three_des.h

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/*
 * three_des.h
 *
 * 3DES Header
 *
 * Copyright 2019-2024 DigiCert, Inc. All Rights Reserved.
 * Proprietary and Confidential Material.
 *
 */

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

#ifndef __3DES_HEADER__
#define __3DES_HEADER__

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

#ifdef __ENABLE_MOCANA_CRYPTO_INTERFACE__
#include "../crypto_interface/crypto_interface_tdes_priv.h"
#endif

#ifdef __cplusplus
extern "C" {
#endif

#define THREE_DES_BLOCK_SIZE        (8)
#define THREE_DES_KEY_LENGTH        (24)


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

/* IMPORTANT: if the size of ctx3des is modified be sure to modify
   MOC_RAND_CTX_WRAPPER_STORAGE_SIZE appropriately in random.h
 */

typedef struct
{
    des_ctx firstKey;
    des_ctx secondKey;
    des_ctx thirdKey;
    MocSymCtx pMocSymCtx;
    ubyte4 enabled;
} ctx3des;

typedef struct
{
    ctx3des encryptKey;
    ctx3des decryptKey;
    MocSymCtx pMocSymCtx;
    ubyte4 initialized;
    ubyte4 enabled;
} DES3Ctx;


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

/* for white box testing */
MOC_EXTERN MSTATUS THREE_DES_initKey(ctx3des *p_3desContext, const ubyte *pKey, sbyte4 keyLen);
MOC_EXTERN MSTATUS THREE_DES_encipher(ctx3des *p_3desContext, ubyte *pSrc, ubyte *pDest, ubyte4 numBytes);
MOC_EXTERN MSTATUS THREE_DES_decipher(ctx3des *p_3desContext, ubyte *pSrc, ubyte *pDest, ubyte4 numBytes);
MOC_EXTERN MSTATUS THREE_DES_clearKey(ctx3des *p_3desContext);

/* actual APIs */
#ifndef __DISABLE_3DES_CIPHERS__

MOC_EXTERN BulkCtx Create3DESCtx(MOC_SYM(hwAccelDescr hwAccelCtx) ubyte* keyMaterial, sbyte4 keyLength, sbyte4 encrypt);

MOC_EXTERN BulkCtx Create2Key3DESCtx(MOC_SYM(hwAccelDescr hwAccelCtx) ubyte* keyMaterial, sbyte4 keyLength, sbyte4 encrypt);

MOC_EXTERN MSTATUS Reset3DESCtx(MOC_SYM(hwAccelDescr hwAccelCtx) BulkCtx *ctx);
MOC_EXTERN MSTATUS Delete3DESCtx(MOC_SYM(hwAccelDescr hwAccelCtx) BulkCtx *ctx);

MOC_EXTERN MSTATUS Do3DES(MOC_SYM(hwAccelDescr hwAccelCtx) BulkCtx ctx, ubyte* data, sbyte4 dataLength, sbyte4 encrypt, ubyte* iv);

MOC_EXTERN MSTATUS Clone3DESCtx (MOC_SYM(hwAccelDescr hwAccelCtx) BulkCtx pCtx, BulkCtx *ppNewCtx);

MOC_EXTERN MSTATUS Do3DesCbcWithPkcs5Pad (
  MOC_SYM(hwAccelDescr hwAccelCtx)
  BulkCtx ctx,
  ubyte *pDataToProcess,
  ubyte4 dataLength,
  ubyte *pProcessedData,
  ubyte4 bufferSize,
  ubyte4 *pProcessedDataLen,
  sbyte4 encryptFlag,
  ubyte *pInitVector
  );
#endif

#ifdef __cplusplus
}
#endif

#endif /* __3DES_HEADER__ */