diff options
Diffstat (limited to 'CryptoPkg/Library/BaseCryptLib/Hash/CryptMd4.c')
| -rw-r--r-- | CryptoPkg/Library/BaseCryptLib/Hash/CryptMd4.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd4.c b/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd4.c new file mode 100644 index 00000000..fb7dd487 --- /dev/null +++ b/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd4.c @@ -0,0 +1,229 @@ +/** @file
+ MD4 Digest Wrapper Implementation over OpenSSL.
+
+Copyright (c) 2010 - 2016, 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/md4.h>
+
+/**
+ Retrieves the size, in bytes, of the context buffer required for MD4 hash operations.
+
+ @return The size, in bytes, of the context buffer required for MD4 hash operations.
+
+**/
+UINTN
+EFIAPI
+Md4GetContextSize (
+ VOID
+ )
+{
+ //
+ // Retrieves the OpenSSL MD4 Context Size
+ //
+ return (UINTN) (sizeof (MD4_CTX));
+}
+
+/**
+ Initializes user-supplied memory pointed by Md4Context as MD4 hash context for
+ subsequent use.
+
+ If Md4Context is NULL, then return FALSE.
+
+ @param[out] Md4Context Pointer to MD4 context being initialized.
+
+ @retval TRUE MD4 context initialization succeeded.
+ @retval FALSE MD4 context initialization failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md4Init (
+ OUT VOID *Md4Context
+ )
+{
+ //
+ // Check input parameters.
+ //
+ if (Md4Context == NULL) {
+ return FALSE;
+ }
+
+ //
+ // OpenSSL MD4 Context Initialization
+ //
+ return (BOOLEAN) (MD4_Init ((MD4_CTX *) Md4Context));
+}
+
+/**
+ Makes a copy of an existing MD4 context.
+
+ If Md4Context is NULL, then return FALSE.
+ If NewMd4Context is NULL, then return FALSE.
+
+ @param[in] Md4Context Pointer to MD4 context being copied.
+ @param[out] NewMd4Context Pointer to new MD4 context.
+
+ @retval TRUE MD4 context copy succeeded.
+ @retval FALSE MD4 context copy failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md4Duplicate (
+ IN CONST VOID *Md4Context,
+ OUT VOID *NewMd4Context
+ )
+{
+ //
+ // Check input parameters.
+ //
+ if (Md4Context == NULL || NewMd4Context == NULL) {
+ return FALSE;
+ }
+
+ CopyMem (NewMd4Context, Md4Context, sizeof (MD4_CTX));
+
+ return TRUE;
+}
+
+/**
+ Digests the input data and updates MD4 context.
+
+ This function performs MD4 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.
+ MD4 context should be already correctly initialized by Md4Init(), and should not be finalized
+ by Md4Final(). Behavior with invalid context is undefined.
+
+ If Md4Context is NULL, then return FALSE.
+
+ @param[in, out] Md4Context Pointer to the MD4 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 MD4 data digest succeeded.
+ @retval FALSE MD4 data digest failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md4Update (
+ IN OUT VOID *Md4Context,
+ IN CONST VOID *Data,
+ IN UINTN DataSize
+ )
+{
+ //
+ // Check input parameters.
+ //
+ if (Md4Context == NULL) {
+ return FALSE;
+ }
+
+ //
+ // Check invalid parameters, in case that only DataLength was checked in OpenSSL
+ //
+ if (Data == NULL && DataSize != 0) {
+ return FALSE;
+ }
+
+ //
+ // OpenSSL MD4 Hash Update
+ //
+ return (BOOLEAN) (MD4_Update ((MD4_CTX *) Md4Context, Data, DataSize));
+}
+
+/**
+ Completes computation of the MD4 digest value.
+
+ This function completes MD4 hash computation and retrieves the digest value into
+ the specified memory. After this function has been called, the MD4 context cannot
+ be used again.
+ MD4 context should be already correctly initialized by Md4Init(), and should not be
+ finalized by Md4Final(). Behavior with invalid MD4 context is undefined.
+
+ If Md4Context is NULL, then return FALSE.
+ If HashValue is NULL, then return FALSE.
+
+ @param[in, out] Md4Context Pointer to the MD4 context.
+ @param[out] HashValue Pointer to a buffer that receives the MD4 digest
+ value (16 bytes).
+
+ @retval TRUE MD4 digest computation succeeded.
+ @retval FALSE MD4 digest computation failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md4Final (
+ IN OUT VOID *Md4Context,
+ OUT UINT8 *HashValue
+ )
+{
+ //
+ // Check input parameters.
+ //
+ if (Md4Context == NULL || HashValue == NULL) {
+ return FALSE;
+ }
+
+ //
+ // OpenSSL MD4 Hash Finalization
+ //
+ return (BOOLEAN) (MD4_Final (HashValue, (MD4_CTX *) Md4Context));
+}
+
+/**
+ Computes the MD4 message digest of a input data buffer.
+
+ This function performs the MD4 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 MD4 digest
+ value (16 bytes).
+
+ @retval TRUE MD4 digest computation succeeded.
+ @retval FALSE MD4 digest computation failed.
+ @retval FALSE This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+Md4HashAll (
+ 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 MD4 Hash Computation.
+ //
+ if (MD4 (Data, DataSize, HashValue) == NULL) {
+ return FALSE;
+ } else {
+ return TRUE;
+ }
+}
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