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authorbeck <>2023-07-07 08:29:37 +0000
committerbeck <>2023-07-07 08:29:37 +0000
commit216740b04f3cd3f53da444878e4a5ba56622399b (patch)
treea85e0a8e2a66a28f0db3722a7116f39457f4b6cb /src/lib/libcrypto/rc2/rc2cfb64.c
parent21eddabc863b067714fdd732d1a7466ddad0cda4 (diff)
downloadopenbsd-216740b04f3cd3f53da444878e4a5ba56622399b.tar.gz
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Hit rc2 with the loving mallet of knfmt.
ok tb@
Diffstat (limited to 'src/lib/libcrypto/rc2/rc2cfb64.c')
-rw-r--r--src/lib/libcrypto/rc2/rc2cfb64.c113
1 files changed, 57 insertions, 56 deletions
diff --git a/src/lib/libcrypto/rc2/rc2cfb64.c b/src/lib/libcrypto/rc2/rc2cfb64.c
index ebdeb9ba54..e320f5ef94 100644
--- a/src/lib/libcrypto/rc2/rc2cfb64.c
+++ b/src/lib/libcrypto/rc2/rc2cfb64.c
@@ -1,25 +1,25 @@
1/* $OpenBSD: rc2cfb64.c,v 1.6 2022/11/26 16:08:54 tb Exp $ */ 1/* $OpenBSD: rc2cfb64.c,v 1.7 2023/07/07 08:29:37 beck Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
5 * This package is an SSL implementation written 5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com). 6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL. 7 * The implementation was written so as to conform with Netscapes SSL.
8 * 8 *
9 * This library is free for commercial and non-commercial use as long as 9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions 10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA, 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 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 13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * 15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed. 17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution 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. 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 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. 21 * in documentation (online or textual) provided with the package.
22 * 22 *
23 * Redistribution and use in source and binary forms, with or without 23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions 24 * modification, are permitted provided that the following conditions
25 * are met: 25 * are met:
@@ -34,10 +34,10 @@
34 * Eric Young (eay@cryptsoft.com)" 34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library 35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-). 36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from 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: 38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * 40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 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 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE. 51 * SUCH DAMAGE.
52 * 52 *
53 * The licence and distribution terms for any publically available version or 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 54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence 55 * copied and put under another distribution licence
@@ -64,59 +64,60 @@
64 * 64bit block we have used is contained in *num; 64 * 64bit block we have used is contained in *num;
65 */ 65 */
66 66
67void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out, 67void
68 long length, RC2_KEY *schedule, unsigned char *ivec, 68RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
69 int *num, int encrypt) 69 long length, RC2_KEY *schedule, unsigned char *ivec,
70 { 70 int *num, int encrypt)
71 unsigned long v0,v1,t; 71{
72 int n= *num; 72 unsigned long v0, v1, t;
73 long l=length; 73 int n = *num;
74 long l = length;
74 unsigned long ti[2]; 75 unsigned long ti[2];
75 unsigned char *iv,c,cc; 76 unsigned char *iv, c, cc;
76 77
77 iv=(unsigned char *)ivec; 78 iv = (unsigned char *)ivec;
78 if (encrypt) 79 if (encrypt) {
79 { 80 while (l--) {
80 while (l--) 81 if (n == 0) {
81 { 82 c2l(iv, v0);
82 if (n == 0) 83 ti[0] = v0;
83 { 84 c2l(iv, v1);
84 c2l(iv,v0); ti[0]=v0; 85 ti[1] = v1;
85 c2l(iv,v1); ti[1]=v1; 86 RC2_encrypt((unsigned long *)ti, schedule);
86 RC2_encrypt((unsigned long *)ti,schedule); 87 iv = (unsigned char *)ivec;
87 iv=(unsigned char *)ivec; 88 t = ti[0];
88 t=ti[0]; l2c(t,iv); 89 l2c(t, iv);
89 t=ti[1]; l2c(t,iv); 90 t = ti[1];
90 iv=(unsigned char *)ivec; 91 l2c(t, iv);
91 } 92 iv = (unsigned char *)ivec;
92 c= *(in++)^iv[n];
93 *(out++)=c;
94 iv[n]=c;
95 n=(n+1)&0x07;
96 } 93 }
94 c = *(in++) ^ iv[n];
95 *(out++) = c;
96 iv[n] = c;
97 n = (n + 1) & 0x07;
97 } 98 }
98 else 99 } else {
99 { 100 while (l--) {
100 while (l--) 101 if (n == 0) {
101 { 102 c2l(iv, v0);
102 if (n == 0) 103 ti[0] = v0;
103 { 104 c2l(iv, v1);
104 c2l(iv,v0); ti[0]=v0; 105 ti[1] = v1;
105 c2l(iv,v1); ti[1]=v1; 106 RC2_encrypt((unsigned long *)ti, schedule);
106 RC2_encrypt((unsigned long *)ti,schedule); 107 iv = (unsigned char *)ivec;
107 iv=(unsigned char *)ivec; 108 t = ti[0];
108 t=ti[0]; l2c(t,iv); 109 l2c(t, iv);
109 t=ti[1]; l2c(t,iv); 110 t = ti[1];
110 iv=(unsigned char *)ivec; 111 l2c(t, iv);
111 } 112 iv = (unsigned char *)ivec;
112 cc= *(in++);
113 c=iv[n];
114 iv[n]=cc;
115 *(out++)=c^cc;
116 n=(n+1)&0x07;
117 } 113 }
114 cc = *(in++);
115 c = iv[n];
116 iv[n] = cc;
117 *(out++) = c ^ cc;
118 n = (n + 1) & 0x07;
118 } 119 }
119 v0=v1=ti[0]=ti[1]=t=c=cc=0;
120 *num=n;
121 } 120 }
122 121 v0 = v1 = ti[0] = ti[1] = t = c = cc = 0;
122 *num = n;
123}