X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fe_des.c;h=9b2facfecfce98bf421892f0bde536bd4d5e5f2b;hp=74e87e89a2f10b0b7a095e7e87d8777cb5514e45;hb=16cfc2c90d9e7776965db07c1f31bbec2f6c41e3;hpb=6f73d28c20459034bfd4090494be9fb1a479c8af diff --git a/crypto/evp/e_des.c b/crypto/evp/e_des.c index 74e87e89a2..9b2facfecf 100644 --- a/crypto/evp/e_des.c +++ b/crypto/evp/e_des.c @@ -1,59 +1,10 @@ -/* 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. +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. * - * 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.] + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include @@ -61,7 +12,7 @@ #ifndef OPENSSL_NO_DES # include # include -# include "evp_locl.h" +# include "internal/evp_int.h" # include # include @@ -71,12 +22,13 @@ typedef struct { DES_key_schedule ks; } ks; union { - void (*cbc) (const void *, void *, size_t, const void *, void *); + void (*cbc) (const void *, void *, size_t, + const DES_key_schedule *, unsigned char *); } stream; } EVP_DES_KEY; # if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__)) -/* ---------^^^ this is not a typo, just a way to detect that +/* ----------^^^ this is not a typo, just a way to detect that * assembler support was in general requested... */ # include "sparc_arch.h" @@ -86,9 +38,9 @@ extern unsigned int OPENSSL_sparcv9cap_P[]; void des_t4_key_expand(const void *key, DES_key_schedule *ks); void des_t4_cbc_encrypt(const void *inp, void *out, size_t len, - DES_key_schedule *ks, unsigned char iv[8]); + const DES_key_schedule *ks, unsigned char iv[8]); void des_t4_cbc_decrypt(const void *inp, void *out, size_t len, - DES_key_schedule *ks, unsigned char iv[8]); + const DES_key_schedule *ks, unsigned char iv[8]); # endif static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, @@ -105,7 +57,8 @@ static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, { BLOCK_CIPHER_ecb_loop() DES_ecb_encrypt((DES_cblock *)(in + i), (DES_cblock *)(out + i), - ctx->cipher_data, ctx->encrypt); + EVP_CIPHER_CTX_get_cipher_data(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); return 1; } @@ -113,37 +66,49 @@ 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); + int num = EVP_CIPHER_CTX_num(ctx); + DES_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num); + EVP_CIPHER_CTX_set_num(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); + if (inl) { + int num = EVP_CIPHER_CTX_num(ctx); + DES_ofb64_encrypt(in, out, (long)inl, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num); + EVP_CIPHER_CTX_set_num(ctx, num); + } return 1; } static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { - EVP_DES_KEY *dat = (EVP_DES_KEY *) ctx->cipher_data; + EVP_DES_KEY *dat = (EVP_DES_KEY *) EVP_CIPHER_CTX_get_cipher_data(ctx); - if (dat->stream.cbc) { - (*dat->stream.cbc) (in, out, inl, &dat->ks.ks, ctx->iv); + if (dat->stream.cbc != NULL) { + (*dat->stream.cbc) (in, out, inl, &dat->ks.ks, + EVP_CIPHER_CTX_iv_noconst(ctx)); return 1; } while (inl >= EVP_MAXCHUNK) { - DES_ncbc_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data, - (DES_cblock *)ctx->iv, ctx->encrypt); + DES_ncbc_encrypt(in, out, (long)EVP_MAXCHUNK, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); 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); + DES_ncbc_encrypt(in, out, (long)inl, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); return 1; } @@ -151,15 +116,24 @@ 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); + int num = EVP_CIPHER_CTX_num(ctx); + DES_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num, + EVP_CIPHER_CTX_encrypting(ctx)); + EVP_CIPHER_CTX_set_num(ctx, num); 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); + if (inl) { + int num = EVP_CIPHER_CTX_num(ctx); + DES_cfb64_encrypt(in, out, (long)inl, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num, + EVP_CIPHER_CTX_encrypting(ctx)); + EVP_CIPHER_CTX_set_num(ctx, num); + } return 1; } @@ -179,8 +153,9 @@ static int des_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 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); + DES_cfb_encrypt(c, d, 1, 1, EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); out[n / 8] = (out[n / 8] & ~(0x80 >> (unsigned int)(n % 8))) | ((d[0] & 0x80) >> (unsigned int)(n % 8)); @@ -199,15 +174,19 @@ 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); + DES_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); 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); + DES_cfb_encrypt(in, out, 8, (long)inl, + EVP_CIPHER_CTX_get_cipher_data(ctx), + (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); return 1; } @@ -227,12 +206,12 @@ 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; - EVP_DES_KEY *dat = (EVP_DES_KEY *) ctx->cipher_data; + EVP_DES_KEY *dat = (EVP_DES_KEY *) EVP_CIPHER_CTX_get_cipher_data(ctx); dat->stream.cbc = NULL; # if defined(SPARC_DES_CAPABLE) if (SPARC_DES_CAPABLE) { - int mode = ctx->cipher->flags & EVP_CIPH_MODE; + int mode = EVP_CIPHER_CTX_mode(ctx); if (mode == EVP_CIPH_CBC_MODE) { des_t4_key_expand(key, &dat->ks.ks); @@ -241,7 +220,7 @@ static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, } } # endif - DES_set_key_unchecked(deskey, ctx->cipher_data); + DES_set_key_unchecked(deskey, EVP_CIPHER_CTX_get_cipher_data(ctx)); return 1; }