#ifndef _CRYPTO_DES_H
#define _CRYPTO_DES_H
#ifdef __cplusplus
extern "C" {
#endif
#include <corecrypto/ccmode.h>
#include <corecrypto/ccdes.h>
#include <corecrypto/ccn.h>
#define DES_LONG u_int32_t
typedef unsigned char des_cblock[8];
#define DES_ECB_CTX_MAX_SIZE (64*4)
#define DES_CBC_CTX_MAX_SIZE (ccn_sizeof_size(sizeof(struct ccmode_ecb)) + ccn_sizeof_size(CCDES_BLOCK_SIZE) + ccn_sizeof_size(DES_ECB_CTX_MAX_SIZE))
#define DES3_ECB_CTX_MAX_SIZE (64*4*3)
#define DES3_CBC_CTX_MAX_SIZE (ccn_sizeof_size(sizeof(struct ccmode_ecb)) + ccn_sizeof_size(CCDES_BLOCK_SIZE) + ccn_sizeof_size(DES3_ECB_CTX_MAX_SIZE))
typedef struct{
ccecb_ctx_decl(DES_ECB_CTX_MAX_SIZE, enc);
ccecb_ctx_decl(DES_ECB_CTX_MAX_SIZE, dec);
} des_ecb_key_schedule;
typedef struct{
cccbc_ctx_decl(DES_CBC_CTX_MAX_SIZE, enc);
cccbc_ctx_decl(DES_CBC_CTX_MAX_SIZE, dec);
} des_cbc_key_schedule;
typedef struct{
ccecb_ctx_decl(DES3_ECB_CTX_MAX_SIZE, enc);
ccecb_ctx_decl(DES3_ECB_CTX_MAX_SIZE, dec);
} des3_ecb_key_schedule;
typedef struct{
cccbc_ctx_decl(DES3_CBC_CTX_MAX_SIZE, enc);
cccbc_ctx_decl(DES3_CBC_CTX_MAX_SIZE, dec);
} des3_cbc_key_schedule;
typedef des_ecb_key_schedule des_key_schedule[1];
#define des_set_key des_ecb_key_sched
#define DES_ENCRYPT 1
#define DES_DECRYPT 0
int des_ecb_key_sched(des_cblock *key, des_ecb_key_schedule *ks);
void des_ecb_encrypt(des_cblock *in, des_cblock *out, des_ecb_key_schedule *ks, int encrypt);
int des3_ecb_key_sched(des_cblock *key, des3_ecb_key_schedule *ks);
void des3_ecb_encrypt(des_cblock *block, des_cblock *, des3_ecb_key_schedule *ks, int encrypt);
int des_cbc_key_sched(des_cblock *key, des_cbc_key_schedule *ks);
void des_cbc_encrypt(des_cblock *in, des_cblock *out, int32_t len,
des_cbc_key_schedule *ks, des_cblock *iv, des_cblock *retiv, int encrypt);
int des3_cbc_key_sched(des_cblock *key, des3_cbc_key_schedule *ks);
void des3_cbc_encrypt(des_cblock *in, des_cblock *out, int32_t len,
des3_cbc_key_schedule *ks, des_cblock *iv, des_cblock *retiv, int encrypt);
void des_cbc_cksum(des_cblock *in, des_cblock *out, int len, des_cbc_key_schedule *ks);
void des_fixup_key_parity(des_cblock *key);
int des_is_weak_key(des_cblock *key);
#ifdef __cplusplus
}
#endif
#endif