1 /* $OpenBSD: testdsa.h,v 1.5 2022/01/10 19:22:26 tb Exp $ */
2 
3 DSA *get_dsa512(void);
4 DSA *get_dsa1024(void);
5 DSA *get_dsa2048(void);
6 
7 DSA *get_dsa(const unsigned char *priv, size_t priv_size,
8     const unsigned char *pub, size_t pub_size,
9     const unsigned char *p, size_t p_size,
10     const unsigned char *q, size_t q_size,
11     const unsigned char *g, size_t g_size);
12 
13 static const unsigned char dsa512_priv[] = {
14 	0x65, 0xe5, 0xc7, 0x38, 0x60, 0x24, 0xb5, 0x89, 0xd4, 0x9c, 0xeb, 0x4c,
15 	0x9c, 0x1d, 0x7a, 0x22, 0xbd, 0xd1, 0xc2, 0xd2,
16 };
17 
18 static const unsigned char dsa512_pub[] = {
19 	0x00, 0x95, 0xa7, 0x0d, 0xec, 0x93, 0x68, 0xba, 0x5f, 0xf7, 0x5f, 0x07,
20 	0xf2, 0x3b, 0xad, 0x6b, 0x01, 0xdc, 0xbe, 0xec, 0xde, 0x04, 0x7a, 0x3a,
21 	0x27, 0xb3, 0xec, 0x49, 0xfd, 0x08, 0x43, 0x3d, 0x7e, 0xa8, 0x2c, 0x5e,
22 	0x7b, 0xbb, 0xfc, 0xf4, 0x6e, 0xeb, 0x6c, 0xb0, 0x6e, 0xf8, 0x02, 0x12,
23 	0x8c, 0x38, 0x5d, 0x83, 0x56, 0x7d, 0xee, 0x53, 0x05, 0x3e, 0x24, 0x84,
24 	0xbe, 0xba, 0x0a, 0x6b, 0xc8,
25 };
26 
27 static const unsigned char dsa512_p[] = {
28 	0x9D, 0x1B, 0x69, 0x8E, 0x26, 0xDB, 0xF2, 0x2B, 0x11, 0x70, 0x19, 0x86,
29 	0xF6, 0x19, 0xC8, 0xF8, 0x19, 0xF2, 0x18, 0x53, 0x94, 0x46, 0x06, 0xD0,
30 	0x62, 0x50, 0x33, 0x4B, 0x02, 0x3C, 0x52, 0x30, 0x03, 0x8B, 0x3B, 0xF9,
31 	0x5F, 0xD1, 0x24, 0x06, 0x4F, 0x7B, 0x4C, 0xBA, 0xAA, 0x40, 0x9B, 0xFD,
32 	0x96, 0xE4, 0x37, 0x33, 0xBB, 0x2D, 0x5A, 0xD7, 0x5A, 0x11, 0x40, 0x66,
33 	0xA2, 0x76, 0x7D, 0x31,
34 };
35 
36 static const unsigned char dsa512_q[] = {
37 	0xFB, 0x53, 0xEF, 0x50, 0xB4, 0x40, 0x92, 0x31, 0x56, 0x86, 0x53, 0x7A,
38 	0xE8, 0x8B, 0x22, 0x9A, 0x49, 0xFB, 0x71, 0x8F,
39 };
40 
41 static const unsigned char dsa512_g[] = {
42 	0x83, 0x3E, 0x88, 0xE5, 0xC5, 0x89, 0x73, 0xCE, 0x3B, 0x6C, 0x01, 0x49,
43 	0xBF, 0xB3, 0xC7, 0x9F, 0x0A, 0xEA, 0x44, 0x91, 0xE5, 0x30, 0xAA, 0xD9,
44 	0xBE, 0x5B, 0x5F, 0xB7, 0x10, 0xD7, 0x89, 0xB7, 0x8E, 0x74, 0xFB, 0xCF,
45 	0x29, 0x1E, 0xEB, 0xA8, 0x2C, 0x54, 0x51, 0xB8, 0x10, 0xDE, 0xA0, 0xCE,
46 	0x2F, 0xCC, 0x24, 0x6B, 0x90, 0x77, 0xDE, 0xA2, 0x68, 0xA6, 0x52, 0x12,
47 	0xA2, 0x03, 0x9D, 0x20,
48 };
49 
50 DSA *
51 get_dsa512(void)
52 {
53 	return get_dsa(dsa512_priv, sizeof(dsa512_priv),
54 	    dsa512_pub, sizeof(dsa512_pub), dsa512_p, sizeof(dsa512_p),
55 	    dsa512_q, sizeof(dsa512_q), dsa512_g, sizeof(dsa512_g));
56 }
57 
58 static const unsigned char dsa1024_priv[] = {
59 	0x7d, 0x21, 0xda, 0xbb, 0x62, 0x15, 0x47, 0x36, 0x07, 0x67, 0x12, 0xe8,
60 	0x8c, 0xaa, 0x1c, 0xcd, 0x38, 0x12, 0x61, 0x18,
61 };
62 
63 static const unsigned char dsa1024_pub[] = {
64 	0x3c, 0x4e, 0x9c, 0x2a, 0x7f, 0x16, 0xc1, 0x25, 0xeb, 0xac, 0x78, 0x63,
65 	0x90, 0x14, 0x8c, 0x8b, 0xf4, 0x68, 0x43, 0x3c, 0x2d, 0xee, 0x65, 0x50,
66 	0x7d, 0x9c, 0x8f, 0x8c, 0x8a, 0x51, 0xd6, 0x11, 0x2b, 0x99, 0xaf, 0x1e,
67 	0x90, 0x97, 0xb5, 0xd3, 0xa6, 0x20, 0x25, 0xd6, 0xfe, 0x43, 0x02, 0xd5,
68 	0x91, 0x7d, 0xa7, 0x8c, 0xdb, 0xc9, 0x85, 0xa3, 0x36, 0x48, 0xf7, 0x68,
69 	0xaa, 0x60, 0xb1, 0xf7, 0x05, 0x68, 0x3a, 0xa3, 0x3f, 0xd3, 0x19, 0x82,
70 	0xd8, 0x82, 0x7a, 0x77, 0xfb, 0xef, 0xf4, 0x15, 0x0a, 0xeb, 0x06, 0x04,
71 	0x7f, 0x53, 0x07, 0x0c, 0xbc, 0xcb, 0x2d, 0x83, 0xdb, 0x3e, 0xd1, 0x28,
72 	0xa5, 0xa1, 0x31, 0xe0, 0x67, 0xfa, 0x50, 0xde, 0x9b, 0x07, 0x83, 0x7e,
73 	0x2c, 0x0b, 0xc3, 0x13, 0x50, 0x61, 0xe5, 0xad, 0xbd, 0x36, 0xb8, 0x97,
74 	0x4e, 0x40, 0x7d, 0xe8, 0x83, 0x0d, 0xbc, 0x4b
75 };
76 
77 static const unsigned char dsa1024_p[] = {
78 	0xA7, 0x3F, 0x6E, 0x85, 0xBF, 0x41, 0x6A, 0x29, 0x7D, 0xF0, 0x9F, 0x47,
79 	0x19, 0x30, 0x90, 0x9A, 0x09, 0x1D, 0xDA, 0x6A, 0x33, 0x1E, 0xC5, 0x3D,
80 	0x86, 0x96, 0xB3, 0x15, 0xE0, 0x53, 0x2E, 0x8F, 0xE0, 0x59, 0x82, 0x73,
81 	0x90, 0x3E, 0x75, 0x31, 0x99, 0x47, 0x7A, 0x52, 0xFB, 0x85, 0xE4, 0xD9,
82 	0xA6, 0x7B, 0x38, 0x9B, 0x68, 0x8A, 0x84, 0x9B, 0x87, 0xC6, 0x1E, 0xB5,
83 	0x7E, 0x86, 0x4B, 0x53, 0x5B, 0x59, 0xCF, 0x71, 0x65, 0x19, 0x88, 0x6E,
84 	0xCE, 0x66, 0xAE, 0x6B, 0x88, 0x36, 0xFB, 0xEC, 0x28, 0xDC, 0xC2, 0xD7,
85 	0xA5, 0xBB, 0xE5, 0x2C, 0x39, 0x26, 0x4B, 0xDA, 0x9A, 0x70, 0x18, 0x95,
86 	0x37, 0x95, 0x10, 0x56, 0x23, 0xF6, 0x15, 0xED, 0xBA, 0x04, 0x5E, 0xDE,
87 	0x39, 0x4F, 0xFD, 0xB7, 0x43, 0x1F, 0xB5, 0xA4, 0x65, 0x6F, 0xCD, 0x80,
88 	0x11, 0xE4, 0x70, 0x95, 0x5B, 0x50, 0xCD, 0x49,
89 };
90 
91 static const unsigned char dsa1024_q[] = {
92 	0xF7, 0x07, 0x31, 0xED, 0xFA, 0x6C, 0x06, 0x03, 0xD5, 0x85, 0x8A, 0x1C,
93 	0xAC, 0x9C, 0x65, 0xE7, 0x50, 0x66, 0x65, 0x6F,
94 };
95 
96 static const unsigned char dsa1024_g[] = {
97 	0x4D, 0xDF, 0x4C, 0x03, 0xA6, 0x91, 0x8A, 0xF5, 0x19, 0x6F, 0x50, 0x46,
98 	0x25, 0x99, 0xE5, 0x68, 0x6F, 0x30, 0xE3, 0x69, 0xE1, 0xE5, 0xB3, 0x5D,
99 	0x98, 0xBB, 0x28, 0x86, 0x48, 0xFC, 0xDE, 0x99, 0x04, 0x3F, 0x5F, 0x88,
100 	0x0C, 0x9C, 0x73, 0x24, 0x0D, 0x20, 0x5D, 0xB9, 0x2A, 0x9A, 0x3F, 0x18,
101 	0x96, 0x27, 0xE4, 0x62, 0x87, 0xC1, 0x7B, 0x74, 0x62, 0x53, 0xFC, 0x61,
102 	0x27, 0xA8, 0x7A, 0x91, 0x09, 0x9D, 0xB6, 0xF1, 0x4D, 0x9C, 0x54, 0x0F,
103 	0x58, 0x06, 0xEE, 0x49, 0x74, 0x07, 0xCE, 0x55, 0x7E, 0x23, 0xCE, 0x16,
104 	0xF6, 0xCA, 0xDC, 0x5A, 0x61, 0x01, 0x7E, 0xC9, 0x71, 0xB5, 0x4D, 0xF6,
105 	0xDC, 0x34, 0x29, 0x87, 0x68, 0xF6, 0x5E, 0x20, 0x93, 0xB3, 0xDB, 0xF5,
106 	0xE4, 0x09, 0x6C, 0x41, 0x17, 0x95, 0x92, 0xEB, 0x01, 0xB5, 0x73, 0xA5,
107 	0x6A, 0x7E, 0xD8, 0x32, 0xED, 0x0E, 0x02, 0xB8,
108 };
109 
110 DSA *
111 get_dsa1024(void)
112 {
113 	return get_dsa(dsa1024_priv, sizeof(dsa1024_priv),
114 	    dsa1024_pub, sizeof(dsa1024_pub), dsa1024_p, sizeof(dsa1024_p),
115 	    dsa1024_q, sizeof(dsa1024_q), dsa1024_g, sizeof(dsa1024_g));
116 }
117 
118 static const unsigned char dsa2048_priv[] = {
119 	0x32, 0x67, 0x92, 0xf6, 0xc4, 0xe2, 0xe2, 0xe8, 0xa0, 0x8b, 0x6b, 0x45,
120 	0x0c, 0x8a, 0x76, 0xb0, 0xee, 0xcf, 0x91, 0xa7,
121 };
122 
123 static const unsigned char dsa2048_pub[] = {
124 	0x17, 0x8f, 0xa8, 0x11, 0x84, 0x92, 0xec, 0x83, 0x47, 0xc7, 0x6a, 0xb0,
125 	0x92, 0xaf, 0x5a, 0x20, 0x37, 0xa3, 0x64, 0x79, 0xd2, 0xd0, 0x3d, 0xcd,
126 	0xe0, 0x61, 0x88, 0x88, 0x21, 0xcc, 0x74, 0x5d, 0xce, 0x4c, 0x51, 0x47,
127 	0xf0, 0xc5, 0x5c, 0x4c, 0x82, 0x7a, 0xaf, 0x72, 0xad, 0xb9, 0xe0, 0x53,
128 	0xf2, 0x78, 0xb7, 0xf0, 0xb5, 0x48, 0x7f, 0x8a, 0x3a, 0x18, 0xd1, 0x9f,
129 	0x8b, 0x7d, 0xa5, 0x47, 0xb7, 0x95, 0xab, 0x98, 0xf8, 0x7b, 0x74, 0x50,
130 	0x56, 0x8e, 0x57, 0xf0, 0xee, 0xf5, 0xb7, 0xba, 0xab, 0x85, 0x86, 0xf9,
131 	0x2b, 0xef, 0x41, 0x56, 0xa0, 0xa4, 0x9f, 0xb7, 0x38, 0x00, 0x46, 0x0a,
132 	0xa6, 0xf1, 0xfc, 0x1f, 0xd8, 0x4e, 0x85, 0x44, 0x92, 0x43, 0x21, 0x5d,
133 	0x6e, 0xcc, 0xc2, 0xcb, 0x26, 0x31, 0x0d, 0x21, 0xc4, 0xbd, 0x8d, 0x24,
134 	0xbc, 0xd9, 0x18, 0x19, 0xd7, 0xdc, 0xf1, 0xe7, 0x93, 0x50, 0x48, 0x03,
135 	0x2c, 0xae, 0x2e, 0xe7, 0x49, 0x88, 0x5f, 0x93, 0x57, 0x27, 0x99, 0x36,
136 	0xb4, 0x20, 0xab, 0xfc, 0xa7, 0x2b, 0xf2, 0xd9, 0x98, 0xd7, 0xd4, 0x34,
137 	0x9d, 0x96, 0x50, 0x58, 0x9a, 0xea, 0x54, 0xf3, 0xee, 0xf5, 0x63, 0x14,
138 	0xee, 0x85, 0x83, 0x74, 0x76, 0xe1, 0x52, 0x95, 0xc3, 0xf7, 0xeb, 0x04,
139 	0x04, 0x7b, 0xa7, 0x28, 0x1b, 0xcc, 0xea, 0x4a, 0x4e, 0x84, 0xda, 0xd8,
140 	0x9c, 0x79, 0xd8, 0x9b, 0x66, 0x89, 0x2f, 0xcf, 0xac, 0xd7, 0x79, 0xf9,
141 	0xa9, 0xd8, 0x45, 0x13, 0x78, 0xb9, 0x00, 0x14, 0xc9, 0x7e, 0x22, 0x51,
142 	0x86, 0x67, 0xb0, 0x9f, 0x26, 0x11, 0x23, 0xc8, 0x38, 0xd7, 0x70, 0x1d,
143 	0x15, 0x8e, 0x4d, 0x4f, 0x95, 0x97, 0x40, 0xa1, 0xc2, 0x7e, 0x01, 0x18,
144 	0x72, 0xf4, 0x10, 0xe6, 0x8d, 0x52, 0x16, 0x7f, 0xf2, 0xc9, 0xf8, 0x33,
145 	0x8b, 0x33, 0xb7, 0xce,
146 };
147 
148 static const unsigned char dsa2048_p[] = {
149 	0xA0, 0x25, 0xFA, 0xAD, 0xF4, 0x8E, 0xB9, 0xE5, 0x99, 0xF3, 0x5D, 0x6F,
150 	0x4F, 0x83, 0x34, 0xE2, 0x7E, 0xCF, 0x6F, 0xBF, 0x30, 0xAF, 0x6F, 0x81,
151 	0xEB, 0xF8, 0xC4, 0x13, 0xD9, 0xA0, 0x5D, 0x8B, 0x5C, 0x8E, 0xDC, 0xC2,
152 	0x1D, 0x0B, 0x41, 0x32, 0xB0, 0x1F, 0xFE, 0xEF, 0x0C, 0xC2, 0xA2, 0x7E,
153 	0x68, 0x5C, 0x28, 0x21, 0xE9, 0xF5, 0xB1, 0x58, 0x12, 0x63, 0x4C, 0x19,
154 	0x4E, 0xFF, 0x02, 0x4B, 0x92, 0xED, 0xD2, 0x07, 0x11, 0x4D, 0x8C, 0x58,
155 	0x16, 0x5C, 0x55, 0x8E, 0xAD, 0xA3, 0x67, 0x7D, 0xB9, 0x86, 0x6E, 0x0B,
156 	0xE6, 0x54, 0x6F, 0x40, 0xAE, 0x0E, 0x67, 0x4C, 0xF9, 0x12, 0x5B, 0x3C,
157 	0x08, 0x7A, 0xF7, 0xFC, 0x67, 0x86, 0x69, 0xE7, 0x0A, 0x94, 0x40, 0xBF,
158 	0x8B, 0x76, 0xFE, 0x26, 0xD1, 0xF2, 0xA1, 0x1A, 0x84, 0xA1, 0x43, 0x56,
159 	0x28, 0xBC, 0x9A, 0x5F, 0xD7, 0x3B, 0x69, 0x89, 0x8A, 0x36, 0x2C, 0x51,
160 	0xDF, 0x12, 0x77, 0x2F, 0x57, 0x7B, 0xA0, 0xAA, 0xDD, 0x7F, 0xA1, 0x62,
161 	0x3B, 0x40, 0x7B, 0x68, 0x1A, 0x8F, 0x0D, 0x38, 0xBB, 0x21, 0x5D, 0x18,
162 	0xFC, 0x0F, 0x46, 0xF7, 0xA3, 0xB0, 0x1D, 0x23, 0xC3, 0xD2, 0xC7, 0x72,
163 	0x51, 0x18, 0xDF, 0x46, 0x95, 0x79, 0xD9, 0xBD, 0xB5, 0x19, 0x02, 0x2C,
164 	0x87, 0xDC, 0xE7, 0x57, 0x82, 0x7E, 0xF1, 0x8B, 0x06, 0x3D, 0x00, 0xA5,
165 	0x7B, 0x6B, 0x26, 0x27, 0x91, 0x0F, 0x6A, 0x77, 0xE4, 0xD5, 0x04, 0xE4,
166 	0x12, 0x2C, 0x42, 0xFF, 0xD2, 0x88, 0xBB, 0xD3, 0x92, 0xA0, 0xF9, 0xC8,
167 	0x51, 0x64, 0x14, 0x5C, 0xD8, 0xF9, 0x6C, 0x47, 0x82, 0xB4, 0x1C, 0x7F,
168 	0x09, 0xB8, 0xF0, 0x25, 0x83, 0x1D, 0x3F, 0x3F, 0x05, 0xB3, 0x21, 0x0A,
169 	0x5D, 0xA7, 0xD8, 0x54, 0xC3, 0x65, 0x7D, 0xC3, 0xB0, 0x1D, 0xBF, 0xAE,
170 	0xF8, 0x68, 0xCF, 0x9B,
171 };
172 
173 static const unsigned char dsa2048_q[] = {
174 	0x97, 0xE7, 0x33, 0x4D, 0xD3, 0x94, 0x3E, 0x0B, 0xDB, 0x62, 0x74, 0xC6,
175 	0xA1, 0x08, 0xDD, 0x19, 0xA3, 0x75, 0x17, 0x1B,
176 };
177 
178 static const unsigned char dsa2048_g[] = {
179 	0x2C, 0x78, 0x16, 0x59, 0x34, 0x63, 0xF4, 0xF3, 0x92, 0xFC, 0xB5, 0xA5,
180 	0x4F, 0x13, 0xDE, 0x2F, 0x1C, 0xA4, 0x3C, 0xAE, 0xAD, 0x38, 0x3F, 0x7E,
181 	0x90, 0xBF, 0x96, 0xA6, 0xAE, 0x25, 0x90, 0x72, 0xF5, 0x8E, 0x80, 0x0C,
182 	0x39, 0x1C, 0xD9, 0xEC, 0xBA, 0x90, 0x5B, 0x3A, 0xE8, 0x58, 0x6C, 0x9E,
183 	0x30, 0x42, 0x37, 0x02, 0x31, 0x82, 0xBC, 0x6A, 0xDF, 0x6A, 0x09, 0x29,
184 	0xE3, 0xC0, 0x46, 0xD1, 0xCB, 0x85, 0xEC, 0x0C, 0x30, 0x5E, 0xEA, 0xC8,
185 	0x39, 0x8E, 0x22, 0x9F, 0x22, 0x10, 0xD2, 0x34, 0x61, 0x68, 0x37, 0x3D,
186 	0x2E, 0x4A, 0x5B, 0x9A, 0xF5, 0xC1, 0x48, 0xC6, 0xF6, 0xDC, 0x63, 0x1A,
187 	0xD3, 0x96, 0x64, 0xBA, 0x34, 0xC9, 0xD1, 0xA0, 0xD1, 0xAE, 0x6C, 0x2F,
188 	0x48, 0x17, 0x93, 0x14, 0x43, 0xED, 0xF0, 0x21, 0x30, 0x19, 0xC3, 0x1B,
189 	0x5F, 0xDE, 0xA3, 0xF0, 0x70, 0x78, 0x18, 0xE1, 0xA8, 0xE4, 0xEE, 0x2E,
190 	0x00, 0xA5, 0xE4, 0xB3, 0x17, 0xC8, 0x0C, 0x7D, 0x6E, 0x42, 0xDC, 0xB7,
191 	0x46, 0x00, 0x36, 0x4D, 0xD4, 0x46, 0xAA, 0x3D, 0x3C, 0x46, 0x89, 0x40,
192 	0xBF, 0x1D, 0x84, 0x77, 0x0A, 0x75, 0xF3, 0x87, 0x1D, 0x08, 0x4C, 0xA6,
193 	0xD1, 0xA9, 0x1C, 0x1E, 0x12, 0x1E, 0xE1, 0xC7, 0x30, 0x28, 0x76, 0xA5,
194 	0x7F, 0x6C, 0x85, 0x96, 0x2B, 0x6F, 0xDB, 0x80, 0x66, 0x26, 0xAE, 0xF5,
195 	0x93, 0xC7, 0x8E, 0xAE, 0x9A, 0xED, 0xE4, 0xCA, 0x04, 0xEA, 0x3B, 0x72,
196 	0xEF, 0xDC, 0x87, 0xED, 0x0D, 0xA5, 0x4C, 0x4A, 0xDD, 0x71, 0x22, 0x64,
197 	0x59, 0x69, 0x4E, 0x8E, 0xBF, 0x43, 0xDC, 0xAB, 0x8E, 0x66, 0xBB, 0x01,
198 	0xB6, 0xF4, 0xE7, 0xFD, 0xD2, 0xAD, 0x9F, 0x36, 0xC1, 0xA0, 0x29, 0x99,
199 	0xD1, 0x96, 0x70, 0x59, 0x06, 0x78, 0x35, 0xBD, 0x65, 0x55, 0x52, 0x9E,
200 	0xF8, 0xB2, 0xE5, 0x38,
201 };
202 
203 DSA *
204 get_dsa2048(void)
205 {
206 	return get_dsa(dsa2048_priv, sizeof(dsa2048_priv),
207 	    dsa2048_pub, sizeof(dsa2048_pub), dsa2048_p, sizeof(dsa2048_p),
208 	    dsa2048_q, sizeof(dsa2048_q), dsa2048_g, sizeof(dsa2048_g));
209 }
210 
211 DSA *
212 get_dsa(const unsigned char *priv, size_t priv_size,
213     const unsigned char *pub, size_t pub_size,
214     const unsigned char *p_char, size_t p_size,
215     const unsigned char *q_char, size_t q_size,
216     const unsigned char *g_char, size_t g_size)
217 {
218 	DSA *dsa;
219 	BIGNUM *priv_key = NULL, *pub_key = NULL;
220 	BIGNUM *p = NULL, *q = NULL, *g = NULL;
221 
222 	if ((dsa = DSA_new()) == NULL)
223 		return (NULL);
224 
225 	priv_key = BN_bin2bn(priv, priv_size, NULL);
226 	pub_key = BN_bin2bn(pub, pub_size, NULL);
227 	if (priv_key == NULL || pub_key == NULL)
228 		goto err;
229 
230 	if (!DSA_set0_key(dsa, pub_key, priv_key))
231 		goto err;
232 	pub_key = NULL;
233 	priv_key = NULL;
234 
235 	p = BN_bin2bn(p_char, p_size, NULL);
236 	q = BN_bin2bn(q_char, q_size, NULL);
237 	g = BN_bin2bn(g_char, g_size, NULL);
238 	if (p == NULL || q == NULL || g == NULL)
239 		goto err;
240 
241 	if (!DSA_set0_pqg(dsa, p, q, g))
242 		goto err;
243 	p = NULL;
244 	q = NULL;
245 	g = NULL;
246 
247 	return dsa;
248 
249  err:
250 	DSA_free(dsa);
251 	BN_free(priv_key);
252 	BN_free(pub_key);
253 	BN_free(p);
254 	BN_free(q);
255 	BN_free(g);
256 
257 	return NULL;
258 }
259