Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/des/ncbc_enc.c |
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1 | /* | - | ||||||
2 | * Copyright 1998-2016 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 | /*- | - | ||||||
11 | * #included by: | - | ||||||
12 | * cbc_enc.c (DES_cbc_encrypt) | - | ||||||
13 | * des_enc.c (DES_ncbc_encrypt) | - | ||||||
14 | */ | - | ||||||
15 | - | |||||||
16 | #include "des_locl.h" | - | ||||||
17 | - | |||||||
18 | #ifdef CBC_ENC_C__DONT_UPDATE_IV | - | ||||||
19 | void DES_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, | - | ||||||
20 | DES_key_schedule *_schedule, DES_cblock *ivec, int enc) | - | ||||||
21 | #else | - | ||||||
22 | void DES_ncbc_encrypt(const unsigned char *in, unsigned char *out, | - | ||||||
23 | long length, DES_key_schedule *_schedule, | - | ||||||
24 | DES_cblock *ivec, int enc) | - | ||||||
25 | #endif | - | ||||||
26 | { | - | ||||||
27 | register DES_LONG tin0, tin1; | - | ||||||
28 | register DES_LONG tout0, tout1, xor0, xor1; | - | ||||||
29 | register long l = length; | - | ||||||
30 | DES_LONG tin[2]; | - | ||||||
31 | unsigned char *iv; | - | ||||||
32 | - | |||||||
33 | iv = &(*ivec)[0]; | - | ||||||
34 | - | |||||||
35 | if (enc) {
| 107-161 | ||||||
36 | c2l(iv, tout0); | - | ||||||
37 | c2l(iv, tout1); | - | ||||||
38 | for (l -= 8; l >= 0; l -= 8) {
| 161-1599 | ||||||
39 | c2l(in, tin0); | - | ||||||
40 | c2l(in, tin1); | - | ||||||
41 | tin0 ^= tout0; | - | ||||||
42 | tin[0] = tin0; | - | ||||||
43 | tin1 ^= tout1; | - | ||||||
44 | tin[1] = tin1; | - | ||||||
45 | DES_encrypt1((DES_LONG *)tin, _schedule, DES_ENCRYPT); | - | ||||||
46 | tout0 = tin[0]; | - | ||||||
47 | l2c(tout0, out); | - | ||||||
48 | tout1 = tin[1]; | - | ||||||
49 | l2c(tout1, out); | - | ||||||
50 | } executed 1599 times by 1 test: end of block Executed by:
| 1599 | ||||||
51 | if (l != -8) {
| 9-152 | ||||||
52 | c2ln(in, tin0, tin1, l + 8); executed 9 times 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 never executed: case 5: code before this statement executed 6 times by 1 test: case 4: Executed by:
code before this statement executed 7 times by 1 test: case 3: Executed by:
code before this statement executed 8 times by 1 test: case 2: Executed by:
code before this statement executed 9 times by 1 test: case 1: Executed by:
never executed: case 8: never executed: case 7: never executed: case 6: executed 6 times by 1 test: case 5: Executed by:
executed 1 time by 1 test: case 4: Executed by:
executed 1 time by 1 test: case 3: Executed by:
executed 1 time by 1 test: case 2: Executed by:
executed 9 times by 1 test: case 1: Executed by:
| 0-9 | ||||||
53 | tin0 ^= tout0; | - | ||||||
54 | tin[0] = tin0; | - | ||||||
55 | tin1 ^= tout1; | - | ||||||
56 | tin[1] = tin1; | - | ||||||
57 | DES_encrypt1((DES_LONG *)tin, _schedule, DES_ENCRYPT); | - | ||||||
58 | tout0 = tin[0]; | - | ||||||
59 | l2c(tout0, out); | - | ||||||
60 | tout1 = tin[1]; | - | ||||||
61 | l2c(tout1, out); | - | ||||||
62 | } executed 9 times by 1 test: end of block Executed by:
| 9 | ||||||
63 | #ifndef CBC_ENC_C__DONT_UPDATE_IV | - | ||||||
64 | iv = &(*ivec)[0]; | - | ||||||
65 | l2c(tout0, iv); | - | ||||||
66 | l2c(tout1, iv); | - | ||||||
67 | #endif | - | ||||||
68 | } else { executed 161 times by 1 test: end of block Executed by:
| 161 | ||||||
69 | c2l(iv, xor0); | - | ||||||
70 | c2l(iv, xor1); | - | ||||||
71 | for (l -= 8; l >= 0; l -= 8) {
| 107-1575 | ||||||
72 | c2l(in, tin0); | - | ||||||
73 | tin[0] = tin0; | - | ||||||
74 | c2l(in, tin1); | - | ||||||
75 | tin[1] = tin1; | - | ||||||
76 | DES_encrypt1((DES_LONG *)tin, _schedule, DES_DECRYPT); | - | ||||||
77 | tout0 = tin[0] ^ xor0; | - | ||||||
78 | tout1 = tin[1] ^ xor1; | - | ||||||
79 | l2c(tout0, out); | - | ||||||
80 | l2c(tout1, out); | - | ||||||
81 | xor0 = tin0; | - | ||||||
82 | xor1 = tin1; | - | ||||||
83 | } executed 1575 times by 1 test: end of block Executed by:
| 1575 | ||||||
84 | if (l != -8) {
| 1-106 | ||||||
85 | c2l(in, tin0); | - | ||||||
86 | tin[0] = tin0; | - | ||||||
87 | c2l(in, tin1); | - | ||||||
88 | tin[1] = tin1; | - | ||||||
89 | DES_encrypt1((DES_LONG *)tin, _schedule, DES_DECRYPT); | - | ||||||
90 | tout0 = tin[0] ^ xor0; | - | ||||||
91 | tout1 = tin[1] ^ xor1; | - | ||||||
92 | l2cn(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 never executed: case 5: 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: never executed: case 6: executed 1 time by 1 test: case 5: Executed by:
never executed: case 4: never executed: case 3: never executed: case 2: executed 1 time by 1 test: case 1: Executed by:
| 0-1 | ||||||
93 | #ifndef CBC_ENC_C__DONT_UPDATE_IV | - | ||||||
94 | xor0 = tin0; | - | ||||||
95 | xor1 = tin1; | - | ||||||
96 | #endif | - | ||||||
97 | } executed 1 time by 1 test: end of block Executed by:
| 1 | ||||||
98 | #ifndef CBC_ENC_C__DONT_UPDATE_IV | - | ||||||
99 | iv = &(*ivec)[0]; | - | ||||||
100 | l2c(xor0, iv); | - | ||||||
101 | l2c(xor1, iv); | - | ||||||
102 | #endif | - | ||||||
103 | } executed 107 times by 1 test: end of block Executed by:
| 107 | ||||||
104 | tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; | - | ||||||
105 | tin[0] = tin[1] = 0; | - | ||||||
106 | } executed 268 times by 1 test: end of block Executed by:
| 268 | ||||||
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