Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/idea/i_cbc.c |
Source code | Switch 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/idea.h> | - | ||||||||||||||||||||||||
11 | #include "idea_lcl.h" | - | ||||||||||||||||||||||||
12 | - | |||||||||||||||||||||||||
13 | void IDEA_cbc_encrypt(const unsigned char *in, unsigned char *out, | - | ||||||||||||||||||||||||
14 | long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, | - | ||||||||||||||||||||||||
15 | int encrypt) | - | ||||||||||||||||||||||||
16 | { | - | ||||||||||||||||||||||||
17 | register unsigned long tin0, tin1; | - | ||||||||||||||||||||||||
18 | register unsigned long tout0, tout1, xor0, xor1; | - | ||||||||||||||||||||||||
19 | register long l = length; | - | ||||||||||||||||||||||||
20 | unsigned long tin[2]; | - | ||||||||||||||||||||||||
21 | - | |||||||||||||||||||||||||
22 | if (encrypt) {
| 173-349 | ||||||||||||||||||||||||
23 | n2l(iv, tout0); | - | ||||||||||||||||||||||||
24 | n2l(iv, tout1); | - | ||||||||||||||||||||||||
25 | iv -= 8; | - | ||||||||||||||||||||||||
26 | for (l -= 8; l >= 0; l -= 8) {
| 349-2501 | ||||||||||||||||||||||||
27 | n2l(in, tin0); | - | ||||||||||||||||||||||||
28 | n2l(in, tin1); | - | ||||||||||||||||||||||||
29 | tin0 ^= tout0; | - | ||||||||||||||||||||||||
30 | tin1 ^= tout1; | - | ||||||||||||||||||||||||
31 | tin[0] = tin0; | - | ||||||||||||||||||||||||
32 | tin[1] = tin1; | - | ||||||||||||||||||||||||
33 | IDEA_encrypt(tin, ks); | - | ||||||||||||||||||||||||
34 | tout0 = tin[0]; | - | ||||||||||||||||||||||||
35 | l2n(tout0, out); | - | ||||||||||||||||||||||||
36 | tout1 = tin[1]; | - | ||||||||||||||||||||||||
37 | l2n(tout1, out); | - | ||||||||||||||||||||||||
38 | } executed 2501 times by 1 test: end of block Executed by:
| 2501 | ||||||||||||||||||||||||
39 | if (l != -8) {
| 1-348 | ||||||||||||||||||||||||
40 | n2ln(in, tin0, tin1, l + 8); executed 1 time by 1 test: end of block Executed by:
code before this statement never executed: case 7: code before this statement never executed: case 6: code before this statement executed 1 time by 1 test: case 5: Executed by:
code before this statement executed 1 time by 1 test: case 4: Executed by:
code before this statement executed 1 time by 1 test: case 3: Executed by:
code before this statement executed 1 time by 1 test: case 2: Executed by:
code before this statement executed 1 time by 1 test: case 1: Executed by:
never executed: case 8: never executed: case 7: executed 1 time by 1 test: case 6: Executed by:
never executed: case 5: never executed: case 4: never executed: case 3: never executed: case 2: executed 1 time by 1 test: case 1: Executed by:
| 0-1 | ||||||||||||||||||||||||
41 | tin0 ^= tout0; | - | ||||||||||||||||||||||||
42 | tin1 ^= tout1; | - | ||||||||||||||||||||||||
43 | tin[0] = tin0; | - | ||||||||||||||||||||||||
44 | tin[1] = tin1; | - | ||||||||||||||||||||||||
45 | IDEA_encrypt(tin, ks); | - | ||||||||||||||||||||||||
46 | tout0 = tin[0]; | - | ||||||||||||||||||||||||
47 | l2n(tout0, out); | - | ||||||||||||||||||||||||
48 | tout1 = tin[1]; | - | ||||||||||||||||||||||||
49 | l2n(tout1, out); | - | ||||||||||||||||||||||||
50 | } executed 1 time by 1 test: end of block Executed by:
| 1 | ||||||||||||||||||||||||
51 | l2n(tout0, iv); | - | ||||||||||||||||||||||||
52 | l2n(tout1, iv); | - | ||||||||||||||||||||||||
53 | } else { executed 349 times by 1 test: end of block Executed by:
| 349 | ||||||||||||||||||||||||
54 | n2l(iv, xor0); | - | ||||||||||||||||||||||||
55 | n2l(iv, xor1); | - | ||||||||||||||||||||||||
56 | iv -= 8; | - | ||||||||||||||||||||||||
57 | for (l -= 8; l >= 0; l -= 8) {
| 173-6985 | ||||||||||||||||||||||||
58 | n2l(in, tin0); | - | ||||||||||||||||||||||||
59 | tin[0] = tin0; | - | ||||||||||||||||||||||||
60 | n2l(in, tin1); | - | ||||||||||||||||||||||||
61 | tin[1] = tin1; | - | ||||||||||||||||||||||||
62 | IDEA_encrypt(tin, ks); | - | ||||||||||||||||||||||||
63 | tout0 = tin[0] ^ xor0; | - | ||||||||||||||||||||||||
64 | tout1 = tin[1] ^ xor1; | - | ||||||||||||||||||||||||
65 | l2n(tout0, out); | - | ||||||||||||||||||||||||
66 | l2n(tout1, out); | - | ||||||||||||||||||||||||
67 | xor0 = tin0; | - | ||||||||||||||||||||||||
68 | xor1 = tin1; | - | ||||||||||||||||||||||||
69 | } executed 6985 times by 1 test: end of block Executed by:
| 6985 | ||||||||||||||||||||||||
70 | if (l != -8) {
| 1-172 | ||||||||||||||||||||||||
71 | n2l(in, tin0); | - | ||||||||||||||||||||||||
72 | tin[0] = tin0; | - | ||||||||||||||||||||||||
73 | n2l(in, tin1); | - | ||||||||||||||||||||||||
74 | tin[1] = tin1; | - | ||||||||||||||||||||||||
75 | IDEA_encrypt(tin, ks); | - | ||||||||||||||||||||||||
76 | tout0 = tin[0] ^ xor0; | - | ||||||||||||||||||||||||
77 | tout1 = tin[1] ^ xor1; | - | ||||||||||||||||||||||||
78 | l2nn(tout0, tout1, out, l + 8); executed 1 time by 1 test: end of block Executed by:
code before this statement never executed: case 7: code before this statement never executed: case 6: code before this statement executed 1 time by 1 test: case 5: Executed by:
code before this statement executed 1 time by 1 test: case 4: Executed by:
code before this statement executed 1 time by 1 test: case 3: Executed by:
code before this statement executed 1 time by 1 test: case 2: Executed by:
code before this statement executed 1 time by 1 test: case 1: Executed by:
never executed: case 8: never executed: case 7: executed 1 time by 1 test: case 6: Executed by:
never executed: case 5: never executed: case 4: never executed: case 3: never executed: case 2: executed 1 time by 1 test: case 1: Executed by:
| 0-1 | ||||||||||||||||||||||||
79 | xor0 = tin0; | - | ||||||||||||||||||||||||
80 | xor1 = tin1; | - | ||||||||||||||||||||||||
81 | } executed 1 time by 1 test: end of block Executed by:
| 1 | ||||||||||||||||||||||||
82 | l2n(xor0, iv); | - | ||||||||||||||||||||||||
83 | l2n(xor1, iv); | - | ||||||||||||||||||||||||
84 | } executed 173 times by 1 test: end of block Executed by:
| 173 | ||||||||||||||||||||||||
85 | tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; | - | ||||||||||||||||||||||||
86 | tin[0] = tin[1] = 0; | - | ||||||||||||||||||||||||
87 | } executed 522 times by 1 test: end of block Executed by:
| 522 | ||||||||||||||||||||||||
88 | - | |||||||||||||||||||||||||
89 | void IDEA_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key) | - | ||||||||||||||||||||||||
90 | { | - | ||||||||||||||||||||||||
91 | register IDEA_INT *p; | - | ||||||||||||||||||||||||
92 | register unsigned long x1, x2, x3, x4, t0, t1, ul; | - | ||||||||||||||||||||||||
93 | - | |||||||||||||||||||||||||
94 | x2 = d[0]; | - | ||||||||||||||||||||||||
95 | x1 = (x2 >> 16); | - | ||||||||||||||||||||||||
96 | x4 = d[1]; | - | ||||||||||||||||||||||||
97 | x3 = (x4 >> 16); | - | ||||||||||||||||||||||||
98 | - | |||||||||||||||||||||||||
99 | p = &(key->data[0][0]); | - | ||||||||||||||||||||||||
100 | - | |||||||||||||||||||||||||
101 | E_IDEA(0); executed 12445 times by 1 test: end of block Executed by:
executed 1763 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 12483 times by 1 test: end of block Executed by:
executed 1725 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14168 times by 1 test: end of block Executed by:
executed 40 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14144 times by 1 test: end of block Executed by:
executed 64 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 40-14168 | ||||||||||||||||||||||||
102 | E_IDEA(1); executed 14196 times by 1 test: end of block Executed by:
executed 12 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 14185 times by 1 test: end of block Executed by:
executed 23 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14192 times by 1 test: end of block Executed by:
executed 16 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14164 times by 1 test: end of block Executed by:
executed 44 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 12-14196 | ||||||||||||||||||||||||
103 | E_IDEA(2); executed 14179 times by 1 test: end of block Executed by:
executed 29 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 14148 times by 1 test: end of block Executed by:
executed 60 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14176 times by 1 test: end of block Executed by:
executed 32 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14199 times by 1 test: end of block Executed by:
executed 9 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 9-14199 | ||||||||||||||||||||||||
104 | E_IDEA(3); executed 14197 times by 1 test: end of block Executed by:
executed 11 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 14197 times by 1 test: end of block Executed by:
executed 11 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14159 times by 1 test: end of block Executed by:
executed 49 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14148 times by 1 test: end of block Executed by:
executed 60 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 11-14197 | ||||||||||||||||||||||||
105 | E_IDEA(4); executed 14200 times by 1 test: end of block Executed by:
executed 8 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 14167 times by 1 test: end of block Executed by:
executed 41 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14200 times by 1 test: end of block Executed by:
executed 8 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14176 times by 1 test: end of block Executed by:
executed 32 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 8-14200 | ||||||||||||||||||||||||
106 | E_IDEA(5); executed 14182 times by 1 test: end of block Executed by:
executed 26 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 14197 times by 1 test: end of block Executed by:
executed 11 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14142 times by 1 test: end of block Executed by:
executed 66 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14149 times by 1 test: end of block Executed by:
executed 59 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 11-14197 | ||||||||||||||||||||||||
107 | E_IDEA(6); executed 14196 times by 1 test: end of block Executed by:
executed 12 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 14164 times by 1 test: end of block Executed by:
executed 44 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14193 times by 1 test: end of block Executed by:
executed 15 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14167 times by 1 test: end of block Executed by:
executed 41 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 12-14196 | ||||||||||||||||||||||||
108 | E_IDEA(7); executed 14202 times by 1 test: end of block Executed by:
executed 6 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
executed 14187 times by 1 test: end of block Executed by:
executed 21 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
executed 14142 times by 1 test: end of block Executed by:
executed 66 times by 1 test: t0=(-(int)t0-*p+1); Executed by:
executed 14156 times by 1 test: end of block Executed by:
executed 52 times by 1 test: t1=(-(int)t1-*p+1); Executed by:
| 6-14202 | ||||||||||||||||||||||||
109 | - | |||||||||||||||||||||||||
110 | x1 &= 0xffff; | - | ||||||||||||||||||||||||
111 | idea_mul(x1, x1, *p, ul); executed 14040 times by 1 test: end of block Executed by:
executed 168 times by 1 test: x1=(-(int)x1-*p+1); Executed by:
| 168-14040 | ||||||||||||||||||||||||
112 | p++; | - | ||||||||||||||||||||||||
113 | - | |||||||||||||||||||||||||
114 | t0 = x3 + *(p++); | - | ||||||||||||||||||||||||
115 | t1 = x2 + *(p++); | - | ||||||||||||||||||||||||
116 | - | |||||||||||||||||||||||||
117 | x4 &= 0xffff; | - | ||||||||||||||||||||||||
118 | idea_mul(x4, x4, *p, ul); executed 14201 times by 1 test: end of block Executed by:
executed 7 times by 1 test: x4=(-(int)x4-*p+1); Executed by:
| 7-14201 | ||||||||||||||||||||||||
119 | - | |||||||||||||||||||||||||
120 | d[0] = (t0 & 0xffff) | ((x1 & 0xffff) << 16); | - | ||||||||||||||||||||||||
121 | d[1] = (x4 & 0xffff) | ((t1 & 0xffff) << 16); | - | ||||||||||||||||||||||||
122 | } executed 14208 times by 1 test: end of block Executed by:
| 14208 | ||||||||||||||||||||||||
Source code | Switch to Preprocessed file |