1 files changed, 0 insertions, 193 deletions
diff --git a/libssh/src/packet_crypt.c b/libssh/src/packet_crypt.c
deleted file mode 100644
index 914727e0..00000000
--- a/libssh/src/packet_crypt.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * crypt.c - blowfish-cbc code
- *
- * This file is part of the SSH Library
- *
- * Copyright (c) 2003 by Aris Adamantiadis
- *
- * The SSH 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.
- *
- * The SSH 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 the SSH Library; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#include "config.h"
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifndef _WIN32
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#endif
-
-#ifdef OPENSSL_CRYPTO
-#include <openssl/blowfish.h>
-#include <openssl/evp.h>
-#include <openssl/hmac.h>
-#endif
-
-#include "libssh/priv.h"
-#include "libssh/session.h"
-#include "libssh/wrapper.h"
-#include "libssh/crypto.h"
-#include "libssh/buffer.h"
-
-uint32_t packet_decrypt_len(ssh_session session, char *crypted){
-  uint32_t decrypted;
-
-  if (session->current_crypto) {
-    if (packet_decrypt(session, crypted,
-          session->current_crypto->in_cipher->blocksize) < 0) {
-      return 0;
-    }
-  }
-  memcpy(&decrypted,crypted,sizeof(decrypted));
-  return ntohl(decrypted);
-}
-
-int packet_decrypt(ssh_session session, void *data,uint32_t len) {
-  struct ssh_cipher_struct *crypto = session->current_crypto->in_cipher;
-  char *out = NULL;
-
-  assert(len);
-
-  if(len % session->current_crypto->in_cipher->blocksize != 0){
-    ssh_set_error(session, SSH_FATAL, "Cryptographic functions must be set on at least one blocksize (received %d)",len);
-    return SSH_ERROR;
-  }
-  out = malloc(len);
-  if (out == NULL) {
-    return -1;
-  }
-
-  if (crypto->set_decrypt_key(crypto, session->current_crypto->decryptkey,
-        session->current_crypto->decryptIV) < 0) {
-    SAFE_FREE(out);
-    return -1;
-  }
-  crypto->decrypt(crypto,data,out,len);
-
-  memcpy(data,out,len);
-  BURN_BUFFER(out, len);
-  SAFE_FREE(out);
-  return 0;
-}
-
-unsigned char *packet_encrypt(ssh_session session, void *data, uint32_t len) {
-  struct ssh_cipher_struct *crypto = NULL;
-  HMACCTX ctx = NULL;
-  char *out = NULL;
-  unsigned int finallen;
-  uint32_t seq;
-  enum ssh_hmac_e type;
-
-  assert(len);
-
-  if (!session->current_crypto) {
-    return NULL; /* nothing to do here */
-  }
-  if(len % session->current_crypto->in_cipher->blocksize != 0){
-      ssh_set_error(session, SSH_FATAL, "Cryptographic functions must be set on at least one blocksize (received %d)",len);
-      return NULL;
-  }
-  out = malloc(len);
-  if (out == NULL) {
-    return NULL;
-  }
-
-  type = session->current_crypto->out_hmac;
-  seq = ntohl(session->send_seq);
-  crypto = session->current_crypto->out_cipher;
-
-  if (crypto->set_encrypt_key(crypto, session->current_crypto->encryptkey,
-      session->current_crypto->encryptIV) < 0) {
-    SAFE_FREE(out);
-    return NULL;
-  }
-
-  if (session->version == 2) {
-    ctx = hmac_init(session->current_crypto->encryptMAC, hmac_digest_len(type), type);
-    if (ctx == NULL) {
-      SAFE_FREE(out);
-      return NULL;
-    }
-    hmac_update(ctx,(unsigned char *)&seq,sizeof(uint32_t));
-    hmac_update(ctx,data,len);
-    hmac_final(ctx,session->current_crypto->hmacbuf,&finallen);
-#ifdef DEBUG_CRYPTO
-    ssh_print_hexa("mac: ",data,hmac_digest_len(type));
-    if (finallen != hmac_digest_len(type)) {
-      printf("Final len is %d\n",finallen);
-    }
-    ssh_print_hexa("Packet hmac", session->current_crypto->hmacbuf, hmac_digest_len(type));
-#endif
-  }
-
-  crypto->encrypt(crypto, data, out, len);
-
-  memcpy(data, out, len);
-  BURN_BUFFER(out, len);
-  SAFE_FREE(out);
-
-  if (session->version == 2) {
-    return session->current_crypto->hmacbuf;
-  }
-
-  return NULL;
-}
-
-/**
- * @internal
- *
- * @brief Verify the hmac of a packet
- *
- * @param  session      The session to use.
- * @param  buffer       The buffer to verify the hmac from.
- * @param  mac          The mac to compare with the hmac.
- *
- * @return              0 if hmac and mac are equal, < 0 if not or an error
- *                      occurred.
- */
-int packet_hmac_verify(ssh_session session, ssh_buffer buffer,
-    unsigned char *mac, enum ssh_hmac_e type) {
-  unsigned char hmacbuf[DIGEST_MAX_LEN] = {0};
-  HMACCTX ctx;
-  unsigned int len;
-  uint32_t seq;
-
-  ctx = hmac_init(session->current_crypto->decryptMAC, hmac_digest_len(type), type);
-  if (ctx == NULL) {
-    return -1;
-  }
-
-  seq = htonl(session->recv_seq);
-
-  hmac_update(ctx, (unsigned char *) &seq, sizeof(uint32_t));
-  hmac_update(ctx, buffer_get_rest(buffer), buffer_get_rest_len(buffer));
-  hmac_final(ctx, hmacbuf, &len);
-
-#ifdef DEBUG_CRYPTO
-  ssh_print_hexa("received mac",mac,len);
-  ssh_print_hexa("Computed mac",hmacbuf,len);
-  ssh_print_hexa("seq",(unsigned char *)&seq,sizeof(uint32_t));
-#endif
-  if (memcmp(mac, hmacbuf, len) == 0) {
-    return 0;
-  }
-
-  return -1;
-}
-
-/* vim: set ts=2 sw=2 et cindent: */