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Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c b/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c new file mode 100644 index 00000000..5e951621 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c @@ -0,0 +1,225 @@ +/** @file + SHA-1 Digest Wrapper Implementation over OpenSSL. + +Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "InternalCryptLib.h" +#include <openssl/sha.h> + +#ifndef DISABLE_SHA1_DEPRECATED_INTERFACES +/** + Retrieves the size, in bytes, of the context buffer required for SHA-1 hash operations. + + @return The size, in bytes, of the context buffer required for SHA-1 hash operations. + +**/ +UINTN +EFIAPI +Sha1GetContextSize ( + VOID + ) +{ + // + // Retrieves OpenSSL SHA Context Size + // + return (UINTN) (sizeof (SHA_CTX)); +} + +/** + Initializes user-supplied memory pointed by Sha1Context as SHA-1 hash context for + subsequent use. + + If Sha1Context is NULL, then return FALSE. + + @param[out] Sha1Context Pointer to SHA-1 context being initialized. + + @retval TRUE SHA-1 context initialization succeeded. + @retval FALSE SHA-1 context initialization failed. + +**/ +BOOLEAN +EFIAPI +Sha1Init ( + OUT VOID *Sha1Context + ) +{ + // + // Check input parameters. + // + if (Sha1Context == NULL) { + return FALSE; + } + + // + // OpenSSL SHA-1 Context Initialization + // + return (BOOLEAN) (SHA1_Init ((SHA_CTX *) Sha1Context)); +} + +/** + Makes a copy of an existing SHA-1 context. + + If Sha1Context is NULL, then return FALSE. + If NewSha1Context is NULL, then return FALSE. + + @param[in] Sha1Context Pointer to SHA-1 context being copied. + @param[out] NewSha1Context Pointer to new SHA-1 context. + + @retval TRUE SHA-1 context copy succeeded. + @retval FALSE SHA-1 context copy failed. + +**/ +BOOLEAN +EFIAPI +Sha1Duplicate ( + IN CONST VOID *Sha1Context, + OUT VOID *NewSha1Context + ) +{ + // + // Check input parameters. + // + if (Sha1Context == NULL || NewSha1Context == NULL) { + return FALSE; + } + + CopyMem (NewSha1Context, Sha1Context, sizeof (SHA_CTX)); + + return TRUE; +} + +/** + Digests the input data and updates SHA-1 context. + + This function performs SHA-1 digest on a data buffer of the specified size. + It can be called multiple times to compute the digest of long or discontinuous data streams. + SHA-1 context should be already correctly initialized by Sha1Init(), and should not be finalized + by Sha1Final(). Behavior with invalid context is undefined. + + If Sha1Context is NULL, then return FALSE. + + @param[in, out] Sha1Context Pointer to the SHA-1 context. + @param[in] Data Pointer to the buffer containing the data to be hashed. + @param[in] DataSize Size of Data buffer in bytes. + + @retval TRUE SHA-1 data digest succeeded. + @retval FALSE SHA-1 data digest failed. + +**/ +BOOLEAN +EFIAPI +Sha1Update ( + IN OUT VOID *Sha1Context, + IN CONST VOID *Data, + IN UINTN DataSize + ) +{ + // + // Check input parameters. + // + if (Sha1Context == NULL) { + return FALSE; + } + + // + // Check invalid parameters, in case that only DataLength was checked in OpenSSL + // + if (Data == NULL && DataSize != 0) { + return FALSE; + } + + // + // OpenSSL SHA-1 Hash Update + // + return (BOOLEAN) (SHA1_Update ((SHA_CTX *) Sha1Context, Data, DataSize)); +} + +/** + Completes computation of the SHA-1 digest value. + + This function completes SHA-1 hash computation and retrieves the digest value into + the specified memory. After this function has been called, the SHA-1 context cannot + be used again. + SHA-1 context should be already correctly initialized by Sha1Init(), and should not be + finalized by Sha1Final(). Behavior with invalid SHA-1 context is undefined. + + If Sha1Context is NULL, then return FALSE. + If HashValue is NULL, then return FALSE. + + @param[in, out] Sha1Context Pointer to the SHA-1 context. + @param[out] HashValue Pointer to a buffer that receives the SHA-1 digest + value (20 bytes). + + @retval TRUE SHA-1 digest computation succeeded. + @retval FALSE SHA-1 digest computation failed. + +**/ +BOOLEAN +EFIAPI +Sha1Final ( + IN OUT VOID *Sha1Context, + OUT UINT8 *HashValue + ) +{ + // + // Check input parameters. + // + if (Sha1Context == NULL || HashValue == NULL) { + return FALSE; + } + + // + // OpenSSL SHA-1 Hash Finalization + // + return (BOOLEAN) (SHA1_Final (HashValue, (SHA_CTX *) Sha1Context)); +} + +/** + Computes the SHA-1 message digest of a input data buffer. + + This function performs the SHA-1 message digest of a given data buffer, and places + the digest value into the specified memory. + + If this interface is not supported, then return FALSE. + + @param[in] Data Pointer to the buffer containing the data to be hashed. + @param[in] DataSize Size of Data buffer in bytes. + @param[out] HashValue Pointer to a buffer that receives the SHA-1 digest + value (20 bytes). + + @retval TRUE SHA-1 digest computation succeeded. + @retval FALSE SHA-1 digest computation failed. + @retval FALSE This interface is not supported. + +**/ +BOOLEAN +EFIAPI +Sha1HashAll ( + IN CONST VOID *Data, + IN UINTN DataSize, + OUT UINT8 *HashValue + ) +{ + // + // Check input parameters. + // + if (HashValue == NULL) { + return FALSE; + } + if (Data == NULL && DataSize != 0) { + return FALSE; + } + + // + // OpenSSL SHA-1 Hash Computation. + // + if (SHA1 (Data, DataSize, HashValue) == NULL) { + return FALSE; + } else { + return TRUE; + } +} +#endif |