diff options
| author | Jiewen Yao <jiewen.yao@intel.com> | 2016-09-13 19:05:08 +0800 |
|---|---|---|
| committer | Star Zeng <star.zeng@intel.com> | 2016-09-21 18:20:17 +0800 |
| commit | d4b9b2c32cb38c8aefed52de12368ba644dfb0b5 (patch) | |
| tree | 72527bc7a41d64b048684650d450ef2ad35dac0e /SecurityPkg/Library/Tpm2CommandLib | |
| parent | f9c9a1406c7393f01961fbc07f6b6f47ce7f4137 (diff) | |
| download | edk2-d4b9b2c32cb38c8aefed52de12368ba644dfb0b5.tar.gz edk2-d4b9b2c32cb38c8aefed52de12368ba644dfb0b5.tar.bz2 edk2-d4b9b2c32cb38c8aefed52de12368ba644dfb0b5.zip | |
SecurityPkg/TPM2: Move GetDigestFromDigestList() to Tpm2CommandLib
This patch just moves function Tpm2GetDigestFromDigestList() from
drivers to library as GetDigestFromDigestList() and no functionality change.
Cc: Chao B Zhang <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
Diffstat (limited to 'SecurityPkg/Library/Tpm2CommandLib')
| -rw-r--r-- | SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c b/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c index 5e24290f7c..b40c2ab09d 100644 --- a/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c +++ b/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c @@ -1,7 +1,7 @@ /** @file
Implement TPM2 help.
-Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved. <BR>
+Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -164,3 +164,39 @@ CopyAuthSessionResponse ( return (UINT32)(UINTN)(Buffer - (UINT8 *)AuthSessionIn);
}
+
+/**
+ This function get digest from digest list.
+
+ @param HashAlg digest algorithm
+ @param DigestList digest list
+ @param Digest digest
+
+ @retval EFI_SUCCESS Sha1Digest is found and returned.
+ @retval EFI_NOT_FOUND Sha1Digest is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetDigestFromDigestList (
+ IN TPMI_ALG_HASH HashAlg,
+ IN TPML_DIGEST_VALUES *DigestList,
+ IN VOID *Digest
+ )
+{
+ UINTN Index;
+ UINT16 DigestSize;
+
+ DigestSize = GetHashSizeFromAlgo (HashAlg);
+ for (Index = 0; Index < DigestList->count; Index++) {
+ if (DigestList->digests[Index].hashAlg == HashAlg) {
+ CopyMem (
+ Digest,
+ &DigestList->digests[Index].digest,
+ DigestSize
+ );
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
\ No newline at end of file |