/** @file\r
SHA-1 Digest Wrapper Implementation over OpenSSL.\r
\r
-Copyright (c) 2009 - 2010, 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
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
//\r
// Retrieves OpenSSL SHA Context Size\r
//\r
- return (UINTN)(sizeof (SHA_CTX));\r
+ return (UINTN) (sizeof (SHA_CTX));\r
}\r
\r
/**\r
Initializes user-supplied memory pointed by Sha1Context as SHA-1 hash context for\r
subsequent use.\r
\r
- If Sha1Context is NULL, then ASSERT().\r
+ If Sha1Context is NULL, then return FALSE.\r
\r
@param[out] Sha1Context Pointer to SHA-1 context being initialized.\r
\r
)\r
{\r
//\r
- // ASSERT if Sha1Context is NULL\r
+ // Check input parameters.\r
//\r
- ASSERT (Sha1Context != NULL);\r
+ if (Sha1Context == NULL) {\r
+ return FALSE;\r
+ }\r
\r
//\r
// OpenSSL SHA-1 Context Initialization\r
//\r
- return (BOOLEAN) (SHA1_Init ((SHA_CTX *)Sha1Context));\r
+ return (BOOLEAN) (SHA1_Init ((SHA_CTX *) Sha1Context));\r
}\r
\r
/**\r
Makes a copy of an existing SHA-1 context.\r
\r
- If Sha1Context is NULL, then ASSERT().\r
- If NewSha1Context is NULL, then ASSERT().\r
+ If Sha1Context is NULL, then return FALSE.\r
+ If NewSha1Context is NULL, then return FALSE.\r
\r
@param[in] Sha1Context Pointer to SHA-1 context being copied.\r
@param[out] NewSha1Context Pointer to new SHA-1 context.\r
)\r
{\r
//\r
- // ASSERT if Sha1Context or NewSha1Context is NULL.\r
+ // Check input parameters.\r
//\r
- ASSERT (Sha1Context != NULL);\r
- ASSERT (NewSha1Context != NULL);\r
+ if (Sha1Context == NULL || NewSha1Context == NULL) {\r
+ return FALSE;\r
+ }\r
\r
CopyMem (NewSha1Context, Sha1Context, sizeof (SHA_CTX));\r
\r
\r
This function performs SHA-1 digest on a data buffer of the specified size.\r
It can be called multiple times to compute the digest of long or discontinuous data streams.\r
- SHA-1 context should be already correctly intialized by Sha1Init(), and should not be finalized\r
+ SHA-1 context should be already correctly initialized by Sha1Init(), and should not be finalized\r
by Sha1Final(). Behavior with invalid context is undefined.\r
\r
- If Sha1Context is NULL, then ASSERT().\r
+ If Sha1Context is NULL, then return FALSE.\r
\r
@param[in, out] Sha1Context Pointer to the SHA-1 context.\r
@param[in] Data Pointer to the buffer containing the data to be hashed.\r
)\r
{\r
//\r
- // ASSERT if Sha1Context is NULL\r
+ // Check input parameters.\r
//\r
- ASSERT (Sha1Context != NULL);\r
+ if (Sha1Context == 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 SHA-1 Hash Update\r
//\r
- return (BOOLEAN) (SHA1_Update ((SHA_CTX *)Sha1Context, Data, DataSize));\r
+ return (BOOLEAN) (SHA1_Update ((SHA_CTX *) Sha1Context, Data, DataSize));\r
}\r
\r
/**\r
This function completes SHA-1 hash computation and retrieves the digest value into\r
the specified memory. After this function has been called, the SHA-1 context cannot\r
be used again.\r
- SHA-1 context should be already correctly intialized by Sha1Init(), and should not be\r
+ SHA-1 context should be already correctly initialized by Sha1Init(), and should not be\r
finalized by Sha1Final(). Behavior with invalid SHA-1 context is undefined.\r
\r
- If Sha1Context is NULL, then ASSERT().\r
- If HashValue is NULL, then ASSERT().\r
+ If Sha1Context is NULL, then return FALSE.\r
+ If HashValue is NULL, then return FALSE.\r
\r
@param[in, out] Sha1Context Pointer to the SHA-1 context.\r
@param[out] HashValue Pointer to a buffer that receives the SHA-1 digest\r
)\r
{\r
//\r
- // ASSERT if Sha1Context is NULL or HashValue is NULL\r
+ // Check input parameters.\r
//\r
- ASSERT (Sha1Context != NULL);\r
- ASSERT (HashValue != NULL);\r
+ if (Sha1Context == NULL || HashValue == NULL) {\r
+ return FALSE;\r
+ }\r
\r
//\r
// OpenSSL SHA-1 Hash Finalization\r
//\r
- return (BOOLEAN) (SHA1_Final (HashValue, (SHA_CTX *)Sha1Context));\r
+ return (BOOLEAN) (SHA1_Final (HashValue, (SHA_CTX *) Sha1Context));\r
+}\r
+\r
+/**\r
+ Computes the SHA-1 message digest of a input data buffer.\r
+\r
+ This function performs the SHA-1 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 SHA-1 digest\r
+ value (20 bytes).\r
+\r
+ @retval TRUE SHA-1 digest computation succeeded.\r
+ @retval FALSE SHA-1 digest computation failed.\r
+ @retval FALSE This interface is not supported.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha1HashAll (\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 SHA-1 Hash Computation.\r
+ //\r
+ if (SHA1 (Data, DataSize, HashValue) == NULL) {\r
+ return FALSE;\r
+ } else {\r
+ return TRUE;\r
+ }\r
}\r
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