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-rw-r--r--src/lib/libcrypto/rc4/asm/rc4-586.pl173
-rw-r--r--src/lib/libcrypto/rc4/rc4_enc.c135
-rw-r--r--src/lib/libcrypto/rc4/rc4_skey.c119
3 files changed, 427 insertions, 0 deletions
diff --git a/src/lib/libcrypto/rc4/asm/rc4-586.pl b/src/lib/libcrypto/rc4/asm/rc4-586.pl
new file mode 100644
index 0000000000..0dd8eb1ba9
--- /dev/null
+++ b/src/lib/libcrypto/rc4/asm/rc4-586.pl
@@ -0,0 +1,173 @@
1#!/usr/bin/perl
2
3# define for pentium pro friendly version
4
5push(@INC,"perlasm","../../perlasm");
6require "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
22sub 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
85sub 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_enc.c b/src/lib/libcrypto/rc4/rc4_enc.c
new file mode 100644
index 0000000000..ab8a111b52
--- /dev/null
+++ b/src/lib/libcrypto/rc4/rc4_enc.c
@@ -0,0 +1,135 @@
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 "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
70void RC4(key, len, indata, outdata)
71RC4_KEY *key;
72unsigned long len;
73unsigned char *indata;
74unsigned char *outdata;
75 {
76 register RC4_INT *d;
77 register RC4_INT x,y,tx,ty;
78 int i;
79
80 x=key->x;
81 y=key->y;
82 d=key->data;
83
84#define LOOP(in,out) \
85 x=((x+1)&0xff); \
86 tx=d[x]; \
87 y=(tx+y)&0xff; \
88 d[x]=ty=d[y]; \
89 d[y]=tx; \
90 (out) = d[(tx+ty)&0xff]^ (in);
91
92#ifndef RC4_INDEX
93#define RC4_LOOP(a,b,i) LOOP(*((a)++),*((b)++))
94#else
95#define RC4_LOOP(a,b,i) LOOP(a[i],b[i])
96#endif
97
98 i= -(int)len;
99 i=(int)(len>>3L);
100 if (i)
101 {
102 for (;;)
103 {
104 RC4_LOOP(indata,outdata,0);
105 RC4_LOOP(indata,outdata,1);
106 RC4_LOOP(indata,outdata,2);
107 RC4_LOOP(indata,outdata,3);
108 RC4_LOOP(indata,outdata,4);
109 RC4_LOOP(indata,outdata,5);
110 RC4_LOOP(indata,outdata,6);
111 RC4_LOOP(indata,outdata,7);
112#ifdef RC4_INDEX
113 indata+=8;
114 outdata+=8;
115#endif
116 if (--i == 0) break;
117 }
118 }
119 i=(int)len&0x07;
120 if (i)
121 {
122 for (;;)
123 {
124 RC4_LOOP(indata,outdata,0); if (--i == 0) break;
125 RC4_LOOP(indata,outdata,1); if (--i == 0) break;
126 RC4_LOOP(indata,outdata,2); if (--i == 0) break;
127 RC4_LOOP(indata,outdata,3); if (--i == 0) break;
128 RC4_LOOP(indata,outdata,4); if (--i == 0) break;
129 RC4_LOOP(indata,outdata,5); if (--i == 0) break;
130 RC4_LOOP(indata,outdata,6); if (--i == 0) break;
131 }
132 }
133 key->x=x;
134 key->y=y;
135 }
diff --git a/src/lib/libcrypto/rc4/rc4_skey.c b/src/lib/libcrypto/rc4/rc4_skey.c
new file mode 100644
index 0000000000..0be5fde67b
--- /dev/null
+++ b/src/lib/libcrypto/rc4/rc4_skey.c
@@ -0,0 +1,119 @@
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 "rc4.h"
60#include "rc4_locl.h"
61
62char *RC4_version="RC4 part of SSLeay 0.9.0b 29-Jun-1998";
63
64char *RC4_options()
65 {
66#ifdef RC4_INDEX
67 if (sizeof(RC4_INT) == 1)
68 return("rc4(idx,char)");
69 else
70 return("rc4(idx,int)");
71#else
72 if (sizeof(RC4_INT) == 1)
73 return("rc4(ptr,char)");
74 else
75 return("rc4(ptr,int)");
76#endif
77 }
78
79/* RC4 as implemented from a posting from
80 * Newsgroups: sci.crypt
81 * From: sterndark@netcom.com (David Sterndark)
82 * Subject: RC4 Algorithm revealed.
83 * Message-ID: <sternCvKL4B.Hyy@netcom.com>
84 * Date: Wed, 14 Sep 1994 06:35:31 GMT
85 */
86
87void RC4_set_key(key, len, data)
88RC4_KEY *key;
89int len;
90register unsigned char *data;
91 {
92 register RC4_INT tmp;
93 register int id1,id2;
94 register RC4_INT *d;
95 unsigned int i;
96
97 d= &(key->data[0]);
98 for (i=0; i<256; i++)
99 d[i]=i;
100 key->x = 0;
101 key->y = 0;
102 id1=id2=0;
103
104#define SK_LOOP(n) { \
105 tmp=d[(n)]; \
106 id2 = (data[id1] + tmp + id2) & 0xff; \
107 if (++id1 == len) id1=0; \
108 d[(n)]=d[id2]; \
109 d[id2]=tmp; }
110
111 for (i=0; i < 256; i+=4)
112 {
113 SK_LOOP(i+0);
114 SK_LOOP(i+1);
115 SK_LOOP(i+2);
116 SK_LOOP(i+3);
117 }
118 }
119
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