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authordjm <>2012-10-13 21:23:50 +0000
committerdjm <>2012-10-13 21:23:50 +0000
commitd56dbc3c72494d4b68c03f5bcc3ae1f9df7b17df (patch)
tree10ebe51c3542099b0ab8325d8f322372375dc3b4 /src/lib/libcrypto/idea
parentbc685bd401e5657f7fb51b4e1a62a7a5c5ea4098 (diff)
parent228cae30b117c2493f69ad3c195341cd6ec8d430 (diff)
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This commit was generated by cvs2git to track changes on a CVS vendor
branch.
Diffstat (limited to 'src/lib/libcrypto/idea')
-rw-r--r--src/lib/libcrypto/idea/i_cbc.c168
-rw-r--r--src/lib/libcrypto/idea/i_cfb64.c122
-rw-r--r--src/lib/libcrypto/idea/i_ecb.c85
-rw-r--r--src/lib/libcrypto/idea/i_ofb64.c111
-rw-r--r--src/lib/libcrypto/idea/i_skey.c164
-rw-r--r--src/lib/libcrypto/idea/idea_lcl.h215
6 files changed, 865 insertions, 0 deletions
diff --git a/src/lib/libcrypto/idea/i_cbc.c b/src/lib/libcrypto/idea/i_cbc.c
new file mode 100644
index 0000000000..ecb9cb8b83
--- /dev/null
+++ b/src/lib/libcrypto/idea/i_cbc.c
@@ -0,0 +1,168 @@
1/* crypto/idea/i_cbc.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/idea.h>
60#include "idea_lcl.h"
61
62void idea_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
63 IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int encrypt)
64 {
65 register unsigned long tin0,tin1;
66 register unsigned long tout0,tout1,xor0,xor1;
67 register long l=length;
68 unsigned long tin[2];
69
70 if (encrypt)
71 {
72 n2l(iv,tout0);
73 n2l(iv,tout1);
74 iv-=8;
75 for (l-=8; l>=0; l-=8)
76 {
77 n2l(in,tin0);
78 n2l(in,tin1);
79 tin0^=tout0;
80 tin1^=tout1;
81 tin[0]=tin0;
82 tin[1]=tin1;
83 idea_encrypt(tin,ks);
84 tout0=tin[0]; l2n(tout0,out);
85 tout1=tin[1]; l2n(tout1,out);
86 }
87 if (l != -8)
88 {
89 n2ln(in,tin0,tin1,l+8);
90 tin0^=tout0;
91 tin1^=tout1;
92 tin[0]=tin0;
93 tin[1]=tin1;
94 idea_encrypt(tin,ks);
95 tout0=tin[0]; l2n(tout0,out);
96 tout1=tin[1]; l2n(tout1,out);
97 }
98 l2n(tout0,iv);
99 l2n(tout1,iv);
100 }
101 else
102 {
103 n2l(iv,xor0);
104 n2l(iv,xor1);
105 iv-=8;
106 for (l-=8; l>=0; l-=8)
107 {
108 n2l(in,tin0); tin[0]=tin0;
109 n2l(in,tin1); tin[1]=tin1;
110 idea_encrypt(tin,ks);
111 tout0=tin[0]^xor0;
112 tout1=tin[1]^xor1;
113 l2n(tout0,out);
114 l2n(tout1,out);
115 xor0=tin0;
116 xor1=tin1;
117 }
118 if (l != -8)
119 {
120 n2l(in,tin0); tin[0]=tin0;
121 n2l(in,tin1); tin[1]=tin1;
122 idea_encrypt(tin,ks);
123 tout0=tin[0]^xor0;
124 tout1=tin[1]^xor1;
125 l2nn(tout0,tout1,out,l+8);
126 xor0=tin0;
127 xor1=tin1;
128 }
129 l2n(xor0,iv);
130 l2n(xor1,iv);
131 }
132 tin0=tin1=tout0=tout1=xor0=xor1=0;
133 tin[0]=tin[1]=0;
134 }
135
136void idea_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key)
137 {
138 register IDEA_INT *p;
139 register unsigned long x1,x2,x3,x4,t0,t1,ul;
140
141 x2=d[0];
142 x1=(x2>>16);
143 x4=d[1];
144 x3=(x4>>16);
145
146 p= &(key->data[0][0]);
147
148 E_IDEA(0);
149 E_IDEA(1);
150 E_IDEA(2);
151 E_IDEA(3);
152 E_IDEA(4);
153 E_IDEA(5);
154 E_IDEA(6);
155 E_IDEA(7);
156
157 x1&=0xffff;
158 idea_mul(x1,x1,*p,ul); p++;
159
160 t0= x3+ *(p++);
161 t1= x2+ *(p++);
162
163 x4&=0xffff;
164 idea_mul(x4,x4,*p,ul);
165
166 d[0]=(t0&0xffff)|((x1&0xffff)<<16);
167 d[1]=(x4&0xffff)|((t1&0xffff)<<16);
168 }
diff --git a/src/lib/libcrypto/idea/i_cfb64.c b/src/lib/libcrypto/idea/i_cfb64.c
new file mode 100644
index 0000000000..66d49d520e
--- /dev/null
+++ b/src/lib/libcrypto/idea/i_cfb64.c
@@ -0,0 +1,122 @@
1/* crypto/idea/i_cfb64.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/idea.h>
60#include "idea_lcl.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
67void idea_cfb64_encrypt(const unsigned char *in, unsigned char *out,
68 long length, IDEA_KEY_SCHEDULE *schedule,
69 unsigned char *ivec, int *num, int encrypt)
70 {
71 register unsigned long v0,v1,t;
72 register int n= *num;
73 register long l=length;
74 unsigned long ti[2];
75 unsigned char *iv,c,cc;
76
77 iv=(unsigned char *)ivec;
78 if (encrypt)
79 {
80 while (l--)
81 {
82 if (n == 0)
83 {
84 n2l(iv,v0); ti[0]=v0;
85 n2l(iv,v1); ti[1]=v1;
86 idea_encrypt((unsigned long *)ti,schedule);
87 iv=(unsigned char *)ivec;
88 t=ti[0]; l2n(t,iv);
89 t=ti[1]; l2n(t,iv);
90 iv=(unsigned char *)ivec;
91 }
92 c= *(in++)^iv[n];
93 *(out++)=c;
94 iv[n]=c;
95 n=(n+1)&0x07;
96 }
97 }
98 else
99 {
100 while (l--)
101 {
102 if (n == 0)
103 {
104 n2l(iv,v0); ti[0]=v0;
105 n2l(iv,v1); ti[1]=v1;
106 idea_encrypt((unsigned long *)ti,schedule);
107 iv=(unsigned char *)ivec;
108 t=ti[0]; l2n(t,iv);
109 t=ti[1]; l2n(t,iv);
110 iv=(unsigned char *)ivec;
111 }
112 cc= *(in++);
113 c=iv[n];
114 iv[n]=cc;
115 *(out++)=c^cc;
116 n=(n+1)&0x07;
117 }
118 }
119 v0=v1=ti[0]=ti[1]=t=c=cc=0;
120 *num=n;
121 }
122
diff --git a/src/lib/libcrypto/idea/i_ecb.c b/src/lib/libcrypto/idea/i_ecb.c
new file mode 100644
index 0000000000..fef38230a7
--- /dev/null
+++ b/src/lib/libcrypto/idea/i_ecb.c
@@ -0,0 +1,85 @@
1/* crypto/idea/i_ecb.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/idea.h>
60#include "idea_lcl.h"
61#include <openssl/opensslv.h>
62
63const char IDEA_version[]="IDEA" OPENSSL_VERSION_PTEXT;
64
65const char *idea_options(void)
66 {
67 if (sizeof(short) != sizeof(IDEA_INT))
68 return("idea(int)");
69 else
70 return("idea(short)");
71 }
72
73void idea_ecb_encrypt(const unsigned char *in, unsigned char *out,
74 IDEA_KEY_SCHEDULE *ks)
75 {
76 unsigned long l0,l1,d[2];
77
78 n2l(in,l0); d[0]=l0;
79 n2l(in,l1); d[1]=l1;
80 idea_encrypt(d,ks);
81 l0=d[0]; l2n(l0,out);
82 l1=d[1]; l2n(l1,out);
83 l0=l1=d[0]=d[1]=0;
84 }
85
diff --git a/src/lib/libcrypto/idea/i_ofb64.c b/src/lib/libcrypto/idea/i_ofb64.c
new file mode 100644
index 0000000000..e749e88e34
--- /dev/null
+++ b/src/lib/libcrypto/idea/i_ofb64.c
@@ -0,0 +1,111 @@
1/* crypto/idea/i_ofb64.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/idea.h>
60#include "idea_lcl.h"
61
62/* The input and output encrypted as though 64bit ofb 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 */
66void idea_ofb64_encrypt(const unsigned char *in, unsigned char *out,
67 long length, IDEA_KEY_SCHEDULE *schedule,
68 unsigned char *ivec, int *num)
69 {
70 register unsigned long v0,v1,t;
71 register int n= *num;
72 register long l=length;
73 unsigned char d[8];
74 register char *dp;
75 unsigned long ti[2];
76 unsigned char *iv;
77 int save=0;
78
79 iv=(unsigned char *)ivec;
80 n2l(iv,v0);
81 n2l(iv,v1);
82 ti[0]=v0;
83 ti[1]=v1;
84 dp=(char *)d;
85 l2n(v0,dp);
86 l2n(v1,dp);
87 while (l--)
88 {
89 if (n == 0)
90 {
91 idea_encrypt((unsigned long *)ti,schedule);
92 dp=(char *)d;
93 t=ti[0]; l2n(t,dp);
94 t=ti[1]; l2n(t,dp);
95 save++;
96 }
97 *(out++)= *(in++)^d[n];
98 n=(n+1)&0x07;
99 }
100 if (save)
101 {
102 v0=ti[0];
103 v1=ti[1];
104 iv=(unsigned char *)ivec;
105 l2n(v0,iv);
106 l2n(v1,iv);
107 }
108 t=v0=v1=ti[0]=ti[1]=0;
109 *num=n;
110 }
111
diff --git a/src/lib/libcrypto/idea/i_skey.c b/src/lib/libcrypto/idea/i_skey.c
new file mode 100644
index 0000000000..afb830964d
--- /dev/null
+++ b/src/lib/libcrypto/idea/i_skey.c
@@ -0,0 +1,164 @@
1/* crypto/idea/i_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/crypto.h>
60#include <openssl/idea.h>
61#include "idea_lcl.h"
62
63static IDEA_INT inverse(unsigned int xin);
64void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks)
65#ifdef OPENSSL_FIPS
66 {
67 fips_cipher_abort(IDEA);
68 private_idea_set_encrypt_key(key, ks);
69 }
70void private_idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks)
71#endif
72 {
73 int i;
74 register IDEA_INT *kt,*kf,r0,r1,r2;
75
76 kt= &(ks->data[0][0]);
77 n2s(key,kt[0]); n2s(key,kt[1]); n2s(key,kt[2]); n2s(key,kt[3]);
78 n2s(key,kt[4]); n2s(key,kt[5]); n2s(key,kt[6]); n2s(key,kt[7]);
79
80 kf=kt;
81 kt+=8;
82 for (i=0; i<6; i++)
83 {
84 r2= kf[1];
85 r1= kf[2];
86 *(kt++)= ((r2<<9) | (r1>>7))&0xffff;
87 r0= kf[3];
88 *(kt++)= ((r1<<9) | (r0>>7))&0xffff;
89 r1= kf[4];
90 *(kt++)= ((r0<<9) | (r1>>7))&0xffff;
91 r0= kf[5];
92 *(kt++)= ((r1<<9) | (r0>>7))&0xffff;
93 r1= kf[6];
94 *(kt++)= ((r0<<9) | (r1>>7))&0xffff;
95 r0= kf[7];
96 *(kt++)= ((r1<<9) | (r0>>7))&0xffff;
97 r1= kf[0];
98 if (i >= 5) break;
99 *(kt++)= ((r0<<9) | (r1>>7))&0xffff;
100 *(kt++)= ((r1<<9) | (r2>>7))&0xffff;
101 kf+=8;
102 }
103 }
104
105void idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk)
106 {
107 int r;
108 register IDEA_INT *fp,*tp,t;
109
110 tp= &(dk->data[0][0]);
111 fp= &(ek->data[8][0]);
112 for (r=0; r<9; r++)
113 {
114 *(tp++)=inverse(fp[0]);
115 *(tp++)=((int)(0x10000L-fp[2])&0xffff);
116 *(tp++)=((int)(0x10000L-fp[1])&0xffff);
117 *(tp++)=inverse(fp[3]);
118 if (r == 8) break;
119 fp-=6;
120 *(tp++)=fp[4];
121 *(tp++)=fp[5];
122 }
123
124 tp= &(dk->data[0][0]);
125 t=tp[1];
126 tp[1]=tp[2];
127 tp[2]=t;
128
129 t=tp[49];
130 tp[49]=tp[50];
131 tp[50]=t;
132 }
133
134/* taken directly from the 'paper' I'll have a look at it later */
135static IDEA_INT inverse(unsigned int xin)
136 {
137 long n1,n2,q,r,b1,b2,t;
138
139 if (xin == 0)
140 b2=0;
141 else
142 {
143 n1=0x10001;
144 n2=xin;
145 b2=1;
146 b1=0;
147
148 do {
149 r=(n1%n2);
150 q=(n1-r)/n2;
151 if (r == 0)
152 { if (b2 < 0) b2=0x10001+b2; }
153 else
154 {
155 n1=n2;
156 n2=r;
157 t=b2;
158 b2=b1-q*b2;
159 b1=t;
160 }
161 } while (r != 0);
162 }
163 return((IDEA_INT)b2);
164 }
diff --git a/src/lib/libcrypto/idea/idea_lcl.h b/src/lib/libcrypto/idea/idea_lcl.h
new file mode 100644
index 0000000000..f3dbfa67e9
--- /dev/null
+++ b/src/lib/libcrypto/idea/idea_lcl.h
@@ -0,0 +1,215 @@
1/* crypto/idea/idea_lcl.h */
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/* The new form of this macro (check if the a*b == 0) was suggested by
60 * Colin Plumb <colin@nyx10.cs.du.edu> */
61/* Removal of the inner if from from Wei Dai 24/4/96 */
62#define idea_mul(r,a,b,ul) \
63ul=(unsigned long)a*b; \
64if (ul != 0) \
65 { \
66 r=(ul&0xffff)-(ul>>16); \
67 r-=((r)>>16); \
68 } \
69else \
70 r=(-(int)a-b+1); /* assuming a or b is 0 and in range */
71
72#ifdef undef
73#define idea_mul(r,a,b,ul,sl) \
74if (a == 0) r=(0x10001-b)&0xffff; \
75else if (b == 0) r=(0x10001-a)&0xffff; \
76else { \
77 ul=(unsigned long)a*b; \
78 sl=(ul&0xffff)-(ul>>16); \
79 if (sl <= 0) sl+=0x10001; \
80 r=sl; \
81 }
82#endif
83
84/* 7/12/95 - Many thanks to Rhys Weatherley <rweather@us.oracle.com>
85 * for pointing out that I was assuming little endian
86 * byte order for all quantities what idea
87 * actually used bigendian. No where in the spec does it mention
88 * this, it is all in terms of 16 bit numbers and even the example
89 * does not use byte streams for the input example :-(.
90 * If you byte swap each pair of input, keys and iv, the functions
91 * would produce the output as the old version :-(.
92 */
93
94/* NOTE - c is not incremented as per n2l */
95#define n2ln(c,l1,l2,n) { \
96 c+=n; \
97 l1=l2=0; \
98 switch (n) { \
99 case 8: l2 =((unsigned long)(*(--(c)))) ; \
100 case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
101 case 6: l2|=((unsigned long)(*(--(c))))<<16; \
102 case 5: l2|=((unsigned long)(*(--(c))))<<24; \
103 case 4: l1 =((unsigned long)(*(--(c)))) ; \
104 case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
105 case 2: l1|=((unsigned long)(*(--(c))))<<16; \
106 case 1: l1|=((unsigned long)(*(--(c))))<<24; \
107 } \
108 }
109
110/* NOTE - c is not incremented as per l2n */
111#define l2nn(l1,l2,c,n) { \
112 c+=n; \
113 switch (n) { \
114 case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
115 case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
116 case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
117 case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
118 case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
119 case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
120 case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
121 case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
122 } \
123 }
124
125#undef n2l
126#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
127 l|=((unsigned long)(*((c)++)))<<16L, \
128 l|=((unsigned long)(*((c)++)))<< 8L, \
129 l|=((unsigned long)(*((c)++))))
130
131#undef l2n
132#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
133 *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
134 *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
135 *((c)++)=(unsigned char)(((l) )&0xff))
136
137#undef s2n
138#define s2n(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
139 *((c)++)=(unsigned char)(((l)>> 8L)&0xff))
140
141#undef n2s
142#define n2s(c,l) (l =((IDEA_INT)(*((c)++)))<< 8L, \
143 l|=((IDEA_INT)(*((c)++))) )
144
145#ifdef undef
146/* NOTE - c is not incremented as per c2l */
147#define c2ln(c,l1,l2,n) { \
148 c+=n; \
149 l1=l2=0; \
150 switch (n) { \
151 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
152 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
153 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
154 case 5: l2|=((unsigned long)(*(--(c)))); \
155 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
156 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
157 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
158 case 1: l1|=((unsigned long)(*(--(c)))); \
159 } \
160 }
161
162/* NOTE - c is not incremented as per l2c */
163#define l2cn(l1,l2,c,n) { \
164 c+=n; \
165 switch (n) { \
166 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
167 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
168 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
169 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
170 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
171 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
172 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
173 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
174 } \
175 }
176
177#undef c2s
178#define c2s(c,l) (l =((unsigned long)(*((c)++))) , \
179 l|=((unsigned long)(*((c)++)))<< 8L)
180
181#undef s2c
182#define s2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
183 *((c)++)=(unsigned char)(((l)>> 8L)&0xff))
184
185#undef c2l
186#define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
187 l|=((unsigned long)(*((c)++)))<< 8L, \
188 l|=((unsigned long)(*((c)++)))<<16L, \
189 l|=((unsigned long)(*((c)++)))<<24L)
190
191#undef l2c
192#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
193 *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
194 *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
195 *((c)++)=(unsigned char)(((l)>>24L)&0xff))
196#endif
197
198#define E_IDEA(num) \
199 x1&=0xffff; \
200 idea_mul(x1,x1,*p,ul); p++; \
201 x2+= *(p++); \
202 x3+= *(p++); \
203 x4&=0xffff; \
204 idea_mul(x4,x4,*p,ul); p++; \
205 t0=(x1^x3)&0xffff; \
206 idea_mul(t0,t0,*p,ul); p++; \
207 t1=(t0+(x2^x4))&0xffff; \
208 idea_mul(t1,t1,*p,ul); p++; \
209 t0+=t1; \
210 x1^=t1; \
211 x4^=t0; \
212 ul=x2^t0; /* do the swap to x3 */ \
213 x2=x3^t1; \
214 x3=ul;
215
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