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Diffstat (limited to 'src/protocol/internal/fqterm_ssh_des.cpp')
-rw-r--r--src/protocol/internal/fqterm_ssh_des.cpp180
1 files changed, 0 insertions, 180 deletions
diff --git a/src/protocol/internal/fqterm_ssh_des.cpp b/src/protocol/internal/fqterm_ssh_des.cpp
deleted file mode 100644
index ca6de16..0000000
--- a/src/protocol/internal/fqterm_ssh_des.cpp
+++ /dev/null
@@ -1,180 +0,0 @@
-/***************************************************************************
- * fqterm, a terminal emulator for both BBS and *nix. *
- * Copyright (C) 2008 fqterm development group. *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program 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 General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. *
- ***************************************************************************/
-
-#include <memory.h>
-#include <openssl/des.h>
-#include <openssl/objects.h>
-#include <openssl/evp.h>
-
-#include "fqterm_ssh_const.h"
-#include "fqterm_ssh_des.h"
-#include "fqterm_trace.h"
-
-namespace FQTerm {
-
-#define DES_ENCRYPT 1
-#define DES_DECRYPT 0
-
-//==============================================================================
-//FQTermSSH1DES3
-//==============================================================================
-
-FQTermSSH1DES3::FQTermSSH1DES3() {
- d_name = "des3-cbc";
-
- memset(d_IV1, 0, sizeof(d_IV1));
- memset(d_IV2, 0, sizeof(d_IV2));
- memset(d_IV3, 0, sizeof(d_IV3));
-}
-
-int FQTermSSH1DES3::blockSize() const {
- return 8;
-}
-
-void FQTermSSH1DES3::decrypt(const u_char *source, u_char *dest, int len) {
- DES_ncbc_encrypt(source, dest, len, &d_key3, &d_IV3, DES_DECRYPT);
- DES_ncbc_encrypt(dest, dest, len, &d_key2, &d_IV2, DES_ENCRYPT);
- DES_ncbc_encrypt(dest, dest, len, &d_key1, &d_IV1, DES_DECRYPT);
-}
-
-void FQTermSSH1DES3::encrypt(const u_char *source, u_char *dest, int len) {
- DES_ncbc_encrypt(source, dest, len, &d_key1, &d_IV1, DES_ENCRYPT);
- DES_ncbc_encrypt(dest, dest, len, &d_key2, &d_IV2, DES_DECRYPT);
- DES_ncbc_encrypt(dest, dest, len, &d_key3, &d_IV3, DES_ENCRYPT);
-}
-
-int FQTermSSH1DES3::getKeySize() const {
- return 3*DES_KEY_SZ;
-}
-
-int FQTermSSH1DES3::getIVSize() const {
- return 0;
-}
-
-void FQTermSSH1DES3::setIV(const u_char *data) {
- memset(d_IV1, 0, sizeof(d_IV1));
- memset(d_IV2, 0, sizeof(d_IV2));
- memset(d_IV3, 0, sizeof(d_IV3));
-}
-
-void FQTermSSH1DES3::setKey(const u_char *data) {
- DES_cblock key;
- memset(key, 0, sizeof(key));
- memcpy(key, data, sizeof(key));
- DES_set_key(&key, &d_key1);
- data += 8;
- memset(key, 0, sizeof(key));
- memcpy(key, data, sizeof(key));
- DES_set_key(&key, &d_key2);
- data += 8;
- memset(key, 0, sizeof(key));
- memcpy(key, data, sizeof(key));
- DES_set_key(&key, &d_key3);
-}
-
-
-//==================================================
-// TripleDES-CBC
-//==================================================
-
-FQTermSSH2TripleDESCBC::FQTermSSH2TripleDESCBC() {
- d_name = "des3-cbc";
- ctx_ = NULL;
-}
-
-FQTermSSH2TripleDESCBC::~FQTermSSH2TripleDESCBC() {
- if (ctx_ != NULL) {
- EVP_CIPHER_CTX_cleanup(ctx_);
- EVP_CIPHER_CTX_free(ctx_);
- }
-}
-
-
-int FQTermSSH2TripleDESCBC::blockSize() const {
- return 8;
-}
-
-int FQTermSSH2TripleDESCBC::getKeySize() const {
- return 24;
-}
-
-int FQTermSSH2TripleDESCBC::getIVSize() const {
- return 8;
-}
-
-void FQTermSSH2TripleDESCBC::setIV(const u_char *data) {
- memcpy(IV_, data, getIVSize());
-}
-
-void FQTermSSH2TripleDESCBC::setKey(const u_char *data) {
- memcpy(key_, data, getKeySize());
-}
-
-void FQTermSSH2TripleDESCBC::encrypt(const u_char *source, u_char *dest, int len) {
- FQ_TRACE("3DES_CBC", 9) << "Start encrypting";
- FQ_TRACE("3DES_CBC", 9) << "data len:" << len;
- FQ_TRACE("3DES_CBC", 9) << "Source: \n" << dumpHexString << std::string((char *)source, len);
-
- int ret = 0;
- if (ctx_ == NULL) {
- // Lazy initialization.
- ctx_ = EVP_CIPHER_CTX_new();
- EVP_CIPHER_CTX_init(ctx_);
- ret = EVP_CipherInit(ctx_, EVP_des_ede3_cbc(), key_, IV_, 1);
- FQ_VERIFY(ret == 1);
- }
-
- ret = EVP_Cipher(ctx_, dest, source, len);
-
- FQ_VERIFY(ret == 1);
-
- FQ_TRACE("3DES_CBC", 9) << "Dest: \n" << dumpHexString << std::string((char *)dest, len);
-
- FQ_TRACE("3DES_CBC", 9) << "IV:\n" << dumpHexString << std::string((char *)IV_, getIVSize());
- FQ_TRACE("3DES_CBC", 9) << "key:\n" << dumpHexString << std::string((char *)key_, getKeySize());
-
-}
-
-void FQTermSSH2TripleDESCBC::decrypt(const u_char *source, u_char *dest, int len) {
- FQ_TRACE("3DES_CBC", 9) << "Start dencrypting";
- FQ_TRACE("3DES_CBC", 9) << "data len:" << len;
- FQ_TRACE("3DES_CBC", 9) << "Source: \n" << dumpHexString << std::string((char *)source, len);
-
- int ret = 0;
- if (ctx_ == NULL) {
- // Lazy initialization.
- ctx_ = EVP_CIPHER_CTX_new();
- EVP_CIPHER_CTX_init(ctx_);
- ret = EVP_CipherInit(ctx_, EVP_des_ede3_cbc(), key_, IV_, 0);
- FQ_VERIFY(ret == 1);
- }
-
- ret = EVP_Cipher(ctx_, dest, source, len);
-
- FQ_VERIFY(ret == 1);
-
- FQ_TRACE("3DES_CBC", 9) << "Dest: \n" << dumpHexString << std::string((char *)dest, len);
-
- FQ_TRACE("3DES_CBC", 9) << "IV:\n" << dumpHexString << std::string((char *)IV_, getIVSize());
- FQ_TRACE("3DES_CBC", 9) << "key:\n" << dumpHexString << std::string((char *)key_, getKeySize());
-}
-
-
-} // namespace FQTerm
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