diff options
Diffstat (limited to 'src/security/tpm/tss/tcg-2.0/tss.c')
| -rw-r--r-- | src/security/tpm/tss/tcg-2.0/tss.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/security/tpm/tss/tcg-2.0/tss.c b/src/security/tpm/tss/tcg-2.0/tss.c index 08a7caa1a9..16e40fe569 100644 --- a/src/security/tpm/tss/tcg-2.0/tss.c +++ b/src/security/tpm/tss/tcg-2.0/tss.c @@ -352,6 +352,38 @@ uint32_t tlcl_define_space(uint32_t space_index, size_t space_size, } } +uint16_t tlcl_get_hash_size_from_algo(TPMI_ALG_HASH hash_algo) +{ + uint16_t value; + + switch (hash_algo) { + case TPM_ALG_ERROR: + value = 1; + break; + case TPM_ALG_SHA1: + value = SHA1_DIGEST_SIZE; + break; + case TPM_ALG_SHA256: + value = SHA256_DIGEST_SIZE; + break; + case TPM_ALG_SHA384: + value = SHA384_DIGEST_SIZE; + break; + case TPM_ALG_SHA512: + value = SHA512_DIGEST_SIZE; + break; + case TPM_ALG_SM3_256: + value = SM3_256_DIGEST_SIZE; + break; + default: + printk(BIOS_SPEW, "%s: unknown hash algorithm %d\n", __func__, + hash_algo); + value = 0; + }; + + return value; +} + uint32_t tlcl_disable_platform_hierarchy(void) { struct tpm2_response *response; |