linux-sgx-trts-modified/external/crypto_px/sources/ippcp/src/pcphmac.h

/*
* Copyright (C) 2016 Intel Corporation. All rights reserved.
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* modification, are permitted provided that the following conditions
* are met:
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*   * Redistributions in binary form must reproduce the above copyright
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#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 */