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-rw-r--r--src/security/tpm/tspi.h28
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);
/**