DES_DECRYPT
DES_encrypt2((DES_LONG *)data, ks2, DES_DECRYPT);
DES_encrypt2((DES_LONG *)data, ks3, DES_DECRYPT);
DES_encrypt2((DES_LONG *)data, ks1, DES_DECRYPT);
DES_encrypt1((DES_LONG *)tin, _schedule, DES_DECRYPT);
DES_encrypt1((DES_LONG *)tin, _schedule, DES_DECRYPT);
DES_encrypt1((DES_LONG *)tin, schedule, DES_DECRYPT);
DES_encrypt1(tin, schedule, DES_DECRYPT);
DES_encrypt1(tin, schedule, DES_DECRYPT);
DES_ecb_encrypt(&out, &outin, &ks, DES_DECRYPT);
DES_ecb3_encrypt(&out, &outin, &ks, &ks2, &ks, DES_DECRYPT);
&iv3, DES_DECRYPT);
DES_DECRYPT);
DES_DECRYPT);
&cbc_iv, DES_DECRYPT);
DES_DECRYPT);
DES_cfb64_encrypt(cfb_buf1, cfb_buf2, 17, &ks, &cfb_tmp, &n, DES_DECRYPT);
sizeof(plain) - 17, &ks, &cfb_tmp, &n, DES_DECRYPT);
DES_DECRYPT);
&cfb_tmp, &n, DES_DECRYPT);
&ks, &ks, &ks, &cfb_tmp, &n, DES_DECRYPT);
(u_int)sizeof (des_block), DES_DECRYPT | DES_HW);
2*sizeof(des_block), DES_DECRYPT | DES_HW,
sizeof(des_block), DES_DECRYPT | DES_HW);
err = cbc_crypt(key, buf, len, DES_DECRYPT | DES_HW, ivec);
des_encrypt2((DES_LONG *)data,ks2,DES_DECRYPT);
des_encrypt2((DES_LONG *)data,ks3,DES_DECRYPT);
des_encrypt2((DES_LONG *)data,ks1,DES_DECRYPT);