diff options
Diffstat (limited to 'firmware/2lib/2sha_utility.c')
| -rw-r--r-- | firmware/2lib/2sha_utility.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/firmware/2lib/2sha_utility.c b/firmware/2lib/2sha_utility.c index 6f76b4e7..b75f0e58 100644 --- a/firmware/2lib/2sha_utility.c +++ b/firmware/2lib/2sha_utility.c @@ -7,7 +7,6 @@ #include "2sysincludes.h" #include "2common.h" -#include "2rsa.h" #include "2sha.h" #if VB2_SUPPORT_SHA1 @@ -43,15 +42,6 @@ static const uint8_t crypto_to_hash[] = { CTH_SHA512, }; -/** - * Convert vb2_crypto_algorithm to vb2_hash_algorithm. - * - * @param algorithm Crypto algorithm (vb2_crypto_algorithm) - * - * @return The hash algorithm for that crypto algorithm, or VB2_HASH_INVALID if - * the crypto algorithm or its corresponding hash algorithm is invalid or not - * supported. - */ enum vb2_hash_algorithm vb2_crypto_to_hash(uint32_t algorithm) { if (algorithm < ARRAY_SIZE(crypto_to_hash)) @@ -159,3 +149,23 @@ int vb2_digest_finalize(struct vb2_digest_context *dc, return VB2_ERROR_SHA_FINALIZE_ALGORITHM; } } + +int vb2_digest_buffer(const uint8_t *buf, + uint32_t size, + enum vb2_hash_algorithm hash_alg, + uint8_t *digest, + uint32_t digest_size) +{ + struct vb2_digest_context dc; + int rv; + + rv = vb2_digest_init(&dc, hash_alg); + if (rv) + return rv; + + rv = vb2_digest_extend(&dc, buf, size); + if (rv) + return rv; + + return vb2_digest_finalize(&dc, digest, digest_size); +} |