OpenCoverage

des_enc.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/des/des_enc.c
Source codeSwitch to Preprocessed file
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1/*-
2 * Copyright 1995-2016 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 <openssl/crypto.h>-
11#include "des_locl.h"-
12#include "spr.h"-
13-
14void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc)-
15{-
16 register DES_LONG l, r, t, u;-
17 register DES_LONG *s;-
18-
19 r = data[0];-
20 l = data[1];-
21-
22 IP(r, l);-
23 /*-
24 * Things have been modified so that the initial rotate is done outside-
25 * the loop. This required the DES_SPtrans values in sp.h to be rotated-
26 * 1 bit to the right. One perl script later and things have a 5% speed-
27 * up on a sparc2. Thanks to Richard Outerbridge for pointing this out.-
28 */-
29 /* clear the top bits on machines with 8byte longs */-
30 /* shift left by 2 */-
31 r = ROTATE(r, 29) & 0xffffffffL;-
32 l = ROTATE(l, 29) & 0xffffffffL;-
33-
34 s = ks->ks->deslong;-
35 /*-
36 * I don't know if it is worth the effort of loop unrolling the inner-
37 * loop-
38 */-
39 if (enc) {
encDescription
TRUEevaluated 42208 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 3568 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
3568-42208
40 D_ENCRYPT(l, r, 0); /* 1 */-
41 D_ENCRYPT(r, l, 2); /* 2 */-
42 D_ENCRYPT(l, r, 4); /* 3 */-
43 D_ENCRYPT(r, l, 6); /* 4 */-
44 D_ENCRYPT(l, r, 8); /* 5 */-
45 D_ENCRYPT(r, l, 10); /* 6 */-
46 D_ENCRYPT(l, r, 12); /* 7 */-
47 D_ENCRYPT(r, l, 14); /* 8 */-
48 D_ENCRYPT(l, r, 16); /* 9 */-
49 D_ENCRYPT(r, l, 18); /* 10 */-
50 D_ENCRYPT(l, r, 20); /* 11 */-
51 D_ENCRYPT(r, l, 22); /* 12 */-
52 D_ENCRYPT(l, r, 24); /* 13 */-
53 D_ENCRYPT(r, l, 26); /* 14 */-
54 D_ENCRYPT(l, r, 28); /* 15 */-
55 D_ENCRYPT(r, l, 30); /* 16 */-
56 } else {
executed 42208 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
42208
57 D_ENCRYPT(l, r, 30); /* 16 */-
58 D_ENCRYPT(r, l, 28); /* 15 */-
59 D_ENCRYPT(l, r, 26); /* 14 */-
60 D_ENCRYPT(r, l, 24); /* 13 */-
61 D_ENCRYPT(l, r, 22); /* 12 */-
62 D_ENCRYPT(r, l, 20); /* 11 */-
63 D_ENCRYPT(l, r, 18); /* 10 */-
64 D_ENCRYPT(r, l, 16); /* 9 */-
65 D_ENCRYPT(l, r, 14); /* 8 */-
66 D_ENCRYPT(r, l, 12); /* 7 */-
67 D_ENCRYPT(l, r, 10); /* 6 */-
68 D_ENCRYPT(r, l, 8); /* 5 */-
69 D_ENCRYPT(l, r, 6); /* 4 */-
70 D_ENCRYPT(r, l, 4); /* 3 */-
71 D_ENCRYPT(l, r, 2); /* 2 */-
72 D_ENCRYPT(r, l, 0); /* 1 */-
73 }
executed 3568 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
3568
74-
75 /* rotate and clear the top bits on machines with 8byte longs */-
76 l = ROTATE(l, 3) & 0xffffffffL;-
77 r = ROTATE(r, 3) & 0xffffffffL;-
78-
79 FP(r, l);-
80 data[0] = l;-
81 data[1] = r;-
82 l = r = t = u = 0;-
83}
executed 45776 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
45776
84-
85void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc)-
86{-
87 register DES_LONG l, r, t, u;-
88 register DES_LONG *s;-
89-
90 r = data[0];-
91 l = data[1];-
92-
93 /*-
94 * Things have been modified so that the initial rotate is done outside-
95 * the loop. This required the DES_SPtrans values in sp.h to be rotated-
96 * 1 bit to the right. One perl script later and things have a 5% speed-
97 * up on a sparc2. Thanks to Richard Outerbridge for pointing this out.-
98 */-
99 /* clear the top bits on machines with 8byte longs */-
100 r = ROTATE(r, 29) & 0xffffffffL;-
101 l = ROTATE(l, 29) & 0xffffffffL;-
102-
103 s = ks->ks->deslong;-
104 /*-
105 * I don't know if it is worth the effort of loop unrolling the inner-
106 * loop-
107 */-
108 if (enc) {
encDescription
TRUEevaluated 103635 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 58881 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
58881-103635
109 D_ENCRYPT(l, r, 0); /* 1 */-
110 D_ENCRYPT(r, l, 2); /* 2 */-
111 D_ENCRYPT(l, r, 4); /* 3 */-
112 D_ENCRYPT(r, l, 6); /* 4 */-
113 D_ENCRYPT(l, r, 8); /* 5 */-
114 D_ENCRYPT(r, l, 10); /* 6 */-
115 D_ENCRYPT(l, r, 12); /* 7 */-
116 D_ENCRYPT(r, l, 14); /* 8 */-
117 D_ENCRYPT(l, r, 16); /* 9 */-
118 D_ENCRYPT(r, l, 18); /* 10 */-
119 D_ENCRYPT(l, r, 20); /* 11 */-
120 D_ENCRYPT(r, l, 22); /* 12 */-
121 D_ENCRYPT(l, r, 24); /* 13 */-
122 D_ENCRYPT(r, l, 26); /* 14 */-
123 D_ENCRYPT(l, r, 28); /* 15 */-
124 D_ENCRYPT(r, l, 30); /* 16 */-
125 } else {
executed 103635 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
103635
126 D_ENCRYPT(l, r, 30); /* 16 */-
127 D_ENCRYPT(r, l, 28); /* 15 */-
128 D_ENCRYPT(l, r, 26); /* 14 */-
129 D_ENCRYPT(r, l, 24); /* 13 */-
130 D_ENCRYPT(l, r, 22); /* 12 */-
131 D_ENCRYPT(r, l, 20); /* 11 */-
132 D_ENCRYPT(l, r, 18); /* 10 */-
133 D_ENCRYPT(r, l, 16); /* 9 */-
134 D_ENCRYPT(l, r, 14); /* 8 */-
135 D_ENCRYPT(r, l, 12); /* 7 */-
136 D_ENCRYPT(l, r, 10); /* 6 */-
137 D_ENCRYPT(r, l, 8); /* 5 */-
138 D_ENCRYPT(l, r, 6); /* 4 */-
139 D_ENCRYPT(r, l, 4); /* 3 */-
140 D_ENCRYPT(l, r, 2); /* 2 */-
141 D_ENCRYPT(r, l, 0); /* 1 */-
142 }
executed 58881 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
58881
143 /* rotate and clear the top bits on machines with 8byte longs */-
144 data[0] = ROTATE(l, 3) & 0xffffffffL;-
145 data[1] = ROTATE(r, 3) & 0xffffffffL;-
146 l = r = t = u = 0;-
147}
executed 162516 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
162516
148-
149void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,-
150 DES_key_schedule *ks2, DES_key_schedule *ks3)-
151{-
152 register DES_LONG l, r;-
153-
154 l = data[0];-
155 r = data[1];-
156 IP(l, r);-
157 data[0] = l;-
158 data[1] = r;-
159 DES_encrypt2((DES_LONG *)data, ks1, DES_ENCRYPT);-
160 DES_encrypt2((DES_LONG *)data, ks2, DES_DECRYPT);-
161 DES_encrypt2((DES_LONG *)data, ks3, DES_ENCRYPT);-
162 l = data[0];-
163 r = data[1];-
164 FP(r, l);-
165 data[0] = l;-
166 data[1] = r;-
167}
executed 49463 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
49463
168-
169void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,-
170 DES_key_schedule *ks2, DES_key_schedule *ks3)-
171{-
172 register DES_LONG l, r;-
173-
174 l = data[0];-
175 r = data[1];-
176 IP(l, r);-
177 data[0] = l;-
178 data[1] = r;-
179 DES_encrypt2((DES_LONG *)data, ks3, DES_DECRYPT);-
180 DES_encrypt2((DES_LONG *)data, ks2, DES_ENCRYPT);-
181 DES_encrypt2((DES_LONG *)data, ks1, DES_DECRYPT);-
182 l = data[0];-
183 r = data[1];-
184 FP(r, l);-
185 data[0] = l;-
186 data[1] = r;-
187}
executed 4709 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
4709
188-
189#ifndef DES_DEFAULT_OPTIONS-
190-
191# undef CBC_ENC_C__DONT_UPDATE_IV-
192# include "ncbc_enc.c" /* DES_ncbc_encrypt */-
193-
194void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,-
195 long length, DES_key_schedule *ks1,-
196 DES_key_schedule *ks2, DES_key_schedule *ks3,-
197 DES_cblock *ivec, int enc)-
198{-
199 register DES_LONG tin0, tin1;-
200 register DES_LONG tout0, tout1, xor0, xor1;-
201 register const unsigned char *in;-
202 unsigned char *out;-
203 register long l = length;-
204 DES_LONG tin[2];-
205 unsigned char *iv;-
206-
207 in = input;-
208 out = output;-
209 iv = &(*ivec)[0];-
210-
211 if (enc) {
encDescription
TRUEevaluated 299 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 215 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
215-299
212 c2l(iv, tout0);-
213 c2l(iv, tout1);-
214 for (l -= 8; l >= 0; l -= 8) {
l >= 0Description
TRUEevaluated 2626 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 299 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
299-2626
215 c2l(in, tin0);-
216 c2l(in, tin1);-
217 tin0 ^= tout0;-
218 tin1 ^= tout1;-
219-
220 tin[0] = tin0;-
221 tin[1] = tin1;-
222 DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3);-
223 tout0 = tin[0];-
224 tout1 = tin[1];-
225-
226 l2c(tout0, out);-
227 l2c(tout1, out);-
228 }
executed 2626 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2626
229 if (l != -8) {
l != -8Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 298 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-298
230 c2ln(in, tin0, tin1, l + 8);
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
code before this statement never executed: case 7:
code before this statement never executed: case 6:
code before this statement never executed: case 5:
code before this statement executed 1 time by 1 test: case 4:
Executed by:
  • libcrypto.so.1.1
code before this statement executed 1 time by 1 test: case 3:
Executed by:
  • libcrypto.so.1.1
code before this statement executed 1 time by 1 test: case 2:
Executed by:
  • libcrypto.so.1.1
code before this statement executed 1 time by 1 test: case 1:
Executed by:
  • libcrypto.so.1.1
never executed: case 8:
never executed: case 7:
never executed: case 6:
executed 1 time by 1 test: case 5:
Executed by:
  • libcrypto.so.1.1
never executed: case 4:
never executed: case 3:
never executed: case 2:
executed 1 time by 1 test: case 1:
Executed by:
  • libcrypto.so.1.1
0-1
231 tin0 ^= tout0;-
232 tin1 ^= tout1;-
233-
234 tin[0] = tin0;-
235 tin[1] = tin1;-
236 DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3);-
237 tout0 = tin[0];-
238 tout1 = tin[1];-
239-
240 l2c(tout0, out);-
241 l2c(tout1, out);-
242 }
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1
243 iv = &(*ivec)[0];-
244 l2c(tout0, iv);-
245 l2c(tout1, iv);-
246 } else {
executed 299 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
299
247 register DES_LONG t0, t1;-
248-
249 c2l(iv, xor0);-
250 c2l(iv, xor1);-
251 for (l -= 8; l >= 0; l -= 8) {
l >= 0Description
TRUEevaluated 2612 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 215 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
215-2612
252 c2l(in, tin0);-
253 c2l(in, tin1);-
254-
255 t0 = tin0;-
256 t1 = tin1;-
257-
258 tin[0] = tin0;-
259 tin[1] = tin1;-
260 DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3);-
261 tout0 = tin[0];-
262 tout1 = tin[1];-
263-
264 tout0 ^= xor0;-
265 tout1 ^= xor1;-
266 l2c(tout0, out);-
267 l2c(tout1, out);-
268 xor0 = t0;-
269 xor1 = t1;-
270 }
executed 2612 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2612
271 if (l != -8) {
l != -8Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 214 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-214
272 c2l(in, tin0);-
273 c2l(in, tin1);-
274-
275 t0 = tin0;-
276 t1 = tin1;-
277-
278 tin[0] = tin0;-
279 tin[1] = tin1;-
280 DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3);-
281 tout0 = tin[0];-
282 tout1 = tin[1];-
283-
284 tout0 ^= xor0;-
285 tout1 ^= xor1;-
286 l2cn(tout0, tout1, out, l + 8);
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
code before this statement never executed: case 7:
code before this statement never executed: case 6:
code before this statement never executed: case 5:
code before this statement executed 1 time by 1 test: case 4:
Executed by:
  • libcrypto.so.1.1
code before this statement executed 1 time by 1 test: case 3:
Executed by:
  • libcrypto.so.1.1
code before this statement executed 1 time by 1 test: case 2:
Executed by:
  • libcrypto.so.1.1
code before this statement executed 1 time by 1 test: case 1:
Executed by:
  • libcrypto.so.1.1
never executed: case 8:
never executed: case 7:
never executed: case 6:
executed 1 time by 1 test: case 5:
Executed by:
  • libcrypto.so.1.1
never executed: case 4:
never executed: case 3:
never executed: case 2:
executed 1 time by 1 test: case 1:
Executed by:
  • libcrypto.so.1.1
0-1
287 xor0 = t0;-
288 xor1 = t1;-
289 }
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1
290-
291 iv = &(*ivec)[0];-
292 l2c(xor0, iv);-
293 l2c(xor1, iv);-
294 }
executed 215 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
215
295 tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;-
296 tin[0] = tin[1] = 0;-
297}
executed 514 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
514
298-
299#endif /* DES_DEFAULT_OPTIONS */-
Source codeSwitch to Preprocessed file
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