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1 /*
2  * Diffie-Hellman groups
3  * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "includes.h"
10 
11 #include "common.h"
12 #include "crypto.h"
13 #include "random.h"
14 #include "dh_groups.h"
15 
16 
17 #ifdef ALL_DH_GROUPS
18 
19 /* RFC 4306, B.1. Group 1 - 768 Bit MODP
20  * Generator: 2
21  * Prime: 2^768 - 2 ^704 - 1 + 2^64 * { [2^638 pi] + 149686 }
22  */
23 static const u8 dh_group1_generator[1] = { 0x02 };
24 static const u8 dh_group1_prime[96] = {
25 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
26 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
27 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
28 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
29 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
30 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
31 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
32 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
33 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
34 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
35 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x3A, 0x36, 0x20,
36 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
37 };
38 static const u8 dh_group1_order[96] = {
39 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
40 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
41 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
42 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
43 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
44 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
45 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
46 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
47 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
48 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
49 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1D, 0x1B, 0x10,
50 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
51 };
52 
53 /* RFC 4306, B.2. Group 2 - 1024 Bit MODP
54  * Generator: 2
55  * Prime: 2^1024 - 2^960 - 1 + 2^64 * { [2^894 pi] + 129093 }
56  */
57 static const u8 dh_group2_generator[1] = { 0x02 };
58 static const u8 dh_group2_prime[128] = {
59 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
60 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
61 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
62 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
63 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
64 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
65 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
66 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
67 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
68 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
69 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
70 	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
71 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
72 	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
73 	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE6, 0x53, 0x81,
74 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
75 };
76 static const u8 dh_group2_order[128] = {
77 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
78 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
79 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
80 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
81 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
82 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
83 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
84 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
85 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
86 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
87 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1B, 0xF6, 0xB5,
88 	0x85, 0xFF, 0xAE, 0x5B, 0x7A, 0x03, 0x5B, 0xF6,
89 	0xF7, 0x1C, 0x35, 0xFD, 0xAD, 0x44, 0xCF, 0xD2,
90 	0xD7, 0x4F, 0x92, 0x08, 0xBE, 0x25, 0x8F, 0xF3,
91 	0x24, 0x94, 0x33, 0x28, 0xF6, 0x73, 0x29, 0xC0,
92 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
93 };
94 
95 #endif /* ALL_DH_GROUPS */
96 
97 /* RFC 3526, 2. Group 5 - 1536 Bit MODP
98  * Generator: 2
99  * Prime: 2^1536 - 2^1472 - 1 + 2^64 * { [2^1406 pi] + 741804 }
100  */
101 static const u8 dh_group5_generator[1] = { 0x02 };
102 static const u8 dh_group5_prime[192] = {
103 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
104 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
105 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
106 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
107 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
108 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
109 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
110 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
111 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
112 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
113 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
114 	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
115 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
116 	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
117 	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
118 	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
119 	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
120 	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
121 	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
122 	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
123 	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
124 	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
125 	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x23, 0x73, 0x27,
126 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
127 };
128 static const u8 dh_group5_order[192] = {
129 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
130 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
131 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
132 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
133 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
134 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
135 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
136 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
137 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
138 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
139 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1B, 0xF6, 0xB5,
140 	0x85, 0xFF, 0xAE, 0x5B, 0x7A, 0x03, 0x5B, 0xF6,
141 	0xF7, 0x1C, 0x35, 0xFD, 0xAD, 0x44, 0xCF, 0xD2,
142 	0xD7, 0x4F, 0x92, 0x08, 0xBE, 0x25, 0x8F, 0xF3,
143 	0x24, 0x94, 0x33, 0x28, 0xF6, 0x72, 0x2D, 0x9E,
144 	0xE1, 0x00, 0x3E, 0x5C, 0x50, 0xB1, 0xDF, 0x82,
145 	0xCC, 0x6D, 0x24, 0x1B, 0x0E, 0x2A, 0xE9, 0xCD,
146 	0x34, 0x8B, 0x1F, 0xD4, 0x7E, 0x92, 0x67, 0xAF,
147 	0xC1, 0xB2, 0xAE, 0x91, 0xEE, 0x51, 0xD6, 0xCB,
148 	0x0E, 0x31, 0x79, 0xAB, 0x10, 0x42, 0xA9, 0x5D,
149 	0xCF, 0x6A, 0x94, 0x83, 0xB8, 0x4B, 0x4B, 0x36,
150 	0xB3, 0x86, 0x1A, 0xA7, 0x25, 0x5E, 0x4C, 0x02,
151 	0x78, 0xBA, 0x36, 0x04, 0x65, 0x11, 0xB9, 0x93,
152 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
153 };
154 
155 #ifdef ALL_DH_GROUPS
156 
157 /* RFC 3526, 3. Group 14 - 2048 Bit MODP
158  * Generator: 2
159  * Prime: 2^2048 - 2^1984 - 1 + 2^64 * { [2^1918 pi] + 124476 }
160  */
161 static const u8 dh_group14_generator[1] = { 0x02 };
162 static const u8 dh_group14_prime[256] = {
163 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
164 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
165 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
166 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
167 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
168 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
169 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
170 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
171 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
172 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
173 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
174 	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
175 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
176 	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
177 	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
178 	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
179 	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
180 	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
181 	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
182 	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
183 	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
184 	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
185 	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
186 	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
187 	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
188 	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
189 	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
190 	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
191 	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
192 	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
193 	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAC, 0xAA, 0x68,
194 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
195 };
196 static const u8 dh_group14_order[256] = {
197 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
198 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
199 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
200 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
201 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
202 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
203 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
204 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
205 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
206 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
207 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1B, 0xF6, 0xB5,
208 	0x85, 0xFF, 0xAE, 0x5B, 0x7A, 0x03, 0x5B, 0xF6,
209 	0xF7, 0x1C, 0x35, 0xFD, 0xAD, 0x44, 0xCF, 0xD2,
210 	0xD7, 0x4F, 0x92, 0x08, 0xBE, 0x25, 0x8F, 0xF3,
211 	0x24, 0x94, 0x33, 0x28, 0xF6, 0x72, 0x2D, 0x9E,
212 	0xE1, 0x00, 0x3E, 0x5C, 0x50, 0xB1, 0xDF, 0x82,
213 	0xCC, 0x6D, 0x24, 0x1B, 0x0E, 0x2A, 0xE9, 0xCD,
214 	0x34, 0x8B, 0x1F, 0xD4, 0x7E, 0x92, 0x67, 0xAF,
215 	0xC1, 0xB2, 0xAE, 0x91, 0xEE, 0x51, 0xD6, 0xCB,
216 	0x0E, 0x31, 0x79, 0xAB, 0x10, 0x42, 0xA9, 0x5D,
217 	0xCF, 0x6A, 0x94, 0x83, 0xB8, 0x4B, 0x4B, 0x36,
218 	0xB3, 0x86, 0x1A, 0xA7, 0x25, 0x5E, 0x4C, 0x02,
219 	0x78, 0xBA, 0x36, 0x04, 0x65, 0x0C, 0x10, 0xBE,
220 	0x19, 0x48, 0x2F, 0x23, 0x17, 0x1B, 0x67, 0x1D,
221 	0xF1, 0xCF, 0x3B, 0x96, 0x0C, 0x07, 0x43, 0x01,
222 	0xCD, 0x93, 0xC1, 0xD1, 0x76, 0x03, 0xD1, 0x47,
223 	0xDA, 0xE2, 0xAE, 0xF8, 0x37, 0xA6, 0x29, 0x64,
224 	0xEF, 0x15, 0xE5, 0xFB, 0x4A, 0xAC, 0x0B, 0x8C,
225 	0x1C, 0xCA, 0xA4, 0xBE, 0x75, 0x4A, 0xB5, 0x72,
226 	0x8A, 0xE9, 0x13, 0x0C, 0x4C, 0x7D, 0x02, 0x88,
227 	0x0A, 0xB9, 0x47, 0x2D, 0x45, 0x56, 0x55, 0x34,
228 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
229 };
230 
231 /* RFC 3526, 4. Group 15 - 3072 Bit MODP
232  * Generator: 2
233  * Prime: 2^3072 - 2^3008 - 1 + 2^64 * { [2^2942 pi] + 1690314 }
234  */
235 static const u8 dh_group15_generator[1] = { 0x02 };
236 static const u8 dh_group15_prime[384] = {
237 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
238 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
239 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
240 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
241 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
242 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
243 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
244 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
245 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
246 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
247 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
248 	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
249 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
250 	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
251 	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
252 	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
253 	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
254 	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
255 	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
256 	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
257 	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
258 	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
259 	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
260 	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
261 	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
262 	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
263 	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
264 	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
265 	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
266 	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
267 	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
268 	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
269 	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
270 	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
271 	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
272 	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
273 	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
274 	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
275 	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
276 	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
277 	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
278 	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
279 	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
280 	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
281 	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
282 	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
283 	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x3A, 0xD2, 0xCA,
284 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
285 };
286 static const u8 dh_group15_order[384] = {
287 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
288 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
289 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
290 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
291 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
292 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
293 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
294 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
295 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
296 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
297 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1B, 0xF6, 0xB5,
298 	0x85, 0xFF, 0xAE, 0x5B, 0x7A, 0x03, 0x5B, 0xF6,
299 	0xF7, 0x1C, 0x35, 0xFD, 0xAD, 0x44, 0xCF, 0xD2,
300 	0xD7, 0x4F, 0x92, 0x08, 0xBE, 0x25, 0x8F, 0xF3,
301 	0x24, 0x94, 0x33, 0x28, 0xF6, 0x72, 0x2D, 0x9E,
302 	0xE1, 0x00, 0x3E, 0x5C, 0x50, 0xB1, 0xDF, 0x82,
303 	0xCC, 0x6D, 0x24, 0x1B, 0x0E, 0x2A, 0xE9, 0xCD,
304 	0x34, 0x8B, 0x1F, 0xD4, 0x7E, 0x92, 0x67, 0xAF,
305 	0xC1, 0xB2, 0xAE, 0x91, 0xEE, 0x51, 0xD6, 0xCB,
306 	0x0E, 0x31, 0x79, 0xAB, 0x10, 0x42, 0xA9, 0x5D,
307 	0xCF, 0x6A, 0x94, 0x83, 0xB8, 0x4B, 0x4B, 0x36,
308 	0xB3, 0x86, 0x1A, 0xA7, 0x25, 0x5E, 0x4C, 0x02,
309 	0x78, 0xBA, 0x36, 0x04, 0x65, 0x0C, 0x10, 0xBE,
310 	0x19, 0x48, 0x2F, 0x23, 0x17, 0x1B, 0x67, 0x1D,
311 	0xF1, 0xCF, 0x3B, 0x96, 0x0C, 0x07, 0x43, 0x01,
312 	0xCD, 0x93, 0xC1, 0xD1, 0x76, 0x03, 0xD1, 0x47,
313 	0xDA, 0xE2, 0xAE, 0xF8, 0x37, 0xA6, 0x29, 0x64,
314 	0xEF, 0x15, 0xE5, 0xFB, 0x4A, 0xAC, 0x0B, 0x8C,
315 	0x1C, 0xCA, 0xA4, 0xBE, 0x75, 0x4A, 0xB5, 0x72,
316 	0x8A, 0xE9, 0x13, 0x0C, 0x4C, 0x7D, 0x02, 0x88,
317 	0x0A, 0xB9, 0x47, 0x2D, 0x45, 0x55, 0x62, 0x16,
318 	0xD6, 0x99, 0x8B, 0x86, 0x82, 0x28, 0x3D, 0x19,
319 	0xD4, 0x2A, 0x90, 0xD5, 0xEF, 0x8E, 0x5D, 0x32,
320 	0x76, 0x7D, 0xC2, 0x82, 0x2C, 0x6D, 0xF7, 0x85,
321 	0x45, 0x75, 0x38, 0xAB, 0xAE, 0x83, 0x06, 0x3E,
322 	0xD9, 0xCB, 0x87, 0xC2, 0xD3, 0x70, 0xF2, 0x63,
323 	0xD5, 0xFA, 0xD7, 0x46, 0x6D, 0x84, 0x99, 0xEB,
324 	0x8F, 0x46, 0x4A, 0x70, 0x25, 0x12, 0xB0, 0xCE,
325 	0xE7, 0x71, 0xE9, 0x13, 0x0D, 0x69, 0x77, 0x35,
326 	0xF8, 0x97, 0xFD, 0x03, 0x6C, 0xC5, 0x04, 0x32,
327 	0x6C, 0x3B, 0x01, 0x39, 0x9F, 0x64, 0x35, 0x32,
328 	0x29, 0x0F, 0x95, 0x8C, 0x0B, 0xBD, 0x90, 0x06,
329 	0x5D, 0xF0, 0x8B, 0xAB, 0xBD, 0x30, 0xAE, 0xB6,
330 	0x3B, 0x84, 0xC4, 0x60, 0x5D, 0x6C, 0xA3, 0x71,
331 	0x04, 0x71, 0x27, 0xD0, 0x3A, 0x72, 0xD5, 0x98,
332 	0xA1, 0xED, 0xAD, 0xFE, 0x70, 0x7E, 0x88, 0x47,
333 	0x25, 0xC1, 0x68, 0x90, 0x54, 0x9D, 0x69, 0x65,
334 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
335 };
336 
337 /* RFC 3526, 5. Group 16 - 4096 Bit MODP
338  * Generator: 2
339  * Prime: 2^4096 - 2^4032 - 1 + 2^64 * { [2^3966 pi] + 240904 }
340  */
341 static const u8 dh_group16_generator[1] = { 0x02 };
342 static const u8 dh_group16_prime[512] = {
343 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
344 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
345 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
346 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
347 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
348 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
349 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
350 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
351 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
352 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
353 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
354 	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
355 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
356 	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
357 	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
358 	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
359 	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
360 	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
361 	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
362 	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
363 	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
364 	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
365 	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
366 	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
367 	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
368 	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
369 	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
370 	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
371 	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
372 	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
373 	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
374 	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
375 	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
376 	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
377 	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
378 	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
379 	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
380 	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
381 	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
382 	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
383 	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
384 	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
385 	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
386 	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
387 	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
388 	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
389 	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x21, 0x08, 0x01,
390 	0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7,
391 	0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26,
392 	0x99, 0xC3, 0x27, 0x18, 0x6A, 0xF4, 0xE2, 0x3C,
393 	0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA,
394 	0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8,
395 	0xDB, 0xBB, 0xC2, 0xDB, 0x04, 0xDE, 0x8E, 0xF9,
396 	0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6,
397 	0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D,
398 	0x99, 0xB2, 0x96, 0x4F, 0xA0, 0x90, 0xC3, 0xA2,
399 	0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED,
400 	0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF,
401 	0xB8, 0x1B, 0xDD, 0x76, 0x21, 0x70, 0x48, 0x1C,
402 	0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9,
403 	0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1,
404 	0x86, 0xFF, 0xB7, 0xDC, 0x90, 0xA6, 0xC0, 0x8F,
405 	0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x06, 0x31, 0x99,
406 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
407 };
408 static const u8 dh_group16_order[512] = {
409 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
410 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
411 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
412 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
413 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
414 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
415 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
416 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
417 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
418 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
419 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1B, 0xF6, 0xB5,
420 	0x85, 0xFF, 0xAE, 0x5B, 0x7A, 0x03, 0x5B, 0xF6,
421 	0xF7, 0x1C, 0x35, 0xFD, 0xAD, 0x44, 0xCF, 0xD2,
422 	0xD7, 0x4F, 0x92, 0x08, 0xBE, 0x25, 0x8F, 0xF3,
423 	0x24, 0x94, 0x33, 0x28, 0xF6, 0x72, 0x2D, 0x9E,
424 	0xE1, 0x00, 0x3E, 0x5C, 0x50, 0xB1, 0xDF, 0x82,
425 	0xCC, 0x6D, 0x24, 0x1B, 0x0E, 0x2A, 0xE9, 0xCD,
426 	0x34, 0x8B, 0x1F, 0xD4, 0x7E, 0x92, 0x67, 0xAF,
427 	0xC1, 0xB2, 0xAE, 0x91, 0xEE, 0x51, 0xD6, 0xCB,
428 	0x0E, 0x31, 0x79, 0xAB, 0x10, 0x42, 0xA9, 0x5D,
429 	0xCF, 0x6A, 0x94, 0x83, 0xB8, 0x4B, 0x4B, 0x36,
430 	0xB3, 0x86, 0x1A, 0xA7, 0x25, 0x5E, 0x4C, 0x02,
431 	0x78, 0xBA, 0x36, 0x04, 0x65, 0x0C, 0x10, 0xBE,
432 	0x19, 0x48, 0x2F, 0x23, 0x17, 0x1B, 0x67, 0x1D,
433 	0xF1, 0xCF, 0x3B, 0x96, 0x0C, 0x07, 0x43, 0x01,
434 	0xCD, 0x93, 0xC1, 0xD1, 0x76, 0x03, 0xD1, 0x47,
435 	0xDA, 0xE2, 0xAE, 0xF8, 0x37, 0xA6, 0x29, 0x64,
436 	0xEF, 0x15, 0xE5, 0xFB, 0x4A, 0xAC, 0x0B, 0x8C,
437 	0x1C, 0xCA, 0xA4, 0xBE, 0x75, 0x4A, 0xB5, 0x72,
438 	0x8A, 0xE9, 0x13, 0x0C, 0x4C, 0x7D, 0x02, 0x88,
439 	0x0A, 0xB9, 0x47, 0x2D, 0x45, 0x55, 0x62, 0x16,
440 	0xD6, 0x99, 0x8B, 0x86, 0x82, 0x28, 0x3D, 0x19,
441 	0xD4, 0x2A, 0x90, 0xD5, 0xEF, 0x8E, 0x5D, 0x32,
442 	0x76, 0x7D, 0xC2, 0x82, 0x2C, 0x6D, 0xF7, 0x85,
443 	0x45, 0x75, 0x38, 0xAB, 0xAE, 0x83, 0x06, 0x3E,
444 	0xD9, 0xCB, 0x87, 0xC2, 0xD3, 0x70, 0xF2, 0x63,
445 	0xD5, 0xFA, 0xD7, 0x46, 0x6D, 0x84, 0x99, 0xEB,
446 	0x8F, 0x46, 0x4A, 0x70, 0x25, 0x12, 0xB0, 0xCE,
447 	0xE7, 0x71, 0xE9, 0x13, 0x0D, 0x69, 0x77, 0x35,
448 	0xF8, 0x97, 0xFD, 0x03, 0x6C, 0xC5, 0x04, 0x32,
449 	0x6C, 0x3B, 0x01, 0x39, 0x9F, 0x64, 0x35, 0x32,
450 	0x29, 0x0F, 0x95, 0x8C, 0x0B, 0xBD, 0x90, 0x06,
451 	0x5D, 0xF0, 0x8B, 0xAB, 0xBD, 0x30, 0xAE, 0xB6,
452 	0x3B, 0x84, 0xC4, 0x60, 0x5D, 0x6C, 0xA3, 0x71,
453 	0x04, 0x71, 0x27, 0xD0, 0x3A, 0x72, 0xD5, 0x98,
454 	0xA1, 0xED, 0xAD, 0xFE, 0x70, 0x7E, 0x88, 0x47,
455 	0x25, 0xC1, 0x68, 0x90, 0x54, 0x90, 0x84, 0x00,
456 	0x8D, 0x39, 0x1E, 0x09, 0x53, 0xC3, 0xF3, 0x6B,
457 	0xC4, 0x38, 0xCD, 0x08, 0x5E, 0xDD, 0x2D, 0x93,
458 	0x4C, 0xE1, 0x93, 0x8C, 0x35, 0x7A, 0x71, 0x1E,
459 	0x0D, 0x4A, 0x34, 0x1A, 0x5B, 0x0A, 0x85, 0xED,
460 	0x12, 0xC1, 0xF4, 0xE5, 0x15, 0x6A, 0x26, 0x74,
461 	0x6D, 0xDD, 0xE1, 0x6D, 0x82, 0x6F, 0x47, 0x7C,
462 	0x97, 0x47, 0x7E, 0x0A, 0x0F, 0xDF, 0x65, 0x53,
463 	0x14, 0x3E, 0x2C, 0xA3, 0xA7, 0x35, 0xE0, 0x2E,
464 	0xCC, 0xD9, 0x4B, 0x27, 0xD0, 0x48, 0x61, 0xD1,
465 	0x11, 0x9D, 0xD0, 0xC3, 0x28, 0xAD, 0xF3, 0xF6,
466 	0x8F, 0xB0, 0x94, 0xB8, 0x67, 0x71, 0x6B, 0xD7,
467 	0xDC, 0x0D, 0xEE, 0xBB, 0x10, 0xB8, 0x24, 0x0E,
468 	0x68, 0x03, 0x48, 0x93, 0xEA, 0xD8, 0x2D, 0x54,
469 	0xC9, 0xDA, 0x75, 0x4C, 0x46, 0xC7, 0xEE, 0xE0,
470 	0xC3, 0x7F, 0xDB, 0xEE, 0x48, 0x53, 0x60, 0x47,
471 	0xA6, 0xFA, 0x1A, 0xE4, 0x9A, 0x03, 0x18, 0xCC,
472 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
473 };
474 
475 /* RFC 3526, 6. Group 17 - 6144 Bit MODP
476  * Generator: 2
477  * Prime: 2^6144 - 2^6080 - 1 + 2^64 * { [2^6014 pi] + 929484 }
478  */
479 static const u8 dh_group17_generator[1] = { 0x02 };
480 static const u8 dh_group17_prime[768] = {
481 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
482 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
483 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
484 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
485 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
486 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
487 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
488 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
489 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
490 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
491 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
492 	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
493 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
494 	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
495 	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
496 	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
497 	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
498 	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
499 	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
500 	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
501 	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
502 	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
503 	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
504 	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
505 	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
506 	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
507 	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
508 	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
509 	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
510 	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
511 	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
512 	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
513 	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
514 	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
515 	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
516 	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
517 	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
518 	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
519 	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
520 	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
521 	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
522 	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
523 	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
524 	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
525 	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
526 	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
527 	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x21, 0x08, 0x01,
528 	0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7,
529 	0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26,
530 	0x99, 0xC3, 0x27, 0x18, 0x6A, 0xF4, 0xE2, 0x3C,
531 	0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA,
532 	0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8,
533 	0xDB, 0xBB, 0xC2, 0xDB, 0x04, 0xDE, 0x8E, 0xF9,
534 	0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6,
535 	0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D,
536 	0x99, 0xB2, 0x96, 0x4F, 0xA0, 0x90, 0xC3, 0xA2,
537 	0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED,
538 	0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF,
539 	0xB8, 0x1B, 0xDD, 0x76, 0x21, 0x70, 0x48, 0x1C,
540 	0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9,
541 	0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1,
542 	0x86, 0xFF, 0xB7, 0xDC, 0x90, 0xA6, 0xC0, 0x8F,
543 	0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x02, 0x84, 0x92,
544 	0x36, 0xC3, 0xFA, 0xB4, 0xD2, 0x7C, 0x70, 0x26,
545 	0xC1, 0xD4, 0xDC, 0xB2, 0x60, 0x26, 0x46, 0xDE,
546 	0xC9, 0x75, 0x1E, 0x76, 0x3D, 0xBA, 0x37, 0xBD,
547 	0xF8, 0xFF, 0x94, 0x06, 0xAD, 0x9E, 0x53, 0x0E,
548 	0xE5, 0xDB, 0x38, 0x2F, 0x41, 0x30, 0x01, 0xAE,
549 	0xB0, 0x6A, 0x53, 0xED, 0x90, 0x27, 0xD8, 0x31,
550 	0x17, 0x97, 0x27, 0xB0, 0x86, 0x5A, 0x89, 0x18,
551 	0xDA, 0x3E, 0xDB, 0xEB, 0xCF, 0x9B, 0x14, 0xED,
552 	0x44, 0xCE, 0x6C, 0xBA, 0xCE, 0xD4, 0xBB, 0x1B,
553 	0xDB, 0x7F, 0x14, 0x47, 0xE6, 0xCC, 0x25, 0x4B,
554 	0x33, 0x20, 0x51, 0x51, 0x2B, 0xD7, 0xAF, 0x42,
555 	0x6F, 0xB8, 0xF4, 0x01, 0x37, 0x8C, 0xD2, 0xBF,
556 	0x59, 0x83, 0xCA, 0x01, 0xC6, 0x4B, 0x92, 0xEC,
557 	0xF0, 0x32, 0xEA, 0x15, 0xD1, 0x72, 0x1D, 0x03,
558 	0xF4, 0x82, 0xD7, 0xCE, 0x6E, 0x74, 0xFE, 0xF6,
559 	0xD5, 0x5E, 0x70, 0x2F, 0x46, 0x98, 0x0C, 0x82,
560 	0xB5, 0xA8, 0x40, 0x31, 0x90, 0x0B, 0x1C, 0x9E,
561 	0x59, 0xE7, 0xC9, 0x7F, 0xBE, 0xC7, 0xE8, 0xF3,
562 	0x23, 0xA9, 0x7A, 0x7E, 0x36, 0xCC, 0x88, 0xBE,
563 	0x0F, 0x1D, 0x45, 0xB7, 0xFF, 0x58, 0x5A, 0xC5,
564 	0x4B, 0xD4, 0x07, 0xB2, 0x2B, 0x41, 0x54, 0xAA,
565 	0xCC, 0x8F, 0x6D, 0x7E, 0xBF, 0x48, 0xE1, 0xD8,
566 	0x14, 0xCC, 0x5E, 0xD2, 0x0F, 0x80, 0x37, 0xE0,
567 	0xA7, 0x97, 0x15, 0xEE, 0xF2, 0x9B, 0xE3, 0x28,
568 	0x06, 0xA1, 0xD5, 0x8B, 0xB7, 0xC5, 0xDA, 0x76,
569 	0xF5, 0x50, 0xAA, 0x3D, 0x8A, 0x1F, 0xBF, 0xF0,
570 	0xEB, 0x19, 0xCC, 0xB1, 0xA3, 0x13, 0xD5, 0x5C,
571 	0xDA, 0x56, 0xC9, 0xEC, 0x2E, 0xF2, 0x96, 0x32,
572 	0x38, 0x7F, 0xE8, 0xD7, 0x6E, 0x3C, 0x04, 0x68,
573 	0x04, 0x3E, 0x8F, 0x66, 0x3F, 0x48, 0x60, 0xEE,
574 	0x12, 0xBF, 0x2D, 0x5B, 0x0B, 0x74, 0x74, 0xD6,
575 	0xE6, 0x94, 0xF9, 0x1E, 0x6D, 0xCC, 0x40, 0x24,
576 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
577 };
578 static const u8 dh_group17_order[768] = {
579 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
580 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
581 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
582 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
583 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
584 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
585 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
586 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
587 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
588 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
589 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1B, 0xF6, 0xB5,
590 	0x85, 0xFF, 0xAE, 0x5B, 0x7A, 0x03, 0x5B, 0xF6,
591 	0xF7, 0x1C, 0x35, 0xFD, 0xAD, 0x44, 0xCF, 0xD2,
592 	0xD7, 0x4F, 0x92, 0x08, 0xBE, 0x25, 0x8F, 0xF3,
593 	0x24, 0x94, 0x33, 0x28, 0xF6, 0x72, 0x2D, 0x9E,
594 	0xE1, 0x00, 0x3E, 0x5C, 0x50, 0xB1, 0xDF, 0x82,
595 	0xCC, 0x6D, 0x24, 0x1B, 0x0E, 0x2A, 0xE9, 0xCD,
596 	0x34, 0x8B, 0x1F, 0xD4, 0x7E, 0x92, 0x67, 0xAF,
597 	0xC1, 0xB2, 0xAE, 0x91, 0xEE, 0x51, 0xD6, 0xCB,
598 	0x0E, 0x31, 0x79, 0xAB, 0x10, 0x42, 0xA9, 0x5D,
599 	0xCF, 0x6A, 0x94, 0x83, 0xB8, 0x4B, 0x4B, 0x36,
600 	0xB3, 0x86, 0x1A, 0xA7, 0x25, 0x5E, 0x4C, 0x02,
601 	0x78, 0xBA, 0x36, 0x04, 0x65, 0x0C, 0x10, 0xBE,
602 	0x19, 0x48, 0x2F, 0x23, 0x17, 0x1B, 0x67, 0x1D,
603 	0xF1, 0xCF, 0x3B, 0x96, 0x0C, 0x07, 0x43, 0x01,
604 	0xCD, 0x93, 0xC1, 0xD1, 0x76, 0x03, 0xD1, 0x47,
605 	0xDA, 0xE2, 0xAE, 0xF8, 0x37, 0xA6, 0x29, 0x64,
606 	0xEF, 0x15, 0xE5, 0xFB, 0x4A, 0xAC, 0x0B, 0x8C,
607 	0x1C, 0xCA, 0xA4, 0xBE, 0x75, 0x4A, 0xB5, 0x72,
608 	0x8A, 0xE9, 0x13, 0x0C, 0x4C, 0x7D, 0x02, 0x88,
609 	0x0A, 0xB9, 0x47, 0x2D, 0x45, 0x55, 0x62, 0x16,
610 	0xD6, 0x99, 0x8B, 0x86, 0x82, 0x28, 0x3D, 0x19,
611 	0xD4, 0x2A, 0x90, 0xD5, 0xEF, 0x8E, 0x5D, 0x32,
612 	0x76, 0x7D, 0xC2, 0x82, 0x2C, 0x6D, 0xF7, 0x85,
613 	0x45, 0x75, 0x38, 0xAB, 0xAE, 0x83, 0x06, 0x3E,
614 	0xD9, 0xCB, 0x87, 0xC2, 0xD3, 0x70, 0xF2, 0x63,
615 	0xD5, 0xFA, 0xD7, 0x46, 0x6D, 0x84, 0x99, 0xEB,
616 	0x8F, 0x46, 0x4A, 0x70, 0x25, 0x12, 0xB0, 0xCE,
617 	0xE7, 0x71, 0xE9, 0x13, 0x0D, 0x69, 0x77, 0x35,
618 	0xF8, 0x97, 0xFD, 0x03, 0x6C, 0xC5, 0x04, 0x32,
619 	0x6C, 0x3B, 0x01, 0x39, 0x9F, 0x64, 0x35, 0x32,
620 	0x29, 0x0F, 0x95, 0x8C, 0x0B, 0xBD, 0x90, 0x06,
621 	0x5D, 0xF0, 0x8B, 0xAB, 0xBD, 0x30, 0xAE, 0xB6,
622 	0x3B, 0x84, 0xC4, 0x60, 0x5D, 0x6C, 0xA3, 0x71,
623 	0x04, 0x71, 0x27, 0xD0, 0x3A, 0x72, 0xD5, 0x98,
624 	0xA1, 0xED, 0xAD, 0xFE, 0x70, 0x7E, 0x88, 0x47,
625 	0x25, 0xC1, 0x68, 0x90, 0x54, 0x90, 0x84, 0x00,
626 	0x8D, 0x39, 0x1E, 0x09, 0x53, 0xC3, 0xF3, 0x6B,
627 	0xC4, 0x38, 0xCD, 0x08, 0x5E, 0xDD, 0x2D, 0x93,
628 	0x4C, 0xE1, 0x93, 0x8C, 0x35, 0x7A, 0x71, 0x1E,
629 	0x0D, 0x4A, 0x34, 0x1A, 0x5B, 0x0A, 0x85, 0xED,
630 	0x12, 0xC1, 0xF4, 0xE5, 0x15, 0x6A, 0x26, 0x74,
631 	0x6D, 0xDD, 0xE1, 0x6D, 0x82, 0x6F, 0x47, 0x7C,
632 	0x97, 0x47, 0x7E, 0x0A, 0x0F, 0xDF, 0x65, 0x53,
633 	0x14, 0x3E, 0x2C, 0xA3, 0xA7, 0x35, 0xE0, 0x2E,
634 	0xCC, 0xD9, 0x4B, 0x27, 0xD0, 0x48, 0x61, 0xD1,
635 	0x11, 0x9D, 0xD0, 0xC3, 0x28, 0xAD, 0xF3, 0xF6,
636 	0x8F, 0xB0, 0x94, 0xB8, 0x67, 0x71, 0x6B, 0xD7,
637 	0xDC, 0x0D, 0xEE, 0xBB, 0x10, 0xB8, 0x24, 0x0E,
638 	0x68, 0x03, 0x48, 0x93, 0xEA, 0xD8, 0x2D, 0x54,
639 	0xC9, 0xDA, 0x75, 0x4C, 0x46, 0xC7, 0xEE, 0xE0,
640 	0xC3, 0x7F, 0xDB, 0xEE, 0x48, 0x53, 0x60, 0x47,
641 	0xA6, 0xFA, 0x1A, 0xE4, 0x9A, 0x01, 0x42, 0x49,
642 	0x1B, 0x61, 0xFD, 0x5A, 0x69, 0x3E, 0x38, 0x13,
643 	0x60, 0xEA, 0x6E, 0x59, 0x30, 0x13, 0x23, 0x6F,
644 	0x64, 0xBA, 0x8F, 0x3B, 0x1E, 0xDD, 0x1B, 0xDE,
645 	0xFC, 0x7F, 0xCA, 0x03, 0x56, 0xCF, 0x29, 0x87,
646 	0x72, 0xED, 0x9C, 0x17, 0xA0, 0x98, 0x00, 0xD7,
647 	0x58, 0x35, 0x29, 0xF6, 0xC8, 0x13, 0xEC, 0x18,
648 	0x8B, 0xCB, 0x93, 0xD8, 0x43, 0x2D, 0x44, 0x8C,
649 	0x6D, 0x1F, 0x6D, 0xF5, 0xE7, 0xCD, 0x8A, 0x76,
650 	0xA2, 0x67, 0x36, 0x5D, 0x67, 0x6A, 0x5D, 0x8D,
651 	0xED, 0xBF, 0x8A, 0x23, 0xF3, 0x66, 0x12, 0xA5,
652 	0x99, 0x90, 0x28, 0xA8, 0x95, 0xEB, 0xD7, 0xA1,
653 	0x37, 0xDC, 0x7A, 0x00, 0x9B, 0xC6, 0x69, 0x5F,
654 	0xAC, 0xC1, 0xE5, 0x00, 0xE3, 0x25, 0xC9, 0x76,
655 	0x78, 0x19, 0x75, 0x0A, 0xE8, 0xB9, 0x0E, 0x81,
656 	0xFA, 0x41, 0x6B, 0xE7, 0x37, 0x3A, 0x7F, 0x7B,
657 	0x6A, 0xAF, 0x38, 0x17, 0xA3, 0x4C, 0x06, 0x41,
658 	0x5A, 0xD4, 0x20, 0x18, 0xC8, 0x05, 0x8E, 0x4F,
659 	0x2C, 0xF3, 0xE4, 0xBF, 0xDF, 0x63, 0xF4, 0x79,
660 	0x91, 0xD4, 0xBD, 0x3F, 0x1B, 0x66, 0x44, 0x5F,
661 	0x07, 0x8E, 0xA2, 0xDB, 0xFF, 0xAC, 0x2D, 0x62,
662 	0xA5, 0xEA, 0x03, 0xD9, 0x15, 0xA0, 0xAA, 0x55,
663 	0x66, 0x47, 0xB6, 0xBF, 0x5F, 0xA4, 0x70, 0xEC,
664 	0x0A, 0x66, 0x2F, 0x69, 0x07, 0xC0, 0x1B, 0xF0,
665 	0x53, 0xCB, 0x8A, 0xF7, 0x79, 0x4D, 0xF1, 0x94,
666 	0x03, 0x50, 0xEA, 0xC5, 0xDB, 0xE2, 0xED, 0x3B,
667 	0x7A, 0xA8, 0x55, 0x1E, 0xC5, 0x0F, 0xDF, 0xF8,
668 	0x75, 0x8C, 0xE6, 0x58, 0xD1, 0x89, 0xEA, 0xAE,
669 	0x6D, 0x2B, 0x64, 0xF6, 0x17, 0x79, 0x4B, 0x19,
670 	0x1C, 0x3F, 0xF4, 0x6B, 0xB7, 0x1E, 0x02, 0x34,
671 	0x02, 0x1F, 0x47, 0xB3, 0x1F, 0xA4, 0x30, 0x77,
672 	0x09, 0x5F, 0x96, 0xAD, 0x85, 0xBA, 0x3A, 0x6B,
673 	0x73, 0x4A, 0x7C, 0x8F, 0x36, 0xE6, 0x20, 0x12,
674 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
675 };
676 
677 /* RFC 3526, 7. Group 18 - 8192 Bit MODP
678  * Generator: 2
679  * Prime: 2^8192 - 2^8128 - 1 + 2^64 * { [2^8062 pi] + 4743158 }
680  */
681 static const u8 dh_group18_generator[1] = { 0x02 };
682 static const u8 dh_group18_prime[1024] = {
683 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
684 	0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34,
685 	0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
686 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74,
687 	0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22,
688 	0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
689 	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B,
690 	0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37,
691 	0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
692 	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6,
693 	0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B,
694 	0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
695 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5,
696 	0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6,
697 	0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
698 	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05,
699 	0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A,
700 	0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
701 	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96,
702 	0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB,
703 	0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
704 	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04,
705 	0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C,
706 	0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
707 	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03,
708 	0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F,
709 	0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
710 	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18,
711 	0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5,
712 	0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
713 	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D,
714 	0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33,
715 	0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
716 	0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A,
717 	0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D,
718 	0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
719 	0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7,
720 	0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D,
721 	0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
722 	0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64,
723 	0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64,
724 	0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
725 	0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C,
726 	0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2,
727 	0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
728 	0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E,
729 	0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x21, 0x08, 0x01,
730 	0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7,
731 	0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26,
732 	0x99, 0xC3, 0x27, 0x18, 0x6A, 0xF4, 0xE2, 0x3C,
733 	0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA,
734 	0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8,
735 	0xDB, 0xBB, 0xC2, 0xDB, 0x04, 0xDE, 0x8E, 0xF9,
736 	0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6,
737 	0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D,
738 	0x99, 0xB2, 0x96, 0x4F, 0xA0, 0x90, 0xC3, 0xA2,
739 	0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED,
740 	0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF,
741 	0xB8, 0x1B, 0xDD, 0x76, 0x21, 0x70, 0x48, 0x1C,
742 	0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9,
743 	0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1,
744 	0x86, 0xFF, 0xB7, 0xDC, 0x90, 0xA6, 0xC0, 0x8F,
745 	0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x02, 0x84, 0x92,
746 	0x36, 0xC3, 0xFA, 0xB4, 0xD2, 0x7C, 0x70, 0x26,
747 	0xC1, 0xD4, 0xDC, 0xB2, 0x60, 0x26, 0x46, 0xDE,
748 	0xC9, 0x75, 0x1E, 0x76, 0x3D, 0xBA, 0x37, 0xBD,
749 	0xF8, 0xFF, 0x94, 0x06, 0xAD, 0x9E, 0x53, 0x0E,
750 	0xE5, 0xDB, 0x38, 0x2F, 0x41, 0x30, 0x01, 0xAE,
751 	0xB0, 0x6A, 0x53, 0xED, 0x90, 0x27, 0xD8, 0x31,
752 	0x17, 0x97, 0x27, 0xB0, 0x86, 0x5A, 0x89, 0x18,
753 	0xDA, 0x3E, 0xDB, 0xEB, 0xCF, 0x9B, 0x14, 0xED,
754 	0x44, 0xCE, 0x6C, 0xBA, 0xCE, 0xD4, 0xBB, 0x1B,
755 	0xDB, 0x7F, 0x14, 0x47, 0xE6, 0xCC, 0x25, 0x4B,
756 	0x33, 0x20, 0x51, 0x51, 0x2B, 0xD7, 0xAF, 0x42,
757 	0x6F, 0xB8, 0xF4, 0x01, 0x37, 0x8C, 0xD2, 0xBF,
758 	0x59, 0x83, 0xCA, 0x01, 0xC6, 0x4B, 0x92, 0xEC,
759 	0xF0, 0x32, 0xEA, 0x15, 0xD1, 0x72, 0x1D, 0x03,
760 	0xF4, 0x82, 0xD7, 0xCE, 0x6E, 0x74, 0xFE, 0xF6,
761 	0xD5, 0x5E, 0x70, 0x2F, 0x46, 0x98, 0x0C, 0x82,
762 	0xB5, 0xA8, 0x40, 0x31, 0x90, 0x0B, 0x1C, 0x9E,
763 	0x59, 0xE7, 0xC9, 0x7F, 0xBE, 0xC7, 0xE8, 0xF3,
764 	0x23, 0xA9, 0x7A, 0x7E, 0x36, 0xCC, 0x88, 0xBE,
765 	0x0F, 0x1D, 0x45, 0xB7, 0xFF, 0x58, 0x5A, 0xC5,
766 	0x4B, 0xD4, 0x07, 0xB2, 0x2B, 0x41, 0x54, 0xAA,
767 	0xCC, 0x8F, 0x6D, 0x7E, 0xBF, 0x48, 0xE1, 0xD8,
768 	0x14, 0xCC, 0x5E, 0xD2, 0x0F, 0x80, 0x37, 0xE0,
769 	0xA7, 0x97, 0x15, 0xEE, 0xF2, 0x9B, 0xE3, 0x28,
770 	0x06, 0xA1, 0xD5, 0x8B, 0xB7, 0xC5, 0xDA, 0x76,
771 	0xF5, 0x50, 0xAA, 0x3D, 0x8A, 0x1F, 0xBF, 0xF0,
772 	0xEB, 0x19, 0xCC, 0xB1, 0xA3, 0x13, 0xD5, 0x5C,
773 	0xDA, 0x56, 0xC9, 0xEC, 0x2E, 0xF2, 0x96, 0x32,
774 	0x38, 0x7F, 0xE8, 0xD7, 0x6E, 0x3C, 0x04, 0x68,
775 	0x04, 0x3E, 0x8F, 0x66, 0x3F, 0x48, 0x60, 0xEE,
776 	0x12, 0xBF, 0x2D, 0x5B, 0x0B, 0x74, 0x74, 0xD6,
777 	0xE6, 0x94, 0xF9, 0x1E, 0x6D, 0xBE, 0x11, 0x59,
778 	0x74, 0xA3, 0x92, 0x6F, 0x12, 0xFE, 0xE5, 0xE4,
779 	0x38, 0x77, 0x7C, 0xB6, 0xA9, 0x32, 0xDF, 0x8C,
780 	0xD8, 0xBE, 0xC4, 0xD0, 0x73, 0xB9, 0x31, 0xBA,
781 	0x3B, 0xC8, 0x32, 0xB6, 0x8D, 0x9D, 0xD3, 0x00,
782 	0x74, 0x1F, 0xA7, 0xBF, 0x8A, 0xFC, 0x47, 0xED,
783 	0x25, 0x76, 0xF6, 0x93, 0x6B, 0xA4, 0x24, 0x66,
784 	0x3A, 0xAB, 0x63, 0x9C, 0x5A, 0xE4, 0xF5, 0x68,
785 	0x34, 0x23, 0xB4, 0x74, 0x2B, 0xF1, 0xC9, 0x78,
786 	0x23, 0x8F, 0x16, 0xCB, 0xE3, 0x9D, 0x65, 0x2D,
787 	0xE3, 0xFD, 0xB8, 0xBE, 0xFC, 0x84, 0x8A, 0xD9,
788 	0x22, 0x22, 0x2E, 0x04, 0xA4, 0x03, 0x7C, 0x07,
789 	0x13, 0xEB, 0x57, 0xA8, 0x1A, 0x23, 0xF0, 0xC7,
790 	0x34, 0x73, 0xFC, 0x64, 0x6C, 0xEA, 0x30, 0x6B,
791 	0x4B, 0xCB, 0xC8, 0x86, 0x2F, 0x83, 0x85, 0xDD,
792 	0xFA, 0x9D, 0x4B, 0x7F, 0xA2, 0xC0, 0x87, 0xE8,
793 	0x79, 0x68, 0x33, 0x03, 0xED, 0x5B, 0xDD, 0x3A,
794 	0x06, 0x2B, 0x3C, 0xF5, 0xB3, 0xA2, 0x78, 0xA6,
795 	0x6D, 0x2A, 0x13, 0xF8, 0x3F, 0x44, 0xF8, 0x2D,
796 	0xDF, 0x31, 0x0E, 0xE0, 0x74, 0xAB, 0x6A, 0x36,
797 	0x45, 0x97, 0xE8, 0x99, 0xA0, 0x25, 0x5D, 0xC1,
798 	0x64, 0xF3, 0x1C, 0xC5, 0x08, 0x46, 0x85, 0x1D,
799 	0xF9, 0xAB, 0x48, 0x19, 0x5D, 0xED, 0x7E, 0xA1,
800 	0xB1, 0xD5, 0x10, 0xBD, 0x7E, 0xE7, 0x4D, 0x73,
801 	0xFA, 0xF3, 0x6B, 0xC3, 0x1E, 0xCF, 0xA2, 0x68,
802 	0x35, 0x90, 0x46, 0xF4, 0xEB, 0x87, 0x9F, 0x92,
803 	0x40, 0x09, 0x43, 0x8B, 0x48, 0x1C, 0x6C, 0xD7,
804 	0x88, 0x9A, 0x00, 0x2E, 0xD5, 0xEE, 0x38, 0x2B,
805 	0xC9, 0x19, 0x0D, 0xA6, 0xFC, 0x02, 0x6E, 0x47,
806 	0x95, 0x58, 0xE4, 0x47, 0x56, 0x77, 0xE9, 0xAA,
807 	0x9E, 0x30, 0x50, 0xE2, 0x76, 0x56, 0x94, 0xDF,
808 	0xC8, 0x1F, 0x56, 0xE8, 0x80, 0xB9, 0x6E, 0x71,
809 	0x60, 0xC9, 0x80, 0xDD, 0x98, 0xED, 0xD3, 0xDF,
810 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
811 };
812 static const u8 dh_group18_order[1024] = {
813 	0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
814 	0xE4, 0x87, 0xED, 0x51, 0x10, 0xB4, 0x61, 0x1A,
815 	0x62, 0x63, 0x31, 0x45, 0xC0, 0x6E, 0x0E, 0x68,
816 	0x94, 0x81, 0x27, 0x04, 0x45, 0x33, 0xE6, 0x3A,
817 	0x01, 0x05, 0xDF, 0x53, 0x1D, 0x89, 0xCD, 0x91,
818 	0x28, 0xA5, 0x04, 0x3C, 0xC7, 0x1A, 0x02, 0x6E,
819 	0xF7, 0xCA, 0x8C, 0xD9, 0xE6, 0x9D, 0x21, 0x8D,
820 	0x98, 0x15, 0x85, 0x36, 0xF9, 0x2F, 0x8A, 0x1B,
821 	0xA7, 0xF0, 0x9A, 0xB6, 0xB6, 0xA8, 0xE1, 0x22,
822 	0xF2, 0x42, 0xDA, 0xBB, 0x31, 0x2F, 0x3F, 0x63,
823 	0x7A, 0x26, 0x21, 0x74, 0xD3, 0x1B, 0xF6, 0xB5,
824 	0x85, 0xFF, 0xAE, 0x5B, 0x7A, 0x03, 0x5B, 0xF6,
825 	0xF7, 0x1C, 0x35, 0xFD, 0xAD, 0x44, 0xCF, 0xD2,
826 	0xD7, 0x4F, 0x92, 0x08, 0xBE, 0x25, 0x8F, 0xF3,
827 	0x24, 0x94, 0x33, 0x28, 0xF6, 0x72, 0x2D, 0x9E,
828 	0xE1, 0x00, 0x3E, 0x5C, 0x50, 0xB1, 0xDF, 0x82,
829 	0xCC, 0x6D, 0x24, 0x1B, 0x0E, 0x2A, 0xE9, 0xCD,
830 	0x34, 0x8B, 0x1F, 0xD4, 0x7E, 0x92, 0x67, 0xAF,
831 	0xC1, 0xB2, 0xAE, 0x91, 0xEE, 0x51, 0xD6, 0xCB,
832 	0x0E, 0x31, 0x79, 0xAB, 0x10, 0x42, 0xA9, 0x5D,
833 	0xCF, 0x6A, 0x94, 0x83, 0xB8, 0x4B, 0x4B, 0x36,
834 	0xB3, 0x86, 0x1A, 0xA7, 0x25, 0x5E, 0x4C, 0x02,
835 	0x78, 0xBA, 0x36, 0x04, 0x65, 0x0C, 0x10, 0xBE,
836 	0x19, 0x48, 0x2F, 0x23, 0x17, 0x1B, 0x67, 0x1D,
837 	0xF1, 0xCF, 0x3B, 0x96, 0x0C, 0x07, 0x43, 0x01,
838 	0xCD, 0x93, 0xC1, 0xD1, 0x76, 0x03, 0xD1, 0x47,
839 	0xDA, 0xE2, 0xAE, 0xF8, 0x37, 0xA6, 0x29, 0x64,
840 	0xEF, 0x15, 0xE5, 0xFB, 0x4A, 0xAC, 0x0B, 0x8C,
841 	0x1C, 0xCA, 0xA4, 0xBE, 0x75, 0x4A, 0xB5, 0x72,
842 	0x8A, 0xE9, 0x13, 0x0C, 0x4C, 0x7D, 0x02, 0x88,
843 	0x0A, 0xB9, 0x47, 0x2D, 0x45, 0x55, 0x62, 0x16,
844 	0xD6, 0x99, 0x8B, 0x86, 0x82, 0x28, 0x3D, 0x19,
845 	0xD4, 0x2A, 0x90, 0xD5, 0xEF, 0x8E, 0x5D, 0x32,
846 	0x76, 0x7D, 0xC2, 0x82, 0x2C, 0x6D, 0xF7, 0x85,
847 	0x45, 0x75, 0x38, 0xAB, 0xAE, 0x83, 0x06, 0x3E,
848 	0xD9, 0xCB, 0x87, 0xC2, 0xD3, 0x70, 0xF2, 0x63,
849 	0xD5, 0xFA, 0xD7, 0x46, 0x6D, 0x84, 0x99, 0xEB,
850 	0x8F, 0x46, 0x4A, 0x70, 0x25, 0x12, 0xB0, 0xCE,
851 	0xE7, 0x71, 0xE9, 0x13, 0x0D, 0x69, 0x77, 0x35,
852 	0xF8, 0x97, 0xFD, 0x03, 0x6C, 0xC5, 0x04, 0x32,
853 	0x6C, 0x3B, 0x01, 0x39, 0x9F, 0x64, 0x35, 0x32,
854 	0x29, 0x0F, 0x95, 0x8C, 0x0B, 0xBD, 0x90, 0x06,
855 	0x5D, 0xF0, 0x8B, 0xAB, 0xBD, 0x30, 0xAE, 0xB6,
856 	0x3B, 0x84, 0xC4, 0x60, 0x5D, 0x6C, 0xA3, 0x71,
857 	0x04, 0x71, 0x27, 0xD0, 0x3A, 0x72, 0xD5, 0x98,
858 	0xA1, 0xED, 0xAD, 0xFE, 0x70, 0x7E, 0x88, 0x47,
859 	0x25, 0xC1, 0x68, 0x90, 0x54, 0x90, 0x84, 0x00,
860 	0x8D, 0x39, 0x1E, 0x09, 0x53, 0xC3, 0xF3, 0x6B,
861 	0xC4, 0x38, 0xCD, 0x08, 0x5E, 0xDD, 0x2D, 0x93,
862 	0x4C, 0xE1, 0x93, 0x8C, 0x35, 0x7A, 0x71, 0x1E,
863 	0x0D, 0x4A, 0x34, 0x1A, 0x5B, 0x0A, 0x85, 0xED,
864 	0x12, 0xC1, 0xF4, 0xE5, 0x15, 0x6A, 0x26, 0x74,
865 	0x6D, 0xDD, 0xE1, 0x6D, 0x82, 0x6F, 0x47, 0x7C,
866 	0x97, 0x47, 0x7E, 0x0A, 0x0F, 0xDF, 0x65, 0x53,
867 	0x14, 0x3E, 0x2C, 0xA3, 0xA7, 0x35, 0xE0, 0x2E,
868 	0xCC, 0xD9, 0x4B, 0x27, 0xD0, 0x48, 0x61, 0xD1,
869 	0x11, 0x9D, 0xD0, 0xC3, 0x28, 0xAD, 0xF3, 0xF6,
870 	0x8F, 0xB0, 0x94, 0xB8, 0x67, 0x71, 0x6B, 0xD7,
871 	0xDC, 0x0D, 0xEE, 0xBB, 0x10, 0xB8, 0x24, 0x0E,
872 	0x68, 0x03, 0x48, 0x93, 0xEA, 0xD8, 0x2D, 0x54,
873 	0xC9, 0xDA, 0x75, 0x4C, 0x46, 0xC7, 0xEE, 0xE0,
874 	0xC3, 0x7F, 0xDB, 0xEE, 0x48, 0x53, 0x60, 0x47,
875 	0xA6, 0xFA, 0x1A, 0xE4, 0x9A, 0x01, 0x42, 0x49,
876 	0x1B, 0x61, 0xFD, 0x5A, 0x69, 0x3E, 0x38, 0x13,
877 	0x60, 0xEA, 0x6E, 0x59, 0x30, 0x13, 0x23, 0x6F,
878 	0x64, 0xBA, 0x8F, 0x3B, 0x1E, 0xDD, 0x1B, 0xDE,
879 	0xFC, 0x7F, 0xCA, 0x03, 0x56, 0xCF, 0x29, 0x87,
880 	0x72, 0xED, 0x9C, 0x17, 0xA0, 0x98, 0x00, 0xD7,
881 	0x58, 0x35, 0x29, 0xF6, 0xC8, 0x13, 0xEC, 0x18,
882 	0x8B, 0xCB, 0x93, 0xD8, 0x43, 0x2D, 0x44, 0x8C,
883 	0x6D, 0x1F, 0x6D, 0xF5, 0xE7, 0xCD, 0x8A, 0x76,
884 	0xA2, 0x67, 0x36, 0x5D, 0x67, 0x6A, 0x5D, 0x8D,
885 	0xED, 0xBF, 0x8A, 0x23, 0xF3, 0x66, 0x12, 0xA5,
886 	0x99, 0x90, 0x28, 0xA8, 0x95, 0xEB, 0xD7, 0xA1,
887 	0x37, 0xDC, 0x7A, 0x00, 0x9B, 0xC6, 0x69, 0x5F,
888 	0xAC, 0xC1, 0xE5, 0x00, 0xE3, 0x25, 0xC9, 0x76,
889 	0x78, 0x19, 0x75, 0x0A, 0xE8, 0xB9, 0x0E, 0x81,
890 	0xFA, 0x41, 0x6B, 0xE7, 0x37, 0x3A, 0x7F, 0x7B,
891 	0x6A, 0xAF, 0x38, 0x17, 0xA3, 0x4C, 0x06, 0x41,
892 	0x5A, 0xD4, 0x20, 0x18, 0xC8, 0x05, 0x8E, 0x4F,
893 	0x2C, 0xF3, 0xE4, 0xBF, 0xDF, 0x63, 0xF4, 0x79,
894 	0x91, 0xD4, 0xBD, 0x3F, 0x1B, 0x66, 0x44, 0x5F,
895 	0x07, 0x8E, 0xA2, 0xDB, 0xFF, 0xAC, 0x2D, 0x62,
896 	0xA5, 0xEA, 0x03, 0xD9, 0x15, 0xA0, 0xAA, 0x55,
897 	0x66, 0x47, 0xB6, 0xBF, 0x5F, 0xA4, 0x70, 0xEC,
898 	0x0A, 0x66, 0x2F, 0x69, 0x07, 0xC0, 0x1B, 0xF0,
899 	0x53, 0xCB, 0x8A, 0xF7, 0x79, 0x4D, 0xF1, 0x94,
900 	0x03, 0x50, 0xEA, 0xC5, 0xDB, 0xE2, 0xED, 0x3B,
901 	0x7A, 0xA8, 0x55, 0x1E, 0xC5, 0x0F, 0xDF, 0xF8,
902 	0x75, 0x8C, 0xE6, 0x58, 0xD1, 0x89, 0xEA, 0xAE,
903 	0x6D, 0x2B, 0x64, 0xF6, 0x17, 0x79, 0x4B, 0x19,
904 	0x1C, 0x3F, 0xF4, 0x6B, 0xB7, 0x1E, 0x02, 0x34,
905 	0x02, 0x1F, 0x47, 0xB3, 0x1F, 0xA4, 0x30, 0x77,
906 	0x09, 0x5F, 0x96, 0xAD, 0x85, 0xBA, 0x3A, 0x6B,
907 	0x73, 0x4A, 0x7C, 0x8F, 0x36, 0xDF, 0x08, 0xAC,
908 	0xBA, 0x51, 0xC9, 0x37, 0x89, 0x7F, 0x72, 0xF2,
909 	0x1C, 0x3B, 0xBE, 0x5B, 0x54, 0x99, 0x6F, 0xC6,
910 	0x6C, 0x5F, 0x62, 0x68, 0x39, 0xDC, 0x98, 0xDD,
911 	0x1D, 0xE4, 0x19, 0x5B, 0x46, 0xCE, 0xE9, 0x80,
912 	0x3A, 0x0F, 0xD3, 0xDF, 0xC5, 0x7E, 0x23, 0xF6,
913 	0x92, 0xBB, 0x7B, 0x49, 0xB5, 0xD2, 0x12, 0x33,
914 	0x1D, 0x55, 0xB1, 0xCE, 0x2D, 0x72, 0x7A, 0xB4,
915 	0x1A, 0x11, 0xDA, 0x3A, 0x15, 0xF8, 0xE4, 0xBC,
916 	0x11, 0xC7, 0x8B, 0x65, 0xF1, 0xCE, 0xB2, 0x96,
917 	0xF1, 0xFE, 0xDC, 0x5F, 0x7E, 0x42, 0x45, 0x6C,
918 	0x91, 0x11, 0x17, 0x02, 0x52, 0x01, 0xBE, 0x03,
919 	0x89, 0xF5, 0xAB, 0xD4, 0x0D, 0x11, 0xF8, 0x63,
920 	0x9A, 0x39, 0xFE, 0x32, 0x36, 0x75, 0x18, 0x35,
921 	0xA5, 0xE5, 0xE4, 0x43, 0x17, 0xC1, 0xC2, 0xEE,
922 	0xFD, 0x4E, 0xA5, 0xBF, 0xD1, 0x60, 0x43, 0xF4,
923 	0x3C, 0xB4, 0x19, 0x81, 0xF6, 0xAD, 0xEE, 0x9D,
924 	0x03, 0x15, 0x9E, 0x7A, 0xD9, 0xD1, 0x3C, 0x53,
925 	0x36, 0x95, 0x09, 0xFC, 0x1F, 0xA2, 0x7C, 0x16,
926 	0xEF, 0x98, 0x87, 0x70, 0x3A, 0x55, 0xB5, 0x1B,
927 	0x22, 0xCB, 0xF4, 0x4C, 0xD0, 0x12, 0xAE, 0xE0,
928 	0xB2, 0x79, 0x8E, 0x62, 0x84, 0x23, 0x42, 0x8E,
929 	0xFC, 0xD5, 0xA4, 0x0C, 0xAE, 0xF6, 0xBF, 0x50,
930 	0xD8, 0xEA, 0x88, 0x5E, 0xBF, 0x73, 0xA6, 0xB9,
931 	0xFD, 0x79, 0xB5, 0xE1, 0x8F, 0x67, 0xD1, 0x34,
932 	0x1A, 0xC8, 0x23, 0x7A, 0x75, 0xC3, 0xCF, 0xC9,
933 	0x20, 0x04, 0xA1, 0xC5, 0xA4, 0x0E, 0x36, 0x6B,
934 	0xC4, 0x4D, 0x00, 0x17, 0x6A, 0xF7, 0x1C, 0x15,
935 	0xE4, 0x8C, 0x86, 0xD3, 0x7E, 0x01, 0x37, 0x23,
936 	0xCA, 0xAC, 0x72, 0x23, 0xAB, 0x3B, 0xF4, 0xD5,
937 	0x4F, 0x18, 0x28, 0x71, 0x3B, 0x2B, 0x4A, 0x6F,
938 	0xE4, 0x0F, 0xAB, 0x74, 0x40, 0x5C, 0xB7, 0x38,
939 	0xB0, 0x64, 0xC0, 0x6E, 0xCC, 0x76, 0xE9, 0xEF,
940 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
941 };
942 
943 /*
944  * RFC 5114, 2.1.
945  * Group 22 - 1024-bit MODP Group with 160-bit Prime Order Subgroup
946  */
947 static const u8 dh_group22_generator[] = {
948 	0xA4, 0xD1, 0xCB, 0xD5, 0xC3, 0xFD, 0x34, 0x12,
949 	0x67, 0x65, 0xA4, 0x42, 0xEF, 0xB9, 0x99, 0x05,
950 	0xF8, 0x10, 0x4D, 0xD2, 0x58, 0xAC, 0x50, 0x7F,
951 	0xD6, 0x40, 0x6C, 0xFF, 0x14, 0x26, 0x6D, 0x31,
952 	0x26, 0x6F, 0xEA, 0x1E, 0x5C, 0x41, 0x56, 0x4B,
953 	0x77, 0x7E, 0x69, 0x0F, 0x55, 0x04, 0xF2, 0x13,
954 	0x16, 0x02, 0x17, 0xB4, 0xB0, 0x1B, 0x88, 0x6A,
955 	0x5E, 0x91, 0x54, 0x7F, 0x9E, 0x27, 0x49, 0xF4,
956 	0xD7, 0xFB, 0xD7, 0xD3, 0xB9, 0xA9, 0x2E, 0xE1,
957 	0x90, 0x9D, 0x0D, 0x22, 0x63, 0xF8, 0x0A, 0x76,
958 	0xA6, 0xA2, 0x4C, 0x08, 0x7A, 0x09, 0x1F, 0x53,
959 	0x1D, 0xBF, 0x0A, 0x01, 0x69, 0xB6, 0xA2, 0x8A,
960 	0xD6, 0x62, 0xA4, 0xD1, 0x8E, 0x73, 0xAF, 0xA3,
961 	0x2D, 0x77, 0x9D, 0x59, 0x18, 0xD0, 0x8B, 0xC8,
962 	0x85, 0x8F, 0x4D, 0xCE, 0xF9, 0x7C, 0x2A, 0x24,
963 	0x85, 0x5E, 0x6E, 0xEB, 0x22, 0xB3, 0xB2, 0xE5
964 };
965 static const u8 dh_group22_prime[] = {
966 	0xB1, 0x0B, 0x8F, 0x96, 0xA0, 0x80, 0xE0, 0x1D,
967 	0xDE, 0x92, 0xDE, 0x5E, 0xAE, 0x5D, 0x54, 0xEC,
968 	0x52, 0xC9, 0x9F, 0xBC, 0xFB, 0x06, 0xA3, 0xC6,
969 	0x9A, 0x6A, 0x9D, 0xCA, 0x52, 0xD2, 0x3B, 0x61,
970 	0x60, 0x73, 0xE2, 0x86, 0x75, 0xA2, 0x3D, 0x18,
971 	0x98, 0x38, 0xEF, 0x1E, 0x2E, 0xE6, 0x52, 0xC0,
972 	0x13, 0xEC, 0xB4, 0xAE, 0xA9, 0x06, 0x11, 0x23,
973 	0x24, 0x97, 0x5C, 0x3C, 0xD4, 0x9B, 0x83, 0xBF,
974 	0xAC, 0xCB, 0xDD, 0x7D, 0x90, 0xC4, 0xBD, 0x70,
975 	0x98, 0x48, 0x8E, 0x9C, 0x21, 0x9A, 0x73, 0x72,
976 	0x4E, 0xFF, 0xD6, 0xFA, 0xE5, 0x64, 0x47, 0x38,
977 	0xFA, 0xA3, 0x1A, 0x4F, 0xF5, 0x5B, 0xCC, 0xC0,
978 	0xA1, 0x51, 0xAF, 0x5F, 0x0D, 0xC8, 0xB4, 0xBD,
979 	0x45, 0xBF, 0x37, 0xDF, 0x36, 0x5C, 0x1A, 0x65,
980 	0xE6, 0x8C, 0xFD, 0xA7, 0x6D, 0x4D, 0xA7, 0x08,
981 	0xDF, 0x1F, 0xB2, 0xBC, 0x2E, 0x4A, 0x43, 0x71
982 };
983 static const u8 dh_group22_order[] = {
984 	0xF5, 0x18, 0xAA, 0x87, 0x81, 0xA8, 0xDF, 0x27,
985 	0x8A, 0xBA, 0x4E, 0x7D, 0x64, 0xB7, 0xCB, 0x9D,
986 	0x49, 0x46, 0x23, 0x53
987 };
988 
989 /*
990  * RFC 5114, 2.2.
991  * Group 23 - 2048-bit MODP Group with 224-bit Prime Order Subgroup
992  */
993 static const u8 dh_group23_generator[] = {
994 	0xAC, 0x40, 0x32, 0xEF, 0x4F, 0x2D, 0x9A, 0xE3,
995 	0x9D, 0xF3, 0x0B, 0x5C, 0x8F, 0xFD, 0xAC, 0x50,
996 	0x6C, 0xDE, 0xBE, 0x7B, 0x89, 0x99, 0x8C, 0xAF,
997 	0x74, 0x86, 0x6A, 0x08, 0xCF, 0xE4, 0xFF, 0xE3,
998 	0xA6, 0x82, 0x4A, 0x4E, 0x10, 0xB9, 0xA6, 0xF0,
999 	0xDD, 0x92, 0x1F, 0x01, 0xA7, 0x0C, 0x4A, 0xFA,
1000 	0xAB, 0x73, 0x9D, 0x77, 0x00, 0xC2, 0x9F, 0x52,
1001 	0xC5, 0x7D, 0xB1, 0x7C, 0x62, 0x0A, 0x86, 0x52,
1002 	0xBE, 0x5E, 0x90, 0x01, 0xA8, 0xD6, 0x6A, 0xD7,
1003 	0xC1, 0x76, 0x69, 0x10, 0x19, 0x99, 0x02, 0x4A,
1004 	0xF4, 0xD0, 0x27, 0x27, 0x5A, 0xC1, 0x34, 0x8B,
1005 	0xB8, 0xA7, 0x62, 0xD0, 0x52, 0x1B, 0xC9, 0x8A,
1006 	0xE2, 0x47, 0x15, 0x04, 0x22, 0xEA, 0x1E, 0xD4,
1007 	0x09, 0x93, 0x9D, 0x54, 0xDA, 0x74, 0x60, 0xCD,
1008 	0xB5, 0xF6, 0xC6, 0xB2, 0x50, 0x71, 0x7C, 0xBE,
1009 	0xF1, 0x80, 0xEB, 0x34, 0x11, 0x8E, 0x98, 0xD1,
1010 	0x19, 0x52, 0x9A, 0x45, 0xD6, 0xF8, 0x34, 0x56,
1011 	0x6E, 0x30, 0x25, 0xE3, 0x16, 0xA3, 0x30, 0xEF,
1012 	0xBB, 0x77, 0xA8, 0x6F, 0x0C, 0x1A, 0xB1, 0x5B,
1013 	0x05, 0x1A, 0xE3, 0xD4, 0x28, 0xC8, 0xF8, 0xAC,
1014 	0xB7, 0x0A, 0x81, 0x37, 0x15, 0x0B, 0x8E, 0xEB,
1015 	0x10, 0xE1, 0x83, 0xED, 0xD1, 0x99, 0x63, 0xDD,
1016 	0xD9, 0xE2, 0x63, 0xE4, 0x77, 0x05, 0x89, 0xEF,
1017 	0x6A, 0xA2, 0x1E, 0x7F, 0x5F, 0x2F, 0xF3, 0x81,
1018 	0xB5, 0x39, 0xCC, 0xE3, 0x40, 0x9D, 0x13, 0xCD,
1019 	0x56, 0x6A, 0xFB, 0xB4, 0x8D, 0x6C, 0x01, 0x91,
1020 	0x81, 0xE1, 0xBC, 0xFE, 0x94, 0xB3, 0x02, 0x69,
1021 	0xED, 0xFE, 0x72, 0xFE, 0x9B, 0x6A, 0xA4, 0xBD,
1022 	0x7B, 0x5A, 0x0F, 0x1C, 0x71, 0xCF, 0xFF, 0x4C,
1023 	0x19, 0xC4, 0x18, 0xE1, 0xF6, 0xEC, 0x01, 0x79,
1024 	0x81, 0xBC, 0x08, 0x7F, 0x2A, 0x70, 0x65, 0xB3,
1025 	0x84, 0xB8, 0x90, 0xD3, 0x19, 0x1F, 0x2B, 0xFA
1026 };
1027 static const u8 dh_group23_prime[] = {
1028 	0xAD, 0x10, 0x7E, 0x1E, 0x91, 0x23, 0xA9, 0xD0,
1029 	0xD6, 0x60, 0xFA, 0xA7, 0x95, 0x59, 0xC5, 0x1F,
1030 	0xA2, 0x0D, 0x64, 0xE5, 0x68, 0x3B, 0x9F, 0xD1,
1031 	0xB5, 0x4B, 0x15, 0x97, 0xB6, 0x1D, 0x0A, 0x75,
1032 	0xE6, 0xFA, 0x14, 0x1D, 0xF9, 0x5A, 0x56, 0xDB,
1033 	0xAF, 0x9A, 0x3C, 0x40, 0x7B, 0xA1, 0xDF, 0x15,
1034 	0xEB, 0x3D, 0x68, 0x8A, 0x30, 0x9C, 0x18, 0x0E,
1035 	0x1D, 0xE6, 0xB8, 0x5A, 0x12, 0x74, 0xA0, 0xA6,
1036 	0x6D, 0x3F, 0x81, 0x52, 0xAD, 0x6A, 0xC2, 0x12,
1037 	0x90, 0x37, 0xC9, 0xED, 0xEF, 0xDA, 0x4D, 0xF8,
1038 	0xD9, 0x1E, 0x8F, 0xEF, 0x55, 0xB7, 0x39, 0x4B,
1039 	0x7A, 0xD5, 0xB7, 0xD0, 0xB6, 0xC1, 0x22, 0x07,
1040 	0xC9, 0xF9, 0x8D, 0x11, 0xED, 0x34, 0xDB, 0xF6,
1041 	0xC6, 0xBA, 0x0B, 0x2C, 0x8B, 0xBC, 0x27, 0xBE,
1042 	0x6A, 0x00, 0xE0, 0xA0, 0xB9, 0xC4, 0x97, 0x08,
1043 	0xB3, 0xBF, 0x8A, 0x31, 0x70, 0x91, 0x88, 0x36,
1044 	0x81, 0x28, 0x61, 0x30, 0xBC, 0x89, 0x85, 0xDB,
1045 	0x16, 0x02, 0xE7, 0x14, 0x41, 0x5D, 0x93, 0x30,
1046 	0x27, 0x82, 0x73, 0xC7, 0xDE, 0x31, 0xEF, 0xDC,
1047 	0x73, 0x10, 0xF7, 0x12, 0x1F, 0xD5, 0xA0, 0x74,
1048 	0x15, 0x98, 0x7D, 0x9A, 0xDC, 0x0A, 0x48, 0x6D,
1049 	0xCD, 0xF9, 0x3A, 0xCC, 0x44, 0x32, 0x83, 0x87,
1050 	0x31, 0x5D, 0x75, 0xE1, 0x98, 0xC6, 0x41, 0xA4,
1051 	0x80, 0xCD, 0x86, 0xA1, 0xB9, 0xE5, 0x87, 0xE8,
1052 	0xBE, 0x60, 0xE6, 0x9C, 0xC9, 0x28, 0xB2, 0xB9,
1053 	0xC5, 0x21, 0x72, 0xE4, 0x13, 0x04, 0x2E, 0x9B,
1054 	0x23, 0xF1, 0x0B, 0x0E, 0x16, 0xE7, 0x97, 0x63,
1055 	0xC9, 0xB5, 0x3D, 0xCF, 0x4B, 0xA8, 0x0A, 0x29,
1056 	0xE3, 0xFB, 0x73, 0xC1, 0x6B, 0x8E, 0x75, 0xB9,
1057 	0x7E, 0xF3, 0x63, 0xE2, 0xFF, 0xA3, 0x1F, 0x71,
1058 	0xCF, 0x9D, 0xE5, 0x38, 0x4E, 0x71, 0xB8, 0x1C,
1059 	0x0A, 0xC4, 0xDF, 0xFE, 0x0C, 0x10, 0xE6, 0x4F
1060 };
1061 static const u8 dh_group23_order[] = {
1062 	0x80, 0x1C, 0x0D, 0x34, 0xC5, 0x8D, 0x93, 0xFE,
1063 	0x99, 0x71, 0x77, 0x10, 0x1F, 0x80, 0x53, 0x5A,
1064 	0x47, 0x38, 0xCE, 0xBC, 0xBF, 0x38, 0x9A, 0x99,
1065 	0xB3, 0x63, 0x71, 0xEB
1066 };
1067 
1068 /*
1069  * RFC 5114, 2.3.
1070  * Group 24 - 2048-bit MODP Group with 256-bit Prime Order Subgroup
1071  */
1072 static const u8 dh_group24_generator[] = {
1073 	0x3F, 0xB3, 0x2C, 0x9B, 0x73, 0x13, 0x4D, 0x0B,
1074 	0x2E, 0x77, 0x50, 0x66, 0x60, 0xED, 0xBD, 0x48,
1075 	0x4C, 0xA7, 0xB1, 0x8F, 0x21, 0xEF, 0x20, 0x54,
1076 	0x07, 0xF4, 0x79, 0x3A, 0x1A, 0x0B, 0xA1, 0x25,
1077 	0x10, 0xDB, 0xC1, 0x50, 0x77, 0xBE, 0x46, 0x3F,
1078 	0xFF, 0x4F, 0xED, 0x4A, 0xAC, 0x0B, 0xB5, 0x55,
1079 	0xBE, 0x3A, 0x6C, 0x1B, 0x0C, 0x6B, 0x47, 0xB1,
1080 	0xBC, 0x37, 0x73, 0xBF, 0x7E, 0x8C, 0x6F, 0x62,
1081 	0x90, 0x12, 0x28, 0xF8, 0xC2, 0x8C, 0xBB, 0x18,
1082 	0xA5, 0x5A, 0xE3, 0x13, 0x41, 0x00, 0x0A, 0x65,
1083 	0x01, 0x96, 0xF9, 0x31, 0xC7, 0x7A, 0x57, 0xF2,
1084 	0xDD, 0xF4, 0x63, 0xE5, 0xE9, 0xEC, 0x14, 0x4B,
1085 	0x77, 0x7D, 0xE6, 0x2A, 0xAA, 0xB8, 0xA8, 0x62,
1086 	0x8A, 0xC3, 0x76, 0xD2, 0x82, 0xD6, 0xED, 0x38,
1087 	0x64, 0xE6, 0x79, 0x82, 0x42, 0x8E, 0xBC, 0x83,
1088 	0x1D, 0x14, 0x34, 0x8F, 0x6F, 0x2F, 0x91, 0x93,
1089 	0xB5, 0x04, 0x5A, 0xF2, 0x76, 0x71, 0x64, 0xE1,
1090 	0xDF, 0xC9, 0x67, 0xC1, 0xFB, 0x3F, 0x2E, 0x55,
1091 	0xA4, 0xBD, 0x1B, 0xFF, 0xE8, 0x3B, 0x9C, 0x80,
1092 	0xD0, 0x52, 0xB9, 0x85, 0xD1, 0x82, 0xEA, 0x0A,
1093 	0xDB, 0x2A, 0x3B, 0x73, 0x13, 0xD3, 0xFE, 0x14,
1094 	0xC8, 0x48, 0x4B, 0x1E, 0x05, 0x25, 0x88, 0xB9,
1095 	0xB7, 0xD2, 0xBB, 0xD2, 0xDF, 0x01, 0x61, 0x99,
1096 	0xEC, 0xD0, 0x6E, 0x15, 0x57, 0xCD, 0x09, 0x15,
1097 	0xB3, 0x35, 0x3B, 0xBB, 0x64, 0xE0, 0xEC, 0x37,
1098 	0x7F, 0xD0, 0x28, 0x37, 0x0D, 0xF9, 0x2B, 0x52,
1099 	0xC7, 0x89, 0x14, 0x28, 0xCD, 0xC6, 0x7E, 0xB6,
1100 	0x18, 0x4B, 0x52, 0x3D, 0x1D, 0xB2, 0x46, 0xC3,
1101 	0x2F, 0x63, 0x07, 0x84, 0x90, 0xF0, 0x0E, 0xF8,
1102 	0xD6, 0x47, 0xD1, 0x48, 0xD4, 0x79, 0x54, 0x51,
1103 	0x5E, 0x23, 0x27, 0xCF, 0xEF, 0x98, 0xC5, 0x82,
1104 	0x66, 0x4B, 0x4C, 0x0F, 0x6C, 0xC4, 0x16, 0x59
1105 };
1106 static const u8 dh_group24_prime[] = {
1107 	0x87, 0xA8, 0xE6, 0x1D, 0xB4, 0xB6, 0x66, 0x3C,
1108 	0xFF, 0xBB, 0xD1, 0x9C, 0x65, 0x19, 0x59, 0x99,
1109 	0x8C, 0xEE, 0xF6, 0x08, 0x66, 0x0D, 0xD0, 0xF2,
1110 	0x5D, 0x2C, 0xEE, 0xD4, 0x43, 0x5E, 0x3B, 0x00,
1111 	0xE0, 0x0D, 0xF8, 0xF1, 0xD6, 0x19, 0x57, 0xD4,
1112 	0xFA, 0xF7, 0xDF, 0x45, 0x61, 0xB2, 0xAA, 0x30,
1113 	0x16, 0xC3, 0xD9, 0x11, 0x34, 0x09, 0x6F, 0xAA,
1114 	0x3B, 0xF4, 0x29, 0x6D, 0x83, 0x0E, 0x9A, 0x7C,
1115 	0x20, 0x9E, 0x0C, 0x64, 0x97, 0x51, 0x7A, 0xBD,
1116 	0x5A, 0x8A, 0x9D, 0x30, 0x6B, 0xCF, 0x67, 0xED,
1117 	0x91, 0xF9, 0xE6, 0x72, 0x5B, 0x47, 0x58, 0xC0,
1118 	0x22, 0xE0, 0xB1, 0xEF, 0x42, 0x75, 0xBF, 0x7B,
1119 	0x6C, 0x5B, 0xFC, 0x11, 0xD4, 0x5F, 0x90, 0x88,
1120 	0xB9, 0x41, 0xF5, 0x4E, 0xB1, 0xE5, 0x9B, 0xB8,
1121 	0xBC, 0x39, 0xA0, 0xBF, 0x12, 0x30, 0x7F, 0x5C,
1122 	0x4F, 0xDB, 0x70, 0xC5, 0x81, 0xB2, 0x3F, 0x76,
1123 	0xB6, 0x3A, 0xCA, 0xE1, 0xCA, 0xA6, 0xB7, 0x90,
1124 	0x2D, 0x52, 0x52, 0x67, 0x35, 0x48, 0x8A, 0x0E,
1125 	0xF1, 0x3C, 0x6D, 0x9A, 0x51, 0xBF, 0xA4, 0xAB,
1126 	0x3A, 0xD8, 0x34, 0x77, 0x96, 0x52, 0x4D, 0x8E,
1127 	0xF6, 0xA1, 0x67, 0xB5, 0xA4, 0x18, 0x25, 0xD9,
1128 	0x67, 0xE1, 0x44, 0xE5, 0x14, 0x05, 0x64, 0x25,
1129 	0x1C, 0xCA, 0xCB, 0x83, 0xE6, 0xB4, 0x86, 0xF6,
1130 	0xB3, 0xCA, 0x3F, 0x79, 0x71, 0x50, 0x60, 0x26,
1131 	0xC0, 0xB8, 0x57, 0xF6, 0x89, 0x96, 0x28, 0x56,
1132 	0xDE, 0xD4, 0x01, 0x0A, 0xBD, 0x0B, 0xE6, 0x21,
1133 	0xC3, 0xA3, 0x96, 0x0A, 0x54, 0xE7, 0x10, 0xC3,
1134 	0x75, 0xF2, 0x63, 0x75, 0xD7, 0x01, 0x41, 0x03,
1135 	0xA4, 0xB5, 0x43, 0x30, 0xC1, 0x98, 0xAF, 0x12,
1136 	0x61, 0x16, 0xD2, 0x27, 0x6E, 0x11, 0x71, 0x5F,
1137 	0x69, 0x38, 0x77, 0xFA, 0xD7, 0xEF, 0x09, 0xCA,
1138 	0xDB, 0x09, 0x4A, 0xE9, 0x1E, 0x1A, 0x15, 0x97
1139 };
1140 static const u8 dh_group24_order[] = {
1141 	0x8C, 0xF8, 0x36, 0x42, 0xA7, 0x09, 0xA0, 0x97,
1142 	0xB4, 0x47, 0x99, 0x76, 0x40, 0x12, 0x9D, 0xA2,
1143 	0x99, 0xB1, 0xA4, 0x7D, 0x1E, 0xB3, 0x75, 0x0B,
1144 	0xA3, 0x08, 0xB0, 0xFE, 0x64, 0xF5, 0xFB, 0xD3
1145 };
1146 
1147 #endif /* ALL_DH_GROUPS */
1148 
1149 
1150 #define DH_GROUP(id,safe) \
1151 { id, dh_group ## id ## _generator, sizeof(dh_group ## id ## _generator), \
1152 dh_group ## id ## _prime, sizeof(dh_group ## id ## _prime), \
1153 dh_group ## id ## _order, sizeof(dh_group ## id ## _order), safe }
1154 
1155 
1156 static const struct dh_group dh_groups[] = {
1157 	DH_GROUP(5, 1),
1158 #ifdef ALL_DH_GROUPS
1159 	DH_GROUP(1, 1),
1160 	DH_GROUP(2, 1),
1161 	DH_GROUP(14, 1),
1162 	DH_GROUP(15, 1),
1163 	DH_GROUP(16, 1),
1164 	DH_GROUP(17, 1),
1165 	DH_GROUP(18, 1),
1166 	DH_GROUP(22, 0),
1167 	DH_GROUP(23, 0),
1168 	DH_GROUP(24, 0)
1169 #endif /* ALL_DH_GROUPS */
1170 };
1171 
1172 #define NUM_DH_GROUPS ARRAY_SIZE(dh_groups)
1173 
1174 
dh_groups_get(int id)1175 const struct dh_group * dh_groups_get(int id)
1176 {
1177 	size_t i;
1178 
1179 	for (i = 0; i < NUM_DH_GROUPS; i++) {
1180 		if (dh_groups[i].id == id)
1181 			return &dh_groups[i];
1182 	}
1183 	return NULL;
1184 }
1185 
1186 
1187 /**
1188  * dh_init - Initialize Diffie-Hellman handshake
1189  * @dh: Selected Diffie-Hellman group
1190  * @priv: Pointer for returning Diffie-Hellman private key
1191  * Returns: Diffie-Hellman public value
1192  */
dh_init(const struct dh_group * dh,struct wpabuf ** priv)1193 struct wpabuf * dh_init(const struct dh_group *dh, struct wpabuf **priv)
1194 {
1195 	struct wpabuf *pv;
1196 	size_t pv_len;
1197 
1198 	if (dh == NULL)
1199 		return NULL;
1200 
1201 	wpabuf_clear_free(*priv);
1202 	*priv = wpabuf_alloc(dh->prime_len);
1203 	if (*priv == NULL)
1204 		return NULL;
1205 
1206 	if (random_get_bytes(wpabuf_put(*priv, dh->prime_len), dh->prime_len))
1207 	{
1208 		wpabuf_clear_free(*priv);
1209 		*priv = NULL;
1210 		return NULL;
1211 	}
1212 
1213 	if (os_memcmp(wpabuf_head(*priv), dh->prime, dh->prime_len) > 0) {
1214 		/* Make sure private value is smaller than prime */
1215 		*(wpabuf_mhead_u8(*priv)) = 0;
1216 	}
1217 	wpa_hexdump_buf_key(MSG_DEBUG, "DH: private value", *priv);
1218 
1219 	pv_len = dh->prime_len;
1220 	pv = wpabuf_alloc(pv_len);
1221 	if (pv == NULL) {
1222 		wpabuf_clear_free(*priv);
1223 		*priv = NULL;
1224 		return NULL;
1225 	}
1226 	if (crypto_mod_exp(dh->generator, dh->generator_len,
1227 			   wpabuf_head(*priv), wpabuf_len(*priv),
1228 			   dh->prime, dh->prime_len, wpabuf_mhead(pv),
1229 			   &pv_len) < 0) {
1230 		wpabuf_clear_free(pv);
1231 		wpa_printf(MSG_INFO, "DH: crypto_mod_exp failed");
1232 		wpabuf_clear_free(*priv);
1233 		*priv = NULL;
1234 		return NULL;
1235 	}
1236 	wpabuf_put(pv, pv_len);
1237 	wpa_hexdump_buf(MSG_DEBUG, "DH: public value", pv);
1238 
1239 	return pv;
1240 }
1241 
1242 
1243 /**
1244  * dh_derive_shared - Derive shared Diffie-Hellman key
1245  * @peer_public: Diffie-Hellman public value from peer
1246  * @own_private: Diffie-Hellman private key from dh_init()
1247  * @dh: Selected Diffie-Hellman group
1248  * Returns: Diffie-Hellman shared key
1249  */
dh_derive_shared(const struct wpabuf * peer_public,const struct wpabuf * own_private,const struct dh_group * dh)1250 struct wpabuf * dh_derive_shared(const struct wpabuf *peer_public,
1251 				 const struct wpabuf *own_private,
1252 				 const struct dh_group *dh)
1253 {
1254 	struct wpabuf *shared;
1255 	size_t shared_len;
1256 
1257 	if (dh == NULL || peer_public == NULL || own_private == NULL)
1258 		return NULL;
1259 
1260 	shared_len = dh->prime_len;
1261 	shared = wpabuf_alloc(shared_len);
1262 	if (shared == NULL)
1263 		return NULL;
1264 	if (crypto_mod_exp(wpabuf_head(peer_public), wpabuf_len(peer_public),
1265 			   wpabuf_head(own_private), wpabuf_len(own_private),
1266 			   dh->prime, dh->prime_len,
1267 			   wpabuf_mhead(shared), &shared_len) < 0) {
1268 		wpabuf_clear_free(shared);
1269 		wpa_printf(MSG_INFO, "DH: crypto_mod_exp failed");
1270 		return NULL;
1271 	}
1272 	wpabuf_put(shared, shared_len);
1273 	wpa_hexdump_buf_key(MSG_DEBUG, "DH: shared key", shared);
1274 
1275 	return shared;
1276 }
1277