/** @file | |
SHA-384 and SHA-512 Digest Wrapper Implementations over OpenSSL. | |
Copyright (c) 2014, 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 | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#include "InternalCryptLib.h" | |
#include <openssl/sha.h> | |
/** | |
Retrieves the size, in bytes, of the context buffer required for SHA-384 hash operations. | |
@return The size, in bytes, of the context buffer required for SHA-384 hash operations. | |
**/ | |
UINTN | |
EFIAPI | |
Sha384GetContextSize ( | |
VOID | |
) | |
{ | |
// | |
// Retrieves OpenSSL SHA-384 Context Size | |
// | |
return (UINTN) (sizeof (SHA512_CTX)); | |
} | |
/** | |
Initializes user-supplied memory pointed by Sha384Context as SHA-384 hash context for | |
subsequent use. | |
If Sha384Context is NULL, then return FALSE. | |
@param[out] Sha384Context Pointer to SHA-384 context being initialized. | |
@retval TRUE SHA-384 context initialization succeeded. | |
@retval FALSE SHA-384 context initialization failed. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha384Init ( | |
OUT VOID *Sha384Context | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha384Context == NULL) { | |
return FALSE; | |
} | |
// | |
// OpenSSL SHA-384 Context Initialization | |
// | |
return (BOOLEAN) (SHA384_Init ((SHA512_CTX *) Sha384Context)); | |
} | |
/** | |
Makes a copy of an existing SHA-384 context. | |
If Sha384Context is NULL, then return FALSE. | |
If NewSha384Context is NULL, then return FALSE. | |
If this interface is not supported, then return FALSE. | |
@param[in] Sha384Context Pointer to SHA-384 context being copied. | |
@param[out] NewSha384Context Pointer to new SHA-384 context. | |
@retval TRUE SHA-384 context copy succeeded. | |
@retval FALSE SHA-384 context copy failed. | |
@retval FALSE This interface is not supported. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha384Duplicate ( | |
IN CONST VOID *Sha384Context, | |
OUT VOID *NewSha384Context | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha384Context == NULL || NewSha384Context == NULL) { | |
return FALSE; | |
} | |
CopyMem (NewSha384Context, Sha384Context, sizeof (SHA512_CTX)); | |
return TRUE; | |
} | |
/** | |
Digests the input data and updates SHA-384 context. | |
This function performs SHA-384 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-384 context should be already correctly intialized by Sha384Init(), and should not be finalized | |
by Sha384Final(). Behavior with invalid context is undefined. | |
If Sha384Context is NULL, then return FALSE. | |
@param[in, out] Sha384Context Pointer to the SHA-384 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-384 data digest succeeded. | |
@retval FALSE SHA-384 data digest failed. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha384Update ( | |
IN OUT VOID *Sha384Context, | |
IN CONST VOID *Data, | |
IN UINTN DataSize | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha384Context == NULL) { | |
return FALSE; | |
} | |
// | |
// Check invalid parameters, in case that only DataLength was checked in OpenSSL | |
// | |
if (Data == NULL && DataSize != 0) { | |
return FALSE; | |
} | |
// | |
// OpenSSL SHA-384 Hash Update | |
// | |
return (BOOLEAN) (SHA384_Update ((SHA512_CTX *) Sha384Context, Data, DataSize)); | |
} | |
/** | |
Completes computation of the SHA-384 digest value. | |
This function completes SHA-384 hash computation and retrieves the digest value into | |
the specified memory. After this function has been called, the SHA-384 context cannot | |
be used again. | |
SHA-384 context should be already correctly intialized by Sha384Init(), and should not be | |
finalized by Sha384Final(). Behavior with invalid SHA-384 context is undefined. | |
If Sha384Context is NULL, then return FALSE. | |
If HashValue is NULL, then return FALSE. | |
@param[in, out] Sha384Context Pointer to the SHA-384 context. | |
@param[out] HashValue Pointer to a buffer that receives the SHA-384 digest | |
value (48 bytes). | |
@retval TRUE SHA-384 digest computation succeeded. | |
@retval FALSE SHA-384 digest computation failed. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha384Final ( | |
IN OUT VOID *Sha384Context, | |
OUT UINT8 *HashValue | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha384Context == NULL || HashValue == NULL) { | |
return FALSE; | |
} | |
// | |
// OpenSSL SHA-384 Hash Finalization | |
// | |
return (BOOLEAN) (SHA384_Final (HashValue, (SHA512_CTX *) Sha384Context)); | |
} | |
/** | |
Retrieves the size, in bytes, of the context buffer required for SHA-512 hash operations. | |
@return The size, in bytes, of the context buffer required for SHA-512 hash operations. | |
**/ | |
UINTN | |
EFIAPI | |
Sha512GetContextSize ( | |
VOID | |
) | |
{ | |
// | |
// Retrieves OpenSSL SHA-512 Context Size | |
// | |
return (UINTN) (sizeof (SHA512_CTX)); | |
} | |
/** | |
Initializes user-supplied memory pointed by Sha512Context as SHA-512 hash context for | |
subsequent use. | |
If Sha512Context is NULL, then return FALSE. | |
@param[out] Sha512Context Pointer to SHA-512 context being initialized. | |
@retval TRUE SHA-512 context initialization succeeded. | |
@retval FALSE SHA-512 context initialization failed. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha512Init ( | |
OUT VOID *Sha512Context | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha512Context == NULL) { | |
return FALSE; | |
} | |
// | |
// OpenSSL SHA-512 Context Initialization | |
// | |
return (BOOLEAN) (SHA512_Init ((SHA512_CTX *) Sha512Context)); | |
} | |
/** | |
Makes a copy of an existing SHA-512 context. | |
If Sha512Context is NULL, then return FALSE. | |
If NewSha512Context is NULL, then return FALSE. | |
If this interface is not supported, then return FALSE. | |
@param[in] Sha512Context Pointer to SHA-512 context being copied. | |
@param[out] NewSha512Context Pointer to new SHA-512 context. | |
@retval TRUE SHA-512 context copy succeeded. | |
@retval FALSE SHA-512 context copy failed. | |
@retval FALSE This interface is not supported. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha512Duplicate ( | |
IN CONST VOID *Sha512Context, | |
OUT VOID *NewSha512Context | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha512Context == NULL || NewSha512Context == NULL) { | |
return FALSE; | |
} | |
CopyMem (NewSha512Context, Sha512Context, sizeof (SHA512_CTX)); | |
return TRUE; | |
} | |
/** | |
Digests the input data and updates SHA-512 context. | |
This function performs SHA-512 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-512 context should be already correctly intialized by Sha512Init(), and should not be finalized | |
by Sha512Final(). Behavior with invalid context is undefined. | |
If Sha512Context is NULL, then return FALSE. | |
@param[in, out] Sha512Context Pointer to the SHA-512 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-512 data digest succeeded. | |
@retval FALSE SHA-512 data digest failed. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha512Update ( | |
IN OUT VOID *Sha512Context, | |
IN CONST VOID *Data, | |
IN UINTN DataSize | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha512Context == NULL) { | |
return FALSE; | |
} | |
// | |
// Check invalid parameters, in case that only DataLength was checked in OpenSSL | |
// | |
if (Data == NULL && DataSize != 0) { | |
return FALSE; | |
} | |
// | |
// OpenSSL SHA-512 Hash Update | |
// | |
return (BOOLEAN) (SHA512_Update ((SHA512_CTX *) Sha512Context, Data, DataSize)); | |
} | |
/** | |
Completes computation of the SHA-512 digest value. | |
This function completes SHA-512 hash computation and retrieves the digest value into | |
the specified memory. After this function has been called, the SHA-512 context cannot | |
be used again. | |
SHA-512 context should be already correctly intialized by Sha512Init(), and should not be | |
finalized by Sha512Final(). Behavior with invalid SHA-512 context is undefined. | |
If Sha512Context is NULL, then return FALSE. | |
If HashValue is NULL, then return FALSE. | |
@param[in, out] Sha512Context Pointer to the SHA-512 context. | |
@param[out] HashValue Pointer to a buffer that receives the SHA-512 digest | |
value (64 bytes). | |
@retval TRUE SHA-512 digest computation succeeded. | |
@retval FALSE SHA-512 digest computation failed. | |
**/ | |
BOOLEAN | |
EFIAPI | |
Sha512Final ( | |
IN OUT VOID *Sha512Context, | |
OUT UINT8 *HashValue | |
) | |
{ | |
// | |
// Check input parameters. | |
// | |
if (Sha512Context == NULL || HashValue == NULL) { | |
return FALSE; | |
} | |
// | |
// OpenSSL SHA-512 Hash Finalization | |
// | |
return (BOOLEAN) (SHA384_Final (HashValue, (SHA512_CTX *) Sha512Context)); | |
} |