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author | cvs2svn <admin@example.com> | 1999-10-10 21:32:03 +0000 |
---|---|---|
committer | cvs2svn <admin@example.com> | 1999-10-10 21:32:03 +0000 |
commit | 14e61fef302fbc25ab63e38bd35445637ca68139 (patch) | |
tree | dae5e50679bccd1ed8d7d4041fbb9f3d96bbc98c /src/lib/libcrypto/rc4 | |
parent | 3ef9529fbf0c1f8f1c9da1172e92ad3370d5fcfe (diff) | |
download | openbsd-OPENBSD_2_6_BASE.tar.gz openbsd-OPENBSD_2_6_BASE.tar.bz2 openbsd-OPENBSD_2_6_BASE.zip |
This commit was manufactured by cvs2git to create tag 'OPENBSD_2_6_BASE'.OPENBSD_2_6_BASE
Diffstat (limited to 'src/lib/libcrypto/rc4')
-rw-r--r-- | src/lib/libcrypto/rc4/asm/rc4-586.pl | 173 | ||||
-rw-r--r-- | src/lib/libcrypto/rc4/rc4.h | 88 | ||||
-rw-r--r-- | src/lib/libcrypto/rc4/rc4_enc.c | 131 | ||||
-rw-r--r-- | src/lib/libcrypto/rc4/rc4_locl.h | 4 | ||||
-rw-r--r-- | src/lib/libcrypto/rc4/rc4_skey.c | 117 |
5 files changed, 0 insertions, 513 deletions
diff --git a/src/lib/libcrypto/rc4/asm/rc4-586.pl b/src/lib/libcrypto/rc4/asm/rc4-586.pl deleted file mode 100644 index 7ef889e5a1..0000000000 --- a/src/lib/libcrypto/rc4/asm/rc4-586.pl +++ /dev/null | |||
@@ -1,173 +0,0 @@ | |||
1 | #!/usr/local/bin/perl | ||
2 | |||
3 | # define for pentium pro friendly version | ||
4 | |||
5 | push(@INC,"perlasm","../../perlasm"); | ||
6 | require "x86asm.pl"; | ||
7 | |||
8 | &asm_init($ARGV[0],"rc4-586.pl"); | ||
9 | |||
10 | $tx="eax"; | ||
11 | $ty="ebx"; | ||
12 | $x="ecx"; | ||
13 | $y="edx"; | ||
14 | $in="esi"; | ||
15 | $out="edi"; | ||
16 | $d="ebp"; | ||
17 | |||
18 | &RC4("RC4"); | ||
19 | |||
20 | &asm_finish(); | ||
21 | |||
22 | sub RC4_loop | ||
23 | { | ||
24 | local($n,$p,$char)=@_; | ||
25 | |||
26 | &comment("Round $n"); | ||
27 | |||
28 | if ($char) | ||
29 | { | ||
30 | if ($p >= 0) | ||
31 | { | ||
32 | &mov($ty, &swtmp(2)); | ||
33 | &cmp($ty, $in); | ||
34 | &jle(&label("finished")); | ||
35 | &inc($in); | ||
36 | } | ||
37 | else | ||
38 | { | ||
39 | &add($ty, 8); | ||
40 | &inc($in); | ||
41 | &cmp($ty, $in); | ||
42 | &jl(&label("finished")); | ||
43 | &mov(&swtmp(2), $ty); | ||
44 | } | ||
45 | } | ||
46 | # Moved out | ||
47 | # &mov( $tx, &DWP(0,$d,$x,4)) if $p < 0; | ||
48 | |||
49 | &add( $y, $tx); | ||
50 | &and( $y, 0xff); | ||
51 | &inc( $x); # NEXT ROUND | ||
52 | &mov( $ty, &DWP(0,$d,$y,4)); | ||
53 | # XXX | ||
54 | &mov( &DWP(-4,$d,$x,4),$ty); # AGI | ||
55 | &add( $ty, $tx); | ||
56 | &and( $x, 0xff); # NEXT ROUND | ||
57 | &and( $ty, 0xff); | ||
58 | &mov( &DWP(0,$d,$y,4),$tx); | ||
59 | &nop(); | ||
60 | &mov( $ty, &DWP(0,$d,$ty,4)); | ||
61 | &mov( $tx, &DWP(0,$d,$x,4)) if $p < 1; # NEXT ROUND | ||
62 | # XXX | ||
63 | |||
64 | if (!$char) | ||
65 | { | ||
66 | #moved up into last round | ||
67 | if ($p >= 1) | ||
68 | { | ||
69 | &add( $out, 8) | ||
70 | } | ||
71 | &movb( &BP($n,"esp","",0), &LB($ty)); | ||
72 | } | ||
73 | else | ||
74 | { | ||
75 | # Note in+=8 has occured | ||
76 | &movb( &HB($ty), &BP(-1,$in,"",0)); | ||
77 | # XXX | ||
78 | &xorb(&LB($ty), &HB($ty)); | ||
79 | # XXX | ||
80 | &movb(&BP($n,$out,"",0),&LB($ty)); | ||
81 | } | ||
82 | } | ||
83 | |||
84 | |||
85 | sub RC4 | ||
86 | { | ||
87 | local($name)=@_; | ||
88 | |||
89 | &function_begin_B($name,""); | ||
90 | |||
91 | &comment(""); | ||
92 | |||
93 | &push("ebp"); | ||
94 | &push("ebx"); | ||
95 | &mov( $d, &wparam(0)); # key | ||
96 | &mov( $ty, &wparam(1)); # num | ||
97 | &push("esi"); | ||
98 | &push("edi"); | ||
99 | |||
100 | &mov( $x, &DWP(0,$d,"",1)); | ||
101 | &mov( $y, &DWP(4,$d,"",1)); | ||
102 | |||
103 | &mov( $in, &wparam(2)); | ||
104 | &inc( $x); | ||
105 | |||
106 | &stack_push(3); # 3 temp variables | ||
107 | &add( $d, 8); | ||
108 | &and( $x, 0xff); | ||
109 | |||
110 | &lea( $ty, &DWP(-8,$ty,$in)); | ||
111 | |||
112 | # check for 0 length input | ||
113 | |||
114 | &mov( $out, &wparam(3)); | ||
115 | &mov( &swtmp(2), $ty); # this is now address to exit at | ||
116 | &mov( $tx, &DWP(0,$d,$x,4)); | ||
117 | |||
118 | &cmp( $ty, $in); | ||
119 | &jl( &label("end")); # less than 8 bytes | ||
120 | |||
121 | &set_label("start"); | ||
122 | |||
123 | # filling DELAY SLOT | ||
124 | &add( $in, 8); | ||
125 | |||
126 | &RC4_loop(0,-1,0); | ||
127 | &RC4_loop(1,0,0); | ||
128 | &RC4_loop(2,0,0); | ||
129 | &RC4_loop(3,0,0); | ||
130 | &RC4_loop(4,0,0); | ||
131 | &RC4_loop(5,0,0); | ||
132 | &RC4_loop(6,0,0); | ||
133 | &RC4_loop(7,1,0); | ||
134 | |||
135 | &comment("apply the cipher text"); | ||
136 | # xor the cipher data with input | ||
137 | |||
138 | #&add( $out, 8); #moved up into last round | ||
139 | |||
140 | &mov( $tx, &swtmp(0)); | ||
141 | &mov( $ty, &DWP(-8,$in,"",0)); | ||
142 | &xor( $tx, $ty); | ||
143 | &mov( $ty, &DWP(-4,$in,"",0)); | ||
144 | &mov( &DWP(-8,$out,"",0), $tx); | ||
145 | &mov( $tx, &swtmp(1)); | ||
146 | &xor( $tx, $ty); | ||
147 | &mov( $ty, &swtmp(2)); # load end ptr; | ||
148 | &mov( &DWP(-4,$out,"",0), $tx); | ||
149 | &mov( $tx, &DWP(0,$d,$x,4)); | ||
150 | &cmp($in, $ty); | ||
151 | &jle(&label("start")); | ||
152 | |||
153 | &set_label("end"); | ||
154 | |||
155 | # There is quite a bit of extra crap in RC4_loop() for this | ||
156 | # first round | ||
157 | &RC4_loop(0,-1,1); | ||
158 | &RC4_loop(1,0,1); | ||
159 | &RC4_loop(2,0,1); | ||
160 | &RC4_loop(3,0,1); | ||
161 | &RC4_loop(4,0,1); | ||
162 | &RC4_loop(5,0,1); | ||
163 | &RC4_loop(6,1,1); | ||
164 | |||
165 | &set_label("finished"); | ||
166 | &dec( $x); | ||
167 | &stack_pop(3); | ||
168 | &mov( &DWP(-4,$d,"",0),$y); | ||
169 | &movb( &BP(-8,$d,"",0),&LB($x)); | ||
170 | |||
171 | &function_end($name); | ||
172 | } | ||
173 | |||
diff --git a/src/lib/libcrypto/rc4/rc4.h b/src/lib/libcrypto/rc4/rc4.h deleted file mode 100644 index 7418c2a9a2..0000000000 --- a/src/lib/libcrypto/rc4/rc4.h +++ /dev/null | |||
@@ -1,88 +0,0 @@ | |||
1 | /* crypto/rc4/rc4.h */ | ||
2 | /* Copyright (C) 1995-1997 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 | #ifndef HEADER_RC4_H | ||
60 | #define HEADER_RC4_H | ||
61 | |||
62 | #ifdef __cplusplus | ||
63 | extern "C" { | ||
64 | #endif | ||
65 | |||
66 | #ifdef NO_RC4 | ||
67 | #error RC4 is disabled. | ||
68 | #endif | ||
69 | |||
70 | #include <openssl/opensslconf.h> /* RC4_INT */ | ||
71 | |||
72 | typedef struct rc4_key_st | ||
73 | { | ||
74 | RC4_INT x,y; | ||
75 | RC4_INT data[256]; | ||
76 | } RC4_KEY; | ||
77 | |||
78 | |||
79 | const char *RC4_options(void); | ||
80 | void RC4_set_key(RC4_KEY *key, int len, unsigned char *data); | ||
81 | void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata, | ||
82 | unsigned char *outdata); | ||
83 | |||
84 | #ifdef __cplusplus | ||
85 | } | ||
86 | #endif | ||
87 | |||
88 | #endif | ||
diff --git a/src/lib/libcrypto/rc4/rc4_enc.c b/src/lib/libcrypto/rc4/rc4_enc.c deleted file mode 100644 index 3256bea8cc..0000000000 --- a/src/lib/libcrypto/rc4/rc4_enc.c +++ /dev/null | |||
@@ -1,131 +0,0 @@ | |||
1 | /* crypto/rc4/rc4_enc.c */ | ||
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/rc4.h> | ||
60 | #include "rc4_locl.h" | ||
61 | |||
62 | /* RC4 as implemented from a posting from | ||
63 | * Newsgroups: sci.crypt | ||
64 | * From: sterndark@netcom.com (David Sterndark) | ||
65 | * Subject: RC4 Algorithm revealed. | ||
66 | * Message-ID: <sternCvKL4B.Hyy@netcom.com> | ||
67 | * Date: Wed, 14 Sep 1994 06:35:31 GMT | ||
68 | */ | ||
69 | |||
70 | void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata, | ||
71 | unsigned char *outdata) | ||
72 | { | ||
73 | register RC4_INT *d; | ||
74 | register RC4_INT x,y,tx,ty; | ||
75 | int i; | ||
76 | |||
77 | x=key->x; | ||
78 | y=key->y; | ||
79 | d=key->data; | ||
80 | |||
81 | #define LOOP(in,out) \ | ||
82 | x=((x+1)&0xff); \ | ||
83 | tx=d[x]; \ | ||
84 | y=(tx+y)&0xff; \ | ||
85 | d[x]=ty=d[y]; \ | ||
86 | d[y]=tx; \ | ||
87 | (out) = d[(tx+ty)&0xff]^ (in); | ||
88 | |||
89 | #ifndef RC4_INDEX | ||
90 | #define RC4_LOOP(a,b,i) LOOP(*((a)++),*((b)++)) | ||
91 | #else | ||
92 | #define RC4_LOOP(a,b,i) LOOP(a[i],b[i]) | ||
93 | #endif | ||
94 | |||
95 | i=(int)(len>>3L); | ||
96 | if (i) | ||
97 | { | ||
98 | for (;;) | ||
99 | { | ||
100 | RC4_LOOP(indata,outdata,0); | ||
101 | RC4_LOOP(indata,outdata,1); | ||
102 | RC4_LOOP(indata,outdata,2); | ||
103 | RC4_LOOP(indata,outdata,3); | ||
104 | RC4_LOOP(indata,outdata,4); | ||
105 | RC4_LOOP(indata,outdata,5); | ||
106 | RC4_LOOP(indata,outdata,6); | ||
107 | RC4_LOOP(indata,outdata,7); | ||
108 | #ifdef RC4_INDEX | ||
109 | indata+=8; | ||
110 | outdata+=8; | ||
111 | #endif | ||
112 | if (--i == 0) break; | ||
113 | } | ||
114 | } | ||
115 | i=(int)len&0x07; | ||
116 | if (i) | ||
117 | { | ||
118 | for (;;) | ||
119 | { | ||
120 | RC4_LOOP(indata,outdata,0); if (--i == 0) break; | ||
121 | RC4_LOOP(indata,outdata,1); if (--i == 0) break; | ||
122 | RC4_LOOP(indata,outdata,2); if (--i == 0) break; | ||
123 | RC4_LOOP(indata,outdata,3); if (--i == 0) break; | ||
124 | RC4_LOOP(indata,outdata,4); if (--i == 0) break; | ||
125 | RC4_LOOP(indata,outdata,5); if (--i == 0) break; | ||
126 | RC4_LOOP(indata,outdata,6); if (--i == 0) break; | ||
127 | } | ||
128 | } | ||
129 | key->x=x; | ||
130 | key->y=y; | ||
131 | } | ||
diff --git a/src/lib/libcrypto/rc4/rc4_locl.h b/src/lib/libcrypto/rc4/rc4_locl.h deleted file mode 100644 index 3bb80b6ce9..0000000000 --- a/src/lib/libcrypto/rc4/rc4_locl.h +++ /dev/null | |||
@@ -1,4 +0,0 @@ | |||
1 | #ifndef HEADER_RC4_LOCL_H | ||
2 | #define HEADER_RC4_LOCL_H | ||
3 | #include <openssl/opensslconf.h> | ||
4 | #endif | ||
diff --git a/src/lib/libcrypto/rc4/rc4_skey.c b/src/lib/libcrypto/rc4/rc4_skey.c deleted file mode 100644 index c67a445f1f..0000000000 --- a/src/lib/libcrypto/rc4/rc4_skey.c +++ /dev/null | |||
@@ -1,117 +0,0 @@ | |||
1 | /* crypto/rc4/rc4_skey.c */ | ||
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/rc4.h> | ||
60 | #include "rc4_locl.h" | ||
61 | #include <openssl/opensslv.h> | ||
62 | |||
63 | const char *RC4_version="RC4" OPENSSL_VERSION_PTEXT; | ||
64 | |||
65 | const char *RC4_options(void) | ||
66 | { | ||
67 | #ifdef RC4_INDEX | ||
68 | if (sizeof(RC4_INT) == 1) | ||
69 | return("rc4(idx,char)"); | ||
70 | else | ||
71 | return("rc4(idx,int)"); | ||
72 | #else | ||
73 | if (sizeof(RC4_INT) == 1) | ||
74 | return("rc4(ptr,char)"); | ||
75 | else | ||
76 | return("rc4(ptr,int)"); | ||
77 | #endif | ||
78 | } | ||
79 | |||
80 | /* RC4 as implemented from a posting from | ||
81 | * Newsgroups: sci.crypt | ||
82 | * From: sterndark@netcom.com (David Sterndark) | ||
83 | * Subject: RC4 Algorithm revealed. | ||
84 | * Message-ID: <sternCvKL4B.Hyy@netcom.com> | ||
85 | * Date: Wed, 14 Sep 1994 06:35:31 GMT | ||
86 | */ | ||
87 | |||
88 | void RC4_set_key(RC4_KEY *key, int len, register unsigned char *data) | ||
89 | { | ||
90 | register RC4_INT tmp; | ||
91 | register int id1,id2; | ||
92 | register RC4_INT *d; | ||
93 | unsigned int i; | ||
94 | |||
95 | d= &(key->data[0]); | ||
96 | for (i=0; i<256; i++) | ||
97 | d[i]=i; | ||
98 | key->x = 0; | ||
99 | key->y = 0; | ||
100 | id1=id2=0; | ||
101 | |||
102 | #define SK_LOOP(n) { \ | ||
103 | tmp=d[(n)]; \ | ||
104 | id2 = (data[id1] + tmp + id2) & 0xff; \ | ||
105 | if (++id1 == len) id1=0; \ | ||
106 | d[(n)]=d[id2]; \ | ||
107 | d[id2]=tmp; } | ||
108 | |||
109 | for (i=0; i < 256; i+=4) | ||
110 | { | ||
111 | SK_LOOP(i+0); | ||
112 | SK_LOOP(i+1); | ||
113 | SK_LOOP(i+2); | ||
114 | SK_LOOP(i+3); | ||
115 | } | ||
116 | } | ||
117 | |||