From bbfd2ab18f52600aa41f061b2da9a2afe2a9d6ac Mon Sep 17 00:00:00 2001
From: Mathieu Trudel-Lapierre <cyphermox@ubuntu.com>
Date: Fri, 4 Aug 2017 12:10:50 -0400
Subject: Import Upstream version 0.9+1474479173.6c180c6

---
 Cryptlib/Hash/CryptMd5.c | 185 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 185 insertions(+)
 create mode 100644 Cryptlib/Hash/CryptMd5.c

(limited to 'Cryptlib/Hash/CryptMd5.c')

diff --git a/Cryptlib/Hash/CryptMd5.c b/Cryptlib/Hash/CryptMd5.c
new file mode 100644
index 00000000..e1c10e34
--- /dev/null
+++ b/Cryptlib/Hash/CryptMd5.c
@@ -0,0 +1,185 @@
+/** @file
+  MD5 Digest Wrapper Implementation over OpenSSL.
+
+Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalCryptLib.h"
+#include <openssl/md5.h>
+
+
+/**
+  Retrieves the size, in bytes, of the context buffer required for MD5 hash operations.
+
+  @return  The size, in bytes, of the context buffer required for MD5 hash operations.
+
+**/
+UINTN
+EFIAPI
+Md5GetContextSize (
+  VOID
+  )
+{
+  //
+  // Retrieves the OpenSSL MD5 Context Size
+  //
+  return (UINTN) (sizeof (MD5_CTX));
+}
+
+
+/**
+  Initializes user-supplied memory pointed by Md5Context as MD5 hash context for
+  subsequent use.
+
+  If Md5Context is NULL, then return FALSE.
+
+  @param[out]  Md5Context  Pointer to MD5 context being initialized.
+
+  @retval TRUE   MD5 context initialization succeeded.
+  @retval FALSE  MD5 context initialization failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md5Init (
+  OUT  VOID  *Md5Context
+  )
+{
+  //
+  // Check input parameters.
+  //
+  if (Md5Context == NULL) {
+    return FALSE;
+  }
+
+  //
+  // OpenSSL MD5 Context Initialization
+  //
+  return (BOOLEAN) (MD5_Init ((MD5_CTX *) Md5Context));
+}
+
+/**
+  Makes a copy of an existing MD5 context.
+
+  If Md5Context is NULL, then return FALSE.
+  If NewMd5Context is NULL, then return FALSE.
+
+  @param[in]  Md5Context     Pointer to MD5 context being copied.
+  @param[out] NewMd5Context  Pointer to new MD5 context.
+
+  @retval TRUE   MD5 context copy succeeded.
+  @retval FALSE  MD5 context copy failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md5Duplicate (
+  IN   CONST VOID  *Md5Context,
+  OUT  VOID        *NewMd5Context
+  )
+{
+  //
+  // Check input parameters.
+  //
+  if (Md5Context == NULL || NewMd5Context == NULL) {
+    return FALSE;
+  }
+
+  CopyMem (NewMd5Context, Md5Context, sizeof (MD5_CTX));
+
+  return TRUE;
+}
+
+/**
+  Digests the input data and updates MD5 context.
+
+  This function performs MD5 digest on a data buffer of the specified size.
+  It can be called multiple times to compute the digest of long or discontinuous data streams.
+  MD5 context should be already correctly intialized by Md5Init(), and should not be finalized
+  by Md5Final(). Behavior with invalid context is undefined.
+
+  If Md5Context is NULL, then return FALSE.
+
+  @param[in, out]  Md5Context  Pointer to the MD5 context.
+  @param[in]       Data        Pointer to the buffer containing the data to be hashed.
+  @param[in]       DataSize    Size of Data buffer in bytes.
+
+  @retval TRUE   MD5 data digest succeeded.
+  @retval FALSE  MD5 data digest failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md5Update (
+  IN OUT  VOID        *Md5Context,
+  IN      CONST VOID  *Data,
+  IN      UINTN       DataSize
+  )
+{
+  //
+  // Check input parameters.
+  //
+  if (Md5Context == NULL) {
+    return FALSE;
+  }
+
+  //
+  // Check invalid parameters, in case that only DataLength was checked in OpenSSL
+  //
+  if (Data == NULL && (DataSize != 0)) {
+    return FALSE;
+  }
+
+  //
+  // OpenSSL MD5 Hash Update
+  //
+  return (BOOLEAN) (MD5_Update ((MD5_CTX *) Md5Context, Data, DataSize));
+}
+
+/**
+  Completes computation of the MD5 digest value.
+
+  This function completes MD5 hash computation and retrieves the digest value into
+  the specified memory. After this function has been called, the MD5 context cannot
+  be used again.
+  MD5 context should be already correctly intialized by Md5Init(), and should not be
+  finalized by Md5Final(). Behavior with invalid MD5 context is undefined.
+
+  If Md5Context is NULL, then return FALSE.
+  If HashValue is NULL, then return FALSE.
+
+  @param[in, out]  Md5Context  Pointer to the MD5 context.
+  @param[out]      HashValue   Pointer to a buffer that receives the MD5 digest
+                               value (16 bytes).
+
+  @retval TRUE   MD5 digest computation succeeded.
+  @retval FALSE  MD5 digest computation failed.
+
+**/
+BOOLEAN
+EFIAPI
+Md5Final (
+  IN OUT  VOID   *Md5Context,
+  OUT     UINT8  *HashValue
+  )
+{
+  //
+  // Check input parameters.
+  //
+  if (Md5Context == NULL || HashValue == NULL) {
+    return FALSE;
+  }
+
+  //
+  // OpenSSL MD5 Hash Finalization
+  //
+  return (BOOLEAN) (MD5_Final (HashValue, (MD5_CTX *) Md5Context));
+}
-- 
cgit v1.2.3