diff options
Diffstat (limited to 'src/vendorcode/eltan/security/lib/cb_sha.c')
| -rw-r--r-- | src/vendorcode/eltan/security/lib/cb_sha.c | 34 |
1 files changed, 8 insertions, 26 deletions
diff --git a/src/vendorcode/eltan/security/lib/cb_sha.c b/src/vendorcode/eltan/security/lib/cb_sha.c index 47cd10a47c..20a84afacc 100644 --- a/src/vendorcode/eltan/security/lib/cb_sha.c +++ b/src/vendorcode/eltan/security/lib/cb_sha.c @@ -15,42 +15,24 @@ #include <cb_sha.h> -int cb_sha_endian(enum vb2_hash_algorithm hash_alg, const uint8_t *data, uint32_t len, - uint8_t *digest, enum endian_algorithm endian) +vb2_error_t cb_sha_little_endian(enum vb2_hash_algorithm hash_alg, const uint8_t *data, + uint32_t len, uint8_t *digest) { int i; int rv; - uint32_t digest_size; - uint8_t *result_ptr; + uint32_t digest_size = vb2_digest_size(hash_alg); uint8_t result[VB2_MAX_DIGEST_SIZE]; - switch (hash_alg) { - case VB2_HASH_SHA1: - digest_size = VB2_SHA1_DIGEST_SIZE; - break; - case VB2_HASH_SHA256: - digest_size = VB2_SHA256_DIGEST_SIZE; - break; - case VB2_HASH_SHA512: - digest_size = VB2_SHA512_DIGEST_SIZE; - break; - default: + if (!digest_size) return VB2_ERROR_SHA_INIT_ALGORITHM; - } - result_ptr = result; - rv = vb2_digest_buffer(data, len, hash_alg, result_ptr, digest_size); - if (rv || (endian == NO_ENDIAN_ALGORITHM)) + rv = vb2_digest_buffer(data, len, hash_alg, (uint8_t *)&result, digest_size); + if (rv) return rv; for (i = 0; i < digest_size; ++i) { - if (endian == BIG_ENDIAN_ALGORITHM) { - /* use big endian */ - digest[i] = *result_ptr++; - } else { - /* use little endian */ - digest[digest_size - i - 1] = *result_ptr++; - } + /* use little endian */ + digest[digest_size - i - 1] = result[i]; } return rv; } |