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e_idea.c

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1/* $OpenBSD: e_idea.c,v 1.10 2015/09/10 15:56:25 jsing Exp $ */-
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)-
3 * All rights reserved.-
4 *-
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.]-
57 */-
58-
59#include <stdio.h>-
60#include <string.h>-
61-
62#include <openssl/opensslconf.h>-
63-
64#ifndef OPENSSL_NO_IDEA-
65-
66#include <openssl/evp.h>-
67#include <openssl/idea.h>-
68#include <openssl/objects.h>-
69-
70#include "evp_locl.h"-
71-
72static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
73 const unsigned char *iv, int enc);-
74-
75/* NB idea_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a special-
76 * case-
77 */-
78-
79static int-
80idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
81 const unsigned char *in, size_t inl)-
82{-
83 BLOCK_CIPHER_ecb_loop()
never executed: return 1;
inl < blDescription
TRUEnever evaluated
FALSEnever evaluated
i <= inlDescription
TRUEnever evaluated
FALSEnever evaluated
0
84 idea_ecb_encrypt(in + i, out + i, ctx->cipher_data);
never executed: idea_ecb_encrypt(in + i, out + i, ctx->cipher_data);
0
85 return 1;
never executed: return 1;
0
86}-
87-
88/* Can't use IMPLEMENT_BLOCK_CIPHER because idea_ecb_encrypt is different */-
89-
90typedef struct {-
91 IDEA_KEY_SCHEDULE ks;-
92} EVP_IDEA_KEY;-
93-
94BLOCK_CIPHER_func_cbc(idea, idea, EVP_IDEA_KEY, ks)
never executed: end of block
never executed: idea_cbc_encrypt(in, out, (long)inl, &((EVP_IDEA_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
never executed: return 1;
inlDescription
TRUEnever evaluated
FALSEnever evaluated
inl>=((size_t)...of(long)*8-2))Description
TRUEnever evaluated
FALSEnever evaluated
0
95BLOCK_CIPHER_func_ofb(idea, idea, 64, EVP_IDEA_KEY, ks)
never executed: end of block
never executed: idea_ofb64_encrypt(in, out, (long)inl, &((EVP_IDEA_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
never executed: return 1;
inlDescription
TRUEnever evaluated
FALSEnever evaluated
inl>=((size_t)...of(long)*8-2))Description
TRUEnever evaluated
FALSEnever evaluated
0
96BLOCK_CIPHER_func_cfb(idea, idea, 64, EVP_IDEA_KEY, ks)
never executed: chunk>>=3;
never executed: chunk=inl;
never executed: chunk=inl;
never executed: end of block
never executed: return 1;
64==1Description
TRUEnever evaluated
FALSEnever evaluated
inl<chunkDescription
TRUEnever evaluated
FALSEnever evaluated
inl<chunkDescription
TRUEnever evaluated
FALSEnever evaluated
inlDescription
TRUEnever evaluated
FALSEnever evaluated
inl>=chunkDescription
TRUEnever evaluated
FALSEnever evaluated
0
97-
98BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8, 64,
executed 292 times by 33 tests: return &idea_cbc;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
executed 292 times by 33 tests: return &idea_cfb64;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
executed 292 times by 33 tests: return &idea_ofb;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
executed 292 times by 33 tests: return &idea_ecb;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
292
99 0, idea_init_key, NULL,-
100 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)-
101-
102static int-
103idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
104 const unsigned char *iv, int enc)-
105{-
106 if (!enc) {
!encDescription
TRUEnever evaluated
FALSEnever evaluated
0
107 if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE)
(EVP_CIPHER_CT...xF0007) == 0x4Description
TRUEnever evaluated
FALSEnever evaluated
0
108 enc = 1;
never executed: enc = 1;
0
109 else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE)
(EVP_CIPHER_CT...xF0007) == 0x3Description
TRUEnever evaluated
FALSEnever evaluated
0
110 enc = 1;
never executed: enc = 1;
0
111 }
never executed: end of block
0
112 if (enc)
encDescription
TRUEnever evaluated
FALSEnever evaluated
0
113 idea_set_encrypt_key(key, ctx->cipher_data);
never executed: idea_set_encrypt_key(key, ctx->cipher_data);
0
114 else {-
115 IDEA_KEY_SCHEDULE tmp;-
116-
117 idea_set_encrypt_key(key, &tmp);-
118 idea_set_decrypt_key(&tmp, ctx->cipher_data);-
119 explicit_bzero((unsigned char *)&tmp,-
120 sizeof(IDEA_KEY_SCHEDULE));-
121 }
never executed: end of block
0
122 return 1;
never executed: return 1;
0
123}-
124-
125#endif-
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