1 files changed, 0 insertions, 85 deletions
diff --git a/src/op/auth.c b/src/op/auth.c
deleted file mode 100644
index 3a3f40ce8..000000000
--- a/src/op/auth.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/**
- * auth.h
- * Key exchange with an onion router.
- *
- * Matej Pfajfar <mp292@cam.ac.uk>
- */
-
-/*
- * Changes :
- * $Log$
- * Revision 1.1  2002/06/26 22:45:50  arma
- * Initial revision
- *
- * Revision 1.1  2002/03/28 11:00:57  badbytes
- * Key exchange with an onion router.
- *
- */
-#include <openssl/rand.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-
-#include "../common/log.h"
-
-#include "auth.h"
-
-/* send session keys and bandwidth info to the router */
-int send_auth(int or_sock, uint32_t bandwidth, RSA *pkey, unsigned char *f_session_key, unsigned char *b_session_key)
-{
-  int retval;
-  int x;
-  unsigned char message[20]; /* bandwidth(32bits), forward key(64bits), backward key(64bits) */
-  unsigned char cipher[128];
-  if ((or_sock <= 0) || (bandwidth <= 0) || !pkey || !f_session_key || !b_session_key) /* invalid parameters */
-    return -1;
-  
-  bandwidth = htonl(bandwidth); /* convert to network order */
-  
-  /* generate the session keys */
-  retval = RAND_bytes(f_session_key, 8);
-  if (!retval)
-  {
-    log(LOG_ERR,"Not enough randomness to generate a session key.");
-    return -1;
-  }
-  retval = RAND_bytes(b_session_key, 8);
-  if (!retval)
-  {
-    log(LOG_ERR,"Not enough randomness to generate a session key.");
-    return -1;
-  }
-  
-  /* compose the message */
-  memcpy((void *)message, (void *)&bandwidth, 4);
-  memcpy((void *)(message + 4), (void *)f_session_key, 8);
-  memcpy((void *)(message + 12), (void *)b_session_key, 8);
-  printf("f_session_key: ");
-  for(x=0;x<8;x++) {
-    printf("%d ",f_session_key[x]);
-  }
-  printf("\nb_session_key: ");
-  for(x=0;x<8;x++) {
-    printf("%d ",b_session_key[x]);
-  }
-  printf("\n");
-  
-  /* encrypt with RSA */
-  retval = RSA_public_encrypt(20, message, cipher, pkey, RSA_PKCS1_PADDING);
-  if (retval == -1)
-  {
-    log(LOG_ERR,"Public key encryption failed.");
-    return -1;
-  }
-  
-  /* send the ciphertext */
-  retval = send(or_sock, cipher, 128, 0);
-  if (retval < 128)
-  {
-    log(LOG_ERR,"Connection to router lost while exchanging session keys.");
-    return -1;
-  }
-  
-  return 0;
-}