DES_DECRYPT
DES_encrypt1(tin, schedule, 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_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_ede3_cbcm_encrypt(cbc_out,cbc_in,i,&ks,&ks2,&ks3,&iv3,&iv2,DES_DECRYPT);
DES_ecb_encrypt(&out,&outin,&ks,DES_DECRYPT);
DES_ecb3_encrypt(&out,&outin,&ks,&ks2,&ks,DES_DECRYPT);
&iv3,DES_DECRYPT);
&iv3,&cbc2_key,&cbc3_key, DES_DECRYPT);
DES_ede3_cbc_encrypt(cbc_out,cbc_in,i,&ks,&ks2,&ks3,&iv3,DES_DECRYPT);
DES_DECRYPT);
8,1,&ks,&cfb_tmp,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);
&cfb_tmp,&n,DES_DECRYPT);
&cfb_tmp,&n,DES_DECRYPT);
&ks3, (void*)iv, DES_DECRYPT);
&ks->ks_des[1], &ks->ks_des[2], (void *)iv, DES_DECRYPT);