OpenCoverage

e_des.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/evp/e_des.c
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1/*-
2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
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-
8 */-
9-
10#include <stdio.h>-
11#include "internal/cryptlib.h"-
12#ifndef OPENSSL_NO_DES-
13# include <openssl/evp.h>-
14# include <openssl/objects.h>-
15# include "internal/evp_int.h"-
16# include <openssl/des.h>-
17# include <openssl/rand.h>-
18-
19typedef struct {-
20 union {-
21 double align;-
22 DES_key_schedule ks;-
23 } ks;-
24 union {-
25 void (*cbc) (const void *, void *, size_t,-
26 const DES_key_schedule *, unsigned char *);-
27 } stream;-
28} EVP_DES_KEY;-
29-
30# if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))-
31/* ----------^^^ this is not a typo, just a way to detect that-
32 * assembler support was in general requested... */-
33# include "sparc_arch.h"-
34-
35extern unsigned int OPENSSL_sparcv9cap_P[];-
36-
37# define SPARC_DES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_DES)-
38-
39void des_t4_key_expand(const void *key, DES_key_schedule *ks);-
40void des_t4_cbc_encrypt(const void *inp, void *out, size_t len,-
41 const DES_key_schedule *ks, unsigned char iv[8]);-
42void des_t4_cbc_decrypt(const void *inp, void *out, size_t len,-
43 const DES_key_schedule *ks, unsigned char iv[8]);-
44# endif-
45-
46static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
47 const unsigned char *iv, int enc);-
48static int des_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);-
49-
50/*-
51 * Because of various casts and different names can't use-
52 * IMPLEMENT_BLOCK_CIPHER-
53 */-
54-
55static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
56 const unsigned char *in, size_t inl)-
57{-
58 BLOCK_CIPHER_ecb_loop()
never executed: return 1;
inl < blDescription
TRUEnever evaluated
FALSEevaluated 297 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
i <= inlDescription
TRUEevaluated 1740 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 297 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1740
59 DES_ecb_encrypt((DES_cblock *)(in + i), (DES_cblock *)(out + i),
executed 1740 times by 1 test: DES_ecb_encrypt((DES_cblock *)(in + i), (DES_cblock *)(out + i), EVP_CIPHER_CTX_get_cipher_data(ctx), EVP_CIPHER_CTX_encrypting(ctx));
Executed by:
  • libcrypto.so.1.1
1740
60 EVP_CIPHER_CTX_get_cipher_data(ctx),
executed 1740 times by 1 test: DES_ecb_encrypt((DES_cblock *)(in + i), (DES_cblock *)(out + i), EVP_CIPHER_CTX_get_cipher_data(ctx), EVP_CIPHER_CTX_encrypting(ctx));
Executed by:
  • libcrypto.so.1.1
1740
61 EVP_CIPHER_CTX_encrypting(ctx));
executed 1740 times by 1 test: DES_ecb_encrypt((DES_cblock *)(in + i), (DES_cblock *)(out + i), EVP_CIPHER_CTX_get_cipher_data(ctx), EVP_CIPHER_CTX_encrypting(ctx));
Executed by:
  • libcrypto.so.1.1
1740
62 return 1;
executed 297 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
297
63}-
64-
65static int des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
66 const unsigned char *in, size_t inl)-
67{-
68 while (inl >= EVP_MAXCHUNK) {
inl >= ((size_...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-70
69 int num = EVP_CIPHER_CTX_num(ctx);-
70 DES_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,-
71 EVP_CIPHER_CTX_get_cipher_data(ctx),-
72 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num);-
73 EVP_CIPHER_CTX_set_num(ctx, num);-
74 inl -= EVP_MAXCHUNK;-
75 in += EVP_MAXCHUNK;-
76 out += EVP_MAXCHUNK;-
77 }
never executed: end of block
0
78 if (inl) {
inlDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-70
79 int num = EVP_CIPHER_CTX_num(ctx);-
80 DES_ofb64_encrypt(in, out, (long)inl,-
81 EVP_CIPHER_CTX_get_cipher_data(ctx),-
82 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num);-
83 EVP_CIPHER_CTX_set_num(ctx, num);-
84 }
executed 70 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
70
85 return 1;
executed 70 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
70
86}-
87-
88static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
89 const unsigned char *in, size_t inl)-
90{-
91 EVP_DES_KEY *dat = (EVP_DES_KEY *) EVP_CIPHER_CTX_get_cipher_data(ctx);-
92-
93 if (dat->stream.cbc != NULL) {
dat->stream.cbc != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 258 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-258
94 (*dat->stream.cbc) (in, out, inl, &dat->ks.ks,-
95 EVP_CIPHER_CTX_iv_noconst(ctx));-
96 return 1;
never executed: return 1;
0
97 }-
98 while (inl >= EVP_MAXCHUNK) {
inl >= ((size_...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 258 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-258
99 DES_ncbc_encrypt(in, out, (long)EVP_MAXCHUNK,-
100 EVP_CIPHER_CTX_get_cipher_data(ctx),-
101 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),-
102 EVP_CIPHER_CTX_encrypting(ctx));-
103 inl -= EVP_MAXCHUNK;-
104 in += EVP_MAXCHUNK;-
105 out += EVP_MAXCHUNK;-
106 }
never executed: end of block
0
107 if (inl)
inlDescription
TRUEevaluated 258 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-258
108 DES_ncbc_encrypt(in, out, (long)inl,
executed 258 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
258
109 EVP_CIPHER_CTX_get_cipher_data(ctx),
executed 258 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
258
110 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
executed 258 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
258
111 EVP_CIPHER_CTX_encrypting(ctx));
executed 258 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
258
112 return 1;
executed 258 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
258
113}-
114-
115static int des_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
116 const unsigned char *in, size_t inl)-
117{-
118 while (inl >= EVP_MAXCHUNK) {
inl >= ((size_...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-70
119 int num = EVP_CIPHER_CTX_num(ctx);-
120 DES_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK,-
121 EVP_CIPHER_CTX_get_cipher_data(ctx),-
122 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num,-
123 EVP_CIPHER_CTX_encrypting(ctx));-
124 EVP_CIPHER_CTX_set_num(ctx, num);-
125 inl -= EVP_MAXCHUNK;-
126 in += EVP_MAXCHUNK;-
127 out += EVP_MAXCHUNK;-
128 }
never executed: end of block
0
129 if (inl) {
inlDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-70
130 int num = EVP_CIPHER_CTX_num(ctx);-
131 DES_cfb64_encrypt(in, out, (long)inl,-
132 EVP_CIPHER_CTX_get_cipher_data(ctx),-
133 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx), &num,-
134 EVP_CIPHER_CTX_encrypting(ctx));-
135 EVP_CIPHER_CTX_set_num(ctx, num);-
136 }
executed 70 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
70
137 return 1;
executed 70 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
70
138}-
139-
140/*-
141 * Although we have a CFB-r implementation for DES, it doesn't pack the right-
142 * way, so wrap it here-
143 */-
144static int des_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
145 const unsigned char *in, size_t inl)-
146{-
147 size_t n, chunk = EVP_MAXCHUNK / 8;-
148 unsigned char c[1], d[1];-
149-
150 if (inl < chunk)
inl < chunkDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
151 chunk = inl;
executed 2 times by 1 test: chunk = inl;
Executed by:
  • libcrypto.so.1.1
2
152-
153 while (inl && inl >= chunk) {
inlDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
inl >= chunkDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
154 for (n = 0; n < chunk * 8; ++n) {
n < chunk * 8Description
TRUEevaluated 31360 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-31360
155 c[0] = (in[n / 8] & (1 << (7 - n % 8))) ? 0x80 : 0;
(in[n / 8] & (... (7 - n % 8)))Description
TRUEevaluated 14277 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 17083 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
14277-17083
156 DES_cfb_encrypt(c, d, 1, 1, EVP_CIPHER_CTX_get_cipher_data(ctx),-
157 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),-
158 EVP_CIPHER_CTX_encrypting(ctx));-
159 out[n / 8] =-
160 (out[n / 8] & ~(0x80 >> (unsigned int)(n % 8))) |-
161 ((d[0] & 0x80) >> (unsigned int)(n % 8));-
162 }
executed 31360 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
31360
163 inl -= chunk;-
164 in += chunk;-
165 out += chunk;-
166 if (inl < chunk)
inl < chunkDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
167 chunk = inl;
executed 2 times by 1 test: chunk = inl;
Executed by:
  • libcrypto.so.1.1
2
168 }
executed 2 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2
169-
170 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
171}-
172-
173static int des_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,-
174 const unsigned char *in, size_t inl)-
175{-
176 while (inl >= EVP_MAXCHUNK) {
inl >= ((size_...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
177 DES_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK,-
178 EVP_CIPHER_CTX_get_cipher_data(ctx),-
179 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),-
180 EVP_CIPHER_CTX_encrypting(ctx));-
181 inl -= EVP_MAXCHUNK;-
182 in += EVP_MAXCHUNK;-
183 out += EVP_MAXCHUNK;-
184 }
never executed: end of block
0
185 if (inl)
inlDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
186 DES_cfb_encrypt(in, out, 8, (long)inl,
executed 2 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
2
187 EVP_CIPHER_CTX_get_cipher_data(ctx),
executed 2 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
2
188 (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
executed 2 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
2
189 EVP_CIPHER_CTX_encrypting(ctx));
executed 2 times by 1 test: 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));
Executed by:
  • libcrypto.so.1.1
2
190 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
191}-
192-
193BLOCK_CIPHER_defs(des, EVP_DES_KEY, NID_des, 8, 8, 8, 64,
executed 3920 times by 1 test: return &des_cbc;
Executed by:
  • libcrypto.so.1.1
executed 1962 times by 1 test: return &des_cfb64;
Executed by:
  • libcrypto.so.1.1
executed 1962 times by 1 test: return &des_ofb;
Executed by:
  • libcrypto.so.1.1
executed 1962 times by 1 test: return &des_ecb;
Executed by:
  • libcrypto.so.1.1
1962-3920
194 EVP_CIPH_RAND_KEY, des_init_key, NULL,-
195 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des_ctrl)-
196-
197 BLOCK_CIPHER_def_cfb(des, EVP_DES_KEY, NID_des, 8, 8, 1,
executed 1962 times by 1 test: return &des_cfb1;
Executed by:
  • libcrypto.so.1.1
1962
198 EVP_CIPH_RAND_KEY, des_init_key, NULL,-
199 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des_ctrl)-
200-
201 BLOCK_CIPHER_def_cfb(des, EVP_DES_KEY, NID_des, 8, 8, 8,
executed 1962 times by 1 test: return &des_cfb8;
Executed by:
  • libcrypto.so.1.1
1962
202 EVP_CIPH_RAND_KEY, des_init_key, NULL,-
203 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des_ctrl)-
204-
205static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
206 const unsigned char *iv, int enc)-
207{-
208 DES_cblock *deskey = (DES_cblock *)key;-
209 EVP_DES_KEY *dat = (EVP_DES_KEY *) EVP_CIPHER_CTX_get_cipher_data(ctx);-
210-
211 dat->stream.cbc = NULL;-
212# if defined(SPARC_DES_CAPABLE)-
213 if (SPARC_DES_CAPABLE) {-
214 int mode = EVP_CIPHER_CTX_mode(ctx);-
215-
216 if (mode == EVP_CIPH_CBC_MODE) {-
217 des_t4_key_expand(key, &dat->ks.ks);-
218 dat->stream.cbc = enc ? des_t4_cbc_encrypt : des_t4_cbc_decrypt;-
219 return 1;-
220 }-
221 }-
222# endif-
223 DES_set_key_unchecked(deskey, EVP_CIPHER_CTX_get_cipher_data(ctx));-
224 return 1;
executed 202 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
202
225}-
226-
227static int des_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)-
228{-
229-
230 switch (type) {-
231 case EVP_CTRL_RAND_KEY:
never executed: case 0x6:
0
232 if (RAND_priv_bytes(ptr, 8) <= 0)
RAND_priv_bytes(ptr, 8) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
233 return 0;
never executed: return 0;
0
234 DES_set_odd_parity((DES_cblock *)ptr);-
235 return 1;
never executed: return 1;
0
236-
237 default:
never executed: default:
0
238 return -1;
never executed: return -1;
0
239 }-
240}-
241-
242#endif-
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