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/*
//
// Purpose:
// Cryptography Primitive.
// Internal Definitions and
// Internal ng RSA Function Prototypes
//
//
*/
#if !defined(_CP_NG_RSA_H)
#define _CP_NG_RSA_H
#include "pcpbn.h"
#include "pcpmontgomery.h"
#include "pcpngmontexpstuff.h"
struct _cpRSA_public_key {
IppCtxId id; /* key ID */
int maxbitSizeN;
int maxbitSizeE;
int bitSizeN; /* RSA modulus bitsize */
int bitSizeE; /* RSA public exp bitsize */
BNU_CHUNK_T* pDataE; /* public exp */
gsModEngine* pMontN; /* montgomery engine (N) */
};
/* access */
#define RSA_PUB_KEY_MAXSIZE_N(x) ((x)->maxbitSizeN)
#define RSA_PUB_KEY_MAXSIZE_E(x) ((x)->maxbitSizeE)
#define RSA_PUB_KEY_ID(x) ((x)->id)
#define RSA_PUB_KEY_BITSIZE_N(x) ((x)->bitSizeN)
#define RSA_PUB_KEY_BITSIZE_E(x) ((x)->bitSizeE)
#define RSA_PUB_KEY_E(x) ((x)->pDataE)
#define RSA_PUB_KEY_NMONT(x) ((x)->pMontN)
#define RSA_PUB_KEY_VALID_ID(x) (RSA_PUB_KEY_ID((x))==idCtxRSA_PubKey)
#define RSA_PUB_KEY_IS_SET(x) (RSA_PUB_KEY_BITSIZE_N((x))>0)
/* alignment */
#define RSA_PUBLIC_KEY_ALIGNMENT ((int)(sizeof(void*)))
struct _cpRSA_private_key {
IppCtxId id; /* key ID */
int maxbitSizeN;
int maxbitSizeD;
int bitSizeN; /* RSA modulus bitsize */
int bitSizeD; /* RSA private exp bitsize */
int bitSizeP; /* RSA p-factor bitsize */
int bitSizeQ; /* RSA q-factor bitsize */
BNU_CHUNK_T* pDataD; /* private exp */
BNU_CHUNK_T* pDataDp; /* dp private exp */
BNU_CHUNK_T* pDataDq; /* dq private exp */
BNU_CHUNK_T* pDataQinv; /* qinv coeff */
gsModEngine* pMontP; /* montgomery engine (P) */
gsModEngine* pMontQ; /* montgomery engine (Q) */
gsModEngine* pMontN; /* montgomery engine (N) */
};
/* access */
#define RSA_PRV_KEY_MAXSIZE_N(x) ((x)->maxbitSizeN)
#define RSA_PRV_KEY_MAXSIZE_D(x) ((x)->maxbitSizeD)
#define RSA_PRV_KEY_ID(x) ((x)->id)
#define RSA_PRV_KEY_BITSIZE_N(x) ((x)->bitSizeN)
#define RSA_PRV_KEY_BITSIZE_D(x) ((x)->bitSizeD)
#define RSA_PRV_KEY_BITSIZE_P(x) ((x)->bitSizeP)
#define RSA_PRV_KEY_BITSIZE_Q(x) ((x)->bitSizeQ)
#define RSA_PRV_KEY_D(x) ((x)->pDataD)
#define RSA_PRV_KEY_DP(x) ((x)->pDataDp)
#define RSA_PRV_KEY_DQ(x) ((x)->pDataDq)
#define RSA_PRV_KEY_INVQ(x) ((x)->pDataQinv)
#define RSA_PRV_KEY_PMONT(x) ((x)->pMontP)
#define RSA_PRV_KEY_QMONT(x) ((x)->pMontQ)
#define RSA_PRV_KEY_NMONT(x) ((x)->pMontN)
#define RSA_PRV_KEY1_VALID_ID(x) (RSA_PRV_KEY_ID((x))==idCtxRSA_PrvKey1)
#define RSA_PRV_KEY2_VALID_ID(x) (RSA_PRV_KEY_ID((x))==idCtxRSA_PrvKey2)
#define RSA_PRV_KEY_VALID_ID(x) (RSA_PRV_KEY1_VALID_ID((x)) || RSA_PRV_KEY2_VALID_ID((x)))
#define RSA_PRV_KEY_IS_SET(x) (RSA_PRV_KEY_BITSIZE_N((x))>0)
/* alignment */
#define RSA_PRIVATE_KEY_ALIGNMENT ((int)(sizeof(void*)))
#define MOD_ENGINE_RSA_POOL_SIZE (2)
/*
// Montgomery engine preparation (GetSize/init/Set)
*/
#define rsaMontExpGetSize OWNAPI(rsaMontExpGetSize)
void rsaMontExpGetSize(int length, int* pSize);
/*
// pubic and private key operations
*/
#define gsRSApub_cipher OWNAPI(gsRSApub_cipher)
void gsRSApub_cipher(IppsBigNumState* pY, const IppsBigNumState* pX, const IppsRSAPublicKeyState* pKey, BNU_CHUNK_T* pScratchBuffer);
#define gsRSAprv_cipher OWNAPI(gsRSAprv_cipher)
void gsRSAprv_cipher(IppsBigNumState* pY, const IppsBigNumState* pX, const IppsRSAPrivateKeyState* pKey, BNU_CHUNK_T* pScratchBuffer);
#define gsRSAprv_cipher_crt OWNAPI(gsRSAprv_cipher_crt)
void gsRSAprv_cipher_crt(IppsBigNumState* pY, const IppsBigNumState* pX, const IppsRSAPrivateKeyState* pKey, BNU_CHUNK_T* pScratchBuffer);
#endif /* _CP_NG_RSA_H */