CryptoPkg: Add MD5/SHA1/SHA2 functions based on Mbedtls
Add MD5/SHA1/SHA256/SHA384/SHA512 APIs. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4177 Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Yi Li <yi1.li@intel.com> Cc: Xiaoyu Lu <xiaoyu1.lu@intel.com> Cc: Guomin Jiang <guomin.jiang@intel.com> Signed-off-by: Wenxing Hou <wenxing.hou@intel.com> Reviewed-by: Yi Li <yi1.li@intel.com>
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CryptoPkg/Library/BaseCryptLibMbedTls/Hash/CryptSha256.c
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219
CryptoPkg/Library/BaseCryptLibMbedTls/Hash/CryptSha256.c
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/** @file
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SHA-256 Digest Wrapper Implementation over MbedTLS.
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Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "InternalCryptLib.h"
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#include <mbedtls/sha256.h>
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#include <mbedtls/compat-2.x.h>
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/**
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Retrieves the size, in bytes, of the context buffer required for SHA-256 hash operations.
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@return The size, in bytes, of the context buffer required for SHA-256 hash operations.
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**/
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UINTN
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EFIAPI
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Sha256GetContextSize (
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VOID
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)
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{
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return (UINTN)(sizeof (mbedtls_sha256_context));
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}
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/**
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Initializes user-supplied memory pointed by Sha256Context as SHA-256 hash context for
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subsequent use.
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If Sha256Context is NULL, then return FALSE.
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@param[out] Sha256Context Pointer to SHA-256 context being initialized.
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@retval TRUE SHA-256 context initialization succeeded.
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@retval FALSE SHA-256 context initialization failed.
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**/
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BOOLEAN
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EFIAPI
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Sha256Init (
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OUT VOID *Sha256Context
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)
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{
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INT32 Ret;
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if (Sha256Context == NULL) {
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return FALSE;
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}
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mbedtls_sha256_init (Sha256Context);
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Ret = mbedtls_sha256_starts_ret (Sha256Context, FALSE);
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if (Ret != 0) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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Makes a copy of an existing SHA-256 context.
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If Sha256Context is NULL, then return FALSE.
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If NewSha256Context is NULL, then return FALSE.
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@param[in] Sha256Context Pointer to SHA-256 context being copied.
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@param[out] NewSha256Context Pointer to new SHA-256 context.
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@retval TRUE SHA-256 context copy succeeded.
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@retval FALSE SHA-256 context copy failed.
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**/
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BOOLEAN
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EFIAPI
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Sha256Duplicate (
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IN CONST VOID *Sha256Context,
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OUT VOID *NewSha256Context
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)
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{
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if ((Sha256Context == NULL) || (NewSha256Context == NULL)) {
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return FALSE;
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}
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mbedtls_sha256_clone (NewSha256Context, Sha256Context);
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return TRUE;
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}
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/**
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Digests the input data and updates SHA-256 context.
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This function performs SHA-256 digest on a data buffer of the specified size.
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It can be called multiple times to compute the digest of long or discontinuous data streams.
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SHA-256 context should be already correctly initialized by Sha256Init(), and should not be finalized
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by Sha256Final(). Behavior with invalid context is undefined.
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If Sha256Context is NULL, then return FALSE.
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@param[in, out] Sha256Context Pointer to the SHA-256 context.
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@param[in] Data Pointer to the buffer containing the data to be hashed.
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@param[in] DataSize Size of Data buffer in bytes.
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@retval TRUE SHA-256 data digest succeeded.
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@retval FALSE SHA-256 data digest failed.
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**/
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BOOLEAN
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EFIAPI
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Sha256Update (
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IN OUT VOID *Sha256Context,
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IN CONST VOID *Data,
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IN UINTN DataSize
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)
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{
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INT32 Ret;
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if (Sha256Context == NULL) {
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return FALSE;
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}
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if ((Data == NULL) && (DataSize != 0)) {
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return FALSE;
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}
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Ret = mbedtls_sha256_update_ret (Sha256Context, Data, DataSize);
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if (Ret != 0) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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Completes computation of the SHA-256 digest value.
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This function completes SHA-256 hash computation and retrieves the digest value into
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the specified memory. After this function has been called, the SHA-256 context cannot
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be used again.
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SHA-256 context should be already correctly initialized by Sha256Init(), and should not be
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finalized by Sha256Final(). Behavior with invalid SHA-256 context is undefined.
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If Sha256Context is NULL, then return FALSE.
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If HashValue is NULL, then return FALSE.
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@param[in, out] Sha256Context Pointer to the SHA-256 context.
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@param[out] HashValue Pointer to a buffer that receives the SHA-256 digest
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value (32 bytes).
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@retval TRUE SHA-256 digest computation succeeded.
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@retval FALSE SHA-256 digest computation failed.
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**/
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BOOLEAN
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EFIAPI
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Sha256Final (
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IN OUT VOID *Sha256Context,
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OUT UINT8 *HashValue
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)
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{
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INT32 Ret;
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if ((Sha256Context == NULL) || (HashValue == NULL)) {
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return FALSE;
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}
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Ret = mbedtls_sha256_finish_ret (Sha256Context, HashValue);
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mbedtls_sha256_free (Sha256Context);
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if (Ret != 0) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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Computes the SHA-256 message digest of a input data buffer.
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This function performs the SHA-256 message digest of a given data buffer, and places
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the digest value into the specified memory.
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If this interface is not supported, then return FALSE.
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@param[in] Data Pointer to the buffer containing the data to be hashed.
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@param[in] DataSize Size of Data buffer in bytes.
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@param[out] HashValue Pointer to a buffer that receives the SHA-256 digest
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value (32 bytes).
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@retval TRUE SHA-256 digest computation succeeded.
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@retval FALSE SHA-256 digest computation failed.
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@retval FALSE This interface is not supported.
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**/
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BOOLEAN
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EFIAPI
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Sha256HashAll (
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IN CONST VOID *Data,
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IN UINTN DataSize,
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OUT UINT8 *HashValue
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)
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{
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INT32 Ret;
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if (HashValue == NULL) {
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return FALSE;
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}
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if ((Data == NULL) && (DataSize != 0)) {
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return FALSE;
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}
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Ret = mbedtls_sha256_ret (Data, DataSize, HashValue, FALSE);
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if (Ret != 0) {
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return FALSE;
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}
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return TRUE;
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}
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