ecc_edwards_keys.h

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/*
 * ecc_edwards_keys.h
 *
 * Header for Edward's Curve key operations.
 *
 * Copyright 2019-2024 DigiCert, Inc. All Rights Reserved.
 * Proprietary and Confidential Material.
 *
 */

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

#ifndef __ECC_EDWARDS_KEYS_HEADER__
#define __ECC_EDWARDS_KEYS_HEADER__

/* Macros for the desired sha output lengths */
#define MOC_EDDSA_SHA512_LEN 64
#define MOC_EDDSA_SHAKE256_LEN 114

#include "../crypto/crypto.h"
#include "../common/random.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef enum
{
    curveX25519 = 0,  /* edDH */
    curveX448 = 1,
    curveEd25519 = 2, /* edDSA */
    curveEd448 = 3

} edECCCurve;

typedef struct edECCKey
{
    intBoolean isPrivate;
    ubyte *pPrivKey;
    ubyte *pPubKey;
    edECCCurve curve;

} edECCKey;

MOC_EXTERN MSTATUS edECC_newKey(edECCKey **ppKey, edECCCurve curve, void *pExtCtx);


MOC_EXTERN MSTATUS edECC_getKeyLen(edECCKey *pKey, ubyte4 *pKeyLen, void *pExtCtx);


MOC_EXTERN MSTATUS edECC_equalKey(edECCKey *pKey1, edECCKey *pKey2, byteBoolean *pMatch, void *pExtCtx);


MOC_EXTERN MSTATUS edECC_cloneKey(edECCKey **ppNew, edECCKey *pSrc, void *pExtCtx);

MOC_EXTERN MSTATUS edECC_generateKeyPair(MOC_ECC(hwAccelDescr hwAccelCtx) edECCKey *pKey, RNGFun rngFun, void *pRngArg, BulkHashAlgo *pShaSuite, void *pExtCtx);


MOC_EXTERN MSTATUS edECC_setKeyParameters(MOC_ECC(hwAccelDescr hwAccelCtx) edECCKey *pKey, ubyte *pPubKey, ubyte4 pubKeyLen, ubyte *pPrivKey, ubyte4 privKeyLen, BulkHashAlgo *pShaSuite, void *pExtCtx);


MOC_EXTERN MSTATUS edECC_getKeyParametersAlloc(MOC_ECC(hwAccelDescr hwAccelCtx) edECCKey *pKey, ubyte **ppPubKey, ubyte4 *pPubLen, ubyte **ppPrivKey, ubyte4 *pPrivLen, void *pExtCtx);


MOC_EXTERN MSTATUS edECC_validateKey(MOC_ECC(hwAccelDescr hwAccelCtx) edECCKey *pKey, BulkHashAlgo *pShaSuite, void *pExtCtx);


MOC_EXTERN MSTATUS edECC_getPublicKey(MOC_ECC(hwAccelDescr hwAccelCtx) edECCKey *pKey, ubyte *pOutBuffer, ubyte4 bufferLen, void *pExtCtx);

MOC_EXTERN MSTATUS edECC_calculatePubFromPriv(MOC_ECC(hwAccelDescr hwAccelCtx) ubyte *pPub, ubyte *pPriv, edECCCurve curve, BulkHashAlgo *pShaSuite, byteBoolean isShaEvp);

MOC_EXTERN MSTATUS edECC_deleteKey(edECCKey **ppKey, void *pExtCtx);

#ifdef __cplusplus
}
#endif

#endif /* __ECC_EDWARDS_KEYS_HEADER__ */