diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/CryptoPkg/Include/Library/HashApiLib.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/CryptoPkg/Include/Library/HashApiLib.h')
| -rw-r--r-- | roms/edk2/CryptoPkg/Include/Library/HashApiLib.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Include/Library/HashApiLib.h b/roms/edk2/CryptoPkg/Include/Library/HashApiLib.h new file mode 100644 index 000000000..17250505f --- /dev/null +++ b/roms/edk2/CryptoPkg/Include/Library/HashApiLib.h @@ -0,0 +1,110 @@ +/** @file
+ Unified Hash API Defines
+
+ This API when called will calculate the Hash using the
+ hashing algorithm specified by PcdHashApiLibPolicy.
+
+ Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __HASH_API_LIB_H_
+#define __HASH_API_LIB_H_
+
+typedef VOID *HASH_API_CONTEXT;
+
+/**
+ Retrieves the size, in bytes, of the context buffer required for hash operations.
+
+ @return The size, in bytes, of the context buffer required for hash operations.
+**/
+UINTN
+EFIAPI
+HashApiGetContextSize (
+ VOID
+ );
+
+/**
+ Init hash sequence.
+
+ @param[out] HashContext Hash context.
+
+ @retval TRUE Hash start and HashHandle returned.
+ @retval FALSE Hash Init unsuccessful.
+**/
+BOOLEAN
+EFIAPI
+HashApiInit (
+ OUT HASH_API_CONTEXT HashContext
+ );
+
+/**
+ Makes a copy of an existing hash context.
+
+ @param[in] HashContext Hash context.
+ @param[out] NewHashContext New copy of hash context.
+
+ @retval TRUE Hash context copy succeeded.
+ @retval FALSE Hash context copy failed.
+**/
+BOOLEAN
+EFIAPI
+HashApiDuplicate (
+ IN HASH_API_CONTEXT HashContext,
+ OUT HASH_API_CONTEXT NewHashContext
+ );
+
+/**
+ Update hash data.
+
+ @param[in] HashContext Hash context.
+ @param[in] DataToHash Data to be hashed.
+ @param[in] DataToHashLen Data size.
+
+ @retval TRUE Hash updated.
+ @retval FALSE Hash updated unsuccessful.
+**/
+BOOLEAN
+EFIAPI
+HashApiUpdate (
+ IN HASH_API_CONTEXT HashContext,
+ IN VOID *DataToHash,
+ IN UINTN DataToHashLen
+ );
+
+/**
+ Hash complete.
+
+ @param[in] HashContext Hash context.
+ @param[out] Digest Hash Digest.
+
+ @retval TRUE Hash complete and Digest is returned.
+ @retval FALSE Hash complete unsuccessful.
+**/
+BOOLEAN
+EFIAPI
+HashApiFinal (
+ IN HASH_API_CONTEXT HashContext,
+ OUT UINT8 *Digest
+ );
+
+/**
+ Computes hash message digest of a input data buffer.
+
+ @param[in] DataToHash Data to be hashed.
+ @param[in] DataToHashLen Data size.
+ @param[out] Digest Hash Digest.
+
+ @retval TRUE Hash digest computation succeeded.
+ @retval FALSE Hash digest computation failed.
+**/
+BOOLEAN
+EFIAPI
+HashApiHashAll (
+ IN CONST VOID *DataToHash,
+ IN UINTN DataToHashLen,
+ OUT UINT8 *Digest
+ );
+
+#endif
|