int i;
+
+ b->state = NULL;
+
+ st = malloc(sizeof(ccrypt_state_t));
+ if (st == NULL) {
+ return -1;
+ }
+ rkks = malloc(n * sizeof(roundkey));
+ if (!rkks) {
+ free(st);
+ return -1;
+ }
+
+ st->n = n;
+ st->rkks = rkks;
+ st->ak = 0;
+
+ /* generate the roundkeys */
+ for (i=0; i<n; i++) {
+ hashstring(keylist[i], keyblock);
+ xrijndaelKeySched(keyblock, 256, 256, &st->rkks[i]);
+ }
+
+ /* Initialize rest of the state. */
+ st->iv = 1;
+ st->bufindex = 0;
+ st->flags = flags;
+
+ print_state(st);
+ b->state = (void *)st;
+ return 0;
+}
+
+int ccdecrypt_init(ccrypt_stream_t *b, const char *key, int flags) {
+ return ccdecrypt_multi_init(b, 1, &key, flags);
+}
+
+EXPORT_SYMBOL(ccdecrypt_init);
+
+int ccdecrypt(ccrypt_stream_t *b) {
+ ccrypt_state_t *st = (ccrypt_state_t *)b->state;
+ word32 lbuf[8];
+ char *cbuf = (char *)st->buf;
+ int i;
+ char c, cc;
+
+ while (1) {
+ /* handle the typical case efficiently, one block at a time */
+
+ if (st->iv == 0 && st->bufindex == 32) {
+ while (b->avail_in >= 32 && b->avail_out >= 32) {
+
+ /* block-encrypt buffer */
+ xrijndaelEncrypt(st->buf, &st->rkks[st->ak]);
+ memcpy(lbuf, st->buf, 32);
+
+ /* read input */
+ memcpy(st->buf, b->next_in, 32);
+ b->next_in += 32;
+ b->avail_in -= 32;
+
+ /* compute plaintext */
+ for (i=0; i<8; i++) {
+ lbuf[i] ^= st->buf[i];
+ }
+
+ /* write output */
+ memcpy(b->next_out, lbuf, 32);
+ b->next_out += 32;
+ b->avail_out -= 32;
+ }
+ }
+
+ /* handle the general case systematically, one byte at a time */
+
+ if (b->avail_in == 0) {
+ break;
+ }
+
+ else if (st->iv) { /* read IV byte */
+ cbuf[st->bufindex] = *b->next_in;
+ b->next_in++;
+ b->avail_in--;
+ st->bufindex++;
+ if (st->bufindex == 32) {
+ st->iv = 0;
+ /* find the first matching key */
+ for (i=0; i<st->n; i++) {
+ /* check the "magic number" */
+ memcpy(lbuf, st->buf, 32);
+ xrijndaelDecrypt(lbuf, &st->rkks[i]);
+ if ((st->flags & CCRYPT_MISMATCH) != 0 || strncmp((char *)lbuf, MAGIC, 4) == 0) {
+ /* key matches */
+ break;
+ }
+ }
+ if (i<st->n) { /* matching key found */
+ st->ak = i;
+ } else { /* not found */
+ /* on error, invalidate the state so that the client cannot
+ call here again. */
+ ccrypt_state_free(b->state);
+ b->state = NULL;
+ ccrypt_errno = CCRYPT_EMISMATCH;
+ return -2;
+ }
+ }
+ }
+
+ else if (b->avail_out == 0) {
+ break;
+ }
+
+ else { /* decrypt one byte */
+ if (st->bufindex == 32) {
+ xrijndaelEncrypt(st->buf, &st->rkks[st->ak]);
+ st->bufindex = 0;
+ }
+ cc = *b->next_in;
+ b->next_in++;
+ b->avail_in--;
+ c = cc ^ cbuf[st->bufindex];
+ cbuf[st->bufindex] = cc;
+ *b->next_out = c;
+ b->next_out++;
+ b->avail_out--;
+ st->bufindex++;
+ }
+ }
+
+ print_state(st);
+ return 0;
+}
+
+EXPORT_SYMBOL(ccdecrypt);
+
+int ccdecrypt_end(ccrypt_stream_t *b) {
+ ccrypt_state_t *st;
+
+ if (b->state) {
+
+ /* verify that we have read and verified the IV */
+ st = (ccrypt_state_t *)b->state;
+ if (st->iv) {
+ ccrypt_state_free(b->state);
+ b->state = NULL;
+ ccrypt_errno = CCRYPT_EFORMAT;
+ return -2;
+ }
+ }
+
+ ccrypt_state_free(b->state);
+ b->state = NULL;
+ return 0;
+}
+
+EXPORT_SYMBOL(ccdecrypt_end);
diff --git a/lib/ccryptlib/rijndael.c b/lib/ccryptlib/rijndael.c
new file mode 100644
index 0000000..edf6140
--- /dev/null
+++ b/lib/ccryptlib/rijndael.c
@@ -0,0 +1,347 @@
+/* Copyright (C) 2000-2009 Peter Selinger.
+ This file is part of ccrypt. It is free software and it is covered
+ by the GNU general public license. See the file COPYING for details. */
+
+/* rijndael.c - optimized version of the Rijndeal cipher */
+/* $Id: rijndael.c 258 2009-08-26 17:46:10Z selinger $ */
+
+/* derived from original source: rijndael-alg-ref.c v2.0 August '99
+ * Reference ANSI C code for NIST competition
+ * authors: Paulo Barreto
+ * Vincent Rijmen
+ */
+
+#include "rijndael.h"
+
+static int xshifts[3][2][4] = {
+ {{0, 1, 2, 3},
+ {0, 3, 2, 1}},
+
+ {{0, 1, 2, 3},
+ {0, 5, 4, 3}},
+
+ {{0, 1, 3, 4},
+ {0, 7, 5, 4}},
+};
+
+/* Exor corresponding text input and round key input bytes */
+/* the result is written to res, which can be the same as a */
+static inline void xKeyAddition(word32 res[MAXBC], word32 a[MAXBC],
+ word32 rk[MAXBC], int BC)
+{
+ int j;
+
+ for (j = 0; j < BC; j++) {
+ res[j] = a[j] ^ rk[j];
+ }
+}
+
+#if 0 /* code included for reference */
+
+/* shift rows a, return result in res. This avoids having to copy a
+ tmp array back to a. res must not be a. */
+static inline void xShiftRow(word32 res[MAXBC], word32 a[MAXBC], int shift[4],
+ int BC)
+{
+ word8 (*a8)[4] = (word8 (*)[4]) a;
+ word8 (*res8)[4] = (word8 (*)[4]) res;
+
+ /* Row 0 remains unchanged
+ * The other three rows are shifted a variable amount
+ */
+ int i, j;
+ int s;
+
+ for (j = 0; j < BC; j++) {
+ res8[j][0] = a8[j][0];
+ }
+ for (i = 1; i < 4; i++) {
+ s = shift[i];
+ for (j = 0; j < BC; j++) {
+ res8[j][i] = a8[(j + s) % BC][i];
+ }
+ }
+}
+
+static inline void xSubstitution(word32 a[MAXBC], word8 box[256], int BC)
+{
+ word8 (*a8)[4] = (word8 (*)[4]) a;
+
+ /* Replace every byte of the input by the byte at that place
+ * in the nonlinear S-box
+ */
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < BC; j++) {
+ a8[j][i] = box[a[j][i]];
+ }
+ }
+}
+
+#endif /* code included for reference */
+
+/* profiling shows that the ccrypt program spends about 50% of its
+ time in the function xShiftSubst. Splitting the inner "for"
+ statement into two parts - versus using the expensive "%" modulo
+ operation, makes this function about 44% faster, thereby making the
+ entire program about 28% faster. With -O3 optimization, the time
+ savings are even more dramatic - ccrypt runs between 55% and 65%
+ faster on most platforms. */
+
+/* do ShiftRow and Substitution together. res must not be a. */
+static inline void xShiftSubst(word32 res[MAXBC], word32 a[MAXBC],
+ int shift[4], int BC, word8 box[256])
+{
+ int i, j;
+ int s;
+ word8 (*a8)[4] = (word8 (*)[4]) a;
+ word8 (*res8)[4] = (word8 (*)[4]) res;
+
+ for (j = 0; j < BC; j++) {
+ res8[j][0] = box[a8[j][0]];
+ }
+ for (i = 1; i < 4; i++) {
+ s = shift[i];
+ for (j = 0; j < BC - s; j++) {
+ res8[j][i] = box[a8[(j + s)][i]];
+ }
+ for (j = BC - s; j < BC; j++) {
+ res8[j][i] = box[a8[(j + s) - BC][i]];
+ }
+ }
+}
+
+#if 0 /* code included for reference */
+
+/* Mix the four bytes of every column in a linear way */
+/* the result is written to res, which may equal a */
+static inline void xMixColumn(word32 res[MAXBC], word32 a[MAXBC], int BC)
+{
+ int j;
+ word32 b;
+ word8 (*a8)[4] = (word8 (*)[4]) a;
+
+ for (j = 0; j < BC; j++) {
+ b = M0[0][a8[j][0]].w32;
+ b ^= M0[1][a8[j][1]].w32;
+ b ^= M0[2][a8[j][2]].w32;
+ b ^= M0[3][a8[j][3]].w32;
+ res[j] = b;
+ }
+}
+
+#endif /* code included for reference */
+
+/* do MixColumn and KeyAddition together */
+static inline void xMixAdd(word32 res[MAXBC], word32 a[MAXBC],
+ word32 rk[MAXBC], int BC)
+{
+ int j;
+ word32 b;
+ word8 (*a8)[4] = (word8 (*)[4]) a;
+
+ for (j = 0; j < BC; j++) {
+ b = M0[0][a8[j][0]].w32;
+ b ^= M0[1][a8[j][1]].w32;
+ b ^= M0[2][a8[j][2]].w32;
+ b ^= M0[3][a8[j][3]].w32;
+ b ^= rk[j];
+ res[j] = b;
+ }
+}
+
+/* Mix the four bytes of every column in a linear way
+ * This is the opposite operation of xMixColumn */
+/* the result is written to res, which may equal a */
+static inline void xInvMixColumn(word32 res[MAXBC], word32 a[MAXBC], int BC)
+{
+ int j;
+ word32 b;
+ word8 (*a8)[4] = (word8 (*)[4]) a;
+
+ for (j = 0; j < BC; j++) {
+ b = M1[0][a8[j][0]].w32;
+ b ^= M1[1][a8[j][1]].w32;
+ b ^= M1[2][a8[j][2]].w32;
+ b ^= M1[3][a8[j][3]].w32;
+ res[j] = b;
+ }
+}
+
+#if 0 /* code included for reference */
+
+/* do KeyAddition and InvMixColumn together */
+static inline void xAddInvMix(word32 res[MAXBC], word32 a[MAXBC],
+ word32 rk[MAXBC], int BC)
+{
+ int j;
+ word32 b;
+ word8 (*a8)[4] = (word8 (*)[4]) a;
+
+ for (j = 0; j < BC; j++) {
+ a[j] = a[j] ^ rk[j];
+ b = M1[0][a8[j][0]].w32;
+ b ^= M1[1][a8[j][1]].w32;
+ b ^= M1[2][a8[j][2]].w32;
+ b ^= M1[3][a8[j][3]].w32;
+ res[j] = b;
+ }
+}
+
+#endif /* code included for reference */
+
+int xrijndaelKeySched(word32 key[], int keyBits, int blockBits,
+ roundkey *rkk)
+{
+ /* Calculate the necessary round keys
+ * The number of calculations depends on keyBits and blockBits */
+ int KC, BC, ROUNDS;
+ int i, j, t, rconpointer = 0;
+ word8 (*k8)[4] = (word8 (*)[4]) key;
+
+ switch (keyBits) {
+ case 128:
+ KC = 4;
+ break;
+ case 192:
+ KC = 6;
+ break;
+ case 256:
+ KC = 8;
+ break;
+ default:
+ return -1;
+ }
+
+ switch (blockBits) {
+ case 128:
+ BC = 4;
+ break;
+ case 192:
+ BC = 6;
+ break;
+ case 256:
+ BC = 8;
+ break;
+ default:
+ return -2;
+ }
+
+ ROUNDS = KC > BC ? KC + 6 : BC + 6;
+
+ t = 0;
+ /* copy values into round key array */
+ for (j = 0; (j < KC) && (t < (ROUNDS + 1) * BC); j++, t++)
+ rkk->rk[t] = key[j];
+
+ while (t < (ROUNDS + 1) * BC) { /* while not enough round key material */
+ /* calculate new values */
+ for (i = 0; i < 4; i++) {
+ k8[0][i] ^= xS[k8[KC - 1][(i + 1) % 4]];
+ }
+ k8[0][0] ^= xrcon[rconpointer++];
+
+ if (KC != 8) {
+ for (j = 1; j < KC; j++) {
+ key[j] ^= key[j - 1];
+ }
+ } else {
+ for (j = 1; j < 4; j++) {
+ key[j] ^= key[j - 1];
+ }
+ for (i = 0; i < 4; i++) {
+ k8[4][i] ^= xS[k8[3][i]];
+ }
+ for (j = 5; j < 8; j++) {
+ key[j] ^= key[j - 1];
+ }
+ }
+ /* copy values into round key array */
+ for (j = 0; (j < KC) && (t < (ROUNDS + 1) * BC); j++, t++) {
+ rkk->rk[t] = key[j];
+ }
+ }
+
+ /* make roundkey structure */
+ rkk->BC = BC;
+ rkk->KC = KC;
+ rkk->ROUNDS = ROUNDS;
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 4; j++) {
+ rkk->shift[i][j] = xshifts[(BC - 4) >> 1][i][j];
+ }
+ }
+
+ return 0;
+}
+
+/* Encryption of one block. */
+
+void xrijndaelEncrypt(word32 block[], roundkey *rkk)
+{
+ word32 block2[MAXBC]; /* hold intermediate result */
+ int r;
+
+ int *shift = rkk->shift[0];
+ int BC = rkk->BC;
+ int ROUNDS = rkk->ROUNDS;
+ word32 *rp = rkk->rk;
+
+ /* begin with a key addition */
+ xKeyAddition(block, block, rp, BC);
+ rp += BC;
+
+ /* ROUNDS-1 ordinary rounds */
+ for (r = 1; r < ROUNDS; r++) {
+ xShiftSubst(block2, block, shift, BC, xS);
+ xMixAdd(block, block2, rp, BC);
+ rp += BC;
+ }
+
+ /* Last round is special: there is no xMixColumn */
+ xShiftSubst(block2, block, shift, BC, xS);
+ xKeyAddition(block, block2, rp, BC);
+}
+
+void xrijndaelDecrypt(word32 block[], roundkey *rkk)
+{
+ word32 block2[MAXBC]; /* hold intermediate result */
+ int r;
+
+ int *shift = rkk->shift[1];
+ int BC = rkk->BC;
+ int ROUNDS = rkk->ROUNDS;
+ word32 *rp = rkk->rk + ROUNDS * BC;
+
+ /* To decrypt: apply the inverse operations of the encrypt routine,
+ * in opposite order
+ *
+ * (xKeyAddition is an involution: it's equal to its inverse)
+ * (the inverse of xSubstitution with table S is xSubstitution with the
+ * inverse table of S)
+ * (the inverse of xShiftRow is xShiftRow over a suitable distance)
+ */
+
+ /* First the special round:
+ * without xInvMixColumn
+ * with extra xKeyAddition
+ */
+ xKeyAddition(block2, block, rp, BC);
+ xShiftSubst(block, block2, shift, BC, xSi);
+ rp -= BC;
+
+ /* ROUNDS-1 ordinary rounds
+ */
+ for (r = ROUNDS - 1; r > 0; r--) {
+ xKeyAddition(block, block, rp, BC);
+ xInvMixColumn(block2, block, BC);
+ xShiftSubst(block, block2, shift, BC, xSi);
+ rp -= BC;
+ }
+
+ /* End with the extra key addition
+ */
+
+ xKeyAddition(block, block, rp, BC);
+}
diff --git a/lib/ccryptlib/rijndael.h b/lib/ccryptlib/rijndael.h
new file mode 100644
index 0000000..8bd1e71
--- /dev/null
+++ b/lib/ccryptlib/rijndael.h
@@ -0,0 +1,76 @@
+/* Copyright (C) 2000-2009 Peter Selinger.
+ This file is part of ccrypt. It is free software and it is covered
+ by the GNU general public license. See the file COPYING for details. */
+
+/* rijndael.h */
+/* $Id: rijndael.h 258 2009-08-26 17:46:10Z selinger $ */
+
+/* derived from original source: rijndael-alg-ref.h v2.0 August '99
+ * Reference ANSI C code for NIST competition
+ * authors: Paulo Barreto
+ * Vincent Rijmen
+ */
+
+#ifndef __RIJNDAEL_H
+#define __RIJNDAEL_H
+
+# ifndef __RIJNDAEL_WORD
+# define __RIJNDAEL_WORD
+
+#ifdef HAVE_CONFIG_H
+#include <config.h> /* generated by configure */
+#endif
+
+typedef unsigned char word8;
+
+#ifdef UINT32_TYPE
+typedef UINT32_TYPE word32;
+#else
+typedef int word32; /* should be a 32-bit integer type */
+#endif
+
+# endif /* __RIJNDAEL_WORD */
+
+/* a type to hold 32 bits accessible as 1 integer or 4 bytes */
+union word8x4_u {
+ word8 w8[4];
+ word32 w32;
+};
+typedef union word8x4_u word8x4;
+
+#include "tables.h"
+
+#define MAXBC (256/32)
+#define MAXKC (256/32)
+#define MAXROUNDS 14
+#define MAXRK ((MAXROUNDS+1)*MAXBC)
+
+typedef struct {
+ int BC;
+ int KC;
+ int ROUNDS;
+ int shift[2][4];
+ word32 rk[MAXRK];
+} roundkey;
+
+/* keys and blocks are externally treated as word32 arrays, to
+ make sure they are aligned on 4-byte boundaries on architectures
+ that require it. */
+
+/* make a roundkey rkk from key. key must have appropriate size given
+ by keyBits. keyBits and blockBits may only be 128, 196, or
+ 256. Returns non-zero if arguments are invalid. */
+
+int xrijndaelKeySched(word32 key[], int keyBits, int blockBits,
+ roundkey *rkk);
+
+/* encrypt, resp. decrypt, block using rijndael roundkey rkk. rkk must
+ have been created with xrijndaelKeySched. Size of block, in bits,
+ must be equal to blockBits parameter that was used to make rkk. In
+ all other cases, behavior is undefined - for reasons of speed, no
+ check for error conditions is done. */
+
+void xrijndaelEncrypt(word32 block[], roundkey *rkk);
+void xrijndaelDecrypt(word32 block[], roundkey *rkk);
+
+#endif /* __RIJNDAEL_H */
diff --git a/lib/ccryptlib/tables.c b/lib/ccryptlib/tables.c
new file mode 100644
index 0000000..237246f
--- /dev/null
+++ b/lib/ccryptlib/tables.c
@@ -0,0 +1,768 @@
+/* Copyright (C) 2000-2009 Peter Selinger.
+ This file is part of ccrypt. It is free software and it is covered
+ by the GNU general public license. See the file COPYING for details. */
+
+/* generated by maketables.c */
+
+#include "rijndael.h"
+
+word8x4 M0[4][256] = {
+ {
+ {{ 0, 0, 0, 0}}, {{ 2, 1, 1, 3}}, {{ 4, 2, 2, 6}},
+ {{ 6, 3, 3, 5}}, {{ 8, 4, 4, 12}}, {{ 10, 5, 5, 15}},
+ {{ 12, 6, 6, 10}}, {{ 14, 7, 7, 9}}, {{ 16, 8, 8, 24}},
+ {{ 18, 9, 9, 27}}, {{ 20, 10, 10, 30}}, {{ 22, 11, 11, 29}},
+ {{ 24, 12, 12, 20}}, {{ 26, 13, 13, 23}}, {{ 28, 14, 14, 18}},
+ {{ 30, 15, 15, 17}}, {{ 32, 16, 16, 48}}, {{ 34, 17, 17, 51}},
+ {{ 36, 18, 18, 54}}, {{ 38, 19, 19, 53}}, {{ 40, 20, 20, 60}},
+ {{ 42, 21, 21, 63}}, {{ 44, 22, 22, 58}}, {{ 46, 23, 23, 57}},
+ {{ 48, 24, 24, 40}}, {{ 50, 25, 25, 43}}, {{ 52, 26, 26, 46}},
+ {{ 54, 27, 27, 45}}, {{ 56, 28, 28, 36}}, {{ 58, 29, 29, 39}},
+ {{ 60, 30, 30, 34}}, {{ 62, 31, 31, 33}}, {{ 64, 32, 32, 96}},
+ {{ 66, 33, 33, 99}}, {{ 68, 34, 34, 102}}, {{ 70, 35, 35, 101}},
+ {{ 72, 36, 36, 108}}, {{ 74, 37, 37, 111}}, {{ 76, 38, 38, 106}},
+ {{ 78, 39, 39, 105}}, {{ 80, 40, 40, 120}}, {{ 82, 41, 41, 123}},
+ {{ 84, 42, 42, 126}}, {{ 86, 43, 43, 125}}, {{ 88, 44, 44, 116}},
+ {{ 90, 45, 45, 119}}, {{ 92, 46, 46, 114}}, {{ 94, 47, 47, 113}},
+ {{ 96, 48, 48, 80}}, {{ 98, 49, 49, 83}}, {{100, 50, 50, 86}},
+ {{102, 51, 51, 85}}, {{104, 52, 52, 92}}, {{106, 53, 53, 95}},
+ {{108, 54, 54, 90}}, {{110, 55, 55, 89}}, {{112, 56, 56, 72}},
+ {{114, 57, 57, 75}}, {{116, 58, 58, 78}}, {{118, 59, 59, 77}},
+ {{120, 60, 60, 68}}, {{122, 61, 61, 71}}, {{124, 62, 62, 66}},
+ {{126, 63, 63, 65}}, {{128, 64, 64, 192}}, {{130, 65, 65, 195}},
+ {{132, 66, 66, 198}}, {{134, 67, 67, 197}}, {{136, 68, 68, 204}},
+ {{138, 69, 69, 207}}, {{140, 70, 70, 202}}, {{142, 71, 71, 201}},
+ {{144, 72, 72, 216}}, {{146, 73, 73, 219}}, {{148, 74, 74, 222}},
+ {{150, 75, 75, 221}}, {{152, 76, 76, 212}}, {{154, 77, 77, 215}},
+ {{156, 78, 78, 210}}, {{158, 79, 79, 209}}, {{160, 80, 80, 240}},
+ {{162, 81, 81, 243}}, {{164, 82, 82, 246}}, {{166, 83, 83, 245}},
+ {{168, 84, 84, 252}}, {{170, 85, 85, 255}}, {{172, 86, 86, 250}},
+ {{174, 87, 87, 249}}, {{176, 88, 88, 232}}, {{178, 89, 89, 235}},
+ {{180, 90, 90, 238}}, {{182, 91, 91, 237}}, {{184, 92, 92, 228}},
+ {{186, 93, 93, 231}}, {{188, 94, 94, 226}}, {{190, 95, 95, 225}},
+ {{192, 96, 96, 160}}, {{194, 97, 97, 163}}, {{196, 98, 98, 166}},
+ {{198, 99, 99, 165}}, {{200, 100, 100, 172}}, {{202, 101, 101, 175}},
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+ {{227, 252, 252, 31}}, {{225, 253, 253, 28}}, {{231, 254, 254, 25}},
+ {{229, 255, 255, 26}},
+ },
+ {
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+ {{ 5, 6, 3, 3}}, {{ 12, 8, 4, 4}}, {{ 15, 10, 5, 5}},
+ {{ 10, 12, 6, 6}}, {{ 9, 14, 7, 7}}, {{ 24, 16, 8, 8}},
+ {{ 27, 18, 9, 9}}, {{ 30, 20, 10, 10}}, {{ 29, 22, 11, 11}},
+ {{ 20, 24, 12, 12}}, {{ 23, 26, 13, 13}}, {{ 18, 28, 14, 14}},
+ {{ 17, 30, 15, 15}}, {{ 48, 32, 16, 16}}, {{ 51, 34, 17, 17}},
+ {{ 54, 36, 18, 18}}, {{ 53, 38, 19, 19}}, {{ 60, 40, 20, 20}},
+ {{ 63, 42, 21, 21}}, {{ 58, 44, 22, 22}}, {{ 57, 46, 23, 23}},
+ {{ 40, 48, 24, 24}}, {{ 43, 50, 25, 25}}, {{ 46, 52, 26, 26}},
+ {{ 45, 54, 27, 27}}, {{ 36, 56, 28, 28}}, {{ 39, 58, 29, 29}},
+ {{ 34, 60, 30, 30}}, {{ 33, 62, 31, 31}}, {{ 96, 64, 32, 32}},
+ {{ 99, 66, 33, 33}}, {{102, 68, 34, 34}}, {{101, 70, 35, 35}},
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+ {{ 85, 102, 51, 51}}, {{ 92, 104, 52, 52}}, {{ 95, 106, 53, 53}},
+ {{ 90, 108, 54, 54}}, {{ 89, 110, 55, 55}}, {{ 72, 112, 56, 56}},
+ {{ 75, 114, 57, 57}}, {{ 78, 116, 58, 58}}, {{ 77, 118, 59, 59}},
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+ {{ 31, 227, 252, 252}}, {{ 28, 225, 253, 253}}, {{ 25, 231, 254, 254}},
+ {{ 26, 229, 255, 255}},
+ },
+ {
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+ {{ 3, 5, 6, 3}}, {{ 4, 12, 8, 4}}, {{ 5, 15, 10, 5}},
+ {{ 6, 10, 12, 6}}, {{ 7, 9, 14, 7}}, {{ 8, 24, 16, 8}},
+ {{ 9, 27, 18, 9}}, {{ 10, 30, 20, 10}}, {{ 11, 29, 22, 11}},
+ {{ 12, 20, 24, 12}}, {{ 13, 23, 26, 13}}, {{ 14, 18, 28, 14}},
+ {{ 15, 17, 30, 15}}, {{ 16, 48, 32, 16}}, {{ 17, 51, 34, 17}},
+ {{ 18, 54, 36, 18}}, {{ 19, 53, 38, 19}}, {{ 20, 60, 40, 20}},
+ {{ 21, 63, 42, 21}}, {{ 22, 58, 44, 22}}, {{ 23, 57, 46, 23}},
+ {{ 24, 40, 48, 24}}, {{ 25, 43, 50, 25}}, {{ 26, 46, 52, 26}},
+ {{ 27, 45, 54, 27}}, {{ 28, 36, 56, 28}}, {{ 29, 39, 58, 29}},
+ {{ 30, 34, 60, 30}}, {{ 31, 33, 62, 31}}, {{ 32, 96, 64, 32}},
+ {{ 33, 99, 66, 33}}, {{ 34, 102, 68, 34}}, {{ 35, 101, 70, 35}},
+ {{ 36, 108, 72, 36}}, {{ 37, 111, 74, 37}}, {{ 38, 106, 76, 38}},
+ {{ 39, 105, 78, 39}}, {{ 40, 120, 80, 40}}, {{ 41, 123, 82, 41}},
+ {{ 42, 126, 84, 42}}, {{ 43, 125, 86, 43}}, {{ 44, 116, 88, 44}},
+ {{ 45, 119, 90, 45}}, {{ 46, 114, 92, 46}}, {{ 47, 113, 94, 47}},
+ {{ 48, 80, 96, 48}}, {{ 49, 83, 98, 49}}, {{ 50, 86, 100, 50}},
+ {{ 51, 85, 102, 51}}, {{ 52, 92, 104, 52}}, {{ 53, 95, 106, 53}},
+ {{ 54, 90, 108, 54}}, {{ 55, 89, 110, 55}}, {{ 56, 72, 112, 56}},
+ {{ 57, 75, 114, 57}}, {{ 58, 78, 116, 58}}, {{ 59, 77, 118, 59}},
+ {{ 60, 68, 120, 60}}, {{ 61, 71, 122, 61}}, {{ 62, 66, 124, 62}},
+ {{ 63, 65, 126, 63}}, {{ 64, 192, 128, 64}}, {{ 65, 195, 130, 65}},
+ {{ 66, 198, 132, 66}}, {{ 67, 197, 134, 67}}, {{ 68, 204, 136, 68}},
+ {{ 69, 207, 138, 69}}, {{ 70, 202, 140, 70}}, {{ 71, 201, 142, 71}},
+ {{ 72, 216, 144, 72}}, {{ 73, 219, 146, 73}}, {{ 74, 222, 148, 74}},
+ {{ 75, 221, 150, 75}}, {{ 76, 212, 152, 76}}, {{ 77, 215, 154, 77}},
+ {{ 78, 210, 156, 78}}, {{ 79, 209, 158, 79}}, {{ 80, 240, 160, 80}},
+ {{ 81, 243, 162, 81}}, {{ 82, 246, 164, 82}}, {{ 83, 245, 166, 83}},
+ {{ 84, 252, 168, 84}}, {{ 85, 255, 170, 85}}, {{ 86, 250, 172, 86}},
+ {{ 87, 249, 174, 87}}, {{ 88, 232, 176, 88}}, {{ 89, 235, 178, 89}},
+ {{ 90, 238, 180, 90}}, {{ 91, 237, 182, 91}}, {{ 92, 228, 184, 92}},
+ {{ 93, 231, 186, 93}}, {{ 94, 226, 188, 94}}, {{ 95, 225, 190, 95}},
+ {{ 96, 160, 192, 96}}, {{ 97, 163, 194, 97}}, {{ 98, 166, 196, 98}},
+ {{ 99, 165, 198, 99}}, {{100, 172, 200, 100}}, {{101, 175, 202, 101}},
+ {{102, 170, 204, 102}}, {{103, 169, 206, 103}}, {{104, 184, 208, 104}},
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+ {{108, 180, 216, 108}}, {{109, 183, 218, 109}}, {{110, 178, 220, 110}},
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+ {{243, 14, 253, 243}}, {{244, 7, 243, 244}}, {{245, 4, 241, 245}},
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+ {{252, 31, 227, 252}}, {{253, 28, 225, 253}}, {{254, 25, 231, 254}},
+ {{255, 26, 229, 255}},
+ },
+ {
+ {{ 0, 0, 0, 0}}, {{ 1, 1, 3, 2}}, {{ 2, 2, 6, 4}},
+ {{ 3, 3, 5, 6}}, {{ 4, 4, 12, 8}}, {{ 5, 5, 15, 10}},
+ {{ 6, 6, 10, 12}}, {{ 7, 7, 9, 14}}, {{ 8, 8, 24, 16}},
+ {{ 9, 9, 27, 18}}, {{ 10, 10, 30, 20}}, {{ 11, 11, 29, 22}},
+ {{ 12, 12, 20, 24}}, {{ 13, 13, 23, 26}}, {{ 14, 14, 18, 28}},
+ {{ 15, 15, 17, 30}}, {{ 16, 16, 48, 32}}, {{ 17, 17, 51, 34}},
+ {{ 18, 18, 54, 36}}, {{ 19, 19, 53, 38}}, {{ 20, 20, 60, 40}},
+ {{ 21, 21, 63, 42}}, {{ 22, 22, 58, 44}}, {{ 23, 23, 57, 46}},
+ {{ 24, 24, 40, 48}}, {{ 25, 25, 43, 50}}, {{ 26, 26, 46, 52}},
+ {{ 27, 27, 45, 54}}, {{ 28, 28, 36, 56}}, {{ 29, 29, 39, 58}},
+ {{ 30, 30, 34, 60}}, {{ 31, 31, 33, 62}}, {{ 32, 32, 96, 64}},
+ {{ 33, 33, 99, 66}}, {{ 34, 34, 102, 68}}, {{ 35, 35, 101, 70}},
+ {{ 36, 36, 108, 72}}, {{ 37, 37, 111, 74}}, {{ 38, 38, 106, 76}},
+ {{ 39, 39, 105, 78}}, {{ 40, 40, 120, 80}}, {{ 41, 41, 123, 82}},
+ {{ 42, 42, 126, 84}}, {{ 43, 43, 125, 86}}, {{ 44, 44, 116, 88}},
+ {{ 45, 45, 119, 90}}, {{ 46, 46, 114, 92}}, {{ 47, 47, 113, 94}},
+ {{ 48, 48, 80, 96}}, {{ 49, 49, 83, 98}}, {{ 50, 50, 86, 100}},
+ {{ 51, 51, 85, 102}}, {{ 52, 52, 92, 104}}, {{ 53, 53, 95, 106}},
+ {{ 54, 54, 90, 108}}, {{ 55, 55, 89, 110}}, {{ 56, 56, 72, 112}},
+ {{ 57, 57, 75, 114}}, {{ 58, 58, 78, 116}}, {{ 59, 59, 77, 118}},
+ {{ 60, 60, 68, 120}}, {{ 61, 61, 71, 122}}, {{ 62, 62, 66, 124}},
+ {{ 63, 63, 65, 126}}, {{ 64, 64, 192, 128}}, {{ 65, 65, 195, 130}},
+ {{ 66, 66, 198, 132}}, {{ 67, 67, 197, 134}}, {{ 68, 68, 204, 136}},
+ {{ 69, 69, 207, 138}}, {{ 70, 70, 202, 140}}, {{ 71, 71, 201, 142}},
+ {{ 72, 72, 216, 144}}, {{ 73, 73, 219, 146}}, {{ 74, 74, 222, 148}},
+ {{ 75, 75, 221, 150}}, {{ 76, 76, 212, 152}}, {{ 77, 77, 215, 154}},
+ {{ 78, 78, 210, 156}}, {{ 79, 79, 209, 158}}, {{ 80, 80, 240, 160}},
+ {{ 81, 81, 243, 162}}, {{ 82, 82, 246, 164}}, {{ 83, 83, 245, 166}},
+ {{ 84, 84, 252, 168}}, {{ 85, 85, 255, 170}}, {{ 86, 86, 250, 172}},
+ {{ 87, 87, 249, 174}}, {{ 88, 88, 232, 176}}, {{ 89, 89, 235, 178}},
+ {{ 90, 90, 238, 180}}, {{ 91, 91, 237, 182}}, {{ 92, 92, 228, 184}},
+ {{ 93, 93, 231, 186}}, {{ 94, 94, 226, 188}}, {{ 95, 95, 225, 190}},
+ {{ 96, 96, 160, 192}}, {{ 97, 97, 163, 194}}, {{ 98, 98, 166, 196}},
+ {{ 99, 99, 165, 198}}, {{100, 100, 172, 200}}, {{101, 101, 175, 202}},
+ {{102, 102, 170, 204}}, {{103, 103, 169, 206}}, {{104, 104, 184, 208}},
+ {{105, 105, 187, 210}}, {{106, 106, 190, 212}}, {{107, 107, 189, 214}},
+ {{108, 108, 180, 216}}, {{109, 109, 183, 218}}, {{110, 110, 178, 220}},
+ {{111, 111, 177, 222}}, {{112, 112, 144, 224}}, {{113, 113, 147, 226}},
+ {{114, 114, 150, 228}}, {{115, 115, 149, 230}}, {{116, 116, 156, 232}},
+ {{117, 117, 159, 234}}, {{118, 118, 154, 236}}, {{119, 119, 153, 238}},
+ {{120, 120, 136, 240}}, {{121, 121, 139, 242}}, {{122, 122, 142, 244}},
+ {{123, 123, 141, 246}}, {{124, 124, 132, 248}}, {{125, 125, 135, 250}},
+ {{126, 126, 130, 252}}, {{127, 127, 129, 254}}, {{128, 128, 155, 27}},
+ {{129, 129, 152, 25}}, {{130, 130, 157, 31}}, {{131, 131, 158, 29}},
+ {{132, 132, 151, 19}}, {{133, 133, 148, 17}}, {{134, 134, 145, 23}},
+ {{135, 135, 146, 21}}, {{136, 136, 131, 11}}, {{137, 137, 128, 9}},
+ {{138, 138, 133, 15}}, {{139, 139, 134, 13}}, {{140, 140, 143, 3}},
+ {{141, 141, 140, 1}}, {{142, 142, 137, 7}}, {{143, 143, 138, 5}},
+ {{144, 144, 171, 59}}, {{145, 145, 168, 57}}, {{146, 146, 173, 63}},
+ {{147, 147, 174, 61}}, {{148, 148, 167, 51}}, {{149, 149, 164, 49}},
+ {{150, 150, 161, 55}}, {{151, 151, 162, 53}}, {{152, 152, 179, 43}},
+ {{153, 153, 176, 41}}, {{154, 154, 181, 47}}, {{155, 155, 182, 45}},
+ {{156, 156, 191, 35}}, {{157, 157, 188, 33}}, {{158, 158, 185, 39}},
+ {{159, 159, 186, 37}}, {{160, 160, 251, 91}}, {{161, 161, 248, 89}},
+ {{162, 162, 253, 95}}, {{163, 163, 254, 93}}, {{164, 164, 247, 83}},
+ {{165, 165, 244, 81}}, {{166, 166, 241, 87}}, {{167, 167, 242, 85}},
+ {{168, 168, 227, 75}}, {{169, 169, 224, 73}}, {{170, 170, 229, 79}},
+ {{171, 171, 230, 77}}, {{172, 172, 239, 67}}, {{173, 173, 236, 65}},
+ {{174, 174, 233, 71}}, {{175, 175, 234, 69}}, {{176, 176, 203, 123}},
+ {{177, 177, 200, 121}}, {{178, 178, 205, 127}}, {{179, 179, 206, 125}},
+ {{180, 180, 199, 115}}, {{181, 181, 196, 113}}, {{182, 182, 193, 119}},
+ {{183, 183, 194, 117}}, {{184, 184, 211, 107}}, {{185, 185, 208, 105}},
+ {{186, 186, 213, 111}}, {{187, 187, 214, 109}}, {{188, 188, 223, 99}},
+ {{189, 189, 220, 97}}, {{190, 190, 217, 103}}, {{191, 191, 218, 101}},
+ {{192, 192, 91, 155}}, {{193, 193, 88, 153}}, {{194, 194, 93, 159}},
+ {{195, 195, 94, 157}}, {{196, 196, 87, 147}}, {{197, 197, 84, 145}},
+ {{198, 198, 81, 151}}, {{199, 199, 82, 149}}, {{200, 200, 67, 139}},
+ {{201, 201, 64, 137}}, {{202, 202, 69, 143}}, {{203, 203, 70, 141}},
+ {{204, 204, 79, 131}}, {{205, 205, 76, 129}}, {{206, 206, 73, 135}},
+ {{207, 207, 74, 133}}, {{208, 208, 107, 187}}, {{209, 209, 104, 185}},
+ {{210, 210, 109, 191}}, {{211, 211, 110, 189}}, {{212, 212, 103, 179}},
+ {{213, 213, 100, 177}}, {{214, 214, 97, 183}}, {{215, 215, 98, 181}},
+ {{216, 216, 115, 171}}, {{217, 217, 112, 169}}, {{218, 218, 117, 175}},
+ {{219, 219, 118, 173}}, {{220, 220, 127, 163}}, {{221, 221, 124, 161}},
+ {{222, 222, 121, 167}}, {{223, 223, 122, 165}}, {{224, 224, 59, 219}},
+ {{225, 225, 56, 217}}, {{226, 226, 61, 223}}, {{227, 227, 62, 221}},
+ {{228, 228, 55, 211}}, {{229, 229, 52, 209}}, {{230, 230, 49, 215}},
+ {{231, 231, 50, 213}}, {{232, 232, 35, 203}}, {{233, 233, 32, 201}},
+ {{234, 234, 37, 207}}, {{235, 235, 38, 205}}, {{236, 236, 47, 195}},
+ {{237, 237, 44, 193}}, {{238, 238, 41, 199}}, {{239, 239, 42, 197}},
+ {{240, 240, 11, 251}}, {{241, 241, 8, 249}}, {{242, 242, 13, 255}},
+ {{243, 243, 14, 253}}, {{244, 244, 7, 243}}, {{245, 245, 4, 241}},
+ {{246, 246, 1, 247}}, {{247, 247, 2, 245}}, {{248, 248, 19, 235}},
+ {{249, 249, 16, 233}}, {{250, 250, 21, 239}}, {{251, 251, 22, 237}},
+ {{252, 252, 31, 227}}, {{253, 253, 28, 225}}, {{254, 254, 25, 231}},
+ {{255, 255, 26, 229}},
+ },
+};
+
+word8x4 M1[4][256] = {
+ {
+ {{ 0, 0, 0, 0}}, {{ 14, 9, 13, 11}}, {{ 28, 18, 26, 22}},
+ {{ 18, 27, 23, 29}}, {{ 56, 36, 52, 44}}, {{ 54, 45, 57, 39}},
+ {{ 36, 54, 46, 58}}, {{ 42, 63, 35, 49}}, {{112, 72, 104, 88}},
+ {{126, 65, 101, 83}}, {{108, 90, 114, 78}}, {{ 98, 83, 127, 69}},
+ {{ 72, 108, 92, 116}}, {{ 70, 101, 81, 127}}, {{ 84, 126, 70, 98}},
+ {{ 90, 119, 75, 105}}, {{224, 144, 208, 176}}, {{238, 153, 221, 187}},
+ {{252, 130, 202, 166}}, {{242, 139, 199, 173}}, {{216, 180, 228, 156}},
+ {{214, 189, 233, 151}}, {{196, 166, 254, 138}}, {{202, 175, 243, 129}},
+ {{144, 216, 184, 232}}, {{158, 209, 181, 227}}, {{140, 202, 162, 254}},
+ {{130, 195, 175, 245}}, {{168, 252, 140, 196}}, {{166, 245, 129, 207}},
+ {{180, 238, 150, 210}}, {{186, 231, 155, 217}}, {{219, 59, 187, 123}},
+ {{213, 50, 182, 112}}, {{199, 41, 161, 109}}, {{201, 32, 172, 102}},
+ {{227, 31, 143, 87}}, {{237, 22, 130, 92}}, {{255, 13, 149, 65}},
+ {{241, 4, 152, 74}}, {{171, 115, 211, 35}}, {{165, 122, 222, 40}},
+ {{183, 97, 201, 53}}, {{185, 104, 196, 62}}, {{147, 87, 231, 15}},
+ {{157, 94, 234, 4}}, {{143, 69, 253, 25}}, {{129, 76, 240, 18}},
+ {{ 59, 171, 107, 203}}, {{ 53, 162, 102, 192}}, {{ 39, 185, 113, 221}},
+ {{ 41, 176, 124, 214}}, {{ 3, 143, 95, 231}}, {{ 13, 134, 82, 236}},
+ {{ 31, 157, 69, 241}}, {{ 17, 148, 72, 250}}, {{ 75, 227, 3, 147}},
+ {{ 69, 234, 14, 152}}, {{ 87, 241, 25, 133}}, {{ 89, 248, 20, 142}},
+ {{115, 199, 55, 191}}, {{125, 206, 58, 180}}, {{111, 213, 45, 169}},
+ {{ 97, 220, 32, 162}}, {{173, 118, 109, 246}}, {{163, 127, 96, 253}},
+ {{177, 100, 119, 224}}, {{191, 109, 122, 235}}, {{149, 82, 89, 218}},
+ {{155, 91, 84, 209}}, {{137, 64, 67, 204}}, {{135, 73, 78, 199}},
+ {{221, 62, 5, 174}}, {{211, 55, 8, 165}}, {{193, 44, 31, 184}},
+ {{207, 37, 18, 179}}, {{229, 26, 49, 130}}, {{235, 19, 60, 137}},
+ {{249, 8, 43, 148}}, {{247, 1, 38, 159}}, {{ 77, 230, 189, 70}},
+ {{ 67, 239, 176, 77}}, {{ 81, 244, 167, 80}}, {{ 95, 253, 170, 91}},
+ {{117, 194, 137, 106}}, {{123, 203, 132, 97}}, {{105, 208, 147, 124}},
+ {{103, 217, 158, 119}}, {{ 61, 174, 213, 30}}, {{ 51, 167, 216, 21}},
+ {{ 33, 188, 207, 8}}, {{ 47, 181, 194, 3}}, {{ 5, 138, 225, 50}},
+ {{ 11, 131, 236, 57}}, {{ 25, 152, 251, 36}}, {{ 23, 145, 246, 47}},
+ {{118, 77, 214, 141}}, {{120, 68, 219, 134}}, {{106, 95, 204, 155}},
+ {{100, 86, 193, 144}}, {{ 78, 105, 226, 161}}, {{ 64, 96, 239, 170}},
+ {{ 82, 123, 248, 183}}, {{ 92, 114, 245, 188}}, {{ 6, 5, 190, 213}},
+ {{ 8, 12, 179, 222}}, {{ 26, 23, 164, 195}}, {{ 20, 30, 169, 200}},
+ {{ 62, 33, 138, 249}}, {{ 48, 40, 135, 242}}, {{ 34, 51, 144, 239}},
+ {{ 44, 58, 157, 228}}, {{150, 221, 6, 61}}, {{152, 212, 11, 54}},
+ {{138, 207, 28, 43}}, {{132, 198, 17, 32}}, {{174, 249, 50, 17}},
+ {{160, 240, 63, 26}}, {{178, 235, 40, 7}}, {{188, 226, 37, 12}},
+ {{230, 149, 110, 101}}, {{232, 156, 99, 110}}, {{250, 135, 116, 115}},
+ {{244, 142, 121, 120}}, {{222, 177, 90, 73}}, {{208, 184, 87, 66}},
+ {{194, 163, 64, 95}}, {{204, 170, 77, 84}}, {{ 65, 236, 218, 247}},
+ {{ 79, 229, 215, 252}}, {{ 93, 254, 192, 225}}, {{ 83, 247, 205, 234}},
+ {{121, 200, 238, 219}}, {{119, 193, 227, 208}}, {{101, 218, 244, 205}},
+ {{107, 211, 249, 198}}, {{ 49, 164, 178, 175}}, {{ 63, 173, 191, 164}},
+ {{ 45, 182, 168, 185}}, {{ 35, 191, 165, 178}}, {{ 9, 128, 134, 131}},
+ {{ 7, 137, 139, 136}}, {{ 21, 146, 156, 149}}, {{ 27, 155, 145, 158}},
+ {{161, 124, 10, 71}}, {{175, 117, 7, 76}}, {{189, 110, 16, 81}},
+ {{179, 103, 29, 90}}, {{153, 88, 62, 107}}, {{151, 81, 51, 96}},
+ {{133, 74, 36, 125}}, {{139, 67, 41, 118}}, {{209, 52, 98, 31}},
+ {{223, 61, 111, 20}}, {{205, 38, 120, 9}}, {{195, 47, 117, 2}},
+ {{233, 16, 86, 51}}, {{231, 25, 91, 56}}, {{245, 2, 76, 37}},
+ {{251, 11, 65, 46}}, {{154, 215, 97, 140}}, {{148, 222, 108, 135}},
+ {{134, 197, 123, 154}}, {{136, 204, 118, 145}}, {{162, 243, 85, 160}},
+ {{172, 250, 88, 171}}, {{190, 225, 79, 182}}, {{176, 232, 66, 189}},
+ {{234, 159, 9, 212}}, {{228, 150, 4, 223}}, {{246, 141, 19, 194}},
+ {{248, 132, 30, 201}}, {{210, 187, 61, 248}}, {{220, 178, 48, 243}},
+ {{206, 169, 39, 238}}, {{192, 160, 42, 229}}, {{122, 71, 177, 60}},
+ {{116, 78, 188, 55}}, {{102, 85, 171, 42}}, {{104, 92, 166, 33}},
+ {{ 66, 99, 133, 16}}, {{ 76, 106, 136, 27}}, {{ 94, 113, 159, 6}},
+ {{ 80, 120, 146, 13}}, {{ 10, 15, 217, 100}}, {{ 4, 6, 212, 111}},
+ {{ 22, 29, 195, 114}}, {{ 24, 20, 206, 121}}, {{ 50, 43, 237, 72}},
+ {{ 60, 34, 224, 67}}, {{ 46, 57, 247, 94}}, {{ 32, 48, 250, 85}},
+ {{236, 154, 183, 1}}, {{226, 147, 186, 10}}, {{240, 136, 173, 23}},
+ {{254, 129, 160, 28}}, {{212, 190, 131, 45}}, {{218, 183, 142, 38}},
+ {{200, 172, 153, 59}}, {{198, 165, 148, 48}}, {{156, 210, 223, 89}},
+ {{146, 219, 210, 82}}, {{128, 192, 197, 79}}, {{142, 201, 200, 68}},
+ {{164, 246, 235, 117}}, {{170, 255, 230, 126}}, {{184, 228, 241, 99}},
+ {{182, 237, 252, 104}}, {{ 12, 10, 103, 177}}, {{ 2, 3, 106, 186}},
+ {{ 16, 24, 125, 167}}, {{ 30, 17, 112, 172}}, {{ 52, 46, 83, 157}},
+ {{ 58, 39, 94, 150}}, {{ 40, 60, 73, 139}}, {{ 38, 53, 68, 128}},
+ {{124, 66, 15, 233}}, {{114, 75, 2, 226}}, {{ 96, 80, 21, 255}},
+ {{110, 89, 24, 244}}, {{ 68, 102, 59, 197}}, {{ 74, 111, 54, 206}},
+ {{ 88, 116, 33, 211}}, {{ 86, 125, 44, 216}}, {{ 55, 161, 12, 122}},
+ {{ 57, 168, 1, 113}}, {{ 43, 179, 22, 108}}, {{ 37, 186, 27, 103}},
+ {{ 15, 133, 56, 86}}, {{ 1, 140, 53, 93}}, {{ 19, 151, 34, 64}},
+ {{ 29, 158, 47, 75}}, {{ 71, 233, 100, 34}}, {{ 73, 224, 105, 41}},
+ {{ 91, 251, 126, 52}}, {{ 85, 242, 115, 63}}, {{127, 205, 80, 14}},
+ {{113, 196, 93, 5}}, {{ 99, 223, 74, 24}}, {{109, 214, 71, 19}},
+ {{215, 49, 220, 202}}, {{217, 56, 209, 193}}, {{203, 35, 198, 220}},
+ {{197, 42, 203, 215}}, {{239, 21, 232, 230}}, {{225, 28, 229, 237}},
+ {{243, 7, 242, 240}}, {{253, 14, 255, 251}}, {{167, 121, 180, 146}},
+ {{169, 112, 185, 153}}, {{187, 107, 174, 132}}, {{181, 98, 163, 143}},
+ {{159, 93, 128, 190}}, {{145, 84, 141, 181}}, {{131, 79, 154, 168}},
+ {{141, 70, 151, 163}},
+ },
+ {
+ {{ 0, 0, 0, 0}}, {{ 11, 14, 9, 13}}, {{ 22, 28, 18, 26}},
+ {{ 29, 18, 27, 23}}, {{ 44, 56, 36, 52}}, {{ 39, 54, 45, 57}},
+ {{ 58, 36, 54, 46}}, {{ 49, 42, 63, 35}}, {{ 88, 112, 72, 104}},
+ {{ 83, 126, 65, 101}}, {{ 78, 108, 90, 114}}, {{ 69, 98, 83, 127}},
+ {{116, 72, 108, 92}}, {{127, 70, 101, 81}}, {{ 98, 84, 126, 70}},
+ {{105, 90, 119, 75}}, {{176, 224, 144, 208}}, {{187, 238, 153, 221}},
+ {{166, 252, 130, 202}}, {{173, 242, 139, 199}}, {{156, 216, 180, 228}},
+ {{151, 214, 189, 233}}, {{138, 196, 166, 254}}, {{129, 202, 175, 243}},
+ {{232, 144, 216, 184}}, {{227, 158, 209, 181}}, {{254, 140, 202, 162}},
+ {{245, 130, 195, 175}}, {{196, 168, 252, 140}}, {{207, 166, 245, 129}},
+ {{210, 180, 238, 150}}, {{217, 186, 231, 155}}, {{123, 219, 59, 187}},
+ {{112, 213, 50, 182}}, {{109, 199, 41, 161}}, {{102, 201, 32, 172}},
+ {{ 87, 227, 31, 143}}, {{ 92, 237, 22, 130}}, {{ 65, 255, 13, 149}},
+ {{ 74, 241, 4, 152}}, {{ 35, 171, 115, 211}}, {{ 40, 165, 122, 222}},
+ {{ 53, 183, 97, 201}}, {{ 62, 185, 104, 196}}, {{ 15, 147, 87, 231}},
+ {{ 4, 157, 94, 234}}, {{ 25, 143, 69, 253}}, {{ 18, 129, 76, 240}},
+ {{203, 59, 171, 107}}, {{192, 53, 162, 102}}, {{221, 39, 185, 113}},
+ {{214, 41, 176, 124}}, {{231, 3, 143, 95}}, {{236, 13, 134, 82}},
+ {{241, 31, 157, 69}}, {{250, 17, 148, 72}}, {{147, 75, 227, 3}},
+ {{152, 69, 234, 14}}, {{133, 87, 241, 25}}, {{142, 89, 248, 20}},
+ {{191, 115, 199, 55}}, {{180, 125, 206, 58}}, {{169, 111, 213, 45}},
+ {{162, 97, 220, 32}}, {{246, 173, 118, 109}}, {{253, 163, 127, 96}},
+ {{224, 177, 100, 119}}, {{235, 191, 109, 122}}, {{218, 149, 82, 89}},
+ {{209, 155, 91, 84}}, {{204, 137, 64, 67}}, {{199, 135, 73, 78}},
+ {{174, 221, 62, 5}}, {{165, 211, 55, 8}}, {{184, 193, 44, 31}},
+ {{179, 207, 37, 18}}, {{130, 229, 26, 49}}, {{137, 235, 19, 60}},
+ {{148, 249, 8, 43}}, {{159, 247, 1, 38}}, {{ 70, 77, 230, 189}},
+ {{ 77, 67, 239, 176}}, {{ 80, 81, 244, 167}}, {{ 91, 95, 253, 170}},
+ {{106, 117, 194, 137}}, {{ 97, 123, 203, 132}}, {{124, 105, 208, 147}},
+ {{119, 103, 217, 158}}, {{ 30, 61, 174, 213}}, {{ 21, 51, 167, 216}},
+ {{ 8, 33, 188, 207}}, {{ 3, 47, 181, 194}}, {{ 50, 5, 138, 225}},
+ {{ 57, 11, 131, 236}}, {{ 36, 25, 152, 251}}, {{ 47, 23, 145, 246}},
+ {{141, 118, 77, 214}}, {{134, 120, 68, 219}}, {{155, 106, 95, 204}},
+ {{144, 100, 86, 193}}, {{161, 78, 105, 226}}, {{170, 64, 96, 239}},
+ {{183, 82, 123, 248}}, {{188, 92, 114, 245}}, {{213, 6, 5, 190}},
+ {{222, 8, 12, 179}}, {{195, 26, 23, 164}}, {{200, 20, 30, 169}},
+ {{249, 62, 33, 138}}, {{242, 48, 40, 135}}, {{239, 34, 51, 144}},
+ {{228, 44, 58, 157}}, {{ 61, 150, 221, 6}}, {{ 54, 152, 212, 11}},
+ {{ 43, 138, 207, 28}}, {{ 32, 132, 198, 17}}, {{ 17, 174, 249, 50}},
+ {{ 26, 160, 240, 63}}, {{ 7, 178, 235, 40}}, {{ 12, 188, 226, 37}},
+ {{101, 230, 149, 110}}, {{110, 232, 156, 99}}, {{115, 250, 135, 116}},
+ {{120, 244, 142, 121}}, {{ 73, 222, 177, 90}}, {{ 66, 208, 184, 87}},
+ {{ 95, 194, 163, 64}}, {{ 84, 204, 170, 77}}, {{247, 65, 236, 218}},
+ {{252, 79, 229, 215}}, {{225, 93, 254, 192}}, {{234, 83, 247, 205}},
+ {{219, 121, 200, 238}}, {{208, 119, 193, 227}}, {{205, 101, 218, 244}},
+ {{198, 107, 211, 249}}, {{175, 49, 164, 178}}, {{164, 63, 173, 191}},
+ {{185, 45, 182, 168}}, {{178, 35, 191, 165}}, {{131, 9, 128, 134}},
+ {{136, 7, 137, 139}}, {{149, 21, 146, 156}}, {{158, 27, 155, 145}},
+ {{ 71, 161, 124, 10}}, {{ 76, 175, 117, 7}}, {{ 81, 189, 110, 16}},
+ {{ 90, 179, 103, 29}}, {{107, 153, 88, 62}}, {{ 96, 151, 81, 51}},
+ {{125, 133, 74, 36}}, {{118, 139, 67, 41}}, {{ 31, 209, 52, 98}},
+ {{ 20, 223, 61, 111}}, {{ 9, 205, 38, 120}}, {{ 2, 195, 47, 117}},
+ {{ 51, 233, 16, 86}}, {{ 56, 231, 25, 91}}, {{ 37, 245, 2, 76}},
+ {{ 46, 251, 11, 65}}, {{140, 154, 215, 97}}, {{135, 148, 222, 108}},
+ {{154, 134, 197, 123}}, {{145, 136, 204, 118}}, {{160, 162, 243, 85}},
+ {{171, 172, 250, 88}}, {{182, 190, 225, 79}}, {{189, 176, 232, 66}},
+ {{212, 234, 159, 9}}, {{223, 228, 150, 4}}, {{194, 246, 141, 19}},
+ {{201, 248, 132, 30}}, {{248, 210, 187, 61}}, {{243, 220, 178, 48}},
+ {{238, 206, 169, 39}}, {{229, 192, 160, 42}}, {{ 60, 122, 71, 177}},
+ {{ 55, 116, 78, 188}}, {{ 42, 102, 85, 171}}, {{ 33, 104, 92, 166}},
+ {{ 16, 66, 99, 133}}, {{ 27, 76, 106, 136}}, {{ 6, 94, 113, 159}},
+ {{ 13, 80, 120, 146}}, {{100, 10, 15, 217}}, {{111, 4, 6, 212}},
+ {{114, 22, 29, 195}}, {{121, 24, 20, 206}}, {{ 72, 50, 43, 237}},
+ {{ 67, 60, 34, 224}}, {{ 94, 46, 57, 247}}, {{ 85, 32, 48, 250}},
+ {{ 1, 236, 154, 183}}, {{ 10, 226, 147, 186}}, {{ 23, 240, 136, 173}},
+ {{ 28, 254, 129, 160}}, {{ 45, 212, 190, 131}}, {{ 38, 218, 183, 142}},
+ {{ 59, 200, 172, 153}}, {{ 48, 198, 165, 148}}, {{ 89, 156, 210, 223}},
+ {{ 82, 146, 219, 210}}, {{ 79, 128, 192, 197}}, {{ 68, 142, 201, 200}},
+ {{117, 164, 246, 235}}, {{126, 170, 255, 230}}, {{ 99, 184, 228, 241}},
+ {{104, 182, 237, 252}}, {{177, 12, 10, 103}}, {{186, 2, 3, 106}},
+ {{167, 16, 24, 125}}, {{172, 30, 17, 112}}, {{157, 52, 46, 83}},
+ {{150, 58, 39, 94}}, {{139, 40, 60, 73}}, {{128, 38, 53, 68}},
+ {{233, 124, 66, 15}}, {{226, 114, 75, 2}}, {{255, 96, 80, 21}},
+ {{244, 110, 89, 24}}, {{197, 68, 102, 59}}, {{206, 74, 111, 54}},
+ {{211, 88, 116, 33}}, {{216, 86, 125, 44}}, {{122, 55, 161, 12}},
+ {{113, 57, 168, 1}}, {{108, 43, 179, 22}}, {{103, 37, 186, 27}},
+ {{ 86, 15, 133, 56}}, {{ 93, 1, 140, 53}}, {{ 64, 19, 151, 34}},
+ {{ 75, 29, 158, 47}}, {{ 34, 71, 233, 100}}, {{ 41, 73, 224, 105}},
+ {{ 52, 91, 251, 126}}, {{ 63, 85, 242, 115}}, {{ 14, 127, 205, 80}},
+ {{ 5, 113, 196, 93}}, {{ 24, 99, 223, 74}}, {{ 19, 109, 214, 71}},
+ {{202, 215, 49, 220}}, {{193, 217, 56, 209}}, {{220, 203, 35, 198}},
+ {{215, 197, 42, 203}}, {{230, 239, 21, 232}}, {{237, 225, 28, 229}},
+ {{240, 243, 7, 242}}, {{251, 253, 14, 255}}, {{146, 167, 121, 180}},
+ {{153, 169, 112, 185}}, {{132, 187, 107, 174}}, {{143, 181, 98, 163}},
+ {{190, 159, 93, 128}}, {{181, 145, 84, 141}}, {{168, 131, 79, 154}},
+ {{163, 141, 70, 151}},
+ },
+ {
+ {{ 0, 0, 0, 0}}, {{ 13, 11, 14, 9}}, {{ 26, 22, 28, 18}},
+ {{ 23, 29, 18, 27}}, {{ 52, 44, 56, 36}}, {{ 57, 39, 54, 45}},
+ {{ 46, 58, 36, 54}}, {{ 35, 49, 42, 63}}, {{104, 88, 112, 72}},
+ {{101, 83, 126, 65}}, {{114, 78, 108, 90}}, {{127, 69, 98, 83}},
+ {{ 92, 116, 72, 108}}, {{ 81, 127, 70, 101}}, {{ 70, 98, 84, 126}},
+ {{ 75, 105, 90, 119}}, {{208, 176, 224, 144}}, {{221, 187, 238, 153}},
+ {{202, 166, 252, 130}}, {{199, 173, 242, 139}}, {{228, 156, 216, 180}},
+ {{233, 151, 214, 189}}, {{254, 138, 196, 166}}, {{243, 129, 202, 175}},
+ {{184, 232, 144, 216}}, {{181, 227, 158, 209}}, {{162, 254, 140, 202}},
+ {{175, 245, 130, 195}}, {{140, 196, 168, 252}}, {{129, 207, 166, 245}},
+ {{150, 210, 180, 238}}, {{155, 217, 186, 231}}, {{187, 123, 219, 59}},
+ {{182, 112, 213, 50}}, {{161, 109, 199, 41}}, {{172, 102, 201, 32}},
+ {{143, 87, 227, 31}}, {{130, 92, 237, 22}}, {{149, 65, 255, 13}},
+ {{152, 74, 241, 4}}, {{211, 35, 171, 115}}, {{222, 40, 165, 122}},
+ {{201, 53, 183, 97}}, {{196, 62, 185, 104}}, {{231, 15, 147, 87}},
+ {{234, 4, 157, 94}}, {{253, 25, 143, 69}}, {{240, 18, 129, 76}},
+ {{107, 203, 59, 171}}, {{102, 192, 53, 162}}, {{113, 221, 39, 185}},
+ {{124, 214, 41, 176}}, {{ 95, 231, 3, 143}}, {{ 82, 236, 13, 134}},
+ {{ 69, 241, 31, 157}}, {{ 72, 250, 17, 148}}, {{ 3, 147, 75, 227}},
+ {{ 14, 152, 69, 234}}, {{ 25, 133, 87, 241}}, {{ 20, 142, 89, 248}},
+ {{ 55, 191, 115, 199}}, {{ 58, 180, 125, 206}}, {{ 45, 169, 111, 213}},
+ {{ 32, 162, 97, 220}}, {{109, 246, 173, 118}}, {{ 96, 253, 163, 127}},
+ {{119, 224, 177, 100}}, {{122, 235, 191, 109}}, {{ 89, 218, 149, 82}},
+ {{ 84, 209, 155, 91}}, {{ 67, 204, 137, 64}}, {{ 78, 199, 135, 73}},
+ {{ 5, 174, 221, 62}}, {{ 8, 165, 211, 55}}, {{ 31, 184, 193, 44}},
+ {{ 18, 179, 207, 37}}, {{ 49, 130, 229, 26}}, {{ 60, 137, 235, 19}},
+ {{ 43, 148, 249, 8}}, {{ 38, 159, 247, 1}}, {{189, 70, 77, 230}},
+ {{176, 77, 67, 239}}, {{167, 80, 81, 244}}, {{170, 91, 95, 253}},
+ {{137, 106, 117, 194}}, {{132, 97, 123, 203}}, {{147, 124, 105, 208}},
+ {{158, 119, 103, 217}}, {{213, 30, 61, 174}}, {{216, 21, 51, 167}},
+ {{207, 8, 33, 188}}, {{194, 3, 47, 181}}, {{225, 50, 5, 138}},
+ {{236, 57, 11, 131}}, {{251, 36, 25, 152}}, {{246, 47, 23, 145}},
+ {{214, 141, 118, 77}}, {{219, 134, 120, 68}}, {{204, 155, 106, 95}},
+ {{193, 144, 100, 86}}, {{226, 161, 78, 105}}, {{239, 170, 64, 96}},
+ {{248, 183, 82, 123}}, {{245, 188, 92, 114}}, {{190, 213, 6, 5}},
+ {{179, 222, 8, 12}}, {{164, 195, 26, 23}}, {{169, 200, 20, 30}},
+ {{138, 249, 62, 33}}, {{135, 242, 48, 40}}, {{144, 239, 34, 51}},
+ {{157, 228, 44, 58}}, {{ 6, 61, 150, 221}}, {{ 11, 54, 152, 212}},
+ {{ 28, 43, 138, 207}}, {{ 17, 32, 132, 198}}, {{ 50, 17, 174, 249}},
+ {{ 63, 26, 160, 240}}, {{ 40, 7, 178, 235}}, {{ 37, 12, 188, 226}},
+ {{110, 101, 230, 149}}, {{ 99, 110, 232, 156}}, {{116, 115, 250, 135}},
+ {{121, 120, 244, 142}}, {{ 90, 73, 222, 177}}, {{ 87, 66, 208, 184}},
+ {{ 64, 95, 194, 163}}, {{ 77, 84, 204, 170}}, {{218, 247, 65, 236}},
+ {{215, 252, 79, 229}}, {{192, 225, 93, 254}}, {{205, 234, 83, 247}},
+ {{238, 219, 121, 200}}, {{227, 208, 119, 193}}, {{244, 205, 101, 218}},
+ {{249, 198, 107, 211}}, {{178, 175, 49, 164}}, {{191, 164, 63, 173}},
+ {{168, 185, 45, 182}}, {{165, 178, 35, 191}}, {{134, 131, 9, 128}},
+ {{139, 136, 7, 137}}, {{156, 149, 21, 146}}, {{145, 158, 27, 155}},
+ {{ 10, 71, 161, 124}}, {{ 7, 76, 175, 117}}, {{ 16, 81, 189, 110}},
+ {{ 29, 90, 179, 103}}, {{ 62, 107, 153, 88}}, {{ 51, 96, 151, 81}},
+ {{ 36, 125, 133, 74}}, {{ 41, 118, 139, 67}}, {{ 98, 31, 209, 52}},
+ {{111, 20, 223, 61}}, {{120, 9, 205, 38}}, {{117, 2, 195, 47}},
+ {{ 86, 51, 233, 16}}, {{ 91, 56, 231, 25}}, {{ 76, 37, 245, 2}},
+ {{ 65, 46, 251, 11}}, {{ 97, 140, 154, 215}}, {{108, 135, 148, 222}},
+ {{123, 154, 134, 197}}, {{118, 145, 136, 204}}, {{ 85, 160, 162, 243}},
+ {{ 88, 171, 172, 250}}, {{ 79, 182, 190, 225}}, {{ 66, 189, 176, 232}},
+ {{ 9, 212, 234, 159}}, {{ 4, 223, 228, 150}}, {{ 19, 194, 246, 141}},
+ {{ 30, 201, 248, 132}}, {{ 61, 248, 210, 187}}, {{ 48, 243, 220, 178}},
+ {{ 39, 238, 206, 169}}, {{ 42, 229, 192, 160}}, {{177, 60, 122, 71}},
+ {{188, 55, 116, 78}}, {{171, 42, 102, 85}}, {{166, 33, 104, 92}},
+ {{133, 16, 66, 99}}, {{136, 27, 76, 106}}, {{159, 6, 94, 113}},
+ {{146, 13, 80, 120}}, {{217, 100, 10, 15}}, {{212, 111, 4, 6}},
+ {{195, 114, 22, 29}}, {{206, 121, 24, 20}}, {{237, 72, 50, 43}},
+ {{224, 67, 60, 34}}, {{247, 94, 46, 57}}, {{250, 85, 32, 48}},
+ {{183, 1, 236, 154}}, {{186, 10, 226, 147}}, {{173, 23, 240, 136}},
+ {{160, 28, 254, 129}}, {{131, 45, 212, 190}}, {{142, 38, 218, 183}},
+ {{153, 59, 200, 172}}, {{148, 48, 198, 165}}, {{223, 89, 156, 210}},
+ {{210, 82, 146, 219}}, {{197, 79, 128, 192}}, {{200, 68, 142, 201}},
+ {{235, 117, 164, 246}}, {{230, 126, 170, 255}}, {{241, 99, 184, 228}},
+ {{252, 104, 182, 237}}, {{103, 177, 12, 10}}, {{106, 186, 2, 3}},
+ {{125, 167, 16, 24}}, {{112, 172, 30, 17}}, {{ 83, 157, 52, 46}},
+ {{ 94, 150, 58, 39}}, {{ 73, 139, 40, 60}}, {{ 68, 128, 38, 53}},
+ {{ 15, 233, 124, 66}}, {{ 2, 226, 114, 75}}, {{ 21, 255, 96, 80}},
+ {{ 24, 244, 110, 89}}, {{ 59, 197, 68, 102}}, {{ 54, 206, 74, 111}},
+ {{ 33, 211, 88, 116}}, {{ 44, 216, 86, 125}}, {{ 12, 122, 55, 161}},
+ {{ 1, 113, 57, 168}}, {{ 22, 108, 43, 179}}, {{ 27, 103, 37, 186}},
+ {{ 56, 86, 15, 133}}, {{ 53, 93, 1, 140}}, {{ 34, 64, 19, 151}},
+ {{ 47, 75, 29, 158}}, {{100, 34, 71, 233}}, {{105, 41, 73, 224}},
+ {{126, 52, 91, 251}}, {{115, 63, 85, 242}}, {{ 80, 14, 127, 205}},
+ {{ 93, 5, 113, 196}}, {{ 74, 24, 99, 223}}, {{ 71, 19, 109, 214}},
+ {{220, 202, 215, 49}}, {{209, 193, 217, 56}}, {{198, 220, 203, 35}},
+ {{203, 215, 197, 42}}, {{232, 230, 239, 21}}, {{229, 237, 225, 28}},
+ {{242, 240, 243, 7}}, {{255, 251, 253, 14}}, {{180, 146, 167, 121}},
+ {{185, 153, 169, 112}}, {{174, 132, 187, 107}}, {{163, 143, 181, 98}},
+ {{128, 190, 159, 93}}, {{141, 181, 145, 84}}, {{154, 168, 131, 79}},
+ {{151, 163, 141, 70}},
+ },
+ {
+ {{ 0, 0, 0, 0}}, {{ 9, 13, 11, 14}}, {{ 18, 26, 22, 28}},
+ {{ 27, 23, 29, 18}}, {{ 36, 52, 44, 56}}, {{ 45, 57, 39, 54}},
+ {{ 54, 46, 58, 36}}, {{ 63, 35, 49, 42}}, {{ 72, 104, 88, 112}},
+ {{ 65, 101, 83, 126}}, {{ 90, 114, 78, 108}}, {{ 83, 127, 69, 98}},
+ {{108, 92, 116, 72}}, {{101, 81, 127, 70}}, {{126, 70, 98, 84}},
+ {{119, 75, 105, 90}}, {{144, 208, 176, 224}}, {{153, 221, 187, 238}},
+ {{130, 202, 166, 252}}, {{139, 199, 173, 242}}, {{180, 228, 156, 216}},
+ {{189, 233, 151, 214}}, {{166, 254, 138, 196}}, {{175, 243, 129, 202}},
+ {{216, 184, 232, 144}}, {{209, 181, 227, 158}}, {{202, 162, 254, 140}},
+ {{195, 175, 245, 130}}, {{252, 140, 196, 168}}, {{245, 129, 207, 166}},
+ {{238, 150, 210, 180}}, {{231, 155, 217, 186}}, {{ 59, 187, 123, 219}},
+ {{ 50, 182, 112, 213}}, {{ 41, 161, 109, 199}}, {{ 32, 172, 102, 201}},
+ {{ 31, 143, 87, 227}}, {{ 22, 130, 92, 237}}, {{ 13, 149, 65, 255}},
+ {{ 4, 152, 74, 241}}, {{115, 211, 35, 171}}, {{122, 222, 40, 165}},
+ {{ 97, 201, 53, 183}}, {{104, 196, 62, 185}}, {{ 87, 231, 15, 147}},
+ {{ 94, 234, 4, 157}}, {{ 69, 253, 25, 143}}, {{ 76, 240, 18, 129}},
+ {{171, 107, 203, 59}}, {{162, 102, 192, 53}}, {{185, 113, 221, 39}},
+ {{176, 124, 214, 41}}, {{143, 95, 231, 3}}, {{134, 82, 236, 13}},
+ {{157, 69, 241, 31}}, {{148, 72, 250, 17}}, {{227, 3, 147, 75}},
+ {{234, 14, 152, 69}}, {{241, 25, 133, 87}}, {{248, 20, 142, 89}},
+ {{199, 55, 191, 115}}, {{206, 58, 180, 125}}, {{213, 45, 169, 111}},
+ {{220, 32, 162, 97}}, {{118, 109, 246, 173}}, {{127, 96, 253, 163}},
+ {{100, 119, 224, 177}}, {{109, 122, 235, 191}}, {{ 82, 89, 218, 149}},
+ {{ 91, 84, 209, 155}}, {{ 64, 67, 204, 137}}, {{ 73, 78, 199, 135}},
+ {{ 62, 5, 174, 221}}, {{ 55, 8, 165, 211}}, {{ 44, 31, 184, 193}},
+ {{ 37, 18, 179, 207}}, {{ 26, 49, 130, 229}}, {{ 19, 60, 137, 235}},
+ {{ 8, 43, 148, 249}}, {{ 1, 38, 159, 247}}, {{230, 189, 70, 77}},
+ {{239, 176, 77, 67}}, {{244, 167, 80, 81}}, {{253, 170, 91, 95}},
+ {{194, 137, 106, 117}}, {{203, 132, 97, 123}}, {{208, 147, 124, 105}},
+ {{217, 158, 119, 103}}, {{174, 213, 30, 61}}, {{167, 216, 21, 51}},
+ {{188, 207, 8, 33}}, {{181, 194, 3, 47}}, {{138, 225, 50, 5}},
+ {{131, 236, 57, 11}}, {{152, 251, 36, 25}}, {{145, 246, 47, 23}},
+ {{ 77, 214, 141, 118}}, {{ 68, 219, 134, 120}}, {{ 95, 204, 155, 106}},
+ {{ 86, 193, 144, 100}}, {{105, 226, 161, 78}}, {{ 96, 239, 170, 64}},
+ {{123, 248, 183, 82}}, {{114, 245, 188, 92}}, {{ 5, 190, 213, 6}},
+ {{ 12, 179, 222, 8}}, {{ 23, 164, 195, 26}}, {{ 30, 169, 200, 20}},
+ {{ 33, 138, 249, 62}}, {{ 40, 135, 242, 48}}, {{ 51, 144, 239, 34}},
+ {{ 58, 157, 228, 44}}, {{221, 6, 61, 150}}, {{212, 11, 54, 152}},
+ {{207, 28, 43, 138}}, {{198, 17, 32, 132}}, {{249, 50, 17, 174}},
+ {{240, 63, 26, 160}}, {{235, 40, 7, 178}}, {{226, 37, 12, 188}},
+ {{149, 110, 101, 230}}, {{156, 99, 110, 232}}, {{135, 116, 115, 250}},
+ {{142, 121, 120, 244}}, {{177, 90, 73, 222}}, {{184, 87, 66, 208}},
+ {{163, 64, 95, 194}}, {{170, 77, 84, 204}}, {{236, 218, 247, 65}},
+ {{229, 215, 252, 79}}, {{254, 192, 225, 93}}, {{247, 205, 234, 83}},
+ {{200, 238, 219, 121}}, {{193, 227, 208, 119}}, {{218, 244, 205, 101}},
+ {{211, 249, 198, 107}}, {{164, 178, 175, 49}}, {{173, 191, 164, 63}},
+ {{182, 168, 185, 45}}, {{191, 165, 178, 35}}, {{128, 134, 131, 9}},
+ {{137, 139, 136, 7}}, {{146, 156, 149, 21}}, {{155, 145, 158, 27}},
+ {{124, 10, 71, 161}}, {{117, 7, 76, 175}}, {{110, 16, 81, 189}},
+ {{103, 29, 90, 179}}, {{ 88, 62, 107, 153}}, {{ 81, 51, 96, 151}},
+ {{ 74, 36, 125, 133}}, {{ 67, 41, 118, 139}}, {{ 52, 98, 31, 209}},
+ {{ 61, 111, 20, 223}}, {{ 38, 120, 9, 205}}, {{ 47, 117, 2, 195}},
+ {{ 16, 86, 51, 233}}, {{ 25, 91, 56, 231}}, {{ 2, 76, 37, 245}},
+ {{ 11, 65, 46, 251}}, {{215, 97, 140, 154}}, {{222, 108, 135, 148}},
+ {{197, 123, 154, 134}}, {{204, 118, 145, 136}}, {{243, 85, 160, 162}},
+ {{250, 88, 171, 172}}, {{225, 79, 182, 190}}, {{232, 66, 189, 176}},
+ {{159, 9, 212, 234}}, {{150, 4, 223, 228}}, {{141, 19, 194, 246}},
+ {{132, 30, 201, 248}}, {{187, 61, 248, 210}}, {{178, 48, 243, 220}},
+ {{169, 39, 238, 206}}, {{160, 42, 229, 192}}, {{ 71, 177, 60, 122}},
+ {{ 78, 188, 55, 116}}, {{ 85, 171, 42, 102}}, {{ 92, 166, 33, 104}},
+ {{ 99, 133, 16, 66}}, {{106, 136, 27, 76}}, {{113, 159, 6, 94}},
+ {{120, 146, 13, 80}}, {{ 15, 217, 100, 10}}, {{ 6, 212, 111, 4}},
+ {{ 29, 195, 114, 22}}, {{ 20, 206, 121, 24}}, {{ 43, 237, 72, 50}},
+ {{ 34, 224, 67, 60}}, {{ 57, 247, 94, 46}}, {{ 48, 250, 85, 32}},
+ {{154, 183, 1, 236}}, {{147, 186, 10, 226}}, {{136, 173, 23, 240}},
+ {{129, 160, 28, 254}}, {{190, 131, 45, 212}}, {{183, 142, 38, 218}},
+ {{172, 153, 59, 200}}, {{165, 148, 48, 198}}, {{210, 223, 89, 156}},
+ {{219, 210, 82, 146}}, {{192, 197, 79, 128}}, {{201, 200, 68, 142}},
+ {{246, 235, 117, 164}}, {{255, 230, 126, 170}}, {{228, 241, 99, 184}},
+ {{237, 252, 104, 182}}, {{ 10, 103, 177, 12}}, {{ 3, 106, 186, 2}},
+ {{ 24, 125, 167, 16}}, {{ 17, 112, 172, 30}}, {{ 46, 83, 157, 52}},
+ {{ 39, 94, 150, 58}}, {{ 60, 73, 139, 40}}, {{ 53, 68, 128, 38}},
+ {{ 66, 15, 233, 124}}, {{ 75, 2, 226, 114}}, {{ 80, 21, 255, 96}},
+ {{ 89, 24, 244, 110}}, {{102, 59, 197, 68}}, {{111, 54, 206, 74}},
+ {{116, 33, 211, 88}}, {{125, 44, 216, 86}}, {{161, 12, 122, 55}},
+ {{168, 1, 113, 57}}, {{179, 22, 108, 43}}, {{186, 27, 103, 37}},
+ {{133, 56, 86, 15}}, {{140, 53, 93, 1}}, {{151, 34, 64, 19}},
+ {{158, 47, 75, 29}}, {{233, 100, 34, 71}}, {{224, 105, 41, 73}},
+ {{251, 126, 52, 91}}, {{242, 115, 63, 85}}, {{205, 80, 14, 127}},
+ {{196, 93, 5, 113}}, {{223, 74, 24, 99}}, {{214, 71, 19, 109}},
+ {{ 49, 220, 202, 215}}, {{ 56, 209, 193, 217}}, {{ 35, 198, 220, 203}},
+ {{ 42, 203, 215, 197}}, {{ 21, 232, 230, 239}}, {{ 28, 229, 237, 225}},
+ {{ 7, 242, 240, 243}}, {{ 14, 255, 251, 253}}, {{121, 180, 146, 167}},
+ {{112, 185, 153, 169}}, {{107, 174, 132, 187}}, {{ 98, 163, 143, 181}},
+ {{ 93, 128, 190, 159}}, {{ 84, 141, 181, 145}}, {{ 79, 154, 168, 131}},
+ {{ 70, 151, 163, 141}},
+ },
+};
+
+int xrcon[30] = {
+ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36,
+ 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6,
+ 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91,
+};
+
+word8 xS[256] = {
+ 99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215,
+ 171, 118, 202, 130, 201, 125, 250, 89, 71, 240, 173, 212, 162, 175,
+ 156, 164, 114, 192, 183, 253, 147, 38, 54, 63, 247, 204, 52, 165,
+ 229, 241, 113, 216, 49, 21, 4, 199, 35, 195, 24, 150, 5, 154,
+ 7, 18, 128, 226, 235, 39, 178, 117, 9, 131, 44, 26, 27, 110,
+ 90, 160, 82, 59, 214, 179, 41, 227, 47, 132, 83, 209, 0, 237,
+ 32, 252, 177, 91, 106, 203, 190, 57, 74, 76, 88, 207, 208, 239,
+ 170, 251, 67, 77, 51, 133, 69, 249, 2, 127, 80, 60, 159, 168,
+ 81, 163, 64, 143, 146, 157, 56, 245, 188, 182, 218, 33, 16, 255,
+ 243, 210, 205, 12, 19, 236, 95, 151, 68, 23, 196, 167, 126, 61,
+ 100, 93, 25, 115, 96, 129, 79, 220, 34, 42, 144, 136, 70, 238,
+ 184, 20, 222, 94, 11, 219, 224, 50, 58, 10, 73, 6, 36, 92,
+ 194, 211, 172, 98, 145, 149, 228, 121, 231, 200, 55, 109, 141, 213,
+ 78, 169, 108, 86, 244, 234, 101, 122, 174, 8, 186, 120, 37, 46,
+ 28, 166, 180, 198, 232, 221, 116, 31, 75, 189, 139, 138, 112, 62,
+ 181, 102, 72, 3, 246, 14, 97, 53, 87, 185, 134, 193, 29, 158,
+ 225, 248, 152, 17, 105, 217, 142, 148, 155, 30, 135, 233, 206, 85,
+ 40, 223, 140, 161, 137, 13, 191, 230, 66, 104, 65, 153, 45, 15,
+ 176, 84, 187, 22,
+};
+
+word8 xSi[256] = {
+ 82, 9, 106, 213, 48, 54, 165, 56, 191, 64, 163, 158, 129, 243,
+ 215, 251, 124, 227, 57, 130, 155, 47, 255, 135, 52, 142, 67, 68,
+ 196, 222, 233, 203, 84, 123, 148, 50, 166, 194, 35, 61, 238, 76,
+ 149, 11, 66, 250, 195, 78, 8, 46, 161, 102, 40, 217, 36, 178,
+ 118, 91, 162, 73, 109, 139, 209, 37, 114, 248, 246, 100, 134, 104,
+ 152, 22, 212, 164, 92, 204, 93, 101, 182, 146, 108, 112, 72, 80,
+ 253, 237, 185, 218, 94, 21, 70, 87, 167, 141, 157, 132, 144, 216,
+ 171, 0, 140, 188, 211, 10, 247, 228, 88, 5, 184, 179, 69, 6,
+ 208, 44, 30, 143, 202, 63, 15, 2, 193, 175, 189, 3, 1, 19,
+ 138, 107, 58, 145, 17, 65, 79, 103, 220, 234, 151, 242, 207, 206,
+ 240, 180, 230, 115, 150, 172, 116, 34, 231, 173, 53, 133, 226, 249,
+ 55, 232, 28, 117, 223, 110, 71, 241, 26, 113, 29, 41, 197, 137,
+ 111, 183, 98, 14, 170, 24, 190, 27, 252, 86, 62, 75, 198, 210,
+ 121, 32, 154, 219, 192, 254, 120, 205, 90, 244, 31, 221, 168, 51,
+ 136, 7, 199, 49, 177, 18, 16, 89, 39, 128, 236, 95, 96, 81,
+ 127, 169, 25, 181, 74, 13, 45, 229, 122, 159, 147, 201, 156, 239,
+ 160, 224, 59, 77, 174, 42, 245, 176, 200, 235, 187, 60, 131, 83,
+ 153, 97, 23, 43, 4, 126, 186, 119, 214, 38, 225, 105, 20, 99,
+ 85, 33, 12, 125,
+};
+
diff --git a/lib/ccryptlib/tables.h b/lib/ccryptlib/tables.h
new file mode 100644
index 0000000..7ad4e4c
--- /dev/null
+++ b/lib/ccryptlib/tables.h
@@ -0,0 +1,10 @@
+/* Copyright (C) 2000-2009 Peter Selinger.
+ This file is part of ccrypt. It is free software and it is covered
+ by the GNU general public license. See the file COPYING for details. */
+
+extern word8x4 M0[4][256];
+extern word8x4 M1[4][256];
+extern int xrcon[30];
+extern word8 xS[256];
+extern word8 xSi[256];
+
--
1.9.1
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v1 2/2] command: ccrypt Crypt and Decrypt Files uses keystore for passwords compatible with https://sourceforge.net/projects/ccrypt/ keystore_init Simple Keystore initializer
2017-09-14 12:29 [PATCH v1 2/2] command: ccrypt Crypt and Decrypt Files uses keystore for passwords compatible with https://sourceforge.net/projects/ccrypt/ keystore_init Simple Keystore initializer gp
@ 2017-09-18 7:07 ` Sascha Hauer
0 siblings, 0 replies; 2+ messages in thread
From: Sascha Hauer @ 2017-09-18 7:07 UTC (permalink / raw)
To: gp; +Cc: barebox
Hi Gerd,
On Thu, Sep 14, 2017 at 02:29:41PM +0200, gp@high-consulting.de wrote:
> From: Gerd Pauli <gp@high-consulting.de>
>
> Signed-off-by: Gerd Pauli <gp@high-consulting.de>
> ---
> commands/Kconfig | 14 +
> commands/Makefile | 2 +
> commands/ccrypt.c | 247 +++++++++++++++
> commands/keystore_init.c | 79 +++++
> include/ccryptlib.h | 98 ++++++
> lib/Kconfig | 3 +
> lib/Makefile | 1 +
> lib/ccryptlib/Makefile | 4 +
> lib/ccryptlib/ccryptlib.c | 417 +++++++++++++++++++++++++
> lib/ccryptlib/rijndael.c | 347 +++++++++++++++++++++
> lib/ccryptlib/rijndael.h | 76 +++++
> lib/ccryptlib/tables.c | 768 ++++++++++++++++++++++++++++++++++++++++++++++
> lib/ccryptlib/tables.h | 10 +
> 13 files changed, 2066 insertions(+)
> create mode 100644 commands/ccrypt.c
> create mode 100644 commands/keystore_init.c
> create mode 100644 include/ccryptlib.h
> create mode 100644 lib/ccryptlib/Makefile
> create mode 100644 lib/ccryptlib/ccryptlib.c
> create mode 100644 lib/ccryptlib/rijndael.c
> create mode 100644 lib/ccryptlib/rijndael.h
> create mode 100644 lib/ccryptlib/tables.c
> create mode 100644 lib/ccryptlib/tables.h
>
> diff --git a/commands/Kconfig b/commands/Kconfig
> index 89b3103..2e296a3 100644
> --- a/commands/Kconfig
> +++ b/commands/Kconfig
> @@ -2137,6 +2137,20 @@ config CMD_SEED
> help
> Seed the pseudo random number generator (PRNG)
>
> +config CMD_CCRYPT
> + tristate
> + prompt "ccrypt"
> + select CCRYPTLIB
> + help
> + AES crypt and decrypt support
Please run the patch through sscripts/checkpatch.pl. The code doesn't
match the barebox coding style, contains trailing whitespaces and other
stuff.
> +
> +config CMD_KEYSTOREINIT
> + tristate
> + prompt "keystore_init"
> + select CRYPTO_KEYSTORE
> + help
> + Keystore initialisation
> +
> # end Miscellaneous commands
> endmenu
>
> diff --git a/commands/Makefile b/commands/Makefile
> index 16c1768..42bc1d8 100644
> --- a/commands/Makefile
> +++ b/commands/Makefile
> @@ -124,3 +124,5 @@ obj-$(CONFIG_CMD_SPD_DECODE) += spd_decode.o
> obj-$(CONFIG_CMD_MMC_EXTCSD) += mmc_extcsd.o
> obj-$(CONFIG_CMD_NAND_BITFLIP) += nand-bitflip.o
> obj-$(CONFIG_CMD_SEED) += seed.o
> +obj-$(CONFIG_CMD_CCRYPT) += ccrypt.o
> +obj-$(CONFIG_CMD_KEYSTOREINIT) += keystore_init.o
> diff --git a/commands/ccrypt.c b/commands/ccrypt.c
> new file mode 100644
> index 0000000..f299b9c
> --- /dev/null
> +++ b/commands/ccrypt.c
> @@ -0,0 +1,247 @@
> +/*
> + * ccrypt.c - Crypt and Decrypt Files using Password in Keystore
> + *
> + * Copyright (C) 2015 Alexander Smirnov <alllecs@yandex.ru>
> + * Copyright (c) 2017 Gerd Pauli <gp@high-consulting.de>, HighConsulting GmbH & Co. KG
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +
> +#include <common.h>
> +#include <command.h>
> +#include <libfile.h>
> +#include <getopt.h>
> +#include <fcntl.h>
> +#include <fs.h>
> +#include <ccryptlib.h>
> +#include <crypto/keystore.h>
> +
> +#define INBUFSIZE 1024
> +#define OUTBUFSIZE INBUFSIZE+32
> +
> +void ccrypt_error( int e ) {
Should be static
> + if ( e == -1 ) {
> + printf("ccrypt: %s\n",strerror(errno));
> + return;
> + }
> + if ( e == -2 ) {
> + switch (ccrypt_errno) {
> + case CCRYPT_EFORMAT:
> + printf("ccrypt: %s\n","bad file format");
> + break;
> + case CCRYPT_EMISMATCH:
> + printf("ccrypt: %s\n","key does not match");
> + break;
> + case CCRYPT_EBUFFER:
> + printf("ccrypt: %s\n","buffer overflow");
> + break;
> + default:
> + /* do nothing */
> + printf("ccrypt: %s\n","unknown error");
> + break;
> + }
> + return;
> + }
> + printf("ccrypt: %s\n","unknown error");
> +}
> +
> +void print_b (ccrypt_stream_t *b) {
> + /* ccrypt_state_t *s;
> + s = b->state;
> + printf("in: %p %d, out: %p %d\n",b->next_in,b->avail_in,b->next_out,b->avail_out); */
> +}
> +
> +static int do_ccrypt(int argc, char *argv[])
> +{
> + int opt;
> + int ret=-EINVAL;
> + int encrypt=0;
> + int decrypt=0;
> + char *extract = NULL;
> + char *from = NULL;
> + char *to = NULL;
> + char *r_buf = NULL;
> + char *w_buf = NULL;
> + int from_fd = 0;
> + int to_fd = 0;
> + int r,w;
> + void *buf;
> + ccrypt_stream_t ccs;
> + ccrypt_stream_t *b = &ccs;
> + int flags=0;
> + char *key;
> + int keylen;
> + int eof=0;
> +
> + while ((opt = getopt(argc, argv, "dek:")) > 0) {
> + switch(opt) {
> + case 'e':
> + encrypt=1;
> + break;
> + case 'd':
> + decrypt=1;
> + break;
> + case 'k':
> + extract = optarg;
> + break;
> + }
This lacks handling the default case.
> + }
> + if ( encrypt == 1 && decrypt == 1 )
> + return ret;
> + if ( extract == NULL )
> + return ret;
> +
> + if ( optind != 4 )
> + return ret;
Testing for a specific value here makes adding more options impossible.
Also note "-k foo" is equivalent to "-kfoo" but influences argc and
optind.
> +
> + if ( argc != 6 )
> + return ret;
> +
> + from = argv[optind];
> + to = argv[optind + 1];
> +
> + r_buf=xmalloc(INBUFSIZE);
> + w_buf=xmalloc(OUTBUFSIZE);
> +
> + ret=keystore_get_secret(extract, (const u8 **)&key, &keylen);
> + if ( ret )
> + goto out;
> +
> + /* printf("%d %d %s %s %s\n", argc,optind,from,to,key); */
> +
> + from_fd = open(from, O_RDONLY);
> + if (from_fd < 0) {
> + printf("could not open %s: %s\n", from, errno_str());
> + ret=errno;
> + goto out;
> + }
> +
> + to_fd = open(to, O_WRONLY | O_CREAT | O_TRUNC);
> + if (to_fd < 0) {
> + printf("could not open %s: %s\n", to, errno_str());
> + ret=errno;
> + goto out;
> + }
> +
> + /* flags |= CCRYPT_MISMATCH; */
> + ret=0;
> +
> + if ( encrypt == 1 )
> + ret = ccencrypt_init(b, key);
> +
> + if ( decrypt == 1 )
> + ret = ccdecrypt_init(b, key, flags);
> +
> + if ( ret != 0 ) {
> + ccrypt_error(ret);
> + ret=-EDOM;
> + goto out;
> + }
> +
> + b->avail_in = 0;
> +
> + while (1) {
> + /* fill input buffer */
> + if (b->avail_in == 0 && !eof) {
> + r = read(from_fd, r_buf, INBUFSIZE);
> + if (r < 0) {
> + perror("read");
> + goto out;
> + }
> + if (!r)
> + eof=1;
> + b->next_in = &r_buf[0];
> + b->avail_in = r;
> + }
> +
> + /*printf("red %d bytes\n",r);
> + memory_display(r_buf, 0, r, 1, 0); */
Such commented out debug leftovers shouldn't be in patches posted for
merging.
> +
> + /* prepare output buffer */
> + b->next_out = &w_buf[0];
> + b->avail_out = OUTBUFSIZE;
> +
> + /* print_b(b); */
> +
> + /* do some work */
This comment says nothing-
> + if ( encrypt == 1 ) {
> + ret = ccencrypt(b);
> + if (ret) {
> + ccrypt_error(ccrypt_errno);
> + ccencrypt_end(b);
> + ret=-EDOM;
> + goto out;
> + }
> + }
> + if ( decrypt == 1 ) {
> + ret = ccdecrypt(b);
> + if (ret) {
> + ccrypt_error(ccrypt_errno);
> + ccdecrypt_end(b);
> + ret=-EDOM;
> + goto out;
> + }
> + }
> +
> + /* print_b(b); */
> +
> + r = OUTBUFSIZE-b->avail_out;
> + buf = &w_buf[0];
> +
> +
> + /* memory_display(buf, 0, r, 1, 0);
> + printf("wana write %d bytes\n",r); */
> +
> + /* process output buffer */
> + while (r) {
> + w = write(to_fd, buf, r);
> + if (w < 0) {
> + perror("write");
> + goto out;
> + }
> + /* printf("wrote %d bytes from @%p\n",w,buf); */
> + buf += w;
> + r -= w;
> + }
> +
> + /* ready */
> + if (eof && b->avail_out != 0) {
> + break;
> + }
> + }
> + ret = 0;
> + out:
> + free(r_buf);
> + free(w_buf);
> + if (from_fd > 0)
> + close(from_fd);
> + if (to_fd > 0)
> + close(to_fd);
> +
> + return ret;
> +}
> +
> +BAREBOX_CMD_HELP_START(ccrypt)
> +BAREBOX_CMD_HELP_TEXT("AES Crypt and Decrypt")
> +BAREBOX_CMD_HELP_TEXT("")
> +BAREBOX_CMD_HELP_TEXT("Options:")
> +BAREBOX_CMD_HELP_OPT("-e", "encrypt")
> +BAREBOX_CMD_HELP_OPT("-d", "decrypt")
> +BAREBOX_CMD_HELP_OPT("-k name", "Name of key in keystore")
> +BAREBOX_CMD_HELP_END
> +
> +BAREBOX_CMD_START(ccrypt)
> +.cmd = do_ccrypt,
> + BAREBOX_CMD_DESC("Crypt and Decrypt Files")
> + BAREBOX_CMD_OPTS("[-e|-d] -k NAME SRC DST")
> + BAREBOX_CMD_HELP(cmd_ccrypt_help)
> +BAREBOX_CMD_END
> diff --git a/commands/keystore_init.c b/commands/keystore_init.c
> new file mode 100644
> index 0000000..beabbe7
> --- /dev/null
> +++ b/commands/keystore_init.c
This should be an extra patch
> @@ -0,0 +1,79 @@
> +/*
> + * keystore_init.c - Initialize the keystore with dummy key to test ccrypt
> + *
> + * Copyright (c) 2017 Gerd Pauli <gp@high-consulting.de>, HighConsulting GmbH & Co. KG
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2
> + * as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +
> +#define DEBUG
This shouldn't be in code to be merged.
> +
> +
> +#include <common.h>
> +#include <command.h>
> +#include <libfile.h>
> +#include <crypto/keystore.h>
> +#include <getopt.h>
> +
> +static int do_keystore_init(int argc, char *argv[])
> +{
> + int ret=-EINVAL;
> + char key[]="ksjdfhlucxlykjjhasdflkjh7765";
> + int get=0;
> + int set=1;
> +#ifdef DEBUG
> + int opt;
> +#endif
> + char *extract = NULL;
> + char *mykey;
> + int mykeylen;
> +
> +#ifdef DEBUG
> + while ((opt = getopt(argc, argv, "gk:")) > 0) {
> + switch (opt) {
> + case 'g':
> + get=1;
> + set=0;
> + break;
> + case 'k':
> + extract = optarg;
> + }
> + }
> +#endif
> + if ( set == 1 ) {
> + if ( extract == NULL ) {
> + ret=keystore_set_secret("ccrypt", key, strlen(key)+1);
> + } else {
> + ret=keystore_set_secret("ccrypt", extract, strlen(extract)+1);
> + }
> + }
> + if ( get == 1 ) {
> + ret=keystore_get_secret("ccrypt", (const u8 **)&mykey, &mykeylen);
> + if ( ret == 0 ) {
> + printf("Key for \"ccrypt\" is: %s len: %d\n",mykey,mykeylen);
> + }
> + }
> + return ret;
> +}
> +
> +BAREBOX_CMD_HELP_START(keystore_init)
> +BAREBOX_CMD_HELP_TEXT("Initialize Keystore")
> +BAREBOX_CMD_HELP_TEXT("")
> +BAREBOX_CMD_HELP_END
> +
> +BAREBOX_CMD_START(keytore_init)
> +.cmd= do_keystore_init,
> + BAREBOX_CMD_DESC("Initialize Keystore")
> + BAREBOX_CMD_HELP(cmd_keystore_init_help)
> +BAREBOX_CMD_END
> diff --git a/include/ccryptlib.h b/include/ccryptlib.h
> new file mode 100644
> index 0000000..71ba4df
> --- /dev/null
> +++ b/include/ccryptlib.h
The library code should be an extra patch aswell.
There will most likely be some more issues in this patch, but I think
this is enough for now. Please don't hesitate to repost, it's quite
normal that patches are not acceptable when they are posted the first
time.
Sascha
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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2017-09-14 12:29 [PATCH v1 2/2] command: ccrypt Crypt and Decrypt Files uses keystore for passwords compatible with https://sourceforge.net/projects/ccrypt/ keystore_init Simple Keystore initializer gp
2017-09-18 7:07 ` Sascha Hauer
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