poly1305.h

Go to the documentation of this file.

/*
 * poly1305.h
 *
 * Implementation of the POLY1305 MAC
 *
 * Copyright 2019-2024 DigiCert, Inc. All Rights Reserved.
 * Proprietary and Confidential Material.
 *
 * Adapted from the public domain implementation in
 *  <https://github.com/floodyberry/poly1305-donna>
 */

#ifndef __POLY1305_HEADER__
#define __POLY1305_HEADER__

#include "../cap/capdecl.h"

#if (defined(__ENABLE_MOCANA_CRYPTO_INTERFACE__))
#include "../crypto_interface/crypto_interface_poly1305_priv.h"
#endif

#ifdef __cplusplus
extern "C" {
#endif

#define MOC_POLY1305_STATE_INIT    0xC0DED00D
#define MOC_POLY1305_STATE_UPDATE  0xC0DED00E
#define MOC_POLY1305_STATE_FINAL   0xC0DED00F

typedef struct Poly1305Ctx
{
    ubyte4 aligner;
    ubyte opaque[136];
    ubyte4 state;

    MocSymCtx pMocSymCtx;
    ubyte enabled;
} Poly1305Ctx;


MOC_EXTERN MSTATUS Poly1305Init(MOC_HASH(hwAccelDescr hwAccelCtx) Poly1305Ctx *ctx, const ubyte key[32]);

MOC_EXTERN MSTATUS Poly1305Update(MOC_HASH(hwAccelDescr hwAccelCtx) Poly1305Ctx *ctx, const ubyte *m, ubyte4 bytes);
    
MOC_EXTERN MSTATUS Poly1305Final(MOC_HASH(hwAccelDescr hwAccelCtx) Poly1305Ctx *ctx, ubyte mac[16]);


MOC_EXTERN MSTATUS Poly1305_completeDigest(MOC_HASH(hwAccelDescr hwAccelCtx) ubyte mac[16], const ubyte *m, ubyte4 bytes,
                             const ubyte key[32]);

#ifdef __cplusplus
}
#endif

#endif /* POLY1305_DONNA_H */