nist_prf.h

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/*
 * nist_prf.h
 *
 * Implementation of the PRFs described in NIST 800-108
 *
 * Copyright 2019-2024 DigiCert, Inc. All Rights Reserved.
 * Proprietary and Confidential Material.
 *
 */

/*------------------------------------------------------------------*/

#ifndef __NIST_PRF_HEADER__
#define __NIST_PRF_HEADER__

#ifdef __cplusplus
extern "C" {
#endif

#ifdef MOC_EXTERN_NIST_PRF_H
#undef MOC_EXTERN_NIST_PRF_H
#endif /* MOC_EXTERN_NIST_PRF_H */

#ifdef __RTOS_WIN32__

#ifdef WIN_EXPORT_CRYPTO
#define MOC_EXTERN_NIST_PRF_H __declspec(dllexport)
#else
#define MOC_EXTERN_NIST_PRF_H __declspec(dllimport) extern 
#endif /* WIN_EXPORT_CRYPTO */

#ifdef WIN_STATIC
#undef MOC_EXTERN_NIST_PRF_H
#define MOC_EXTERN_NIST_PRF_H extern
#endif /* WIN_STATIC */

#else

#define MOC_EXTERN_NIST_PRF_H extern

#endif /* RTOS_WIN32 */

#ifdef MOC_EXTERN_P
#undef MOC_EXTERN_P
#endif /* MOC_EXTERN_P */

#define MOC_EXTERN_P MOC_EXTERN_NIST_PRF_H



/*------------------------------------------------------------------*/

/*  Function prototypes  */

/* This are the function that must be implemented by the PRF -- see example for HMAC and CMAC */

typedef MSTATUS (*PRFOutputSizeFunc)(MOC_SYM(hwAccelDescr hwAccelCtx) void *ctx, ubyte4* size);

typedef MSTATUS (*PRFUpdateFunc)(MOC_SYM(hwAccelDescr hwAccelCtx) void *ctx, const ubyte *data, ubyte4 dataLen);

typedef MSTATUS (*PRFFinalFunc)(MOC_SYM(hwAccelDescr hwAccelCtx) void *ctx, ubyte *result);

typedef struct PRF_NIST_108
{
    PRFOutputSizeFunc   outputSizeFunc;
    PRFUpdateFunc       updateFunc;
    PRFFinalFunc        finalFunc;
} PRF_NIST_108;

MOC_EXTERN_NIST_PRF_H const PRF_NIST_108 NIST_PRF_Hmac;

#if (!defined(__DISABLE_AES_CMAC__))
MOC_EXTERN_NIST_PRF_H const PRF_NIST_108 NIST_PRF_AesCmac;
#endif

#ifdef __cplusplus
}
#endif

#endif /* __NIST_PRF_HEADER__ */