diff options
Diffstat (limited to 'src/security/tpm/tss/tcg-1.2/tss.c')
| -rw-r--r-- | src/security/tpm/tss/tcg-1.2/tss.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/security/tpm/tss/tcg-1.2/tss.c b/src/security/tpm/tss/tcg-1.2/tss.c index b11d6a3d16..4c980d0d79 100644 --- a/src/security/tpm/tss/tcg-1.2/tss.c +++ b/src/security/tpm/tss/tcg-1.2/tss.c @@ -341,7 +341,8 @@ uint32_t tlcl_set_global_lock(void) return tlcl_write(TPM_NV_INDEX0, (uint8_t *) &x, 0); } -uint32_t tlcl_extend(int pcr_num, const uint8_t *in_digest, +uint32_t tlcl_extend(int pcr_num, uint16_t algorithm, + const uint8_t *in_digest, size_t in_digest_len, uint8_t *out_digest) { struct s_tpm_extend_cmd cmd; @@ -350,8 +351,11 @@ uint32_t tlcl_extend(int pcr_num, const uint8_t *in_digest, memcpy(&cmd, &tpm_extend_cmd, sizeof(cmd)); to_tpm_uint32(cmd.buffer + tpm_extend_cmd.pcrNum, pcr_num); - memcpy(cmd.buffer + cmd.inDigest, in_digest, kPcrDigestLength); + if (in_digest_len != kPcrDigestLength) + return TPM_E_HASH_ERROR; + + memcpy(cmd.buffer + cmd.inDigest, in_digest, kPcrDigestLength); result = tlcl_send_receive(cmd.buffer, response, sizeof(response)); if (result != TPM_SUCCESS) return result; |