1 #include <openssl/opensslconf.h>
2 
3 #ifdef OPENSSL_NO_JPAKE
4 
5 #include <stdio.h>
6 
7 int main(int argc, char *argv[])
8 {
9     printf("No J-PAKE support\n");
10     return(0);
11 }
12 
13 #else
14 
15 #include <openssl/jpake.h>
16 #include <openssl/err.h>
17 
18 static void showbn(const char *name, const BIGNUM *bn)
19     {
20     fputs(name, stdout);
21     fputs(" = ", stdout);
22     BN_print_fp(stdout, bn);
23     putc('\n', stdout);
24     }
25 
26 static int run_jpake(JPAKE_CTX *alice, JPAKE_CTX *bob)
27     {
28     JPAKE_STEP1 alice_s1;
29     JPAKE_STEP1 bob_s1;
30     JPAKE_STEP2 alice_s2;
31     JPAKE_STEP2 bob_s2;
32     JPAKE_STEP3A alice_s3a;
33     JPAKE_STEP3B bob_s3b;
34 
35    /* Alice -> Bob: step 1 */
36     puts("A->B s1");
37     JPAKE_STEP1_init(&alice_s1);
38     JPAKE_STEP1_generate(&alice_s1, alice);
39     if(!JPAKE_STEP1_process(bob, &alice_s1))
40 	{
41 	printf("Bob fails to process Alice's step 1\n");
42 	ERR_print_errors_fp(stdout);
43 	return 1;
44 	}
45     JPAKE_STEP1_release(&alice_s1);
46 
47    /* Bob -> Alice: step 1 */
48     puts("B->A s1");
49     JPAKE_STEP1_init(&bob_s1);
50     JPAKE_STEP1_generate(&bob_s1, bob);
51     if(!JPAKE_STEP1_process(alice, &bob_s1))
52 	{
53 	printf("Alice fails to process Bob's step 1\n");
54 	ERR_print_errors_fp(stdout);
55 	return 2;
56 	}
57     JPAKE_STEP1_release(&bob_s1);
58 
59    /* Alice -> Bob: step 2 */
60     puts("A->B s2");
61     JPAKE_STEP2_init(&alice_s2);
62     JPAKE_STEP2_generate(&alice_s2, alice);
63     if(!JPAKE_STEP2_process(bob, &alice_s2))
64 	{
65 	printf("Bob fails to process Alice's step 2\n");
66 	ERR_print_errors_fp(stdout);
67 	return 3;
68 	}
69     JPAKE_STEP2_release(&alice_s2);
70 
71    /* Bob -> Alice: step 2 */
72     puts("B->A s2");
73     JPAKE_STEP2_init(&bob_s2);
74     JPAKE_STEP2_generate(&bob_s2, bob);
75     if(!JPAKE_STEP2_process(alice, &bob_s2))
76 	{
77 	printf("Alice fails to process Bob's step 2\n");
78 	ERR_print_errors_fp(stdout);
79 	return 4;
80 	}
81     JPAKE_STEP2_release(&bob_s2);
82 
83     showbn("Alice's key", JPAKE_get_shared_key(alice));
84     showbn("Bob's key  ", JPAKE_get_shared_key(bob));
85 
86    /* Alice -> Bob: step 3a */
87     puts("A->B s3a");
88     JPAKE_STEP3A_init(&alice_s3a);
89     JPAKE_STEP3A_generate(&alice_s3a, alice);
90     if(!JPAKE_STEP3A_process(bob, &alice_s3a))
91 	{
92 	printf("Bob fails to process Alice's step 3a\n");
93 	ERR_print_errors_fp(stdout);
94 	return 5;
95 	}
96     JPAKE_STEP3A_release(&alice_s3a);
97 
98    /* Bob -> Alice: step 3b */
99     puts("B->A s3b");
100     JPAKE_STEP3B_init(&bob_s3b);
101     JPAKE_STEP3B_generate(&bob_s3b, bob);
102     if(!JPAKE_STEP3B_process(alice, &bob_s3b))
103 	{
104 	printf("Alice fails to process Bob's step 3b\n");
105 	ERR_print_errors_fp(stdout);
106 	return 6;
107 	}
108     JPAKE_STEP3B_release(&bob_s3b);
109 
110     return 0;
111     }
112 
113 int main(int argc, char **argv)
114     {
115     JPAKE_CTX *alice;
116     JPAKE_CTX *bob;
117     BIGNUM *p = NULL;
118     BIGNUM *g = NULL;
119     BIGNUM *q = NULL;
120     BIGNUM *secret = BN_new();
121     BIO *bio_err;
122 
123     bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
124 
125     CRYPTO_malloc_debug_init();
126     CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
127     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
128 
129     ERR_load_crypto_strings();
130 
131     /*
132     BN_hex2bn(&p, "fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b76b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7");
133     BN_hex2bn(&g, "f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d0782675159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e13c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243bcca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a");
134     BN_hex2bn(&q, "9760508f15230bccb292b982a2eb840bf0581cf5");
135     */
136     /*
137     p = BN_new();
138     BN_generate_prime(p, 1024, 1, NULL, NULL, NULL, NULL);
139     */
140    /* Use a safe prime for p (that we found earlier) */
141     BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
142     showbn("p", p);
143     g = BN_new();
144     BN_set_word(g, 2);
145     showbn("g", g);
146     q = BN_new();
147     BN_rshift1(q, p);
148     showbn("q", q);
149 
150     BN_rand(secret, 32, -1, 0);
151 
152    /* A normal run, expect this to work... */
153     alice = JPAKE_CTX_new("Alice", "Bob", p, g, q, secret);
154     bob = JPAKE_CTX_new("Bob", "Alice", p, g, q, secret);
155 
156     if(run_jpake(alice, bob) != 0)
157 	{
158 	fprintf(stderr, "Plain JPAKE run failed\n");
159 	return 1;
160 	}
161 
162     JPAKE_CTX_free(bob);
163     JPAKE_CTX_free(alice);
164 
165    /* Now give Alice and Bob different secrets */
166     alice = JPAKE_CTX_new("Alice", "Bob", p, g, q, secret);
167     BN_add_word(secret, 1);
168     bob = JPAKE_CTX_new("Bob", "Alice", p, g, q, secret);
169 
170     if(run_jpake(alice, bob) != 5)
171 	{
172 	fprintf(stderr, "Mismatched secret JPAKE run failed\n");
173 	return 1;
174 	}
175 
176     JPAKE_CTX_free(bob);
177     JPAKE_CTX_free(alice);
178 
179     BN_free(secret);
180     BN_free(q);
181     BN_free(g);
182     BN_free(p);
183 
184     CRYPTO_cleanup_all_ex_data();
185     ERR_remove_thread_state(NULL);
186     ERR_free_strings();
187     CRYPTO_mem_leaks(bio_err);
188 
189     return 0;
190     }
191 
192 #endif
193