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Openssl解密找不到与加密之前相同的值

openssl encryption apache c

eeadev · 技术社区 · 9 年前

我正在使用

我正在使用这些功能:

void algo_crypt(request_rec *r) {
    char cookie[] = "VAR=USER123456";
    unsigned char key_md5[16];
    int len;
    const_DES_cblock *input;
    DES_cblock *output;
    unsigned char in[BUFSIZE], out[BUFSIZE], back[BUFSIZE];
    unsigned char *e = out;
    DES_cblock key = "MyKey";
    DES_cblock seed = {0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10};
    DES_key_schedule keysched;

    memset(in, 0, sizeof(in));
    memset(out, 0, sizeof(out));
    memset(back, 0, sizeof(back));

     DES_set_key((C_Block *)key, &keysched);

     strcpy(in, cookie);

     ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "Plaintext: [%s]\n", in);

     DES_ecb_encrypt((C_Block *)cookie,(C_Block *)out, &keysched, DES_ENCRYPT);

     am_cookie_set(r, out);

     ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "Ciphertext out: %s", out);

     while (*e)
         ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
             "algo_crypt [%02x] ", *e++);

}

void algo_decrypt(request_rec *r) {
    unsigned char key_md5[16];
    int len;
    const_DES_cblock *input;
    DES_cblock *output;
    unsigned char in[BUFSIZE], back[BUFSIZE];
    unsigned char out[] = {0xb8, 0xa8, 0xb0, 0x54, 0x40, 0x23, 0xd1, 0x25};
    unsigned char *e = out;

    DES_cblock key = "MyKey";
    DES_key_schedule keysched;

    memset(back, 0, sizeof(back));

    DES_set_key((C_Block *)key, &keysched);

    char *mycookie = am_cookie_get(r);

    DES_ecb_encrypt((C_Block *)mycookie, (C_Block *)back, &keysched, DES_DECRYPT);

    ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "Decrypted Text: [%s]\n", back);
}

但打印结果显示: