cast128.h

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/*
 * cast128.h
 *
 * CAST-128 Header
 *
 * Copyright 2019-2024 DigiCert, Inc. All Rights Reserved.
 * Proprietary and Confidential Material.
 *
 */

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

#ifndef __CAST128_HEADER__
#define __CAST128_HEADER__

#ifdef __cplusplus
extern "C" {
#endif

#define CAST128_BLOCK_SIZE      (8)


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

typedef struct {
    ubyte4 xkey[32]; /* key */
    sbyte4 rounds;
} cast128_ctx;

#ifdef __ENABLE_CAST128_CIPHER__

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

MOC_EXTERN MSTATUS CAST128_initKey(cast128_ctx *pCtx, const ubyte *pKey, sbyte4 keyLen);

MOC_EXTERN MSTATUS CAST128_encryptBlock(cast128_ctx *pCtx, 
                                        ubyte inblock[/*CAST128_BLOCK_SIZE*/],
                                        ubyte outblock[/*CAST128_BLOCK_SIZE*/]);

MOC_EXTERN MSTATUS CAST128_decryptBlock(cast128_ctx *pCtx, 
                                        ubyte inblock[/*CAST128_BLOCK_SIZE*/],
                                        ubyte outblock[/*CAST128_BLOCK_SIZE*/]);

MOC_EXTERN BulkCtx CreateCast128Ctx(MOC_SYM(hwAccelDescr hwAccelCtx) const ubyte* keyMaterial, sbyte4 keyLength, sbyte4 encrypt);

MOC_EXTERN MSTATUS DeleteCast128Ctx(MOC_SYM(hwAccelDescr hwAccelCtx) BulkCtx* ctx);

MOC_EXTERN MSTATUS DoCast128(MOC_SYM(hwAccelDescr hwAccelCtx) BulkCtx ctx, ubyte* data, sbyte4 dataLength, sbyte4 encrypt, ubyte* iv);
#endif /* __ENABLE_CAST128_CIPHER__ */

#ifdef __cplusplus
}
#endif

#endif /* __CAST128_HEADER__ */