if ((err = cbc_start(index, iv, key, keylen, 0, &cbc)) != CRYPT_OK)
return err;
if ((err = cbc_encrypt(pt, ct, ptlen, &cbc)) != CRYPT_OK)
if ((err = cbc_start(index, iv, key, keylen, 0, &cbc)) != CRYPT_OK)
return err;
if ((err = cbc_encrypt(pt, ct, ptlen, &cbc)) != CRYPT_OK)