diff options
Diffstat (limited to 'CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c')
| -rw-r--r-- | CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c | 64 |
1 files changed, 46 insertions, 18 deletions
diff --git a/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c b/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c index 99471a0176..73f3d219b0 100644 --- a/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c +++ b/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c @@ -12,10 +12,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-
-#include <Library/BaseCryptLib.h>
+#include "InternalCryptLib.h"
#include <openssl/md5.h>
@@ -44,7 +41,7 @@ Md5GetContextSize ( If Md5Context is NULL, then ASSERT().
- @param[in, out] Md5Context Pointer to MD5 Context being initialized.
+ @param[out] Md5Context Pointer to MD5 context being initialized.
@retval TRUE MD5 context initialization succeeded.
@retval FALSE MD5 context initialization failed.
@@ -53,7 +50,7 @@ Md5GetContextSize ( BOOLEAN
EFIAPI
Md5Init (
- IN OUT VOID *Md5Context
+ OUT VOID *Md5Context
)
{
//
@@ -67,20 +64,47 @@ Md5Init ( return (BOOLEAN) (MD5_Init ((MD5_CTX *)Md5Context));
}
+/**
+ Makes a copy of an existing MD5 context.
+
+ If Md5Context is NULL, then ASSERT().
+ If NewMd5Context is NULL, then ASSERT().
+
+ @param[in] Md5Context Pointer to MD5 context being copied.
+ @param[out] NewMd5Context Pointer to new MD5 context.
+
+ @retval TRUE MD5 context copy succeeded.
+ @retval FALSE MD5 context copy failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md5Duplicate (
+ IN CONST VOID *Md5Context,
+ OUT VOID *NewMd5Context
+ )
+{
+ CopyMem (NewMd5Context, Md5Context, sizeof (MD5_CTX));
+
+ return TRUE;
+}
/**
- Performs MD5 digest on a data buffer of the specified length. This function can
- be called multiple times to compute the digest of long or discontinuous data streams.
+ Digests the input data and updates MD5 context.
+
+ This function performs MD5 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.
+ MD5 context should be already correctly intialized by Md5Init(), and should not be finalized
+ by Md5Final(). Behavior with invalid context is undefined.
If Md5Context is NULL, then ASSERT().
@param[in, out] Md5Context Pointer to the MD5 context.
@param[in] Data Pointer to the buffer containing the data to be hashed.
- @param[in] DataLength Length of Data buffer in bytes.
+ @param[in] DataSize Size of Data buffer in bytes.
@retval TRUE MD5 data digest succeeded.
- @retval FALSE Invalid MD5 context. After Md5Final function has been called, the
- MD5 context cannot be reused.
+ @retval FALSE MD5 data digest failed.
**/
BOOLEAN
@@ -88,7 +112,7 @@ EFIAPI Md5Update (
IN OUT VOID *Md5Context,
IN CONST VOID *Data,
- IN UINTN DataLength
+ IN UINTN DataSize
)
{
//
@@ -100,24 +124,28 @@ Md5Update ( // ASSERT if invalid parameters, in case that only DataLength was checked in OpenSSL
//
if (Data == NULL) {
- ASSERT (DataLength == 0);
+ ASSERT (DataSize == 0);
}
//
// OpenSSL MD5 Hash Update
//
- return (BOOLEAN) (MD5_Update ((MD5_CTX *)Md5Context, Data, DataLength));
+ return (BOOLEAN) (MD5_Update ((MD5_CTX *)Md5Context, Data, DataSize));
}
-
/**
- Completes MD5 hash computation and retrieves the digest value into the specified
- memory. After this function has been called, the MD5 context cannot be used again.
+ Completes computation of the MD5 digest value.
+
+ This function completes MD5 hash computation and retrieves the digest value into
+ the specified memory. After this function has been called, the MD5 context cannot
+ be used again.
+ MD5 context should be already correctly intialized by Md5Init(), and should not be
+ finalized by Md5Final(). Behavior with invalid MD5 context is undefined.
If Md5Context is NULL, then ASSERT().
If HashValue is NULL, then ASSERT().
- @param[in, out] Md5Context Pointer to the MD5 context
+ @param[in, out] Md5Context Pointer to the MD5 context.
@param[out] HashValue Pointer to a buffer that receives the MD5 digest
value (16 bytes).
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