slimbootloader/BootloaderCommonPkg/Library/IppCryptoLib/auth/pcphmac.h

51 lines
1.5 KiB
C

/*******************************************************************************
* Copyright 2002-2020 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
/*
//
// Purpose:
// Cryptography Primitive.
// Hash Message Authentication Code
// Internal Definitions and Internal Functions Prototypes
//
//
*/
#if !defined(_PCP_HMAC_H)
#define _PCP_HMAC_H
#include "pcphash.h"
/*
// HMAC context
*/
struct _cpHMAC {
IppCtxId idCtx; /* HMAC identifier */
Ipp8u ipadKey[MBS_HASH_MAX]; /* inner padding key */
Ipp8u opadKey[MBS_HASH_MAX]; /* outer padding key */
IppsHashState hashCtx; /* hash context */
};
/* accessors */
#define HMAC_CTX_ID(stt) ((stt)->idCtx)
#define HASH_CTX(stt) ((stt)->hashCtx)
#define HMAC_VALID_ID(stt) (HMAC_CTX_ID((stt))==idCtxHMAC)
#define IPAD (0x36) /* inner padding value */
#define OPAD (0x5C) /* outer padding value */
#endif /* _PCP_HMAC_H */