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Diffstat (limited to 'src/lib/libcrypto/des/pcbc_enc.c')
-rw-r--r-- | src/lib/libcrypto/des/pcbc_enc.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/lib/libcrypto/des/pcbc_enc.c b/src/lib/libcrypto/des/pcbc_enc.c deleted file mode 100644 index defd628d4d..0000000000 --- a/src/lib/libcrypto/des/pcbc_enc.c +++ /dev/null | |||
@@ -1,117 +0,0 @@ | |||
1 | /* $OpenBSD: pcbc_enc.c,v 1.10 2024/03/29 01:47:29 joshua Exp $ */ | ||
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This package is an SSL implementation written | ||
6 | * by Eric Young (eay@cryptsoft.com). | ||
7 | * The implementation was written so as to conform with Netscapes SSL. | ||
8 | * | ||
9 | * This library is free for commercial and non-commercial use as long as | ||
10 | * the following conditions are aheared to. The following conditions | ||
11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
13 | * included with this distribution is covered by the same copyright terms | ||
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
15 | * | ||
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
17 | * the code are not to be removed. | ||
18 | * If this package is used in a product, Eric Young should be given attribution | ||
19 | * as the author of the parts of the library used. | ||
20 | * This can be in the form of a textual message at program startup or | ||
21 | * in documentation (online or textual) provided with the package. | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
26 | * 1. Redistributions of source code must retain the copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
29 | * notice, this list of conditions and the following disclaimer in the | ||
30 | * documentation and/or other materials provided with the distribution. | ||
31 | * 3. All advertising materials mentioning features or use of this software | ||
32 | * must display the following acknowledgement: | ||
33 | * "This product includes cryptographic software written by | ||
34 | * Eric Young (eay@cryptsoft.com)" | ||
35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
36 | * being used are not cryptographic related :-). | ||
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
38 | * the apps directory (application code) you must include an acknowledgement: | ||
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
51 | * SUCH DAMAGE. | ||
52 | * | ||
53 | * The licence and distribution terms for any publically available version or | ||
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
55 | * copied and put under another distribution licence | ||
56 | * [including the GNU Public Licence.] | ||
57 | */ | ||
58 | |||
59 | #include "des_local.h" | ||
60 | |||
61 | void | ||
62 | DES_pcbc_encrypt(const unsigned char *input, unsigned char *output, | ||
63 | long length, DES_key_schedule *schedule, | ||
64 | DES_cblock *ivec, int enc) | ||
65 | { | ||
66 | DES_LONG sin0, sin1, xor0, xor1, tout0, tout1; | ||
67 | DES_LONG tin[2]; | ||
68 | const unsigned char *in; | ||
69 | unsigned char *out, *iv; | ||
70 | |||
71 | in = input; | ||
72 | out = output; | ||
73 | iv = &(*ivec)[0]; | ||
74 | |||
75 | if (enc) { | ||
76 | c2l(iv, xor0); | ||
77 | c2l(iv, xor1); | ||
78 | for (; length > 0; length -= 8) { | ||
79 | if (length >= 8) { | ||
80 | c2l(in, sin0); | ||
81 | c2l(in, sin1); | ||
82 | } else | ||
83 | c2ln(in, sin0, sin1, length); | ||
84 | tin[0] = sin0 ^ xor0; | ||
85 | tin[1] = sin1 ^ xor1; | ||
86 | DES_encrypt1((DES_LONG *)tin, schedule, DES_ENCRYPT); | ||
87 | tout0 = tin[0]; | ||
88 | tout1 = tin[1]; | ||
89 | xor0 = sin0 ^ tout0; | ||
90 | xor1 = sin1 ^ tout1; | ||
91 | l2c(tout0, out); | ||
92 | l2c(tout1, out); | ||
93 | } | ||
94 | } else { | ||
95 | c2l(iv, xor0); | ||
96 | c2l(iv, xor1); | ||
97 | for (; length > 0; length -= 8) { | ||
98 | c2l(in, sin0); | ||
99 | c2l(in, sin1); | ||
100 | tin[0] = sin0; | ||
101 | tin[1] = sin1; | ||
102 | DES_encrypt1((DES_LONG *)tin, schedule, DES_DECRYPT); | ||
103 | tout0 = tin[0] ^ xor0; | ||
104 | tout1 = tin[1] ^ xor1; | ||
105 | if (length >= 8) { | ||
106 | l2c(tout0, out); | ||
107 | l2c(tout1, out); | ||
108 | } else | ||
109 | l2cn(tout0, tout1, out, length); | ||
110 | xor0 = tout0 ^ sin0; | ||
111 | xor1 = tout1 ^ sin1; | ||
112 | } | ||
113 | } | ||
114 | tin[0] = tin[1] = 0; | ||
115 | sin0 = sin1 = xor0 = xor1 = tout0 = tout1 = 0; | ||
116 | } | ||
117 | LCRYPTO_ALIAS(DES_pcbc_encrypt); | ||