diff options
Diffstat (limited to 'openssl/crypto/evp/e_xcbc_d.c')
| -rw-r--r-- | openssl/crypto/evp/e_xcbc_d.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/openssl/crypto/evp/e_xcbc_d.c b/openssl/crypto/evp/e_xcbc_d.c deleted file mode 100644 index 250e88c8..00000000 --- a/openssl/crypto/evp/e_xcbc_d.c +++ /dev/null @@ -1,138 +0,0 @@ -/* crypto/evp/e_xcbc_d.c */ -/* 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 <stdio.h> -#include "cryptlib.h" - -#ifndef OPENSSL_NO_DES - -#include <openssl/evp.h> -#include <openssl/objects.h> -#include "evp_locl.h" -#include <openssl/des.h> - -static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv,int enc); -static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl); - - -typedef struct - { - DES_key_schedule ks;/* key schedule */ - DES_cblock inw; - DES_cblock outw; - } DESX_CBC_KEY; - -#define data(ctx) ((DESX_CBC_KEY *)(ctx)->cipher_data) - -static const EVP_CIPHER d_xcbc_cipher= - { - NID_desx_cbc, - 8,24,8, - EVP_CIPH_CBC_MODE, - desx_cbc_init_key, - desx_cbc_cipher, - NULL, - sizeof(DESX_CBC_KEY), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL, - NULL - }; - -const EVP_CIPHER *EVP_desx_cbc(void) - { - return(&d_xcbc_cipher); - } - -static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) - { - DES_cblock *deskey = (DES_cblock *)key; - - DES_set_key_unchecked(deskey,&data(ctx)->ks); - memcpy(&data(ctx)->inw[0],&key[8],8); - memcpy(&data(ctx)->outw[0],&key[16],8); - - return 1; - } - -static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) - { - while (inl>=EVP_MAXCHUNK) - { - DES_xcbc_encrypt(in,out,(long)EVP_MAXCHUNK,&data(ctx)->ks, - (DES_cblock *)&(ctx->iv[0]), - &data(ctx)->inw, - &data(ctx)->outw, - ctx->encrypt); - inl-=EVP_MAXCHUNK; - in +=EVP_MAXCHUNK; - out+=EVP_MAXCHUNK; - } - if (inl) - DES_xcbc_encrypt(in,out,(long)inl,&data(ctx)->ks, - (DES_cblock *)&(ctx->iv[0]), - &data(ctx)->inw, - &data(ctx)->outw, - ctx->encrypt); - return 1; - } -#endif |