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Diffstat (limited to '')
-rw-r--r-- | src/lib/libcrypto/rc2/rc2cfb64.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/src/lib/libcrypto/rc2/rc2cfb64.c b/src/lib/libcrypto/rc2/rc2cfb64.c deleted file mode 100644 index 21266c430b..0000000000 --- a/src/lib/libcrypto/rc2/rc2cfb64.c +++ /dev/null | |||
@@ -1,124 +0,0 @@ | |||
1 | /* $OpenBSD: rc2cfb64.c,v 1.8 2023/07/07 13:40:44 beck 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 <openssl/rc2.h> | ||
60 | #include "rc2_local.h" | ||
61 | |||
62 | /* The input and output encrypted as though 64bit cfb mode is being | ||
63 | * used. The extra state information to record how much of the | ||
64 | * 64bit block we have used is contained in *num; | ||
65 | */ | ||
66 | |||
67 | void | ||
68 | RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out, | ||
69 | long length, RC2_KEY *schedule, unsigned char *ivec, | ||
70 | int *num, int encrypt) | ||
71 | { | ||
72 | unsigned long v0, v1, t; | ||
73 | int n = *num; | ||
74 | long l = length; | ||
75 | unsigned long ti[2]; | ||
76 | unsigned char *iv, c, cc; | ||
77 | |||
78 | iv = (unsigned char *)ivec; | ||
79 | if (encrypt) { | ||
80 | while (l--) { | ||
81 | if (n == 0) { | ||
82 | c2l(iv, v0); | ||
83 | ti[0] = v0; | ||
84 | c2l(iv, v1); | ||
85 | ti[1] = v1; | ||
86 | RC2_encrypt((unsigned long *)ti, schedule); | ||
87 | iv = (unsigned char *)ivec; | ||
88 | t = ti[0]; | ||
89 | l2c(t, iv); | ||
90 | t = ti[1]; | ||
91 | l2c(t, iv); | ||
92 | iv = (unsigned char *)ivec; | ||
93 | } | ||
94 | c = *(in++) ^ iv[n]; | ||
95 | *(out++) = c; | ||
96 | iv[n] = c; | ||
97 | n = (n + 1) & 0x07; | ||
98 | } | ||
99 | } else { | ||
100 | while (l--) { | ||
101 | if (n == 0) { | ||
102 | c2l(iv, v0); | ||
103 | ti[0] = v0; | ||
104 | c2l(iv, v1); | ||
105 | ti[1] = v1; | ||
106 | RC2_encrypt((unsigned long *)ti, schedule); | ||
107 | iv = (unsigned char *)ivec; | ||
108 | t = ti[0]; | ||
109 | l2c(t, iv); | ||
110 | t = ti[1]; | ||
111 | l2c(t, iv); | ||
112 | iv = (unsigned char *)ivec; | ||
113 | } | ||
114 | cc = *(in++); | ||
115 | c = iv[n]; | ||
116 | iv[n] = cc; | ||
117 | *(out++) = c ^ cc; | ||
118 | n = (n + 1) & 0x07; | ||
119 | } | ||
120 | } | ||
121 | v0 = v1 = ti[0] = ti[1] = t = c = cc = 0; | ||
122 | *num = n; | ||
123 | } | ||
124 | LCRYPTO_ALIAS(RC2_cfb64_encrypt); | ||