--- /dev/null
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/cipher.h>
+#include <openssl/des.h>
+#include <openssl/nid.h>
+
+#include "internal.h"
+#include "../delocate.h"
+
+
+typedef struct {
+ union {
+ double align;
+ DES_key_schedule ks;
+ } ks;
+} EVP_DES_KEY;
+
+static int des_init_key(EVP_CIPHER_CTX *ctx, const uint8_t *key,
+ const uint8_t *iv, int enc) {
+ DES_cblock *deskey = (DES_cblock *)key;
+ EVP_DES_KEY *dat = (EVP_DES_KEY *)ctx->cipher_data;
+
+ DES_set_key(deskey, &dat->ks.ks);
+ return 1;
+}
+
+static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, const uint8_t *in,
+ size_t in_len) {
+ EVP_DES_KEY *dat = (EVP_DES_KEY *)ctx->cipher_data;
+
+ DES_ncbc_encrypt(in, out, in_len, &dat->ks.ks, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+
+ return 1;
+}
+
+DEFINE_METHOD_FUNCTION(EVP_CIPHER, EVP_des_cbc) {
+ memset(out, 0, sizeof(EVP_CIPHER));
+ out->nid = NID_des_cbc;
+ out->block_size = 8;
+ out->key_len = 8;
+ out->iv_len = 8;
+ out->ctx_size = sizeof(EVP_DES_KEY);
+ out->flags = EVP_CIPH_CBC_MODE;
+ out->init = des_init_key;
+ out->cipher = des_cbc_cipher;
+}
+
+static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, const uint8_t *in,
+ size_t in_len) {
+ if (in_len < ctx->cipher->block_size) {
+ return 1;
+ }
+ in_len -= ctx->cipher->block_size;
+
+ EVP_DES_KEY *dat = (EVP_DES_KEY *) ctx->cipher_data;
+ for (size_t i = 0; i <= in_len; i += ctx->cipher->block_size) {
+ DES_ecb_encrypt((DES_cblock *) (in + i), (DES_cblock *) (out + i),
+ &dat->ks.ks, ctx->encrypt);
+ }
+ return 1;
+}
+
+DEFINE_METHOD_FUNCTION(EVP_CIPHER, EVP_des_ecb) {
+ memset(out, 0, sizeof(EVP_CIPHER));
+ out->nid = NID_des_ecb;
+ out->block_size = 8;
+ out->key_len = 8;
+ out->iv_len = 0;
+ out->ctx_size = sizeof(EVP_DES_KEY);
+ out->flags = EVP_CIPH_ECB_MODE;
+ out->init = des_init_key;
+ out->cipher = des_ecb_cipher;
+}
+
+typedef struct {
+ union {
+ double align;
+ DES_key_schedule ks[3];
+ } ks;
+} DES_EDE_KEY;
+
+static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const uint8_t *key,
+ const uint8_t *iv, int enc) {
+ DES_cblock *deskey = (DES_cblock *)key;
+ DES_EDE_KEY *dat = (DES_EDE_KEY*) ctx->cipher_data;
+
+ DES_set_key(&deskey[0], &dat->ks.ks[0]);
+ DES_set_key(&deskey[1], &dat->ks.ks[1]);
+ DES_set_key(&deskey[2], &dat->ks.ks[2]);
+
+ return 1;
+}
+
+static int des_ede3_cbc_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out,
+ const uint8_t *in, size_t in_len) {
+ DES_EDE_KEY *dat = (DES_EDE_KEY*) ctx->cipher_data;
+
+ DES_ede3_cbc_encrypt(in, out, in_len, &dat->ks.ks[0], &dat->ks.ks[1],
+ &dat->ks.ks[2], (DES_cblock *)ctx->iv, ctx->encrypt);
+
+ return 1;
+}
+
+DEFINE_METHOD_FUNCTION(EVP_CIPHER, EVP_des_ede3_cbc) {
+ memset(out, 0, sizeof(EVP_CIPHER));
+ out->nid = NID_des_ede3_cbc;
+ out->block_size = 8;
+ out->key_len = 24;
+ out->iv_len = 8;
+ out->ctx_size = sizeof(DES_EDE_KEY);
+ out->flags = EVP_CIPH_CBC_MODE;
+ out->init = des_ede3_init_key;
+ out->cipher = des_ede3_cbc_cipher;
+}
+
+static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const uint8_t *key,
+ const uint8_t *iv, int enc) {
+ DES_cblock *deskey = (DES_cblock *) key;
+ DES_EDE_KEY *dat = (DES_EDE_KEY *) ctx->cipher_data;
+
+ DES_set_key(&deskey[0], &dat->ks.ks[0]);
+ DES_set_key(&deskey[1], &dat->ks.ks[1]);
+ DES_set_key(&deskey[0], &dat->ks.ks[2]);
+
+ return 1;
+}
+
+DEFINE_METHOD_FUNCTION(EVP_CIPHER, EVP_des_ede_cbc) {
+ memset(out, 0, sizeof(EVP_CIPHER));
+ out->nid = NID_des_ede_cbc;
+ out->block_size = 8;
+ out->key_len = 16;
+ out->iv_len = 8;
+ out->ctx_size = sizeof(DES_EDE_KEY);
+ out->flags = EVP_CIPH_CBC_MODE;
+ out->init = des_ede_init_key;
+ out->cipher = des_ede3_cbc_cipher;
+}
+
+static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out,
+ const uint8_t *in, size_t in_len) {
+ if (in_len < ctx->cipher->block_size) {
+ return 1;
+ }
+ in_len -= ctx->cipher->block_size;
+
+ DES_EDE_KEY *dat = (DES_EDE_KEY *) ctx->cipher_data;
+ for (size_t i = 0; i <= in_len; i += ctx->cipher->block_size) {
+ DES_ecb3_encrypt((DES_cblock *) (in + i), (DES_cblock *) (out + i),
+ &dat->ks.ks[0], &dat->ks.ks[1], &dat->ks.ks[2],
+ ctx->encrypt);
+ }
+ return 1;
+}
+
+DEFINE_METHOD_FUNCTION(EVP_CIPHER, EVP_des_ede) {
+ memset(out, 0, sizeof(EVP_CIPHER));
+ out->nid = NID_des_ede_ecb;
+ out->block_size = 8;
+ out->key_len = 16;
+ out->iv_len = 0;
+ out->ctx_size = sizeof(DES_EDE_KEY);
+ out->flags = EVP_CIPH_ECB_MODE;
+ out->init = des_ede_init_key;
+ out->cipher = des_ede_ecb_cipher;
+}
+
+DEFINE_METHOD_FUNCTION(EVP_CIPHER, EVP_des_ede3) {
+ memset(out, 0, sizeof(EVP_CIPHER));
+ out->nid = NID_des_ede3_ecb;
+ out->block_size = 8;
+ out->key_len = 24;
+ out->iv_len = 0;
+ out->ctx_size = sizeof(DES_EDE_KEY);
+ out->flags = EVP_CIPH_ECB_MODE;
+ out->init = des_ede3_init_key;
+ out->cipher = des_ede_ecb_cipher;
+}