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| author | Stefan Berger <stefanb@linux.vnet.ibm.com> | 2016-02-02 13:09:15 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2016-02-05 20:47:37 -0500 |
| commit | 8b7a0add3acfa14ea28ca9a9fbc410d314c62a10 (patch) | |
| tree | 33be5eae98f243b697891ade7107ab6c390c7139 /src/std | |
| parent | d766c1ab99a2c2a88b59a3e25a492f424e42a62e (diff) | |
| download | seabios-8b7a0add3acfa14ea28ca9a9fbc410d314c62a10.tar.gz | |
tpm: Implement tpm20_extend
Implement the tpm20_extend function. We use it with only SHA1.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Diffstat (limited to 'src/std')
| -rw-r--r-- | src/std/tcg.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/std/tcg.h b/src/std/tcg.h index e0d6f307..d45c7f62 100644 --- a/src/std/tcg.h +++ b/src/std/tcg.h @@ -375,6 +375,8 @@ struct tpm_res_sha1complete { #define TPM2_RS_PW 0x40000009 #define TPM2_RH_PLATFORM 0x4000000c +#define TPM2_ALG_SHA1 0x0004 + /* TPM 2 command tags */ #define TPM2_ST_NO_SESSIONS 0x8001 #define TPM2_ST_SESSIONS 0x8002 @@ -385,6 +387,7 @@ struct tpm_res_sha1complete { #define TPM2_CC_Startup 0x144 #define TPM2_CC_StirRandom 0x146 #define TPM2_CC_GetRandom 0x17b +#define TPM2_CC_PCR_Extend 0x182 /* TPM 2 error codes */ #define TPM2_RC_INITIALIZE 0x100 @@ -426,4 +429,18 @@ struct tpm2_req_hierarchychangeauth { struct tpm2b_20 newAuth; } PACKED; +struct tpm2_digest_value { + u32 count; /* 1 entry only */ + u16 hashalg; /* TPM2_ALG_SHA1 */ + u8 sha1[SHA1_BUFSIZE]; +} PACKED; + +struct tpm2_req_extend { + struct tpm_req_header hdr; + u32 pcrindex; + u32 authblocksize; + struct tpm2_authblock authblock; + struct tpm2_digest_value digest; +} PACKED; + #endif // tcg.h |