diff options
Diffstat (limited to 'board/cr50/tpm2/ecc.c')
| -rw-r--r-- | board/cr50/tpm2/ecc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/board/cr50/tpm2/ecc.c b/board/cr50/tpm2/ecc.c index 1bcf2d5c5a..5607aaff87 100644 --- a/board/cr50/tpm2/ecc.c +++ b/board/cr50/tpm2/ecc.c @@ -192,7 +192,7 @@ CRYPT_RESULT _cpri__GenerateKeyEcc( TPM2B *local_extra; uint32_t count = 0; uint8_t key_bytes[P256_NBYTES]; - LITE_HMAC_CTX hmac; + struct hmac_sha256_ctx hmac; if (curve_id != TPM_ECC_NIST_P256) return CRYPT_PARAMETER; @@ -208,9 +208,10 @@ CRYPT_RESULT _cpri__GenerateKeyEcc( /* Hash down the primary seed for ECC key generation, so that * the derivation tree is distinct from RSA key derivation. */ - DCRYPTO_HMAC_SHA256_init(&hmac, seed->buffer, seed->size); - HASH_update(&hmac.hash, "ECC", 4); - memcpy(local_seed.t.buffer, DCRYPTO_HMAC_final(&hmac), + HMAC_SHA256_hw_init(&hmac, seed->buffer, + seed->size); + HMAC_SHA256_update(&hmac, "ECC", 4); + memcpy(local_seed.t.buffer, HMAC_SHA256_final(&hmac), local_seed.t.size); always_memset(&hmac, 0, sizeof(hmac)); /* b/35576109: the personalize code uses only the first 4 bytes |