CryptoPkg/BaseCryptLib: remove HmacXxxGetContextSize interface

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / Hmac / CryptHmacMd5.c

/** @file\r
  HMAC-MD5 Wrapper Implementation over OpenSSL.\r
\r
Copyright (c) 2010 - 2020, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "InternalCryptLib.h"\r
#include <openssl/hmac.h>\r
\r
/**\r
  Allocates and initializes one HMAC_CTX context for subsequent HMAC-MD5 use.\r
\r
  @return  Pointer to the HMAC_CTX context that has been initialized.\r
           If the allocations fails, HmacMd5New() returns NULL.\r
\r
**/\r
VOID *\r
EFIAPI\r
HmacMd5New (\r
  VOID\r
  )\r
{\r
  //\r
  // Allocates & Initializes HMAC_CTX Context by OpenSSL HMAC_CTX_new()\r
  //\r
  return (VOID *) HMAC_CTX_new ();\r
}\r
\r
/**\r
  Release the specified HMAC_CTX context.\r
\r
  @param[in]  HmacMd5Ctx  Pointer to the HMAC_CTX context to be released.\r
\r
**/\r
VOID\r
EFIAPI\r
HmacMd5Free (\r
  IN  VOID  *HmacMd5Ctx\r
  )\r
{\r
  //\r
  // Free OpenSSL HMAC_CTX Context\r
  //\r
  HMAC_CTX_free ((HMAC_CTX *)HmacMd5Ctx);\r
}\r
\r
/**\r
  Set user-supplied key for subsequent use. It must be done before any\r
  calling to HmacMd5Update().\r
\r
  If HmacMd5Context is NULL, then return FALSE.\r
\r
  @param[out]  HmacMd5Context  Pointer to HMAC-MD5 context.\r
  @param[in]   Key             Pointer to the user-supplied key.\r
  @param[in]   KeySize         Key size in bytes.\r
\r
  @retval TRUE   Key is set successfully.\r
  @retval FALSE  Key is set unsuccessfully.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
HmacMd5SetKey (\r
  OUT  VOID         *HmacMd5Context,\r
  IN   CONST UINT8  *Key,\r
  IN   UINTN        KeySize\r
  )\r
{\r
  //\r
  // Check input parameters.\r
  //\r
  if (HmacMd5Context == NULL || KeySize > INT_MAX) {\r
    return FALSE;\r
  }\r
\r
  if (HMAC_Init_ex ((HMAC_CTX *)HmacMd5Context, Key, (UINT32) KeySize, EVP_md5(), NULL) != 1) {\r
    return FALSE;\r
  }\r
\r
  return TRUE;\r
}\r
\r
/**\r
  Makes a copy of an existing HMAC-MD5 context.\r
\r
  If HmacMd5Context is NULL, then return FALSE.\r
  If NewHmacMd5Context is NULL, then return FALSE.\r
\r
  @param[in]  HmacMd5Context     Pointer to HMAC-MD5 context being copied.\r
  @param[out] NewHmacMd5Context  Pointer to new HMAC-MD5 context.\r
\r
  @retval TRUE   HMAC-MD5 context copy succeeded.\r
  @retval FALSE  HMAC-MD5 context copy failed.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
HmacMd5Duplicate (\r
  IN   CONST VOID  *HmacMd5Context,\r
  OUT  VOID        *NewHmacMd5Context\r
  )\r
{\r
  //\r
  // Check input parameters.\r
  //\r
  if (HmacMd5Context == NULL || NewHmacMd5Context == NULL) {\r
    return FALSE;\r
  }\r
\r
  if (HMAC_CTX_copy ((HMAC_CTX *)NewHmacMd5Context, (HMAC_CTX *)HmacMd5Context) != 1) {\r
    return FALSE;\r
  }\r
\r
  return TRUE;\r
}\r
\r
/**\r
  Digests the input data and updates HMAC-MD5 context.\r
\r
  This function performs HMAC-MD5 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
  HMAC-MD5 context should be initialized by HmacMd5New(), and should not be finalized by\r
  HmacMd5Final(). Behavior with invalid context is undefined.\r
\r
  If HmacMd5Context is NULL, then return FALSE.\r
\r
  @param[in, out]  HmacMd5Context  Pointer to the HMAC-MD5 context.\r
  @param[in]       Data            Pointer to the buffer containing the data to be digested.\r
  @param[in]       DataSize        Size of Data buffer in bytes.\r
\r
  @retval TRUE   HMAC-MD5 data digest succeeded.\r
  @retval FALSE  HMAC-MD5 data digest failed.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
HmacMd5Update (\r
  IN OUT  VOID        *HmacMd5Context,\r
  IN      CONST VOID  *Data,\r
  IN      UINTN       DataSize\r
  )\r
{\r
  //\r
  // Check input parameters.\r
  //\r
  if (HmacMd5Context == 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 HMAC-MD5 digest update\r
  //\r
  if (HMAC_Update ((HMAC_CTX *)HmacMd5Context, Data, DataSize) != 1) {\r
    return FALSE;\r
  }\r
\r
  return TRUE;\r
}\r
\r
/**\r
  Completes computation of the HMAC-MD5 digest value.\r
\r
  This function completes HMAC-MD5 digest computation and retrieves the digest value into\r
  the specified memory. After this function has been called, the HMAC-MD5 context cannot\r
  be used again.\r
  HMAC-MD5 context should be initialized by HmacMd5New(), and should not be finalized by\r
  HmacMd5Final(). Behavior with invalid HMAC-MD5 context is undefined.\r
\r
  If HmacMd5Context is NULL, then return FALSE.\r
  If HmacValue is NULL, then return FALSE.\r
\r
  @param[in, out]  HmacMd5Context  Pointer to the HMAC-MD5 context.\r
  @param[out]      HmacValue       Pointer to a buffer that receives the HMAC-MD5 digest\r
                                   value (16 bytes).\r
\r
  @retval TRUE   HMAC-MD5 digest computation succeeded.\r
  @retval FALSE  HMAC-MD5 digest computation failed.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
HmacMd5Final (\r
  IN OUT  VOID   *HmacMd5Context,\r
  OUT     UINT8  *HmacValue\r
  )\r
{\r
  UINT32  Length;\r
\r
  //\r
  // Check input parameters.\r
  //\r
  if (HmacMd5Context == NULL || HmacValue == NULL) {\r
    return FALSE;\r
  }\r
\r
  //\r
  // OpenSSL HMAC-MD5 digest finalization\r
  //\r
  if (HMAC_Final ((HMAC_CTX *)HmacMd5Context, HmacValue, &Length) != 1) {\r
    return FALSE;\r
  }\r
  if (HMAC_CTX_reset ((HMAC_CTX *)HmacMd5Context) != 1) {\r
    return FALSE;\r
  }\r
\r
  return TRUE;\r
}\r