Signed-off-by: Joakim Tjernlund joakim.tjernlund@infinera.com --- include/u-boot/ecdsa.h | 1 + lib/ecdsa/ecdsa-libcrypto.c | 2 +- tools/image-sig-host.c | 7 +++++++ 3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/include/u-boot/ecdsa.h b/include/u-boot/ecdsa.h index 53490c6b287..8f9f5e7d6e7 100644 --- a/include/u-boot/ecdsa.h +++ b/include/u-boot/ecdsa.h @@ -65,5 +65,6 @@ int ecdsa_verify(struct image_sign_info *info, /** @} */
#define ECDSA256_BYTES (256 / 8) +#define ECDSA521_BYTES ((521 + 7) / 8)
#endif diff --git a/lib/ecdsa/ecdsa-libcrypto.c b/lib/ecdsa/ecdsa-libcrypto.c index 5fa9be10b4b..403dfe0b97c 100644 --- a/lib/ecdsa/ecdsa-libcrypto.c +++ b/lib/ecdsa/ecdsa-libcrypto.c @@ -108,7 +108,7 @@ static size_t ecdsa_key_size_bytes(const EC_KEY *key) const EC_GROUP *group;
group = EC_KEY_get0_group(key); - return EC_GROUP_order_bits(group) / 8; + return (EC_GROUP_order_bits(group) + 7) / 8; }
static int default_password(char *buf, int size, int rwflag, void *u) diff --git a/tools/image-sig-host.c b/tools/image-sig-host.c index d0133aec4c8..21b4fa5d39d 100644 --- a/tools/image-sig-host.c +++ b/tools/image-sig-host.c @@ -76,6 +76,13 @@ struct crypto_algo crypto_algos[] = { .add_verify_data = ecdsa_add_verify_data, .verify = ecdsa_verify, }, + { + .name = "secp521r1", + .key_len = ECDSA521_BYTES, + .sign = ecdsa_sign, + .add_verify_data = ecdsa_add_verify_data, + .verify = ecdsa_verify, + }, };
struct padding_algo padding_algos[] = {