From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 31.mail-out.ovh.net ([213.186.62.10]) by bombadil.infradead.org with smtp (Exim 4.72 #1 (Red Hat Linux)) id 1OthgE-0003o8-6v for barebox@lists.infradead.org; Thu, 09 Sep 2010 14:00:47 +0000 From: Jean-Christophe PLAGNIOL-VILLARD Date: Thu, 9 Sep 2010 15:59:47 +0200 Message-Id: <1284040793-32145-1-git-send-email-plagnioj@jcrosoft.com> In-Reply-To: <20100909135543.GF9112@game.jcrosoft.org> References: <20100909135543.GF9112@game.jcrosoft.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/7] add digest framework To: barebox@lists.infradead.org Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- common/Makefile | 1 + common/digest.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ include/digest.h | 49 ++++++++++++++++++++++++++++++++++ lib/Kconfig | 7 +++++ 4 files changed, 134 insertions(+), 0 deletions(-) create mode 100644 common/digest.c create mode 100644 include/digest.h diff --git a/common/Makefile b/common/Makefile index 4b8cce0..b087e3d 100644 --- a/common/Makefile +++ b/common/Makefile @@ -11,6 +11,7 @@ obj-y += clock.o obj-y += command.o obj-$(CONFIG_CONSOLE_FULL) += console.o obj-$(CONFIG_CONSOLE_SIMPLE) += console_simple.o +obj-$(CONFIG_DIGEST) += digest.o obj-y += env.o obj-y += startup.o obj-y += misc.o diff --git a/common/digest.c b/common/digest.c new file mode 100644 index 0000000..10ad060 --- /dev/null +++ b/common/digest.c @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2008-2010 Jean-Christophe PLAGNIOL-VILLARD + * + * 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 as + * published by the Free Software Foundation; version 2 of + * the License. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include + +static LIST_HEAD(digests); + +static int dummy_init(struct digest *d) +{ + return 0; +} + +int digest_register(struct digest *d) +{ + if (!d || !d->name || !d->update || !d->final || d->length < 1) + return -EINVAL; + + if (!d->init) + d->init = dummy_init; + + if (digest_get_by_name(d->name)) + return -EEXIST; + + list_add_tail(&d->list, &digests); + + return 0; +} +EXPORT_SYMBOL(digest_register); + +void digest_unregister(struct digest *d) +{ + if (!d) + return; + + list_del(&d->list); +} +EXPORT_SYMBOL(digest_unregister); + +struct digest* digest_get_by_name(char* name) +{ + struct digest* d; + + if (!name) + return NULL; + + list_for_each_entry(d, &digests, list) { + if(strcmp(d->name, name) == 0) + return d; + } + + return NULL; +} +EXPORT_SYMBOL_GPL(digest_get_by_name); diff --git a/include/digest.h b/include/digest.h new file mode 100644 index 0000000..1dcfd9d --- /dev/null +++ b/include/digest.h @@ -0,0 +1,49 @@ +/* + * (C) Copyright 2008-2010 Jean-Christophe PLAGNIOL-VILLARD + * + * 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 as + * published by the Free Software Foundation; version 2 of + * the License. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __DIGEST_H__ +#define __DIGEST_H__ + +#include + +struct digest +{ + char *name; + + int (*init)(struct digest *d); + int (*update)(struct digest *d, const void *data, unsigned long len); + int (*final)(struct digest *d, unsigned char *md); + + unsigned int length; + + struct list_head list; +}; + +/* + * digest functions + */ +int digest_register(struct digest *d); +void digest_unregister(struct digest *d); + +struct digest* digest_get_by_name(char* name); + +#endif /* __SH_ST_DEVICES_H__ */ diff --git a/lib/Kconfig b/lib/Kconfig index 28c92cd..a571ba8 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -10,6 +10,13 @@ config CRC32 config CRC16 bool +menuconfig DIGEST + bool "Digest" + +if DIGEST + +endif + config GENERIC_FIND_NEXT_BIT def_bool n -- 1.7.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox