diff options
Diffstat (limited to 'src/security/tpm/tspi.h')
-rw-r--r-- | src/security/tpm/tspi.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/security/tpm/tspi.h b/src/security/tpm/tspi.h index d69b97695d..55f883c481 100644 --- a/src/security/tpm/tspi.h +++ b/src/security/tpm/tspi.h @@ -21,26 +21,46 @@ #include <security/tpm/tss.h> #include <commonlib/tcpa_log_serialized.h> #include <commonlib/region.h> +#include <vb2_api.h> -#define TPM_PCR_MAX_LEN 64 -#define HASH_DATA_CHUNK_SIZE 1024 +#define TPM_PCR_MAX_LEN 64 +#define HASH_DATA_CHUNK_SIZE 1024 + +/** + * Clears the pre-RAM tcpa log data and initializes + * any content with default values + */ +void tcpa_preram_log_clear(void); /** * Add table entry for cbmem TCPA log. + * @param name Name of the hashed data + * @param pcr PCR used to extend hashed data + * @param diget_algo sets the digest algorithm + * @param digest sets the hash extended into the tpm + * @param digest_len the length of the digest */ void tcpa_log_add_table_entry(const char *name, const uint32_t pcr, + enum vb2_hash_algorithm digest_algo, const uint8_t *digest, - const size_t digest_length); + const size_t digest_len); + +/** + * Dump TCPA log entries on console + */ +void tcpa_log_dump(void *unused); /** * Ask vboot for a digest and extend a TPM PCR with it. * @param pcr sets the pcr index + * @param diget_algo sets the digest algorithm * @param digest sets the hash to extend into the tpm * @param digest_len the length of the digest * @param name sets additional info where the digest comes from * @return TPM_SUCCESS on success. If not a tpm error is returned */ -uint32_t tpm_extend_pcr(int pcr, uint8_t *digest, size_t digest_len, +uint32_t tpm_extend_pcr(int pcr, enum vb2_hash_algorithm digest_algo, + uint8_t *digest, size_t digest_len, const char *name); /** |