--- /dev/null
+/** @file\r
+ SHA-384 and SHA-512 Digest Wrapper Implementations over OpenSSL.\r
+\r
+Copyright (c) 2014, 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
+\r
+**/\r
+\r
+#include "InternalCryptLib.h"\r
+#include <openssl/sha.h>\r
+\r
+/**\r
+ Retrieves the size, in bytes, of the context buffer required for SHA-384 hash operations.\r
+\r
+ @return The size, in bytes, of the context buffer required for SHA-384 hash operations.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+Sha384GetContextSize (\r
+ VOID\r
+ )\r
+{\r
+ //\r
+ // Retrieves OpenSSL SHA-384 Context Size\r
+ //\r
+ return (UINTN) (sizeof (SHA512_CTX));\r
+}\r
+\r
+/**\r
+ Initializes user-supplied memory pointed by Sha384Context as SHA-384 hash context for\r
+ subsequent use.\r
+\r
+ If Sha384Context is NULL, then return FALSE.\r
+\r
+ @param[out] Sha384Context Pointer to SHA-384 context being initialized.\r
+\r
+ @retval TRUE SHA-384 context initialization succeeded.\r
+ @retval FALSE SHA-384 context initialization failed.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha384Init (\r
+ OUT VOID *Sha384Context\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha384Context == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // OpenSSL SHA-384 Context Initialization\r
+ //\r
+ return (BOOLEAN) (SHA384_Init ((SHA512_CTX *) Sha384Context));\r
+}\r
+\r
+/**\r
+ Makes a copy of an existing SHA-384 context.\r
+\r
+ If Sha384Context is NULL, then return FALSE.\r
+ If NewSha384Context is NULL, then return FALSE.\r
+ If this interface is not supported, then return FALSE.\r
+\r
+ @param[in] Sha384Context Pointer to SHA-384 context being copied.\r
+ @param[out] NewSha384Context Pointer to new SHA-384 context.\r
+\r
+ @retval TRUE SHA-384 context copy succeeded.\r
+ @retval FALSE SHA-384 context copy failed.\r
+ @retval FALSE This interface is not supported.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha384Duplicate (\r
+ IN CONST VOID *Sha384Context,\r
+ OUT VOID *NewSha384Context\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha384Context == NULL || NewSha384Context == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ CopyMem (NewSha384Context, Sha384Context, sizeof (SHA512_CTX));\r
+\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Digests the input data and updates SHA-384 context.\r
+\r
+ This function performs SHA-384 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-384 context should be already correctly intialized by Sha384Init(), and should not be finalized\r
+ by Sha384Final(). Behavior with invalid context is undefined.\r
+\r
+ If Sha384Context is NULL, then return FALSE.\r
+\r
+ @param[in, out] Sha384Context Pointer to the SHA-384 context.\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
+\r
+ @retval TRUE SHA-384 data digest succeeded.\r
+ @retval FALSE SHA-384 data digest failed.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha384Update (\r
+ IN OUT VOID *Sha384Context,\r
+ IN CONST VOID *Data,\r
+ IN UINTN DataSize\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha384Context == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Check invalid parameters, in case that only DataLength was checked in OpenSSL\r
+ //\r
+ if (Data == NULL && DataSize != 0) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // OpenSSL SHA-384 Hash Update\r
+ //\r
+ return (BOOLEAN) (SHA384_Update ((SHA512_CTX *) Sha384Context, Data, DataSize));\r
+}\r
+\r
+/**\r
+ Completes computation of the SHA-384 digest value.\r
+\r
+ This function completes SHA-384 hash computation and retrieves the digest value into\r
+ the specified memory. After this function has been called, the SHA-384 context cannot\r
+ be used again.\r
+ SHA-384 context should be already correctly intialized by Sha384Init(), and should not be\r
+ finalized by Sha384Final(). Behavior with invalid SHA-384 context is undefined.\r
+\r
+ If Sha384Context is NULL, then return FALSE.\r
+ If HashValue is NULL, then return FALSE.\r
+\r
+ @param[in, out] Sha384Context Pointer to the SHA-384 context.\r
+ @param[out] HashValue Pointer to a buffer that receives the SHA-384 digest\r
+ value (48 bytes).\r
+\r
+ @retval TRUE SHA-384 digest computation succeeded.\r
+ @retval FALSE SHA-384 digest computation failed.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha384Final (\r
+ IN OUT VOID *Sha384Context,\r
+ OUT UINT8 *HashValue\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha384Context == NULL || HashValue == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // OpenSSL SHA-384 Hash Finalization\r
+ //\r
+ return (BOOLEAN) (SHA384_Final (HashValue, (SHA512_CTX *) Sha384Context));\r
+}\r
+\r
+/**\r
+ Retrieves the size, in bytes, of the context buffer required for SHA-512 hash operations.\r
+\r
+ @return The size, in bytes, of the context buffer required for SHA-512 hash operations.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+Sha512GetContextSize (\r
+ VOID\r
+ )\r
+{\r
+ //\r
+ // Retrieves OpenSSL SHA-512 Context Size\r
+ //\r
+ return (UINTN) (sizeof (SHA512_CTX));\r
+}\r
+\r
+/**\r
+ Initializes user-supplied memory pointed by Sha512Context as SHA-512 hash context for\r
+ subsequent use.\r
+\r
+ If Sha512Context is NULL, then return FALSE.\r
+\r
+ @param[out] Sha512Context Pointer to SHA-512 context being initialized.\r
+\r
+ @retval TRUE SHA-512 context initialization succeeded.\r
+ @retval FALSE SHA-512 context initialization failed.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha512Init (\r
+ OUT VOID *Sha512Context\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha512Context == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // OpenSSL SHA-512 Context Initialization\r
+ //\r
+ return (BOOLEAN) (SHA512_Init ((SHA512_CTX *) Sha512Context));\r
+}\r
+\r
+/**\r
+ Makes a copy of an existing SHA-512 context.\r
+\r
+ If Sha512Context is NULL, then return FALSE.\r
+ If NewSha512Context is NULL, then return FALSE.\r
+ If this interface is not supported, then return FALSE.\r
+\r
+ @param[in] Sha512Context Pointer to SHA-512 context being copied.\r
+ @param[out] NewSha512Context Pointer to new SHA-512 context.\r
+\r
+ @retval TRUE SHA-512 context copy succeeded.\r
+ @retval FALSE SHA-512 context copy failed.\r
+ @retval FALSE This interface is not supported.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha512Duplicate (\r
+ IN CONST VOID *Sha512Context,\r
+ OUT VOID *NewSha512Context\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha512Context == NULL || NewSha512Context == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ CopyMem (NewSha512Context, Sha512Context, sizeof (SHA512_CTX));\r
+\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Digests the input data and updates SHA-512 context.\r
+\r
+ This function performs SHA-512 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-512 context should be already correctly intialized by Sha512Init(), and should not be finalized\r
+ by Sha512Final(). Behavior with invalid context is undefined.\r
+\r
+ If Sha512Context is NULL, then return FALSE.\r
+\r
+ @param[in, out] Sha512Context Pointer to the SHA-512 context.\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
+\r
+ @retval TRUE SHA-512 data digest succeeded.\r
+ @retval FALSE SHA-512 data digest failed.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha512Update (\r
+ IN OUT VOID *Sha512Context,\r
+ IN CONST VOID *Data,\r
+ IN UINTN DataSize\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha512Context == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Check invalid parameters, in case that only DataLength was checked in OpenSSL\r
+ //\r
+ if (Data == NULL && DataSize != 0) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // OpenSSL SHA-512 Hash Update\r
+ //\r
+ return (BOOLEAN) (SHA512_Update ((SHA512_CTX *) Sha512Context, Data, DataSize));\r
+}\r
+\r
+/**\r
+ Completes computation of the SHA-512 digest value.\r
+\r
+ This function completes SHA-512 hash computation and retrieves the digest value into\r
+ the specified memory. After this function has been called, the SHA-512 context cannot\r
+ be used again.\r
+ SHA-512 context should be already correctly intialized by Sha512Init(), and should not be\r
+ finalized by Sha512Final(). Behavior with invalid SHA-512 context is undefined.\r
+\r
+ If Sha512Context is NULL, then return FALSE.\r
+ If HashValue is NULL, then return FALSE.\r
+\r
+ @param[in, out] Sha512Context Pointer to the SHA-512 context.\r
+ @param[out] HashValue Pointer to a buffer that receives the SHA-512 digest\r
+ value (64 bytes).\r
+\r
+ @retval TRUE SHA-512 digest computation succeeded.\r
+ @retval FALSE SHA-512 digest computation failed.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+Sha512Final (\r
+ IN OUT VOID *Sha512Context,\r
+ OUT UINT8 *HashValue\r
+ )\r
+{\r
+ //\r
+ // Check input parameters.\r
+ //\r
+ if (Sha512Context == NULL || HashValue == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // OpenSSL SHA-512 Hash Finalization\r
+ //\r
+ return (BOOLEAN) (SHA384_Final (HashValue, (SHA512_CTX *) Sha512Context));\r
+}\r
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