www.pudn.com > RSA-MD2-MD5-source_code.rar > des.h, change:1994-03-26,size:2140b


/* DES.H - header file for DESC.C 
 */ 
 
#ifndef _DES_H_ 
#define _DES_H_ 1 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
typedef struct { 
  UINT4 subkeys[32];                                             /* subkeys */ 
  UINT4 iv[2];                                       /* initializing vector */ 
  UINT4 originalIV[2];                        /* for restarting the context */ 
  int encrypt;                                               /* encrypt flag */ 
} DES_CBC_CTX; 
 
typedef struct { 
  UINT4 subkeys[32];                                             /* subkeys */ 
  UINT4 iv[2];                                       /* initializing vector */ 
  UINT4 inputWhitener[2];                                 /* input whitener */ 
  UINT4 outputWhitener[2];                               /* output whitener */ 
  UINT4 originalIV[2];                        /* for restarting the context */ 
  int encrypt;                                              /* encrypt flag */ 
} DESX_CBC_CTX; 
 
typedef struct { 
  UINT4 subkeys[3][32];                     /* subkeys for three operations */ 
  UINT4 iv[2];                                       /* initializing vector */ 
  UINT4 originalIV[2];                        /* for restarting the context */ 
  int encrypt;                                              /* encrypt flag */ 
} DES3_CBC_CTX; 
 
void DES_CBCInit PROTO_LIST  
  ((DES_CBC_CTX *, unsigned char *, unsigned char *, int)); 
int DES_CBCUpdate PROTO_LIST 
  ((DES_CBC_CTX *, unsigned char *, unsigned char *, unsigned int)); 
void DES_CBCRestart PROTO_LIST ((DES_CBC_CTX *)); 
 
void DESX_CBCInit PROTO_LIST  
  ((DESX_CBC_CTX *, unsigned char *, unsigned char *, int)); 
int DESX_CBCUpdate PROTO_LIST 
  ((DESX_CBC_CTX *, unsigned char *, unsigned char *, unsigned int)); 
void DESX_CBCRestart PROTO_LIST ((DESX_CBC_CTX *)); 
 
void DES3_CBCInit PROTO_LIST  
  ((DES3_CBC_CTX *, unsigned char *, unsigned char *, int)); 
int DES3_CBCUpdate PROTO_LIST 
  ((DES3_CBC_CTX *, unsigned char *, unsigned char *, unsigned int)); 
void DES3_CBCRestart PROTO_LIST ((DES3_CBC_CTX *)); 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif