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source: vbox/trunk/src/libs/openssl-3.1.7/test/rsa_sp800_56b_test.c@ 106683

Last change on this file since 106683 was 104078, checked in by vboxsync, 11 months ago

openssl-3.1.5: Applied and adjusted our OpenSSL changes to 3.1.4. bugref:10638
File size: 20.9 KB
Line 
1/*
2 * Copyright 2018-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * RSA low level APIs are deprecated for public use, but still ok for
12 * internal use.
13 */
14#include "internal/deprecated.h"
15
16#include <stdio.h>
17#include <string.h>
18
19#include "internal/nelem.h"
20
21#include <openssl/crypto.h>
22#include <openssl/err.h>
23#include <openssl/rand.h>
24#include <openssl/bn.h>
25
26#include "testutil.h"
27
28#include "rsa_local.h"
29#include <openssl/rsa.h>
30
31/* taken from RSA2 cavs data */
32static const unsigned char cav_e[] = {
33 0x01,0x00,0x01
34};
35static const unsigned char cav_p[] = {
36 0xcf,0x72,0x1b,0x9a,0xfd,0x0d,0x22,0x1a,0x74,0x50,0x97,0x22,0x76,0xd8,0xc0,
37 0xc2,0xfd,0x08,0x81,0x05,0xdd,0x18,0x21,0x99,0x96,0xd6,0x5c,0x79,0xe3,0x02,
38 0x81,0xd7,0x0e,0x3f,0x3b,0x34,0xda,0x61,0xc9,0x2d,0x84,0x86,0x62,0x1e,0x3d,
39 0x5d,0xbf,0x92,0x2e,0xcd,0x35,0x3d,0x6e,0xb9,0x59,0x16,0xc9,0x82,0x50,0x41,
40 0x30,0x45,0x67,0xaa,0xb7,0xbe,0xec,0xea,0x4b,0x9e,0xa0,0xc3,0x05,0xbc,0x4c,
41 0x01,0xa5,0x4b,0xbd,0xa4,0x20,0xb5,0x20,0xd5,0x59,0x6f,0x82,0x5c,0x8f,0x4f,
42 0xe0,0x3a,0x4e,0x7e,0xfe,0x44,0xf3,0x3c,0xc0,0x0e,0x14,0x2b,0x32,0xe6,0x28,
43 0x8b,0x63,0x87,0x00,0xc3,0x53,0x4a,0x5b,0x71,0x7a,0x5b,0x28,0x40,0xc4,0x18,
44 0xb6,0x77,0x0b,0xab,0x59,0xa4,0x96,0x7d
45};
46static const unsigned char cav_q[] = {
47 0xfe,0xab,0xf2,0x7c,0x16,0x4a,0xf0,0x8d,0x31,0xc6,0x0a,0x82,0xe2,0xae,0xbb,
48 0x03,0x7e,0x7b,0x20,0x4e,0x64,0xb0,0x16,0xad,0x3c,0x01,0x1a,0xd3,0x54,0xbf,
49 0x2b,0xa4,0x02,0x9e,0xc3,0x0d,0x60,0x3d,0x1f,0xb9,0xc0,0x0d,0xe6,0x97,0x68,
50 0xbb,0x8c,0x81,0xd5,0xc1,0x54,0x96,0x0f,0x99,0xf0,0xa8,0xa2,0xf3,0xc6,0x8e,
51 0xec,0xbc,0x31,0x17,0x70,0x98,0x24,0xa3,0x36,0x51,0xa8,0x54,0xc4,0x44,0xdd,
52 0xf7,0x7e,0xda,0x47,0x4a,0x67,0x44,0x5d,0x4e,0x75,0xf0,0x4d,0x00,0x68,0xe1,
53 0x4a,0xec,0x1f,0x45,0xf9,0xe6,0xca,0x38,0x95,0x48,0x6f,0xdc,0x9d,0x1b,0xa3,
54 0x4b,0xfd,0x08,0x4b,0x54,0xcd,0xeb,0x3d,0xef,0x33,0x11,0x6e,0xce,0xe4,0x5d,
55 0xef,0xa9,0x58,0x5c,0x87,0x4d,0xc8,0xcf
56};
57static const unsigned char cav_n[] = {
58 0xce,0x5e,0x8d,0x1a,0xa3,0x08,0x7a,0x2d,0xb4,0x49,0x48,0xf0,0x06,0xb6,0xfe,
59 0xba,0x2f,0x39,0x7c,0x7b,0xe0,0x5d,0x09,0x2d,0x57,0x4e,0x54,0x60,0x9c,0xe5,
60 0x08,0x4b,0xe1,0x1a,0x73,0xc1,0x5e,0x2f,0xb6,0x46,0xd7,0x81,0xca,0xbc,0x98,
61 0xd2,0xf9,0xef,0x1c,0x92,0x8c,0x8d,0x99,0x85,0x28,0x52,0xd6,0xd5,0xab,0x70,
62 0x7e,0x9e,0xa9,0x87,0x82,0xc8,0x95,0x64,0xeb,0xf0,0x6c,0x0f,0x3f,0xe9,0x02,
63 0x29,0x2e,0x6d,0xa1,0xec,0xbf,0xdc,0x23,0xdf,0x82,0x4f,0xab,0x39,0x8d,0xcc,
64 0xac,0x21,0x51,0x14,0xf8,0xef,0xec,0x73,0x80,0x86,0xa3,0xcf,0x8f,0xd5,0xcf,
65 0x22,0x1f,0xcc,0x23,0x2f,0xba,0xcb,0xf6,0x17,0xcd,0x3a,0x1f,0xd9,0x84,0xb9,
66 0x88,0xa7,0x78,0x0f,0xaa,0xc9,0x04,0x01,0x20,0x72,0x5d,0x2a,0xfe,0x5b,0xdd,
67 0x16,0x5a,0xed,0x83,0x02,0x96,0x39,0x46,0x37,0x30,0xc1,0x0d,0x87,0xc2,0xc8,
68 0x33,0x38,0xed,0x35,0x72,0xe5,0x29,0xf8,0x1f,0x23,0x60,0xe1,0x2a,0x5b,0x1d,
69 0x6b,0x53,0x3f,0x07,0xc4,0xd9,0xbb,0x04,0x0c,0x5c,0x3f,0x0b,0xc4,0xd4,0x61,
70 0x96,0x94,0xf1,0x0f,0x4a,0x49,0xac,0xde,0xd2,0xe8,0x42,0xb3,0x4a,0x0b,0x64,
71 0x7a,0x32,0x5f,0x2b,0x5b,0x0f,0x8b,0x8b,0xe0,0x33,0x23,0x34,0x64,0xf8,0xb5,
72 0x7f,0x69,0x60,0xb8,0x71,0xe9,0xff,0x92,0x42,0xb1,0xf7,0x23,0xa8,0xa7,0x92,
73 0x04,0x3d,0x6b,0xff,0xf7,0xab,0xbb,0x14,0x1f,0x4c,0x10,0x97,0xd5,0x6b,0x71,
74 0x12,0xfd,0x93,0xa0,0x4a,0x3b,0x75,0x72,0x40,0x96,0x1c,0x5f,0x40,0x40,0x57,
75 0x13
76};
77static const unsigned char cav_d[] = {
78 0x47,0x47,0x49,0x1d,0x66,0x2a,0x4b,0x68,0xf5,0xd8,0x4a,0x24,0xfd,0x6c,0xbf,
79 0x56,0xb7,0x70,0xf7,0x9a,0x21,0xc8,0x80,0x9e,0xf4,0x84,0xcd,0x88,0x01,0x28,
80 0xea,0x50,0xab,0x13,0x63,0xdf,0xea,0x14,0x38,0xb5,0x07,0x42,0x81,0x2f,0xda,
81 0xe9,0x24,0x02,0x7e,0xaf,0xef,0x74,0x09,0x0e,0x80,0xfa,0xfb,0xd1,0x19,0x41,
82 0xe5,0xba,0x0f,0x7c,0x0a,0xa4,0x15,0x55,0xa2,0x58,0x8c,0x3a,0x48,0x2c,0xc6,
83 0xde,0x4a,0x76,0xfb,0x72,0xb6,0x61,0xe6,0xd2,0x10,0x44,0x4c,0x33,0xb8,0xd2,
84 0x74,0xb1,0x9d,0x3b,0xcd,0x2f,0xb1,0x4f,0xc3,0x98,0xbd,0x83,0xb7,0x7e,0x75,
85 0xe8,0xa7,0x6a,0xee,0xcc,0x51,0x8c,0x99,0x17,0x67,0x7f,0x27,0xf9,0x0d,0x6a,
86 0xb7,0xd4,0x80,0x17,0x89,0x39,0x9c,0xf3,0xd7,0x0f,0xdf,0xb0,0x55,0x80,0x1d,
87 0xaf,0x57,0x2e,0xd0,0xf0,0x4f,0x42,0x69,0x55,0xbc,0x83,0xd6,0x97,0x83,0x7a,
88 0xe6,0xc6,0x30,0x6d,0x3d,0xb5,0x21,0xa7,0xc4,0x62,0x0a,0x20,0xce,0x5e,0x5a,
89 0x17,0x98,0xb3,0x6f,0x6b,0x9a,0xeb,0x6b,0xa3,0xc4,0x75,0xd8,0x2b,0xdc,0x5c,
90 0x6f,0xec,0x5d,0x49,0xac,0xa8,0xa4,0x2f,0xb8,0x8c,0x4f,0x2e,0x46,0x21,0xee,
91 0x72,0x6a,0x0e,0x22,0x80,0x71,0xc8,0x76,0x40,0x44,0x61,0x16,0xbf,0xa5,0xf8,
92 0x89,0xc7,0xe9,0x87,0xdf,0xbd,0x2e,0x4b,0x4e,0xc2,0x97,0x53,0xe9,0x49,0x1c,
93 0x05,0xb0,0x0b,0x9b,0x9f,0x21,0x19,0x41,0xe9,0xf5,0x61,0xd7,0x33,0x2e,0x2c,
94 0x94,0xb8,0xa8,0x9a,0x3a,0xcc,0x6a,0x24,0x8d,0x19,0x13,0xee,0xb9,0xb0,0x48,
95 0x61
96};
97
98/* helper function */
99static BIGNUM *bn_load_new(const unsigned char *data, int sz)
100{
101 BIGNUM *ret = BN_new();
102 if (ret != NULL)
103 BN_bin2bn(data, sz, ret);
104 return ret;
105}
106
107/* Check that small rsa exponents are allowed in non FIPS mode */
108static int test_check_public_exponent(void)
109{
110 int ret = 0;
111 BIGNUM *e = NULL;
112
113 ret = TEST_ptr(e = BN_new())
114 /* e is too small will fail */
115 && TEST_true(BN_set_word(e, 1))
116 && TEST_false(ossl_rsa_check_public_exponent(e))
117 /* e is even will fail */
118 && TEST_true(BN_set_word(e, 65536))
119 && TEST_false(ossl_rsa_check_public_exponent(e))
120 /* e is ok */
121 && TEST_true(BN_set_word(e, 3))
122 && TEST_true(ossl_rsa_check_public_exponent(e))
123 && TEST_true(BN_set_word(e, 17))
124 && TEST_true(ossl_rsa_check_public_exponent(e))
125 && TEST_true(BN_set_word(e, 65537))
126 && TEST_true(ossl_rsa_check_public_exponent(e))
127 /* e = 2^256 + 1 is ok */
128 && TEST_true(BN_lshift(e, BN_value_one(), 256))
129 && TEST_true(BN_add(e, e, BN_value_one()))
130 && TEST_true(ossl_rsa_check_public_exponent(e));
131 BN_free(e);
132 return ret;
133}
134
135static int test_check_prime_factor_range(void)
136{
137 int ret = 0;
138 BN_CTX *ctx = NULL;
139 BIGNUM *p = NULL;
140 BIGNUM *bn_p1 = NULL, *bn_p2 = NULL, *bn_p3 = NULL, *bn_p4 = NULL;
141 /* Some range checks that are larger than 32 bits */
142 static const unsigned char p1[] = { 0x0B, 0x50, 0x4F, 0x33, 0x3F };
143 static const unsigned char p2[] = { 0x10, 0x00, 0x00, 0x00, 0x00 };
144 static const unsigned char p3[] = { 0x0B, 0x50, 0x4F, 0x33, 0x40 };
145 static const unsigned char p4[] = { 0x0F, 0xFF, 0xFF, 0xFF, 0xFF };
146
147 /* (√2)(2^(nbits/2 - 1) <= p <= 2^(nbits/2) - 1
148 * For 8 bits: 0xB.504F <= p <= 0xF
149 * for 72 bits: 0xB504F333F. <= p <= 0xF_FFFF_FFFF
150 */
151 ret = TEST_ptr(p = BN_new())
152 && TEST_ptr(bn_p1 = bn_load_new(p1, sizeof(p1)))
153 && TEST_ptr(bn_p2 = bn_load_new(p2, sizeof(p2)))
154 && TEST_ptr(bn_p3 = bn_load_new(p3, sizeof(p3)))
155 && TEST_ptr(bn_p4 = bn_load_new(p4, sizeof(p4)))
156 && TEST_ptr(ctx = BN_CTX_new())
157 && TEST_true(BN_set_word(p, 0xA))
158 && TEST_false(ossl_rsa_check_prime_factor_range(p, 8, ctx))
159 && TEST_true(BN_set_word(p, 0x10))
160 && TEST_false(ossl_rsa_check_prime_factor_range(p, 8, ctx))
161 && TEST_true(BN_set_word(p, 0xB))
162 && TEST_false(ossl_rsa_check_prime_factor_range(p, 8, ctx))
163 && TEST_true(BN_set_word(p, 0xC))
164 && TEST_true(ossl_rsa_check_prime_factor_range(p, 8, ctx))
165 && TEST_true(BN_set_word(p, 0xF))
166 && TEST_true(ossl_rsa_check_prime_factor_range(p, 8, ctx))
167 && TEST_false(ossl_rsa_check_prime_factor_range(bn_p1, 72, ctx))
168 && TEST_false(ossl_rsa_check_prime_factor_range(bn_p2, 72, ctx))
169 && TEST_true(ossl_rsa_check_prime_factor_range(bn_p3, 72, ctx))
170 && TEST_true(ossl_rsa_check_prime_factor_range(bn_p4, 72, ctx));
171
172 BN_free(bn_p4);
173 BN_free(bn_p3);
174 BN_free(bn_p2);
175 BN_free(bn_p1);
176 BN_free(p);
177 BN_CTX_free(ctx);
178 return ret;
179}
180
181static int test_check_prime_factor(void)
182{
183 int ret = 0;
184 BN_CTX *ctx = NULL;
185 BIGNUM *p = NULL, *e = NULL;
186 BIGNUM *bn_p1 = NULL, *bn_p2 = NULL, *bn_p3 = NULL;
187
188 /* Some range checks that are larger than 32 bits */
189 static const unsigned char p1[] = { 0x0B, 0x50, 0x4f, 0x33, 0x73 };
190 static const unsigned char p2[] = { 0x0B, 0x50, 0x4f, 0x33, 0x75 };
191 static const unsigned char p3[] = { 0x0F, 0x50, 0x00, 0x03, 0x75 };
192
193 ret = TEST_ptr(p = BN_new())
194 && TEST_ptr(bn_p1 = bn_load_new(p1, sizeof(p1)))
195 && TEST_ptr(bn_p2 = bn_load_new(p2, sizeof(p2)))
196 && TEST_ptr(bn_p3 = bn_load_new(p3, sizeof(p3)))
197 && TEST_ptr(e = BN_new())
198 && TEST_ptr(ctx = BN_CTX_new())
199 /* Fails the prime test */
200 && TEST_true(BN_set_word(e, 0x1))
201 && TEST_false(ossl_rsa_check_prime_factor(bn_p1, e, 72, ctx))
202 /* p is prime and in range and gcd(p-1, e) = 1 */
203 && TEST_true(ossl_rsa_check_prime_factor(bn_p2, e, 72, ctx))
204 /* gcd(p-1,e) = 1 test fails */
205 && TEST_true(BN_set_word(e, 0x2))
206 && TEST_false(ossl_rsa_check_prime_factor(p, e, 72, ctx))
207 /* p fails the range check */
208 && TEST_true(BN_set_word(e, 0x1))
209 && TEST_false(ossl_rsa_check_prime_factor(bn_p3, e, 72, ctx));
210
211 BN_free(bn_p3);
212 BN_free(bn_p2);
213 BN_free(bn_p1);
214 BN_free(e);
215 BN_free(p);
216 BN_CTX_free(ctx);
217 return ret;
218}
219
220/* This test uses legacy functions because they can take invalid numbers */
221static int test_check_private_exponent(void)
222{
223 int ret = 0;
224 RSA *key = NULL;
225 BN_CTX *ctx = NULL;
226 BIGNUM *p = NULL, *q = NULL, *e = NULL, *d = NULL, *n = NULL;
227
228 ret = TEST_ptr(key = RSA_new())
229 && TEST_ptr(ctx = BN_CTX_new())
230 && TEST_ptr(p = BN_new())
231 && TEST_ptr(q = BN_new())
232 /* lcm(15-1,17-1) = 14*16 / 2 = 112 */
233 && TEST_true(BN_set_word(p, 15))
234 && TEST_true(BN_set_word(q, 17))
235 && TEST_true(RSA_set0_factors(key, p, q));
236 if (!ret) {
237 BN_free(p);
238 BN_free(q);
239 goto end;
240 }
241
242 ret = TEST_ptr(e = BN_new())
243 && TEST_ptr(d = BN_new())
244 && TEST_ptr(n = BN_new())
245 && TEST_true(BN_set_word(e, 5))
246 && TEST_true(BN_set_word(d, 157))
247 && TEST_true(BN_set_word(n, 15*17))
248 && TEST_true(RSA_set0_key(key, n, e, d));
249 if (!ret) {
250 BN_free(e);
251 BN_free(d);
252 BN_free(n);
253 goto end;
254 }
255 /* fails since d >= lcm(p-1, q-1) */
256 ret = TEST_false(ossl_rsa_check_private_exponent(key, 8, ctx))
257 && TEST_true(BN_set_word(d, 45))
258 /* d is correct size and 1 = e.d mod lcm(p-1, q-1) */
259 && TEST_true(ossl_rsa_check_private_exponent(key, 8, ctx))
260 /* d is too small compared to nbits */
261 && TEST_false(ossl_rsa_check_private_exponent(key, 16, ctx))
262 /* d is too small compared to nbits */
263 && TEST_true(BN_set_word(d, 16))
264 && TEST_false(ossl_rsa_check_private_exponent(key, 8, ctx))
265 /* fail if 1 != e.d mod lcm(p-1, q-1) */
266 && TEST_true(BN_set_word(d, 46))
267 && TEST_false(ossl_rsa_check_private_exponent(key, 8, ctx));
268end:
269 RSA_free(key);
270 BN_CTX_free(ctx);
271 return ret;
272}
273
274static int test_check_crt_components(void)
275{
276 const int P = 15;
277 const int Q = 17;
278 const int E = 5;
279 const int N = P*Q;
280 const int DP = 3;
281 const int DQ = 13;
282 const int QINV = 8;
283
284 int ret = 0;
285 RSA *key = NULL;
286 BN_CTX *ctx = NULL;
287 BIGNUM *p = NULL, *q = NULL, *e = NULL;
288
289 ret = TEST_ptr(key = RSA_new())
290 && TEST_ptr(ctx = BN_CTX_new())
291 && TEST_ptr(p = BN_new())
292 && TEST_ptr(q = BN_new())
293 && TEST_ptr(e = BN_new())
294 && TEST_true(BN_set_word(p, P))
295 && TEST_true(BN_set_word(q, Q))
296 && TEST_true(BN_set_word(e, E))
297 && TEST_true(RSA_set0_factors(key, p, q));
298 if (!ret) {
299 BN_free(p);
300 BN_free(q);
301 goto end;
302 }
303 ret = TEST_true(ossl_rsa_sp800_56b_derive_params_from_pq(key, 8, e, ctx))
304 && TEST_BN_eq_word(key->n, N)
305 && TEST_BN_eq_word(key->dmp1, DP)
306 && TEST_BN_eq_word(key->dmq1, DQ)
307 && TEST_BN_eq_word(key->iqmp, QINV)
308 && TEST_true(ossl_rsa_check_crt_components(key, ctx))
309 /* (a) 1 < dP < (p – 1). */
310 && TEST_true(BN_set_word(key->dmp1, 1))
311 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
312 && TEST_true(BN_set_word(key->dmp1, P-1))
313 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
314 && TEST_true(BN_set_word(key->dmp1, DP))
315 /* (b) 1 < dQ < (q - 1). */
316 && TEST_true(BN_set_word(key->dmq1, 1))
317 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
318 && TEST_true(BN_set_word(key->dmq1, Q-1))
319 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
320 && TEST_true(BN_set_word(key->dmq1, DQ))
321 /* (c) 1 < qInv < p */
322 && TEST_true(BN_set_word(key->iqmp, 1))
323 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
324 && TEST_true(BN_set_word(key->iqmp, P))
325 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
326 && TEST_true(BN_set_word(key->iqmp, QINV))
327 /* (d) 1 = (dP . e) mod (p - 1)*/
328 && TEST_true(BN_set_word(key->dmp1, DP+1))
329 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
330 && TEST_true(BN_set_word(key->dmp1, DP))
331 /* (e) 1 = (dQ . e) mod (q - 1) */
332 && TEST_true(BN_set_word(key->dmq1, DQ-1))
333 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
334 && TEST_true(BN_set_word(key->dmq1, DQ))
335 /* (f) 1 = (qInv . q) mod p */
336 && TEST_true(BN_set_word(key->iqmp, QINV+1))
337 && TEST_false(ossl_rsa_check_crt_components(key, ctx))
338 && TEST_true(BN_set_word(key->iqmp, QINV))
339 /* check defaults are still valid */
340 && TEST_true(ossl_rsa_check_crt_components(key, ctx));
341end:
342 BN_free(e);
343 RSA_free(key);
344 BN_CTX_free(ctx);
345 return ret;
346}
347
348static int test_pq_diff(void)
349{
350 int ret = 0;
351 BIGNUM *tmp = NULL, *p = NULL, *q = NULL;
352
353 ret = TEST_ptr(tmp = BN_new())
354 && TEST_ptr(p = BN_new())
355 && TEST_ptr(q = BN_new())
356 /* |1-(2+1)| > 2^1 */
357 && TEST_true(BN_set_word(p, 1))
358 && TEST_true(BN_set_word(q, 1+2))
359 && TEST_false(ossl_rsa_check_pminusq_diff(tmp, p, q, 202))
360 /* Check |p - q| > 2^(nbits/2 - 100) */
361 && TEST_true(BN_set_word(q, 1+3))
362 && TEST_true(ossl_rsa_check_pminusq_diff(tmp, p, q, 202))
363 && TEST_true(BN_set_word(p, 1+3))
364 && TEST_true(BN_set_word(q, 1))
365 && TEST_true(ossl_rsa_check_pminusq_diff(tmp, p, q, 202));
366 BN_free(p);
367 BN_free(q);
368 BN_free(tmp);
369 return ret;
370}
371
372static int test_invalid_keypair(void)
373{
374 int ret = 0;
375 RSA *key = NULL;
376 BN_CTX *ctx = NULL;
377 BIGNUM *p = NULL, *q = NULL, *n = NULL, *e = NULL, *d = NULL;
378
379 ret = TEST_ptr(key = RSA_new())
380 && TEST_ptr(ctx = BN_CTX_new())
381 /* NULL parameters */
382 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, -1, 2048))
383 /* load key */
384 && TEST_ptr(p = bn_load_new(cav_p, sizeof(cav_p)))
385 && TEST_ptr(q = bn_load_new(cav_q, sizeof(cav_q)))
386 && TEST_true(RSA_set0_factors(key, p, q));
387 if (!ret) {
388 BN_free(p);
389 BN_free(q);
390 goto end;
391 }
392
393 ret = TEST_ptr(e = bn_load_new(cav_e, sizeof(cav_e)))
394 && TEST_ptr(n = bn_load_new(cav_n, sizeof(cav_n)))
395 && TEST_ptr(d = bn_load_new(cav_d, sizeof(cav_d)))
396 && TEST_true(RSA_set0_key(key, n, e, d));
397 if (!ret) {
398 BN_free(e);
399 BN_free(n);
400 BN_free(d);
401 goto end;
402 }
403 /* bad strength/key size */
404 ret = TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, 100, 2048))
405 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, 112, 1024))
406 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, 128, 2048))
407 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, 140, 3072))
408 /* mismatching exponent */
409 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, BN_value_one(),
410 -1, 2048))
411 /* bad exponent */
412 && TEST_true(BN_add_word(e, 1))
413 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, -1, 2048))
414 && TEST_true(BN_sub_word(e, 1))
415
416 /* mismatch between bits and modulus */
417 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, -1, 3072))
418 && TEST_true(ossl_rsa_sp800_56b_check_keypair(key, e, 112, 2048))
419 /* check n == pq failure */
420 && TEST_true(BN_add_word(n, 1))
421 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, -1, 2048))
422 && TEST_true(BN_sub_word(n, 1))
423 /* check p */
424 && TEST_true(BN_sub_word(p, 2))
425 && TEST_true(BN_mul(n, p, q, ctx))
426 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, -1, 2048))
427 && TEST_true(BN_add_word(p, 2))
428 && TEST_true(BN_mul(n, p, q, ctx))
429 /* check q */
430 && TEST_true(BN_sub_word(q, 2))
431 && TEST_true(BN_mul(n, p, q, ctx))
432 && TEST_false(ossl_rsa_sp800_56b_check_keypair(key, NULL, -1, 2048))
433 && TEST_true(BN_add_word(q, 2))
434 && TEST_true(BN_mul(n, p, q, ctx));
435end:
436 RSA_free(key);
437 BN_CTX_free(ctx);
438 return ret;
439}
440
441static int keygen_size[] =
442{
443 2048, 3072
444};
445
446static int test_sp80056b_keygen(int id)
447{
448 RSA *key = NULL;
449 int ret;
450 int sz = keygen_size[id];
451
452 ret = TEST_ptr(key = RSA_new())
453 && TEST_true(ossl_rsa_sp800_56b_generate_key(key, sz, NULL, NULL))
454 && TEST_true(ossl_rsa_sp800_56b_check_public(key))
455 && TEST_true(ossl_rsa_sp800_56b_check_private(key))
456 && TEST_true(ossl_rsa_sp800_56b_check_keypair(key, NULL, -1, sz));
457
458 RSA_free(key);
459 return ret;
460}
461
462static int test_check_private_key(void)
463{
464 int ret = 0;
465 BIGNUM *n = NULL, *d = NULL, *e = NULL;
466 RSA *key = NULL;
467
468 ret = TEST_ptr(key = RSA_new())
469 /* check NULL pointers fail */
470 && TEST_false(ossl_rsa_sp800_56b_check_private(key))
471 /* load private key */
472 && TEST_ptr(n = bn_load_new(cav_n, sizeof(cav_n)))
473 && TEST_ptr(d = bn_load_new(cav_d, sizeof(cav_d)))
474 && TEST_ptr(e = bn_load_new(cav_e, sizeof(cav_e)))
475 && TEST_true(RSA_set0_key(key, n, e, d));
476 if (!ret) {
477 BN_free(n);
478 BN_free(e);
479 BN_free(d);
480 goto end;
481 }
482 /* check d is in range */
483 ret = TEST_true(ossl_rsa_sp800_56b_check_private(key))
484 /* check d is too low */
485 && TEST_true(BN_set_word(d, 0))
486 && TEST_false(ossl_rsa_sp800_56b_check_private(key))
487 /* check d is too high */
488 && TEST_ptr(BN_copy(d, n))
489 && TEST_false(ossl_rsa_sp800_56b_check_private(key));
490end:
491 RSA_free(key);
492 return ret;
493}
494
495static int test_check_public_key(void)
496{
497 int ret = 0;
498 BIGNUM *n = NULL, *e = NULL;
499 RSA *key = NULL;
500
501 ret = TEST_ptr(key = RSA_new())
502 /* check NULL pointers fail */
503 && TEST_false(ossl_rsa_sp800_56b_check_public(key))
504 /* load public key */
505 && TEST_ptr(e = bn_load_new(cav_e, sizeof(cav_e)))
506 && TEST_ptr(n = bn_load_new(cav_n, sizeof(cav_n)))
507 && TEST_true(RSA_set0_key(key, n, e, NULL));
508 if (!ret) {
509 BN_free(e);
510 BN_free(n);
511 goto end;
512 }
513 /* check public key is valid */
514 ret = TEST_true(ossl_rsa_sp800_56b_check_public(key))
515 /* check fail if n is even */
516 && TEST_true(BN_add_word(n, 1))
517 && TEST_false(ossl_rsa_sp800_56b_check_public(key))
518 && TEST_true(BN_sub_word(n, 1))
519 /* check fail if n is wrong number of bits */
520 && TEST_true(BN_lshift1(n, n))
521 && TEST_false(ossl_rsa_sp800_56b_check_public(key))
522 && TEST_true(BN_rshift1(n, n))
523 /* test odd exponent fails */
524 && TEST_true(BN_add_word(e, 1))
525 && TEST_false(ossl_rsa_sp800_56b_check_public(key))
526 && TEST_true(BN_sub_word(e, 1))
527 /* modulus fails composite check */
528 && TEST_true(BN_add_word(n, 2))
529 && TEST_false(ossl_rsa_sp800_56b_check_public(key));
530end:
531 RSA_free(key);
532 return ret;
533}
534
535int setup_tests(void)
536{
537 ADD_TEST(test_check_public_exponent);
538 ADD_TEST(test_check_prime_factor_range);
539 ADD_TEST(test_check_prime_factor);
540 ADD_TEST(test_check_private_exponent);
541 ADD_TEST(test_check_crt_components);
542 ADD_TEST(test_check_private_key);
543 ADD_TEST(test_check_public_key);
544 ADD_TEST(test_invalid_keypair);
545 ADD_TEST(test_pq_diff);
546 ADD_ALL_TESTS(test_sp80056b_keygen, (int)OSSL_NELEM(keygen_size));
547 return 1;
548}
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