diff options
Diffstat (limited to 'openssl/crypto/evp/e_des.c')
| -rw-r--r-- | openssl/crypto/evp/e_des.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/openssl/crypto/evp/e_des.c b/openssl/crypto/evp/e_des.c deleted file mode 100644 index ca009f2c..00000000 --- a/openssl/crypto/evp/e_des.c +++ /dev/null @@ -1,224 +0,0 @@ -/* crypto/evp/e_des.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> -#include <openssl/rand.h> - -static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); -static int des_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); - -/* Because of various casts and different names can't use IMPLEMENT_BLOCK_CIPHER */ - -static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) -{ - BLOCK_CIPHER_ecb_loop() - DES_ecb_encrypt((DES_cblock *)(in + i), (DES_cblock *)(out + i), ctx->cipher_data, ctx->encrypt); - return 1; -} - -static int des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) -{ - while(inl>=EVP_MAXCHUNK) - { - DES_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data, - (DES_cblock *)ctx->iv, &ctx->num); - inl-=EVP_MAXCHUNK; - in +=EVP_MAXCHUNK; - out+=EVP_MAXCHUNK; - } - if (inl) - DES_ofb64_encrypt(in, out, (long)inl, ctx->cipher_data, - (DES_cblock *)ctx->iv, &ctx->num); - return 1; -} - -static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) -{ - while(inl>=EVP_MAXCHUNK) - { - DES_ncbc_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data, - (DES_cblock *)ctx->iv, ctx->encrypt); - inl-=EVP_MAXCHUNK; - in +=EVP_MAXCHUNK; - out+=EVP_MAXCHUNK; - } - if (inl) - DES_ncbc_encrypt(in, out, (long)inl, ctx->cipher_data, - (DES_cblock *)ctx->iv, ctx->encrypt); - return 1; -} - -static int des_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) -{ - while(inl>=EVP_MAXCHUNK) - { - DES_cfb64_encrypt(in,out, (long)EVP_MAXCHUNK, ctx->cipher_data, - (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt); - inl-=EVP_MAXCHUNK; - in +=EVP_MAXCHUNK; - out+=EVP_MAXCHUNK; - } - if (inl) - DES_cfb64_encrypt(in, out, (long)inl, ctx->cipher_data, - (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt); - return 1; -} - -/* Although we have a CFB-r implementation for DES, it doesn't pack the right - way, so wrap it here */ -static int des_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) - { - size_t n,chunk=EVP_MAXCHUNK/8; - unsigned char c[1],d[1]; - - if (inl<chunk) chunk=inl; - - while (inl && inl>=chunk) - { - for(n=0 ; n < chunk*8; ++n) - { - c[0]=(in[n/8]&(1 << (7-n%8))) ? 0x80 : 0; - DES_cfb_encrypt(c,d,1,1,ctx->cipher_data,(DES_cblock *)ctx->iv, - ctx->encrypt); - out[n/8]=(out[n/8]&~(0x80 >> (unsigned int)(n%8))) | - ((d[0]&0x80) >> (unsigned int)(n%8)); - } - inl-=chunk; - in +=chunk; - out+=chunk; - if (inl<chunk) chunk=inl; - } - - return 1; - } - -static int des_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) - { - while (inl>=EVP_MAXCHUNK) - { - DES_cfb_encrypt(in,out,8,(long)EVP_MAXCHUNK,ctx->cipher_data, - (DES_cblock *)ctx->iv,ctx->encrypt); - inl-=EVP_MAXCHUNK; - in +=EVP_MAXCHUNK; - out+=EVP_MAXCHUNK; - } - if (inl) - DES_cfb_encrypt(in,out,8,(long)inl,ctx->cipher_data, - (DES_cblock *)ctx->iv,ctx->encrypt); - return 1; - } - -BLOCK_CIPHER_defs(des, DES_key_schedule, NID_des, 8, 8, 8, 64, - EVP_CIPH_RAND_KEY, des_init_key, NULL, - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - des_ctrl) - -BLOCK_CIPHER_def_cfb(des,DES_key_schedule,NID_des,8,8,1, - EVP_CIPH_RAND_KEY, des_init_key,NULL, - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv,des_ctrl) - -BLOCK_CIPHER_def_cfb(des,DES_key_schedule,NID_des,8,8,8, - EVP_CIPH_RAND_KEY,des_init_key,NULL, - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv,des_ctrl) - -static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) - { - DES_cblock *deskey = (DES_cblock *)key; -#ifdef EVP_CHECK_DES_KEY - if(DES_set_key_checked(deskey,ctx->cipher_data) != 0) - return 0; -#else - DES_set_key_unchecked(deskey,ctx->cipher_data); -#endif - return 1; - } - -static int des_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) - { - - switch(type) - { - case EVP_CTRL_RAND_KEY: - if (RAND_bytes(ptr, 8) <= 0) - return 0; - DES_set_odd_parity((DES_cblock *)ptr); - return 1; - - default: - return -1; - } - } - -#endif |