/** @file\r
MD5 Digest Wrapper Implementation over OpenSSL.\r
\r
-Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
//\r
// Retrieves the OpenSSL MD5 Context Size\r
//\r
- return (UINTN)(sizeof (MD5_CTX));\r
+ return (UINTN) (sizeof (MD5_CTX));\r
}\r
\r
\r
Initializes user-supplied memory pointed by Md5Context as MD5 hash context for\r
subsequent use.\r
\r
- If Md5Context is NULL, then ASSERT().\r
+ If Md5Context is NULL, then return FALSE.\r
\r
@param[out] Md5Context Pointer to MD5 context being initialized.\r
\r
)\r
{\r
//\r
- // ASSERT if Md5Context is NULL.\r
+ // Check input parameters.\r
//\r
- ASSERT (Md5Context != NULL);\r
+ if (Md5Context == NULL) {\r
+ return FALSE;\r
+ }\r
\r
//\r
// OpenSSL MD5 Context Initialization\r
//\r
- return (BOOLEAN) (MD5_Init ((MD5_CTX *)Md5Context));\r
+ return (BOOLEAN) (MD5_Init ((MD5_CTX *) Md5Context));\r
}\r
\r
/**\r
Makes a copy of an existing MD5 context.\r
\r
- If Md5Context is NULL, then ASSERT().\r
- If NewMd5Context is NULL, then ASSERT().\r
+ If Md5Context is NULL, then return FALSE.\r
+ If NewMd5Context is NULL, then return FALSE.\r
\r
@param[in] Md5Context Pointer to MD5 context being copied.\r
@param[out] NewMd5Context Pointer to new MD5 context.\r
)\r
{\r
//\r
- // ASSERT if Md5Context or NewMd5Context is NULL.\r
+ // Check input parameters.\r
//\r
- ASSERT (Md5Context != NULL);\r
- ASSERT (NewMd5Context != NULL);\r
+ if (Md5Context == NULL || NewMd5Context == NULL) {\r
+ return FALSE;\r
+ }\r
\r
CopyMem (NewMd5Context, Md5Context, sizeof (MD5_CTX));\r
\r
MD5 context should be already correctly intialized by Md5Init(), and should not be finalized\r
by Md5Final(). Behavior with invalid context is undefined.\r
\r
- If Md5Context is NULL, then ASSERT().\r
+ If Md5Context is NULL, then return FALSE.\r
\r
@param[in, out] Md5Context Pointer to the MD5 context.\r
@param[in] Data Pointer to the buffer containing the data to be hashed.\r
)\r
{\r
//\r
- // ASSERT if Md5Context is NULL\r
+ // Check input parameters.\r
//\r
- ASSERT (Md5Context != NULL);\r
+ if (Md5Context == NULL) {\r
+ return FALSE;\r
+ }\r
\r
//\r
- // ASSERT if invalid parameters, in case that only DataLength was checked in OpenSSL\r
+ // Check invalid parameters, in case that only DataLength was checked in OpenSSL\r
//\r
- if (Data == NULL) {\r
- ASSERT (DataSize == 0);\r
+ if (Data == NULL && (DataSize != 0)) {\r
+ return FALSE;\r
}\r
\r
//\r
// OpenSSL MD5 Hash Update\r
//\r
- return (BOOLEAN) (MD5_Update ((MD5_CTX *)Md5Context, Data, DataSize));\r
+ return (BOOLEAN) (MD5_Update ((MD5_CTX *) Md5Context, Data, DataSize));\r
}\r
\r
/**\r
MD5 context should be already correctly intialized by Md5Init(), and should not be\r
finalized by Md5Final(). Behavior with invalid MD5 context is undefined.\r
\r
- If Md5Context is NULL, then ASSERT().\r
- If HashValue is NULL, then ASSERT().\r
+ If Md5Context is NULL, then return FALSE.\r
+ If HashValue is NULL, then return FALSE.\r
\r
@param[in, out] Md5Context Pointer to the MD5 context.\r
@param[out] HashValue Pointer to a buffer that receives the MD5 digest\r
)\r
{\r
//\r
- // ASSERT if Md5Context is NULL or HashValue is NULL\r
+ // Check input parameters.\r
//\r
- ASSERT (Md5Context != NULL);\r
- ASSERT (HashValue != NULL);\r
+ if (Md5Context == NULL || HashValue == NULL) {\r
+ return FALSE;\r
+ }\r
\r
//\r
// OpenSSL MD5 Hash Finalization\r
//\r
- return (BOOLEAN) (MD5_Final (HashValue, (MD5_CTX *)Md5Context));\r
+ return (BOOLEAN) (MD5_Final (HashValue, (MD5_CTX *) Md5Context));\r
+}\r
+\r
+/**\r
+ Computes the MD5 message digest of a input data buffer.\r
+\r
+ This function performs the MD5 message digest of a given data buffer, and places\r
+ the digest value into the specified memory.\r
+\r
+ If this interface is not supported, then return FALSE.\r
+\r
+ @param[in] Data Pointer to the buffer containing the data to be hashed.\r
+ @param[in] DataSize Size of Data buffer in bytes.\r
+ @param[out] HashValue Pointer to a buffer that receives the MD5 digest\r
+ value (16 bytes).\r
+\r
+ @retval TRUE MD5 digest computation succeeded.\r
+ @retval FALSE MD5 digest computation failed.\r
+ @retval FALSE This interface is not supported.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Md5HashAll (\r
+ IN CONST VOID *Data,\r
+ IN UINTN DataSize,\r
+ OUT UINT8 *HashValue\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (HashValue == NULL) {\r
+ return FALSE;\r
+ }\r
+ if (Data == NULL && (DataSize != 0)) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // OpenSSL MD5 Hash Computation.\r
+ //\r
+ if (MD5 (Data, DataSize, HashValue) == NULL) {\r
+ return FALSE;\r
+ } else {\r
+ return TRUE;\r
+ }\r
}\r