[PATCH] crypto: ecdsa: remove unused ecdsa public key list

[Jonas Rebmann <jre@pengutronix.de>]

This code is unused in barebox and is misleading as we're using
public_key lists containing keys of all supported types.

Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
---
 crypto/ecdsa.c         | 18 ------------------
 include/crypto/ecdsa.h |  7 -------
 2 files changed, 25 deletions(-)

diff --git a/crypto/ecdsa.c b/crypto/ecdsa.c
index 69c0accc95..6aaeff5c14 100644
--- a/crypto/ecdsa.c
+++ b/crypto/ecdsa.c
@@ -104,15 +104,6 @@ int ecdsa_verify(const struct ecdsa_public_key *key, const uint8_t *sig,
 	return _ecdsa_verify(ctx, (void *)mhash, rh, sh);
 }
 
-static LIST_HEAD(ecdsa_keys);
-
-int ecdsa_key_add(struct ecdsa_public_key *key)
-{
-	list_add_tail(&key->list, &ecdsa_keys);
-
-	return 0;
-}
-
 struct ecdsa_public_key *ecdsa_key_dup(const struct ecdsa_public_key *key)
 {
 	struct ecdsa_public_key *new;
@@ -129,12 +120,3 @@ struct ecdsa_public_key *ecdsa_key_dup(const struct ecdsa_public_key *key)
 
 	return new;
 }
-
-const struct ecdsa_public_key *ecdsa_key_next(const struct ecdsa_public_key *prev)
-{
-	prev = list_prepare_entry(prev, &ecdsa_keys, list);
-	list_for_each_entry_continue(prev, &ecdsa_keys, list)
-		return prev;
-
-	return NULL;
-}
diff --git a/include/crypto/ecdsa.h b/include/crypto/ecdsa.h
index 2e2b359d96..1bad70b9d2 100644
--- a/include/crypto/ecdsa.h
+++ b/include/crypto/ecdsa.h
@@ -4,21 +4,14 @@
 
 #include <linux/types.h>
 #include <linux/list.h>
-#include <errno.h>
 
 struct ecdsa_public_key {
 	const char *curve_name;	/* Name of curve, e.g. "prime256v1" */
 	const uint64_t *x;	/* x coordinate of public key */
 	const uint64_t *y;	/* y coordinate of public key */
 	unsigned int size_bits;	/* key size in bits, derived from curve name */
-	struct list_head list;
 };
 
-const struct ecdsa_public_key *ecdsa_key_next(const struct ecdsa_public_key *prev);
-
-#define for_each_ecdsa_key(key) \
-	for (key = ecdsa_key_next(NULL); key; key = ecdsa_key_next(key))
-
 #ifdef CONFIG_CRYPTO_ECDSA
 int ecdsa_verify(const struct ecdsa_public_key *key, const uint8_t *sig,
 		 const uint32_t sig_len, const uint8_t *hash);

---
base-commit: 8785a6ad7467b6f1f70b6e12aa2ceb2fdd5d8546
change-id: 20251014-ecdsa_keys-fd8125a83e38

Best regards,
--  
Jonas Rebmann <jre@pengutronix.de>