From 3feea54eae33a6689bedf1e023edeb219faa76d6 Mon Sep 17 00:00:00 2001 From: Amol N Sukerkar Date: Mon, 3 Feb 2020 10:18:50 -0800 Subject: CryptoPkg/BaseHashApiLib: Implement Unified Hash Calculation API https://bugzilla.tianocore.org/show_bug.cgi?id=2151 This commit introduces a Unified Hash API to calculate hash using a hashing algorithm specified by the PCD, PcdHashApiLibPolicy. This library interfaces with the various hashing API, such as, MD4, MD5, SHA1, SHA256, SHA512 and SM3_256 implemented in BaseCryptLib. The user can calculate the desired hash by setting PcdHashApiLibPolicy to appropriate value. This feature is documented in the Bugzilla, https://bugzilla.tianocore.org/show_bug.cgi?id=2151. Cc: Jiewen Yao Cc: Jian J Wang Cc: Michael D Kinney Signed-off-by: Amol N Sukerkar Reviewed-by: Michael D Kinney --- CryptoPkg/Include/Library/HashApiLib.h | 122 +++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 CryptoPkg/Include/Library/HashApiLib.h (limited to 'CryptoPkg/Include') diff --git a/CryptoPkg/Include/Library/HashApiLib.h b/CryptoPkg/Include/Library/HashApiLib.h new file mode 100644 index 0000000000..22068e5a17 --- /dev/null +++ b/CryptoPkg/Include/Library/HashApiLib.h @@ -0,0 +1,122 @@ +/** @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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __BASEHASHAPILIB_H_ +#define __BASEHASHAPILIB_H_ + +typedef VOID *HASH_API_CONTEXT; + +// +// Hash Algorithms +// +#define HASH_API_ALGO_INVALID 0x00000000 +#define HASH_API_ALGO_MD4 0x00000001 +#define HASH_API_ALGO_MD5 0x00000002 +#define HASH_API_ALGO_SHA1 0x00000003 +#define HASH_API_ALGO_SHA256 0x00000004 +#define HASH_API_ALGO_SHA384 0x00000005 +#define HASH_API_ALGO_SHA512 0x00000006 +#define HASH_API_ALGO_SM3_256 0x00000007 + +/** + 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 -- cgit v1.2.3