1/* crypto/evp/e_idea.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved.
| 1/* 2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
4 *
| 3 *
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5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.]
| 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html
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57 */ 58 59#include <stdio.h>
| 8 */ 9 10#include <stdio.h>
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60#include "cryptlib.h"
| 11#include "internal/cryptlib.h"
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61 62#ifndef OPENSSL_NO_IDEA 63# include <openssl/evp.h> 64# include <openssl/objects.h>
| 12 13#ifndef OPENSSL_NO_IDEA 14# include <openssl/evp.h> 15# include <openssl/objects.h>
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65# include "evp_locl.h"
| 16# include "internal/evp_int.h"
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66# include <openssl/idea.h> 67
| 17# include <openssl/idea.h> 18
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| 19/* Can't use IMPLEMENT_BLOCK_CIPHER because IDEA_ecb_encrypt is different */ 20 21typedef struct { 22 IDEA_KEY_SCHEDULE ks; 23} EVP_IDEA_KEY; 24
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68static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 69 const unsigned char *iv, int enc); 70 71/*
| 25static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 26 const unsigned char *iv, int enc); 27 28/*
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72 * NB idea_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a
| 29 * NB IDEA_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a
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73 * special case 74 */ 75 76static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 77 const unsigned char *in, size_t inl) 78{ 79 BLOCK_CIPHER_ecb_loop()
| 30 * special case 31 */ 32 33static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 34 const unsigned char *in, size_t inl) 35{ 36 BLOCK_CIPHER_ecb_loop()
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80 idea_ecb_encrypt(in + i, out + i, ctx->cipher_data);
| 37 IDEA_ecb_encrypt(in + i, out + i, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
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81 return 1; 82} 83
| 38 return 1; 39} 40
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84/* Can't use IMPLEMENT_BLOCK_CIPHER because idea_ecb_encrypt is different */
| 41BLOCK_CIPHER_func_cbc(idea, IDEA, EVP_IDEA_KEY, ks) 42BLOCK_CIPHER_func_ofb(idea, IDEA, 64, EVP_IDEA_KEY, ks) 43BLOCK_CIPHER_func_cfb(idea, IDEA, 64, EVP_IDEA_KEY, ks)
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85
| 44
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86typedef struct { 87 IDEA_KEY_SCHEDULE ks; 88} EVP_IDEA_KEY; 89 90BLOCK_CIPHER_func_cbc(idea, idea, EVP_IDEA_KEY, ks) 91 BLOCK_CIPHER_func_ofb(idea, idea, 64, EVP_IDEA_KEY, ks) 92 BLOCK_CIPHER_func_cfb(idea, idea, 64, EVP_IDEA_KEY, ks) 93 94 BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8, 64,
| 45BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8, 64,
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95 0, idea_init_key, NULL, 96 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) 97 98static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 99 const unsigned char *iv, int enc) 100{ 101 if (!enc) { 102 if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) 103 enc = 1; 104 else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE) 105 enc = 1; 106 } 107 if (enc)
| 46 0, idea_init_key, NULL, 47 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) 48 49static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 50 const unsigned char *iv, int enc) 51{ 52 if (!enc) { 53 if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) 54 enc = 1; 55 else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE) 56 enc = 1; 57 } 58 if (enc)
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108 idea_set_encrypt_key(key, ctx->cipher_data);
| 59 IDEA_set_encrypt_key(key, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
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109 else { 110 IDEA_KEY_SCHEDULE tmp; 111
| 60 else { 61 IDEA_KEY_SCHEDULE tmp; 62
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112 idea_set_encrypt_key(key, &tmp); 113 idea_set_decrypt_key(&tmp, ctx->cipher_data);
| 63 IDEA_set_encrypt_key(key, &tmp); 64 IDEA_set_decrypt_key(&tmp, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
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114 OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE)); 115 } 116 return 1; 117} 118 119#endif
| 65 OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE)); 66 } 67 return 1; 68} 69 70#endif
|