CryptoPkg: Apply uncrustify changes

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / Kdf / CryptHkdf.c

/** @file\r
  HMAC-SHA256 KDF Wrapper Implementation over OpenSSL.\r
\r
Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/BaseCryptLib.h>\r
#include <openssl/evp.h>\r
#include <openssl/kdf.h>\r
\r
/**\r
  Derive HMAC-based Extract-and-Expand Key Derivation Function (HKDF).\r
\r
  @param[in]   Key              Pointer to the user-supplied key.\r
  @param[in]   KeySize          Key size in bytes.\r
  @param[in]   Salt             Pointer to the salt(non-secret) value.\r
  @param[in]   SaltSize         Salt size in bytes.\r
  @param[in]   Info             Pointer to the application specific info.\r
  @param[in]   InfoSize         Info size in bytes.\r
  @param[out]  Out              Pointer to buffer to receive hkdf value.\r
  @param[in]   OutSize          Size of hkdf bytes to generate.\r
\r
  @retval TRUE   Hkdf generated successfully.\r
  @retval FALSE  Hkdf generation failed.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
HkdfSha256ExtractAndExpand (\r
  IN   CONST UINT8  *Key,\r
  IN   UINTN        KeySize,\r
  IN   CONST UINT8  *Salt,\r
  IN   UINTN        SaltSize,\r
  IN   CONST UINT8  *Info,\r
  IN   UINTN        InfoSize,\r
  OUT  UINT8        *Out,\r
  IN   UINTN        OutSize\r
  )\r
{\r
  EVP_PKEY_CTX  *pHkdfCtx;\r
  BOOLEAN       Result;\r
\r
  if ((Key == NULL) || (Salt == NULL) || (Info == NULL) || (Out == NULL) ||\r
      (KeySize > INT_MAX) || (SaltSize > INT_MAX) || (InfoSize > INT_MAX) || (OutSize > INT_MAX))\r
  {\r
    return FALSE;\r
  }\r
\r
  pHkdfCtx = EVP_PKEY_CTX_new_id (EVP_PKEY_HKDF, NULL);\r
  if (pHkdfCtx == NULL) {\r
    return FALSE;\r
  }\r
\r
  Result = EVP_PKEY_derive_init (pHkdfCtx) > 0;\r
  if (Result) {\r
    Result = EVP_PKEY_CTX_set_hkdf_md (pHkdfCtx, EVP_sha256 ()) > 0;\r
  }\r
\r
  if (Result) {\r
    Result = EVP_PKEY_CTX_set1_hkdf_salt (pHkdfCtx, Salt, (UINT32)SaltSize) > 0;\r
  }\r
\r
  if (Result) {\r
    Result = EVP_PKEY_CTX_set1_hkdf_key (pHkdfCtx, Key, (UINT32)KeySize) > 0;\r
  }\r
\r
  if (Result) {\r
    Result = EVP_PKEY_CTX_add1_hkdf_info (pHkdfCtx, Info, (UINT32)InfoSize) > 0;\r
  }\r
\r
  if (Result) {\r
    Result = EVP_PKEY_derive (pHkdfCtx, Out, &OutSize) > 0;\r
  }\r
\r
  EVP_PKEY_CTX_free (pHkdfCtx);\r
  pHkdfCtx = NULL;\r
  return Result;\r
}\r