e_bf.c revision 160814
1130391Sle/* crypto/evp/e_bf.c */ 2190507Slulf/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3190507Slulf * All rights reserved. 4190507Slulf * 5130391Sle * This package is an SSL implementation written 6152631Sle * by Eric Young (eay@cryptsoft.com). 7152631Sle * The implementation was written so as to conform with Netscapes SSL. 8152631Sle * 9152631Sle * This library is free for commercial and non-commercial use as long as 10152631Sle * the following conditions are aheared to. The following conditions 11130391Sle * apply to all code found in this distribution, be it the RC4, RSA, 12130391Sle * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13130391Sle * included with this distribution is covered by the same copyright terms 14130391Sle * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15130391Sle * 16130391Sle * Copyright remains Eric Young's, and as such any Copyright notices in 17130391Sle * the code are not to be removed. 18130391Sle * If this package is used in a product, Eric Young should be given attribution 19152631Sle * as the author of the parts of the library used. 20130391Sle * This can be in the form of a textual message at program startup or 21130391Sle * in documentation (online or textual) provided with the package. 22130391Sle * 23130391Sle * Redistribution and use in source and binary forms, with or without 24130391Sle * modification, are permitted provided that the following conditions 25130391Sle * are met: 26130391Sle * 1. Redistributions of source code must retain the copyright 27130391Sle * notice, this list of conditions and the following disclaimer. 28130391Sle * 2. Redistributions in binary form must reproduce the above copyright 29130391Sle * notice, this list of conditions and the following disclaimer in the 30130391Sle * documentation and/or other materials provided with the distribution. 31130391Sle * 3. All advertising materials mentioning features or use of this software 32130391Sle * must display the following acknowledgement: 33130391Sle * "This product includes cryptographic software written by 34130391Sle * Eric Young (eay@cryptsoft.com)" 35130391Sle * The word 'cryptographic' can be left out if the rouines from the library 36130391Sle * being used are not cryptographic related :-). 37130391Sle * 4. If you include any Windows specific code (or a derivative thereof) from 38130391Sle * the apps directory (application code) you must include an acknowledgement: 39130391Sle * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40130391Sle * 41130391Sle * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42130391Sle * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43130391Sle * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44130391Sle * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45130391Sle * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46130391Sle * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47130391Sle * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48190507Slulf * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49130391Sle * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50130391Sle * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51130391Sle * SUCH DAMAGE. 52130391Sle * 53130391Sle * The licence and distribution terms for any publically available version or 54130391Sle * derivative of this code cannot be changed. i.e. this code cannot simply be 55130391Sle * copied and put under another distribution licence 56130391Sle * [including the GNU Public Licence.] 57130391Sle */ 58130391Sle 59130391Sle#include <stdio.h> 60190507Slulf#include "cryptlib.h" 61190507Slulf#ifndef OPENSSL_NO_BF 62130391Sle#include <openssl/evp.h> 63190507Slulf#include "evp_locl.h" 64190884Slulf#include <openssl/objects.h> 65130391Sle#include <openssl/blowfish.h> 66130391Sle 67152616Slestatic int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 68190507Slulf const unsigned char *iv, int enc); 69138110Sle 70130391Sletypedef struct 71190507Slulf { 72152616Sle BF_KEY ks; 73157052Sle } EVP_BF_KEY; 74130391Sle 75130391Sle#define data(ctx) EVP_C_DATA(EVP_BF_KEY,ctx) 76138112Sle 77130391SleIMPLEMENT_BLOCK_CIPHER(bf, ks, BF, EVP_BF_KEY, NID_bf, 8, 16, 8, 64, 78130391Sle EVP_CIPH_VARIABLE_LENGTH, bf_init_key, NULL, 79190507Slulf EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) 80130391Sle 81130391Slestatic int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 82130391Sle const unsigned char *iv, int enc) 83190507Slulf { 84190507Slulf BF_set_key(&data(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),key); 85190507Slulf return 1; 86190507Slulf } 87204665Slulf 88204665Slulf#endif 89190507Slulf