From fdb9805d6884090fd7bf62dbdf9c858692e55fb4 Mon Sep 17 00:00:00 2001 From: Frans Hendriks Date: Wed, 4 Sep 2019 10:57:30 +0200 Subject: security/tpm/tss/tcg-2.0: Add multi digits support to tlcl_extend() To support multi digists the tlcl_extend() for TPM2 expects TPML_DIGEST_VALUE pointer as input argument. BUG=N/A TEST=Build binary and verified logging on Facebook FBG-1701 Change-Id: I8d86c41c23e4e93a84e0527d7cddcfd30d5d8394 Signed-off-by: Frans Hendriks Reviewed-on: https://review.coreboot.org/c/coreboot/+/33252 Tested-by: build bot (Jenkins) Reviewed-by: Lance Zhao --- src/security/tpm/tss/tcg-2.0/tss_structures.h | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) (limited to 'src/security/tpm/tss/tcg-2.0/tss_structures.h') diff --git a/src/security/tpm/tss/tcg-2.0/tss_structures.h b/src/security/tpm/tss/tcg-2.0/tss_structures.h index 6a017bbb9d..1530613226 100644 --- a/src/security/tpm/tss/tcg-2.0/tss_structures.h +++ b/src/security/tpm/tss/tcg-2.0/tss_structures.h @@ -97,6 +97,12 @@ struct tpm_header { space is defined by the lower 16 bits. */ #define TPM_CC_VENDOR_BIT_MASK 0x20000000 +/* Table 15 - TPM_RC Constants (Actions) */ +#define RC_FMT1 (TPM_RC)(0x080) +#define TPM_RC_HASH (TPM_RC)(RC_FMT1 + 0x003) +#define TPM_RC_P (TPM_RC)(0x040) +#define TPM_RC_N_MASK (TPM_RC)(0xF00) + /* Startup values. */ #define TPM_SU_CLEAR 0 #define TPM_SU_STATE 1 @@ -311,12 +317,13 @@ typedef union { TPM2B b; } TPM2B_MAX_NV_BUFFER; -/* - * This is a union, but as of now we support just one digest - sha256, so - * there is just one element. - */ +/* Table 66 - TPMU_HA Union */ typedef union { - uint8_t sha256[SHA256_DIGEST_SIZE]; + uint8_t sha1[SHA1_DIGEST_SIZE]; + uint8_t sha256[SHA256_DIGEST_SIZE]; + uint8_t sm3_256[SM3_256_DIGEST_SIZE]; + uint8_t sha384[SHA384_DIGEST_SIZE]; + uint8_t sha512[SHA512_DIGEST_SIZE]; } TPMU_HA; typedef struct { @@ -324,9 +331,10 @@ typedef struct { TPMU_HA digest; } TPMT_HA; +/* Table 96 -- TPML_DIGEST_VALUES Structure */ typedef struct { uint32_t count; - TPMT_HA digests[1]; /* Limit max number of hashes to 1. */ + TPMT_HA digests[HASH_COUNT]; } TPML_DIGEST_VALUES; struct nv_read_response { -- cgit v1.2.3