| Message ID | 20240920161114.916381-1-joakim.tjernlund@infinera.com |
|---|---|
| State | New |
| Delegated to: | Tom Rini |
| Headers | show |
| Series | ICEXMSW-2822: Add mkimage secp521r1 ECDSA curve support | expand |
Hi Joakim, Please replace ICEXMSW-2822 with ecdsa-libcrypto in the Subject line. On Fri, Sep 20, 2024 at 1:11 PM Joakim Tjernlund <joakim.tjernlund@infinera.com> wrote: > > From: Mykyta Iziumtsev <miziumtsev@infinera.com> > > Adds support for secp521r1 ECDSA in mkimgage Mykyta and your Signed-off-by are missing. checkpatch should have warned you about it.
diff --git a/include/u-boot/ecdsa.h b/include/u-boot/ecdsa.h index 6e0269e3ae..ea37217d86 100644 --- a/include/u-boot/ecdsa.h +++ b/include/u-boot/ecdsa.h @@ -66,5 +66,6 @@ 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 d5939af2c5..6cbbdb6680 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 read_key(struct signer *ctx, const char *key_name) diff --git a/tools/image-sig-host.c b/tools/image-sig-host.c index d0133aec4c..21b4fa5d39 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[] = {
From: Mykyta Iziumtsev <miziumtsev@infinera.com> Adds support for secp521r1 ECDSA in mkimgage --- 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(-)