mirror of
https://github.com/MeoProject/lx-music-api-server.git
synced 2025-05-23 19:17:41 +08:00
27 lines
939 B
C
27 lines
939 B
C
#ifndef DES_H
|
|
#define DES_H
|
|
|
|
/*************************** HEADER FILES ***************************/
|
|
#include <stddef.h>
|
|
|
|
/****************************** MACROS ******************************/
|
|
#define DES_BLOCK_SIZE 8 // DES operates on 8 bytes at a time
|
|
|
|
/**************************** DATA TYPES ****************************/
|
|
typedef unsigned char BYTE; // 8-bit byte
|
|
typedef unsigned int WORD; // 32-bit word, change to "long" for 16-bit machines
|
|
|
|
typedef enum {
|
|
DES_ENCRYPT,
|
|
DES_DECRYPT
|
|
} DES_MODE;
|
|
|
|
/*********************** FUNCTION DECLARATIONS **********************/
|
|
void des_key_setup(const BYTE key[], BYTE schedule[][6], DES_MODE mode);
|
|
void des_crypt(const BYTE in[], BYTE out[], const BYTE key[][6]);
|
|
|
|
// void three_des_key_setup(const BYTE key[], BYTE schedule[][16][6], DES_MODE mode);
|
|
// void three_des_crypt(const BYTE in[], BYTE out[], const BYTE key[][16][6]);
|
|
|
|
#endif // DES_H
|