1#include <tomcrypt_test.h>
2
3#ifdef MRSA
4
5#define RSA_MSGSIZE 78
6
7/* These are test keys [see file test.key] that I use to test my import/export against */
8static const unsigned char openssl_private_rsa[] = {
9   0x30, 0x82, 0x02, 0x5e, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, 0x64, 0x8a,
10   0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, 0xa1, 0xb7,
11   0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, 0x65, 0xe5,
12   0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, 0x12, 0x8a,
13   0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, 0xbf, 0x12,
14   0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, 0x7c, 0x61,
15   0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, 0xe2, 0x76,
16   0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, 0x60, 0x3f,
17   0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, 0x00, 0x01,
18   0x02, 0x81, 0x81, 0x00, 0xc8, 0x62, 0xb9, 0xea, 0xde, 0x44, 0x53, 0x1d, 0x56, 0x97, 0xd9, 0x97,
19   0x9e, 0x1a, 0xcf, 0x30, 0x1e, 0x0a, 0x88, 0x45, 0x86, 0x29, 0x30, 0xa3, 0x4d, 0x9f, 0x61, 0x65,
20   0x73, 0xe0, 0xd6, 0x87, 0x8f, 0xb6, 0xf3, 0x06, 0xa3, 0x82, 0xdc, 0x7c, 0xac, 0xfe, 0x9b, 0x28,
21   0x9a, 0xae, 0xfd, 0xfb, 0xfe, 0x2f, 0x0e, 0xd8, 0x97, 0x04, 0xe3, 0xbb, 0x1f, 0xd1, 0xec, 0x0d,
22   0xba, 0xa3, 0x49, 0x7f, 0x47, 0xac, 0x8a, 0x44, 0x04, 0x7e, 0x86, 0xb7, 0x39, 0x42, 0x3f, 0xad,
23   0x1e, 0xb7, 0x0e, 0xa5, 0x51, 0xf4, 0x40, 0x63, 0x1e, 0xfd, 0xbd, 0xea, 0x9f, 0x41, 0x9f, 0xa8,
24   0x90, 0x1d, 0x6f, 0x0a, 0x5a, 0x95, 0x13, 0x11, 0x0d, 0x80, 0xaf, 0x5f, 0x64, 0x98, 0x8a, 0x2c,
25   0x78, 0x68, 0x65, 0xb0, 0x2b, 0x8b, 0xa2, 0x53, 0x87, 0xca, 0xf1, 0x64, 0x04, 0xab, 0xf2, 0x7b,
26   0xdb, 0x83, 0xc8, 0x81, 0x02, 0x41, 0x00, 0xf7, 0xbe, 0x5e, 0x23, 0xc3, 0x32, 0x3f, 0xbf, 0x8b,
27   0x8e, 0x3a, 0xee, 0xfc, 0xfc, 0xcb, 0xe5, 0xf7, 0xf1, 0x0b, 0xbc, 0x42, 0x82, 0xae, 0xd5, 0x7a,
28   0x3e, 0xca, 0xf7, 0xd5, 0x69, 0x3f, 0x64, 0x25, 0xa2, 0x1f, 0xb7, 0x75, 0x75, 0x05, 0x92, 0x42,
29   0xeb, 0xb8, 0xf1, 0xf3, 0x0a, 0x05, 0xe3, 0x94, 0xd1, 0x55, 0x78, 0x35, 0xa0, 0x36, 0xa0, 0x9b,
30   0x7c, 0x92, 0x84, 0x6c, 0xdd, 0xdc, 0x4d, 0x02, 0x41, 0x00, 0xd6, 0x86, 0x0e, 0x85, 0x42, 0x0b,
31   0x04, 0x08, 0x84, 0x21, 0x60, 0xf0, 0x0e, 0x0d, 0x88, 0xfd, 0x1e, 0x36, 0x10, 0x65, 0x4f, 0x1e,
32   0x53, 0xb4, 0x08, 0x72, 0x80, 0x5c, 0x3f, 0x59, 0x66, 0x17, 0xe6, 0x98, 0xf2, 0xe9, 0x6c, 0x7a,
33   0x06, 0x4c, 0xac, 0x76, 0x3d, 0xed, 0x8c, 0xa1, 0xce, 0xad, 0x1b, 0xbd, 0xb4, 0x7d, 0x28, 0xbc,
34   0xe3, 0x0e, 0x38, 0x8d, 0x99, 0xd8, 0x05, 0xb5, 0xa3, 0x71, 0x02, 0x40, 0x6d, 0xeb, 0xc3, 0x2d,
35   0x2e, 0xf0, 0x5e, 0xa4, 0x88, 0x31, 0x05, 0x29, 0x00, 0x8a, 0xd1, 0x95, 0x29, 0x9b, 0x83, 0xcf,
36   0x75, 0xdb, 0x31, 0xe3, 0x7a, 0x27, 0xde, 0x3a, 0x74, 0x30, 0x0c, 0x76, 0x4c, 0xd4, 0x50, 0x2a,
37   0x40, 0x2d, 0x39, 0xd9, 0x99, 0x63, 0xa9, 0x5d, 0x80, 0xae, 0x53, 0xca, 0x94, 0x3f, 0x05, 0x23,
38   0x1e, 0xf8, 0x05, 0x04, 0xe1, 0xb8, 0x35, 0xf2, 0x17, 0xb3, 0xa0, 0x89, 0x02, 0x41, 0x00, 0xab,
39   0x90, 0x88, 0xfa, 0x60, 0x08, 0x29, 0x50, 0x9a, 0x43, 0x8b, 0xa0, 0x50, 0xcc, 0xd8, 0x5a, 0xfe,
40   0x97, 0x64, 0x63, 0x71, 0x74, 0x22, 0xa3, 0x20, 0x02, 0x5a, 0xcf, 0xeb, 0xc6, 0x16, 0x95, 0x54,
41   0xd1, 0xcb, 0xab, 0x8d, 0x1a, 0xc6, 0x00, 0xfa, 0x08, 0x92, 0x9c, 0x71, 0xd5, 0x52, 0x52, 0x35,
42   0x96, 0x71, 0x4b, 0x8b, 0x92, 0x0c, 0xd0, 0xe9, 0xbf, 0xad, 0x63, 0x0b, 0xa5, 0xe9, 0xb1, 0x02,
43   0x41, 0x00, 0xdc, 0xcc, 0x27, 0xc8, 0xe4, 0xdc, 0x62, 0x48, 0xd5, 0x9b, 0xaf, 0xf5, 0xab, 0x60,
44   0xf6, 0x21, 0xfd, 0x53, 0xe2, 0xb7, 0x5d, 0x09, 0xc9, 0x1a, 0xa1, 0x04, 0xa9, 0xfc, 0x61, 0x2c,
45   0x5d, 0x04, 0x58, 0x3a, 0x5a, 0x39, 0xf1, 0x4a, 0x21, 0x56, 0x67, 0xfd, 0xcc, 0x20, 0xa3, 0x8f,
46   0x78, 0x18, 0x5a, 0x79, 0x3d, 0x2e, 0x8e, 0x7e, 0x86, 0x0a, 0xe6, 0xa8, 0x33, 0xc1, 0x04, 0x17,
47   0x4a, 0x9f,  };
48
49
50/*** openssl public RSA key in DER format */
51static const unsigned char openssl_public_rsa[] = {
52   0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
53   0x05, 0x00, 0x03, 0x81, 0x8d, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
54   0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
55   0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
56   0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
57   0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
58   0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
59   0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
60   0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
61   0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
62   0x00, 0x01,  };
63
64/* same key but with extra headers stripped */
65static const unsigned char openssl_public_rsa_stripped[] = {
66   0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
67   0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
68   0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
69   0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
70   0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
71   0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
72   0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
73   0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
74   0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
75   0x00, 0x01,  };
76
77static int rsa_compat_test(void)
78{
79   rsa_key key;
80   unsigned char buf[1024];
81   unsigned long len;
82
83   /* try reading the key */
84   DO(rsa_import(openssl_private_rsa, sizeof(openssl_private_rsa), &key));
85
86   /* now try to export private/public and compare */
87   len = sizeof(buf);
88   DO(rsa_export(buf, &len, PK_PRIVATE, &key));
89   if (len != sizeof(openssl_private_rsa) || memcmp(buf, openssl_private_rsa, len)) {
90      fprintf(stderr, "RSA private export failed to match OpenSSL output, %lu, %lu\n", len, (unsigned long)sizeof(openssl_private_rsa));
91      return 1;
92   }
93
94   len = sizeof(buf);
95   DO(rsa_export(buf, &len, PK_PUBLIC, &key));
96   if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
97      fprintf(stderr, "RSA(private) public export failed to match OpenSSL output\n");
98      return 1;
99   }
100   rsa_free(&key);
101
102   /* try reading the public key */
103   DO(rsa_import(openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), &key));
104   len = sizeof(buf);
105   DO(rsa_export(buf, &len, PK_PUBLIC, &key));
106   if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
107      fprintf(stderr, "RSA(public) stripped public import failed to match OpenSSL output\n");
108      return 1;
109   }
110   rsa_free(&key);
111
112   /* try reading the public key */
113   DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key));
114   len = sizeof(buf);
115   DO(rsa_export(buf, &len, PK_PUBLIC, &key));
116   if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
117      fprintf(stderr, "RSA(public) SSL public import failed to match OpenSSL output\n");
118      return 1;
119   }
120   rsa_free(&key);
121
122   return 0;
123}
124
125int rsa_test(void)
126{
127   unsigned char in[1024], out[1024], tmp[1024];
128   rsa_key       key, privKey, pubKey;
129   int           hash_idx, prng_idx, stat, stat2;
130   unsigned long rsa_msgsize, len, len2, cnt;
131   static unsigned char lparam[] = { 0x01, 0x02, 0x03, 0x04 };
132
133   if (rsa_compat_test() != 0) {
134      return 1;
135   }
136
137   hash_idx = find_hash("sha1");
138   prng_idx = find_prng("yarrow");
139   if (hash_idx == -1 || prng_idx == -1) {
140      fprintf(stderr, "rsa_test requires SHA1 and yarrow");
141      return 1;
142   }
143
144   /* make 10 random key */
145   for (cnt = 0; cnt < 10; cnt++) {
146      DO(rsa_make_key(&yarrow_prng, prng_idx, 1024/8, 65537, &key));
147      if (mp_count_bits(key.N) != 1024) {
148         fprintf(stderr, "rsa_1024 key modulus has %d bits\n", mp_count_bits(key.N));
149
150len = mp_unsigned_bin_size(key.N);
151mp_to_unsigned_bin(key.N, tmp);
152 fprintf(stderr, "N == \n");
153for (cnt = 0; cnt < len; ) {
154   fprintf(stderr, "%02x ", tmp[cnt]);
155   if (!(++cnt & 15)) fprintf(stderr, "\n");
156}
157
158len = mp_unsigned_bin_size(key.p);
159mp_to_unsigned_bin(key.p, tmp);
160 fprintf(stderr, "p == \n");
161for (cnt = 0; cnt < len; ) {
162   fprintf(stderr, "%02x ", tmp[cnt]);
163   if (!(++cnt & 15)) fprintf(stderr, "\n");
164}
165
166len = mp_unsigned_bin_size(key.q);
167mp_to_unsigned_bin(key.q, tmp);
168 fprintf(stderr, "\nq == \n");
169for (cnt = 0; cnt < len; ) {
170   fprintf(stderr, "%02x ", tmp[cnt]);
171   if (!(++cnt & 15)) fprintf(stderr, "\n");
172}
173 fprintf(stderr, "\n");
174
175
176         return 1;
177      }
178      if (cnt != 9) {
179         rsa_free(&key);
180      }
181   }
182
183   /* encrypt the key (without lparam) */
184   for (cnt = 0; cnt < 4; cnt++) {
185   for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
186      /* make a random key/msg */
187      yarrow_read(in, rsa_msgsize, &yarrow_prng);
188
189      len  = sizeof(out);
190      len2 = rsa_msgsize;
191
192      DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, hash_idx, &key));
193      /* change a byte */
194      out[8] ^= 1;
195      DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat2, &key));
196      /* change a byte back */
197      out[8] ^= 1;
198      if (len2 != rsa_msgsize) {
199         fprintf(stderr, "\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2);
200         return 1;
201      }
202
203      len2 = rsa_msgsize;
204      DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat, &key));
205      if (!(stat == 1 && stat2 == 0)) {
206         fprintf(stderr, "rsa_decrypt_key failed");
207         return 1;
208      }
209      if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
210         unsigned long x;
211         fprintf(stderr, "\nrsa_decrypt_key mismatch, len %lu (second decrypt)\n", len2);
212         fprintf(stderr, "Original contents: \n");
213         for (x = 0; x < rsa_msgsize; ) {
214             fprintf(stderr, "%02x ", in[x]);
215             if (!(++x % 16)) {
216                fprintf(stderr, "\n");
217             }
218         }
219         fprintf(stderr, "\n");
220         fprintf(stderr, "Output contents: \n");
221         for (x = 0; x < rsa_msgsize; ) {
222             fprintf(stderr, "%02x ", out[x]);
223             if (!(++x % 16)) {
224                fprintf(stderr, "\n");
225             }
226         }
227         fprintf(stderr, "\n");
228         return 1;
229      }
230   }
231   }
232
233   /* encrypt the key (with lparam) */
234   for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
235      len  = sizeof(out);
236      len2 = rsa_msgsize;
237      DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, lparam, sizeof(lparam), &yarrow_prng, prng_idx, hash_idx, &key));
238      /* change a byte */
239      out[8] ^= 1;
240      DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat2, &key));
241      if (len2 != rsa_msgsize) {
242         fprintf(stderr, "\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2);
243         return 1;
244      }
245      /* change a byte back */
246      out[8] ^= 1;
247
248      len2 = rsa_msgsize;
249      DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat, &key));
250      if (!(stat == 1 && stat2 == 0)) {
251         fprintf(stderr, "rsa_decrypt_key failed");
252         return 1;
253      }
254      if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
255         fprintf(stderr, "rsa_decrypt_key mismatch len %lu", len2);
256         return 1;
257      }
258   }
259
260   /* encrypt the key PKCS #1 v1.5 (payload from 1 to 117 bytes) */
261   for (rsa_msgsize = 1; rsa_msgsize <= 117; rsa_msgsize++) {
262      len  = sizeof(out);
263      len2 = rsa_msgsize;
264      DO(rsa_encrypt_key_ex(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, 0, LTC_PKCS_1_V1_5, &key));
265
266      len2 = rsa_msgsize;
267      DO(rsa_decrypt_key_ex(out, len, tmp, &len2, NULL, 0, 0, LTC_PKCS_1_V1_5, &stat, &key));
268      if (!(stat == 1 && stat2 == 0)) {
269         fprintf(stderr, "rsa_decrypt_key_ex failed, %d, %d", stat, stat2);
270         return 1;
271      }
272      if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
273         fprintf(stderr, "rsa_decrypt_key_ex mismatch len %lu", len2);
274         return 1;
275      }
276   }
277
278   /* sign a message (unsalted, lower cholestorol and Atkins approved) now */
279   len = sizeof(out);
280   DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 0, &key));
281
282/* export key and import as both private and public */
283   len2 = sizeof(tmp);
284   DO(rsa_export(tmp, &len2, PK_PRIVATE, &key));
285   DO(rsa_import(tmp, len2, &privKey));
286   len2 = sizeof(tmp);
287   DO(rsa_export(tmp, &len2, PK_PUBLIC, &key));
288   DO(rsa_import(tmp, len2, &pubKey));
289
290   /* verify with original */
291   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &key));
292   /* change a byte */
293   in[0] ^= 1;
294   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &key));
295
296   if (!(stat == 1 && stat2 == 0)) {
297      fprintf(stderr, "rsa_verify_hash (unsalted, origKey) failed, %d, %d", stat, stat2);
298      rsa_free(&key);
299      rsa_free(&pubKey);
300      rsa_free(&privKey);
301      return 1;
302   }
303
304   /* verify with privKey */
305   /* change a byte */
306   in[0] ^= 1;
307   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &privKey));
308   /* change a byte */
309   in[0] ^= 1;
310   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &privKey));
311
312   if (!(stat == 1 && stat2 == 0)) {
313      fprintf(stderr, "rsa_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2);
314      rsa_free(&key);
315      rsa_free(&pubKey);
316      rsa_free(&privKey);
317      return 1;
318   }
319
320   /* verify with pubKey */
321   /* change a byte */
322   in[0] ^= 1;
323   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &pubKey));
324   /* change a byte */
325   in[0] ^= 1;
326   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &pubKey));
327
328   if (!(stat == 1 && stat2 == 0)) {
329      fprintf(stderr, "rsa_verify_hash (unsalted, pubkey) failed, %d, %d", stat, stat2);
330      rsa_free(&key);
331      rsa_free(&pubKey);
332      rsa_free(&privKey);
333      return 1;
334   }
335
336   /* sign a message (salted) now (use privKey to make, pubKey to verify) */
337   len = sizeof(out);
338   DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
339   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat, &pubKey));
340   /* change a byte */
341   in[0] ^= 1;
342   DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat2, &pubKey));
343
344   if (!(stat == 1 && stat2 == 0)) {
345      fprintf(stderr, "rsa_verify_hash (salted) failed, %d, %d", stat, stat2);
346      rsa_free(&key);
347      rsa_free(&pubKey);
348      rsa_free(&privKey);
349      return 1;
350   }
351
352   /* sign a message with PKCS #1 v1.5 */
353   len = sizeof(out);
354   DO(rsa_sign_hash_ex(in, 20, out, &len, LTC_PKCS_1_V1_5, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
355   DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat, &pubKey));
356   /* change a byte */
357   in[0] ^= 1;
358   DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat2, &pubKey));
359
360   if (!(stat == 1 && stat2 == 0)) {
361      fprintf(stderr, "rsa_verify_hash_ex failed, %d, %d", stat, stat2);
362      rsa_free(&key);
363      rsa_free(&pubKey);
364      rsa_free(&privKey);
365      return 1;
366   }
367
368   /* free the key and return */
369   rsa_free(&key);
370   rsa_free(&pubKey);
371   rsa_free(&privKey);
372   return 0;
373}
374
375#else
376
377int rsa_test(void)
378{
379   fprintf(stderr, "NOP");
380   return 0;
381}
382
383#endif
384
385/* $Source: /cvs/libtom/libtomcrypt/testprof/rsa_test.c,v $ */
386/* $Revision: 1.18 $ */
387/* $Date: 2006/11/21 00:10:18 $ */
388