s60crypt.c

来自「symbian 发送短信例子 S60 SMS Sample」· C语言 代码 · 共 28 行

#include <stddef.h>
#include <openssl/rc4.h>
#include <openssl/md5.h>

void s60_encrypt(int len, unsigned char* in, unsigned char* out, unsigned char* password, int passlen)
{
   unsigned char digest[MD5_DIGEST_LENGTH];
   RC4_KEY key;
   
   MD5(password, passlen, digest);
   
   RC4_set_key(&key, MD5_DIGEST_LENGTH, digest);
   RC4(&key, len, in, out);
}

void s60_decrypt(int len, unsigned char* in, unsigned char* out, unsigned char* password, int passlen)
{
   unsigned char digest[MD5_DIGEST_LENGTH];
   RC4_KEY key;
   
   MD5(password, passlen, digest);
   
   RC4_set_key(&key, MD5_DIGEST_LENGTH, digest);
   RC4(&key, len, in, out);
}