CryptoPkg: Add xxxxHashAll APIs to facilitate the digest computation

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / Hash / CryptMd5.c

diff --git a/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c b/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c
index e1c10e342c78ee675412cb1664251725b37d1b07..34eabe95a597fb1a22b8c37bceaa91c7c33fdb94 100644 (file)
--- a/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c
+++ b/CryptoPkg/Library/BaseCryptLib/Hash/CryptMd5.c
@@ -1,7 +1,7 @@
 /** @file\r
   MD5 Digest Wrapper Implementation over OpenSSL.\r
 \r
-Copyright (c) 2009 - 2012, 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
@@ -183,3 +183,49 @@ Md5Final (
   //\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