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e_gost2814789.c

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1/* $OpenBSD: e_gost2814789.c,v 1.4 2017/01/29 17:49:23 beck Exp $ */-
2/*-
3 * Copyright (c) 2014 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>-
4 * Copyright (c) 2005-2006 Cryptocom LTD-
5 *-
6 * Redistribution and use in source and binary forms, with or without-
7 * modification, are permitted provided that the following conditions-
8 * are met:-
9 *-
10 * 1. Redistributions of source code must retain the above copyright-
11 * notice, this list of conditions and the following disclaimer.-
12 *-
13 * 2. Redistributions in binary form must reproduce the above copyright-
14 * notice, this list of conditions and the following disclaimer in-
15 * the documentation and/or other materials provided with the-
16 * distribution.-
17 *-
18 * 3. All advertising materials mentioning features or use of this-
19 * software must display the following acknowledgment:-
20 * "This product includes software developed by the OpenSSL Project-
21 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"-
22 *-
23 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to-
24 * endorse or promote products derived from this software without-
25 * prior written permission. For written permission, please contact-
26 * openssl-core@openssl.org.-
27 *-
28 * 5. Products derived from this software may not be called "OpenSSL"-
29 * nor may "OpenSSL" appear in their names without prior written-
30 * permission of the OpenSSL Project.-
31 *-
32 * 6. Redistributions of any form whatsoever must retain the following-
33 * acknowledgment:-
34 * "This product includes software developed by the OpenSSL Project-
35 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"-
36 *-
37 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY-
38 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE-
39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR-
40 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR-
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,-
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT-
43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;-
44 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)-
45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,-
46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)-
47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED-
48 * OF THE POSSIBILITY OF SUCH DAMAGE.-
49 * ====================================================================-
50 */-
51#include <string.h>-
52-
53#include <openssl/opensslconf.h>-
54-
55#ifndef OPENSSL_NO_GOST-
56#include <openssl/evp.h>-
57#include <openssl/err.h>-
58#include <openssl/gost.h>-
59#include "evp_locl.h"-
60-
61typedef struct {-
62 GOST2814789_KEY ks;-
63 int param_nid;-
64} EVP_GOST2814789_CTX;-
65-
66static int-
67gost2814789_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)-
68{-
69 EVP_GOST2814789_CTX *c = ctx->cipher_data;-
70-
71 switch (type) {-
72 case EVP_CTRL_PBE_PRF_NID:
never executed: case 0x7:
0
73 if (ptr != NULL) {
ptr != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
74 *((int *)ptr) = NID_id_HMACGostR3411_94;-
75 return 1;
never executed: return 1;
0
76 } else {-
77 return 0;
never executed: return 0;
0
78 }-
79 case EVP_CTRL_INIT:
executed 12 times by 1 test: case 0x0:
Executed by:
  • gost2814789t
12
80 /* Default value to have any s-box set at all */-
81 c->param_nid = NID_id_Gost28147_89_CryptoPro_A_ParamSet;-
82 return Gost2814789_set_sbox(&c->ks, c->param_nid);
executed 12 times by 1 test: return Gost2814789_set_sbox(&c->ks, c->param_nid);
Executed by:
  • gost2814789t
12
83 case EVP_CTRL_GOST_SET_SBOX:
executed 12 times by 1 test: case 0x19:
Executed by:
  • gost2814789t
12
84 return Gost2814789_set_sbox(&c->ks, arg);
executed 12 times by 1 test: return Gost2814789_set_sbox(&c->ks, arg);
Executed by:
  • gost2814789t
12
85 default:
never executed: default:
0
86 return -1;
never executed: return -1;
0
87 }-
88}-
89-
90static int-
91gost2814789_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
92 const unsigned char *iv, int enc)-
93{-
94 EVP_GOST2814789_CTX *c = ctx->cipher_data;-
95-
96 return Gost2814789_set_key(&c->ks, key, ctx->key_len * 8);
executed 12 times by 1 test: return Gost2814789_set_key(&c->ks, key, ctx->key_len * 8);
Executed by:
  • gost2814789t
12
97}-
98-
99int-
100gost2814789_set_asn1_params(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)-
101{-
102 int len = 0;-
103 unsigned char *buf = NULL;-
104 unsigned char *p = NULL;-
105 EVP_GOST2814789_CTX *c = ctx->cipher_data;-
106 ASN1_OCTET_STRING *os = NULL;-
107 GOST_CIPHER_PARAMS *gcp = GOST_CIPHER_PARAMS_new();-
108-
109 if (gcp == NULL) {
gcp == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
110 GOSTerror(ERR_R_MALLOC_FAILURE);-
111 return 0;
never executed: return 0;
0
112 }-
113 if (ASN1_OCTET_STRING_set(gcp->iv, ctx->iv, ctx->cipher->iv_len) == 0) {
ASN1_OCTET_STR...->iv_len) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
114 GOST_CIPHER_PARAMS_free(gcp);-
115 GOSTerror(ERR_R_ASN1_LIB);-
116 return 0;
never executed: return 0;
0
117 }-
118 ASN1_OBJECT_free(gcp->enc_param_set);-
119 gcp->enc_param_set = OBJ_nid2obj(c->param_nid);-
120-
121 len = i2d_GOST_CIPHER_PARAMS(gcp, NULL);-
122 p = buf = malloc(len);-
123 if (buf == NULL) {
buf == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
124 GOST_CIPHER_PARAMS_free(gcp);-
125 GOSTerror(ERR_R_MALLOC_FAILURE);-
126 return 0;
never executed: return 0;
0
127 }-
128 i2d_GOST_CIPHER_PARAMS(gcp, &p);-
129 GOST_CIPHER_PARAMS_free(gcp);-
130-
131 os = ASN1_OCTET_STRING_new();-
132 if (os == NULL) {
os == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
133 free(buf);-
134 GOSTerror(ERR_R_MALLOC_FAILURE);-
135 return 0;
never executed: return 0;
0
136 }-
137 if (ASN1_OCTET_STRING_set(os, buf, len) == 0) {
ASN1_OCTET_STR...buf, len) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
138 ASN1_OCTET_STRING_free(os);-
139 free(buf);-
140 GOSTerror(ERR_R_ASN1_LIB);-
141 return 0;
never executed: return 0;
0
142 }-
143 free(buf);-
144-
145 ASN1_TYPE_set(params, V_ASN1_SEQUENCE, os);-
146 return 1;
never executed: return 1;
0
147}-
148-
149int-
150gost2814789_get_asn1_params(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)-
151{-
152 int ret = -1;-
153 int len;-
154 GOST_CIPHER_PARAMS *gcp = NULL;-
155 EVP_GOST2814789_CTX *c = ctx->cipher_data;-
156 unsigned char *p;-
157-
158 if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE)
ASN1_TYPE_get(params) != 16Description
TRUEnever evaluated
FALSEnever evaluated
0
159 return ret;
never executed: return ret;
0
160-
161 p = params->value.sequence->data;-
162-
163 gcp = d2i_GOST_CIPHER_PARAMS(NULL, (const unsigned char **)&p,-
164 params->value.sequence->length);-
165-
166 len = gcp->iv->length;-
167 if (len != ctx->cipher->iv_len) {
len != ctx->cipher->iv_lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
168 GOST_CIPHER_PARAMS_free(gcp);-
169 GOSTerror(GOST_R_INVALID_IV_LENGTH);-
170 return -1;
never executed: return -1;
0
171 }-
172-
173 if (!Gost2814789_set_sbox(&c->ks, OBJ_obj2nid(gcp->enc_param_set))) {
!Gost2814789_s...nc_param_set))Description
TRUEnever evaluated
FALSEnever evaluated
0
174 GOST_CIPHER_PARAMS_free(gcp);-
175 return -1;
never executed: return -1;
0
176 }-
177 c->param_nid = OBJ_obj2nid(gcp->enc_param_set);-
178-
179 memcpy(ctx->oiv, gcp->iv->data, len);-
180 memcpy(ctx->iv, gcp->iv->data, len);-
181-
182 GOST_CIPHER_PARAMS_free(gcp);-
183-
184 return 1;
never executed: return 1;
0
185}-
186-
187BLOCK_CIPHER_func_ecb(gost2814789, Gost2814789, EVP_GOST2814789_CTX, ks)
never executed: return 1;
executed 5 times by 1 test: Gost2814789_ecb_encrypt(in + i, out + i, &((EVP_GOST2814789_CTX *)ctx->cipher_data)->ks, ctx->encrypt);
Executed by:
  • gost2814789t
executed 4 times by 1 test: return 1;
Executed by:
  • gost2814789t
inl < blDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • gost2814789t
i <= inlDescription
TRUEevaluated 5 times by 1 test
Evaluated by:
  • gost2814789t
FALSEevaluated 4 times by 1 test
Evaluated by:
  • gost2814789t
0-5
188BLOCK_CIPHER_func_cfb(gost2814789, Gost2814789, 64, EVP_GOST2814789_CTX, ks)
never executed: chunk>>=3;
executed 5 times by 1 test: chunk=inl;
Executed by:
  • gost2814789t
executed 5 times by 1 test: chunk=inl;
Executed by:
  • gost2814789t
executed 5 times by 1 test: end of block
Executed by:
  • gost2814789t
executed 5 times by 1 test: return 1;
Executed by:
  • gost2814789t
64==1Description
TRUEnever evaluated
FALSEevaluated 5 times by 1 test
Evaluated by:
  • gost2814789t
inl<chunkDescription
TRUEevaluated 5 times by 1 test
Evaluated by:
  • gost2814789t
FALSEnever evaluated
inl<chunkDescription
TRUEevaluated 5 times by 1 test
Evaluated by:
  • gost2814789t
FALSEnever evaluated
inlDescription
TRUEevaluated 5 times by 1 test
Evaluated by:
  • gost2814789t
FALSEevaluated 5 times by 1 test
Evaluated by:
  • gost2814789t
inl>=chunkDescription
TRUEevaluated 5 times by 1 test
Evaluated by:
  • gost2814789t
FALSEnever evaluated
0-5
189-
190static int-
191gost2814789_cnt_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
192 const unsigned char *in, size_t inl)-
193{-
194 EVP_GOST2814789_CTX *c = ctx->cipher_data;-
195-
196 while (inl >= EVP_MAXCHUNK) {
inl >= ((size_...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • gost2814789t
0-3
197 Gost2814789_cnt_encrypt(in, out, (long)EVP_MAXCHUNK, &c->ks,-
198 ctx->iv, ctx->buf, &ctx->num);-
199 inl -= EVP_MAXCHUNK;-
200 in += EVP_MAXCHUNK;-
201 out += EVP_MAXCHUNK;-
202 }
never executed: end of block
0
203-
204 if (inl)
inlDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • gost2814789t
FALSEnever evaluated
0-3
205 Gost2814789_cnt_encrypt(in, out, inl, &c->ks, ctx->iv, ctx->buf,
executed 3 times by 1 test: Gost2814789_cnt_encrypt(in, out, inl, &c->ks, ctx->iv, ctx->buf, &ctx->num);
Executed by:
  • gost2814789t
3
206 &ctx->num);
executed 3 times by 1 test: Gost2814789_cnt_encrypt(in, out, inl, &c->ks, ctx->iv, ctx->buf, &ctx->num);
Executed by:
  • gost2814789t
3
207 return 1;
executed 3 times by 1 test: return 1;
Executed by:
  • gost2814789t
3
208}-
209-
210/* gost89 is CFB-64 */-
211#define NID_gost89_cfb64 NID_id_Gost28147_89-
212-
213BLOCK_CIPHER_def_ecb(gost2814789, EVP_GOST2814789_CTX, NID_gost89, 8, 32,
executed 292 times by 33 tests: return &gost2814789_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
214 EVP_CIPH_NO_PADDING | EVP_CIPH_CTRL_INIT,-
215 gost2814789_init_key, NULL, gost2814789_set_asn1_params,-
216 gost2814789_get_asn1_params, gost2814789_ctl)-
217BLOCK_CIPHER_def_cfb(gost2814789, EVP_GOST2814789_CTX, NID_gost89, 32, 8, 64,
executed 625 times by 33 tests: return &gost2814789_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
  • ...
625
218 EVP_CIPH_NO_PADDING | EVP_CIPH_CTRL_INIT,-
219 gost2814789_init_key, NULL, gost2814789_set_asn1_params,-
220 gost2814789_get_asn1_params, gost2814789_ctl)-
221BLOCK_CIPHER_def1(gost2814789, cnt, cnt, OFB, EVP_GOST2814789_CTX, NID_gost89,
executed 625 times by 33 tests: return &gost2814789_cnt;
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
  • ...
625
222 1, 32, 8, EVP_CIPH_NO_PADDING | EVP_CIPH_CTRL_INIT,-
223 gost2814789_init_key, NULL, gost2814789_set_asn1_params,-
224 gost2814789_get_asn1_params, gost2814789_ctl)-
225#endif-
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