-/*
- * Secure RTP with libgcrypt
- * Copyright (C) 2007 Rémi Denis-Courmont
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdint.h>
-#include <stddef.h>
-#include "srtp.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include <unistd.h>
-#include <netinet/in.h>
-
-int main (void)
-{
- int fd = socket (AF_INET, SOCK_DGRAM, 0);
- struct sockaddr_in addr;
- memset (&addr, 0, sizeof (addr));
- addr.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
- addr.sin_len = sizeof (addr);
-#endif
- addr.sin_port = htons (10000);
- addr.sin_addr.s_addr = htonl (0x7f000001);
- if (bind (fd, (struct sockaddr *)&addr, sizeof (addr)))
- return 1;
-
- static const uint8_t key[16] =
- "\x12\x34\x56\x78\x9A\xBC\xDE\xF0"
- "\x12\x34\x56\x78\x9A\xBC\xDE\xF0";
- static const uint8_t salt[14] =
- "\x12\x34\x56\x78\x90" "\x12\x34\x56\x78\x90" "\x12\x34\x56\x78";
-
- srtp_session_t *s = srtp_create (SRTP_ENCR_AES_CM, SRTP_AUTH_HMAC_SHA1, 10,
- SRTP_PRF_AES_CM, 0);
- if (s == NULL)
- return 1;
- if (srtp_setkey (s, key, 16, salt, 14))
- goto error;
-
- uint8_t buf[1500];
- size_t len;
-#if 0
- memset (buf, 0, sizeof (buf));
- buf[0] = 2 << 6;
- buf[1] = 1;
- memcpy (buf + 2, &(uint16_t){ htons (9527) }, 2);
- memcpy (buf + 8, "\xde\xad\xbe\xef", 4);
- memcpy (buf + 4, &(uint32_t){ htonl (1) }, 4);
- strcpy ((char *)buf + 12, "a\n");
- len = 12 + strlen ((char *)buf + 12) + 1;
-#endif
- for (;;)
- {
- len = read (fd, buf, sizeof (buf));
- int val = srtp_recv (s, buf, &len);
- if (val)
- {
- fprintf (stderr, "Cannot decrypt: %s\n", strerror (val));
- continue;
- }
-
- puts ((char *)buf + 12);
- //if (srtp_send (s, buf, &len, sizeof (buf)) || srtp_recv (s, buf, &len))
- // break;
- puts ((char *)buf + 12);
- }
-
-error:
- srtp_destroy (s);
- close (fd);
- return 0;
-}