} else if(ctl==RSA_SETUP){
				size_t rsa_len = len - 1;
				uint8_t e_buf[rsa_len];
				console_insert_line("generating secrets.", MSG_NORMAL);
				csrand_fill(secrets, sizeof secrets);
				console_insert_line("rsa encrypting secrets.", MSG_NORMAL);
				rsa_encrypt(secrets, sizeof secrets, e_buf, pkt_content, rsa_len, SHA256);
				console_insert_line("sending secrets.", MSG_NORMAL);
				inet_send_packet(1, AES_SECRET_ACK, e_buf, rsa_len);

			} else if(ctl==AES_SECRET_ACK){
				console_insert_line("encrypting user token.", MSG_NORMAL);
				size_t username_len = strlen(username);
				uint8_t pt[TOKEN_LEN + username_len];
				uint8_t ct[TOKEN_LEN + username_len];
				uint8_t iv[AES_IVSIZE];
				uint8_t hmac_digest[SHA256_DIGEST_LEN];
				hmac_ctx hmac;
				aes_ctx aes;

				memcpy(pt, token, TOKEN_LEN);
				strncpy(&pt[TOKEN_LEN], username, USERNAME_MAX_LEN);

				csrand_fill(iv, sizeof iv);
				aes_init(&aes, secrets, AES_SECRET_LEN, iv, AES_MODE_CTR);
				aes_encrypt(&aes, pt, sizeof pt, ct);

				hmac_init(&hmac, &secrets[AES_SECRET_LEN], HMAC_SECRET_LEN, SHA256);
				hmac_update(&hmac, iv, sizeof iv);
				hmac_update(&hmac, ct, sizeof ct);
				hmac_final(&hmac, hmac_digest);

				inet_send_packet(3, LOGIN,
								 iv, sizeof iv,
								 ct, sizeof ct,
								 hmac_digest, sizeof hmac_digest);