CryptoPkg: Add xxxxHashAll APIs to facilitate the digest computation

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / Hash / CryptSha1.c

diff --git a/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c b/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c
index 78c29c1b18558b6a856ebc597de400e4bdcfe327..b8a6d0cda0472adc034f5aab728243f62ddf5096 100644 (file)
--- a/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c
+++ b/CryptoPkg/Library/BaseCryptLib/Hash/CryptSha1.c
@@ -1,7 +1,7 @@
 /** @file\r
   SHA-1 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
@@ -182,3 +182,49 @@ Sha1Final (
   //\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