- memcpy(iv, data + (data_len - iv_len), iv_len);
- silc_channel_message_payload_encrypt(data, data_len - iv_len - mac_len,
- data_len, iv, iv_len,
+ memcpy(iv, data + (data_len - iv_len - mac_len), iv_len);
+ silc_channel_message_payload_encrypt(data, data_len - iv_len, iv, iv_len,