hi_des_api.h

嵌入式linux系统下hi3510平台的osd开发源码

/*
 * extdrv/crypto/des/hi_des_api.h for Linux .
 *
 * History: 
 *      10-Jun-2006 create this file
 *
 *
 */
#ifndef __HI_DES_API_H__
#define __HI_DES_API_H__



/*DES control value macro definition*/
#define  DES_SET_KEY             0xAA000000  
#define  DES_SET_IV				 0xBB000000 
#define  DES_SET_M				 0xCC000000 
#define  DES_SET_START			 0xDD000000 
#define  DES_GET_DATA			 0xEE000000 

#define  DES_ALGO_DES			 0x00000000 
#define  DES_ALGO_3DES			 0x00000001
 
#define  DES_MODE_CRYPT			 0x00000000
#define  DES_MODE_DECRYPT		 0x00000002

#define  DES_MODE_ECB    		 0x00000000
#define  DES_MODE_CBC    		 0x00000004
#define  DES_MODE_CFB    		 0x00000008
#define  DES_MODE_OFB    		 0x0000000C

#define  DES_SHIFT_BIT64   		 0x00000000
#define  DES_SHIFT_BIT8   		 0x00000010
#define  DES_SHIFT_BIT1   		 0x00000020

#define  DES_KEYENDIAN_LITTLE 	 0x00000000
#define  DES_KEYENDIAN_BIG   	 0x00000040




struct keys{
unsigned char   keys1[8];
unsigned char   keys2[8];
unsigned char   keys3[8];
};

 
struct outtrans{
unsigned char  outtrans[8];
unsigned char  ivouttrans[8];
};

struct des_encrypt_ctrl
{
    int des_endian;   /* 0:little endian  1:big endian */
    int des_shift;    /* 1:8bit shift   2:1bit shift  0/3:64bit shift */
    int des_type;     /* 0:ECB mode  1:CBC mode  2:CFB mode  3:OFB mode */
    int des_alg;      /* 0:des operation  1:3des operation */
    unsigned char iv[8];
}des_encrypt_ctrl;

int hi_des_init( );
int hi_des_exit();
int hi_des_config(struct des_encrypt_ctrl *pctrl);
int hi_des_crypt(unsigned char  * src,unsigned char * dest,unsigned int byte_length,struct keys *pcipher);
int hi_des_decrypt(unsigned char * src,unsigned char  * dest,unsigned int byte_length,struct keys *pcipher);
#endif