OpenCoverage

drbg_lib.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/rand/drbg_lib.c

Source code

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Line Source Count

1 /* -

3 * -

4 * Licensed under the OpenSSL license (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 #include <string.h> -

11 #include <openssl/crypto.h> -

12 #include <openssl/err.h> -

13 #include <openssl/rand.h> -

14 #include "rand_lcl.h" -

15 #include "internal/thread_once.h" -

16 #include "internal/rand_int.h" -

17 #include "internal/cryptlib_int.h" -

18 -

19 /* -

20 * Support framework for NIST SP 800-90A DRBG -

21 * -

22 * See manual page RAND_DRBG(7) for a general overview. -

23 * -

24 * The OpenSSL model is to have new and free functions, and that new -

25 * does all initialization. That is not the NIST model, which has -

26 * instantiation and un-instantiate, and re-use within a new/free -

27 * lifecycle. (No doubt this comes from the desire to support hardware -

28 * DRBG, where allocation of resources on something like an HSM is -

29 * a much bigger deal than just re-setting an allocated resource.) -

30 */ -

31 -

32 /* -

33 * The three shared DRBG instances -

34 * -

35 * There are three shared DRBG instances: <master>, <public>, and <private>. -

36 */ -

37 -

38 /* -

39 * The <master> DRBG -

40 * -

41 * Not used directly by the application, only for reseeding the two other -

42 * DRBGs. It reseeds itself by pulling either randomness from os entropy -

43 * sources or by consuming randomness which was added by RAND_add(). -

44 * -

45 * The <master> DRBG is a global instance which is accessed concurrently by -

46 * all threads. The necessary locking is managed automatically by its child -

47 * DRBG instances during reseeding. -

48 */ -

49 static RAND_DRBG *master_drbg; -

50 /* -

51 * The <public> DRBG -

52 * -

53 * Used by default for generating random bytes using RAND_bytes(). -

54 * -

55 * The <public> DRBG is thread-local, i.e., there is one instance per thread. -

56 */ -

57 static CRYPTO_THREAD_LOCAL public_drbg; -

58 /* -

59 * The <private> DRBG -

60 * -

61 * Used by default for generating private keys using RAND_priv_bytes() -

62 * -

63 * The <private> DRBG is thread-local, i.e., there is one instance per thread. -

64 */ -

65 static CRYPTO_THREAD_LOCAL private_drbg; -

66 -

67 -

68 -

69 /* NIST SP 800-90A DRBG recommends the use of a personalization string. */ -

70 static const char ossl_pers_string[] = "OpenSSL NIST SP 800-90A DRBG"; -

71 -

72 static CRYPTO_ONCE rand_drbg_init = CRYPTO_ONCE_STATIC_INIT; -

73 -

74 -

75 -

76 static int rand_drbg_type = RAND_DRBG_TYPE; -

77 static unsigned int rand_drbg_flags = RAND_DRBG_FLAGS; -

78 -

79 static unsigned int master_reseed_interval = MASTER_RESEED_INTERVAL; -

80 static unsigned int slave_reseed_interval = SLAVE_RESEED_INTERVAL; -

81 -

82 static time_t master_reseed_time_interval = MASTER_RESEED_TIME_INTERVAL; -

83 static time_t slave_reseed_time_interval = SLAVE_RESEED_TIME_INTERVAL; -

84 -

85 /* A logical OR of all used DRBG flag bits (currently there is only one) */ -

86 static const unsigned int rand_drbg_used_flags = -

87 RAND_DRBG_FLAG_CTR_NO_DF; -

88 -

89 static RAND_DRBG *drbg_setup(RAND_DRBG *parent); -

90 -

91 static RAND_DRBG *rand_drbg_new(int secure, -

92 int type, -

93 unsigned int flags, -

94 RAND_DRBG *parent); -

95 -

96 /* -

98 * -

99 * If |type| and |flags| are zero, use the defaults -

100 * -

101 * Returns 1 on success, 0 on failure. -

102 */ -

103 int RAND_DRBG_set(RAND_DRBG *drbg, int type, unsigned int flags) -

104 { -

105 int ret = 1; -

106 -

107

if (type == 0 && flags == 0) {

type == 0	Description
TRUE	evaluated 6 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 14791 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

flags == 0	Description
TRUE	evaluated 6 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-14791

108 type = rand_drbg_type; -

109 flags = rand_drbg_flags; -

110

}

executed 6 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

111 -

112 drbg->state = DRBG_UNINITIALISED; -

113 drbg->flags = flags; -

114 drbg->type = type; -

115 -

116 switch (type) { -

117

default:

never executed: default:

118 RANDerr(RAND_F_RAND_DRBG_SET, RAND_R_UNSUPPORTED_DRBG_TYPE); -

119

return 0;

never executed: return 0;

120

case 0:

never executed: case 0:

121 /* Uninitialized; that's okay. */ -

122

return 1;

never executed: return 1;

123

case NID_aes_128_ctr:

executed 4332 times by 1 test: case 904:

Executed by:

libcrypto.so.1.1

4332

124

case NID_aes_192_ctr:

executed 4332 times by 1 test: case 905:

Executed by:

libcrypto.so.1.1

4332

125

case NID_aes_256_ctr:

executed 6133 times by 2 tests: case 906:

Executed by:

libcrypto.so.1.1
sm2_internal_test

6133

126 ret = drbg_ctr_init(drbg); -

127

break;

executed 14797 times by 2 tests: break;

Executed by:

libcrypto.so.1.1
sm2_internal_test

14797

128 } -

129 -

130

if (ret == 0)

ret == 0	Description
TRUE	never evaluated
FALSE	evaluated 14797 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-14797

131

RANDerr(RAND_F_RAND_DRBG_SET, RAND_R_ERROR_INITIALISING_DRBG);

never executed: ERR_put_error(36,(104),(107),__FILE__,131);

132

return ret;

executed 14797 times by 2 tests: return ret;

Executed by:

libcrypto.so.1.1
sm2_internal_test

14797

133 } -

134 -

135 /* -

136 * Set/initialize default |type| and |flag| for new drbg instances. -

137 * -

138 * Returns 1 on success, 0 on failure. -

139 */ -

140 int RAND_DRBG_set_defaults(int type, unsigned int flags) -

141 { -

142 int ret = 1; -

143 -

144 switch (type) { -

145

default:

never executed: default:

146 RANDerr(RAND_F_RAND_DRBG_SET_DEFAULTS, RAND_R_UNSUPPORTED_DRBG_TYPE); -

147

return 0;

never executed: return 0;

148

case NID_aes_128_ctr:

never executed: case 904:

149

case NID_aes_192_ctr:

never executed: case 905:

150

case NID_aes_256_ctr:

never executed: case 906:

151

break;

never executed: break;

152 } -

153 -

154

if ((flags & ~rand_drbg_used_flags) != 0) {

(flags & ~rand...ed_flags) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

155 RANDerr(RAND_F_RAND_DRBG_SET_DEFAULTS, RAND_R_UNSUPPORTED_DRBG_FLAGS); -

156

return 0;

never executed: return 0;

157 } -

158 -

159 rand_drbg_type = type; -

160 rand_drbg_flags = flags; -

161 -

162

return ret;

never executed: return ret;

163 } -

164 -

165 -

166 /* -

167 * Allocate memory and initialize a new DRBG. The DRBG is allocated on -

168 * the secure heap if |secure| is nonzero and the secure heap is enabled. -

169 * The |parent|, if not NULL, will be used as random source for reseeding. -

170 * -

171 * Returns a pointer to the new DRBG instance on success, NULL on failure. -

172 */ -

173 static RAND_DRBG *rand_drbg_new(int secure, -

174 int type, -

175 unsigned int flags, -

176 RAND_DRBG *parent) -

177 { -

178

RAND_DRBG *drbg = secure ?

secure	Description
TRUE	evaluated 1787 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 4332 times by 1 test Evaluated by: libcrypto.so.1.1

1787-4332

179 OPENSSL_secure_zalloc(sizeof(*drbg)) : OPENSSL_zalloc(sizeof(*drbg)); -

180 -

181

if (drbg == NULL) {

drbg == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 6119 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6119

182 RANDerr(RAND_F_RAND_DRBG_NEW, ERR_R_MALLOC_FAILURE); -

183

return NULL;

never executed: return ((void *)0) ;

184 } -

185 -

186

drbg->secure = secure && CRYPTO_secure_allocated(drbg);

secure	Description
TRUE	evaluated 1787 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 4332 times by 1 test Evaluated by: libcrypto.so.1.1

CRYPTO_secure_allocated(drbg)	Description
TRUE	never evaluated
FALSE	evaluated 1787 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-4332

187 drbg->fork_count = rand_fork_count; -

188 drbg->parent = parent; -

189 -

190

if (parent == NULL) {

parent == ((void *)0)	Description
TRUE	evaluated 5111 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 1008 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

1008-5111

191 drbg->get_entropy = rand_drbg_get_entropy; -

192 drbg->cleanup_entropy = rand_drbg_cleanup_entropy; -

193 #ifndef RAND_DRBG_GET_RANDOM_NONCE -

194 drbg->get_nonce = rand_drbg_get_nonce; -

195 drbg->cleanup_nonce = rand_drbg_cleanup_nonce; -

196 #endif -

197 -

198 drbg->reseed_interval = master_reseed_interval; -

199 drbg->reseed_time_interval = master_reseed_time_interval; -

200

} else {

executed 5111 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

5111

201 drbg->get_entropy = rand_drbg_get_entropy; -

202 drbg->cleanup_entropy = rand_drbg_cleanup_entropy; -

203 /* -

204 * Do not provide nonce callbacks, the child DRBGs will -

205 * obtain their nonce using random bits from the parent. -

206 */ -

207 -

208 drbg->reseed_interval = slave_reseed_interval; -

209 drbg->reseed_time_interval = slave_reseed_time_interval; -

210

}

executed 1008 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

1008

211 -

212

if (RAND_DRBG_set(drbg, type, flags) == 0)

RAND_DRBG_set(...e, flags) == 0	Description
TRUE	never evaluated
FALSE	evaluated 6119 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6119

213

goto err;

never executed: goto err;

214 -

215

if (parent != NULL) {

parent != ((void *)0)	Description
TRUE	evaluated 1008 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 5111 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

1008-5111

216 rand_drbg_lock(parent); -

217

if (drbg->strength > parent->strength) {

drbg->strength...rent->strength	Description
TRUE	never evaluated
FALSE	evaluated 1008 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1008

218 /* -

219 * We currently don't support the algorithm from NIST SP 800-90C -

220 * 10.1.2 to use a weaker DRBG as source -

221 */ -

222 rand_drbg_unlock(parent); -

223 RANDerr(RAND_F_RAND_DRBG_NEW, RAND_R_PARENT_STRENGTH_TOO_WEAK); -

224

goto err;

never executed: goto err;

225 } -

226 rand_drbg_unlock(parent); -

227

}

executed 1008 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

1008

228 -

229

return drbg;

executed 6119 times by 2 tests: return drbg;

Executed by:

libcrypto.so.1.1
sm2_internal_test

6119

230 -

231 err: -

232

if (drbg->secure)

drbg->secure	Description
TRUE	never evaluated
FALSE	never evaluated

233

OPENSSL_secure_free(drbg);

never executed: CRYPTO_secure_free(drbg, __FILE__, 233);

234 else -

235

OPENSSL_free(drbg);

never executed: CRYPTO_free(drbg, __FILE__, 235);

236 -

237

return NULL;

never executed: return ((void *)0) ;

238 } -

239 -

240 RAND_DRBG *RAND_DRBG_new(int type, unsigned int flags, RAND_DRBG *parent) -

241 { -

242

return rand_drbg_new(0, type, flags, parent);

executed 4332 times by 1 test: return rand_drbg_new(0, type, flags, parent);

Executed by:

libcrypto.so.1.1

4332

243 } -

244 -

245 RAND_DRBG *RAND_DRBG_secure_new(int type, unsigned int flags, RAND_DRBG *parent) -

246 { -

247

return rand_drbg_new(1, type, flags, parent);

executed 1787 times by 2 tests: return rand_drbg_new(1, type, flags, parent);

Executed by:

libcrypto.so.1.1
sm2_internal_test

1787

248 } -

249 -

250 /* -

251 * Uninstantiate |drbg| and free all memory. -

252 */ -

253 void RAND_DRBG_free(RAND_DRBG *drbg) -

254 { -

255

if (drbg == NULL)

drbg == ((void *)0)	Description
TRUE	evaluated 556 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 6119 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

556-6119

256

return;

executed 556 times by 2 tests: return;

Executed by:

libcrypto.so.1.1
sm2_internal_test

556

257 -

258

if (drbg->meth != NULL)

drbg->meth != ((void *)0)	Description
TRUE	evaluated 6119 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-6119

259

drbg->meth->uninstantiate(drbg);

executed 6119 times by 2 tests: drbg->meth->uninstantiate(drbg);

Executed by:

libcrypto.so.1.1
sm2_internal_test

6119

260 CRYPTO_THREAD_lock_free(drbg->lock); -

261 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DRBG, drbg, &drbg->ex_data); -

262 -

263

if (drbg->secure)

drbg->secure	Description
TRUE	never evaluated
FALSE	evaluated 6119 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6119

264

OPENSSL_secure_clear_free(drbg, sizeof(*drbg));

never executed: CRYPTO_secure_clear_free(drbg, sizeof(*drbg), __FILE__, 264);

265 else -

266

OPENSSL_clear_free(drbg, sizeof(*drbg));

executed 6119 times by 2 tests: CRYPTO_clear_free(drbg, sizeof(*drbg), __FILE__, 266);

Executed by:

libcrypto.so.1.1
sm2_internal_test

6119

267 } -

268 -

269 /* -

270 * Instantiate |drbg|, after it has been initialized. Use |pers| and -

271 * |perslen| as prediction-resistance input. -

272 * -

273 * Requires that drbg->lock is already locked for write, if non-null. -

274 * -

275 * Returns 1 on success, 0 on failure. -

276 */ -

277 int RAND_DRBG_instantiate(RAND_DRBG *drbg, -

278 const unsigned char *pers, size_t perslen) -

279 { -

280 unsigned char *nonce = NULL, *entropy = NULL; -

281 size_t noncelen = 0, entropylen = 0; -

282 size_t min_entropy = drbg->strength; -

283 size_t min_entropylen = drbg->min_entropylen; -

284 size_t max_entropylen = drbg->max_entropylen; -

285 -

286

if (perslen > drbg->max_perslen) {

perslen > drbg->max_perslen	Description
TRUE	evaluated 6 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 6134 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

6-6134

287 RANDerr(RAND_F_RAND_DRBG_INSTANTIATE, -

288 RAND_R_PERSONALISATION_STRING_TOO_LONG); -

289

goto end;

executed 6 times by 1 test: goto end;

Executed by:

libcrypto.so.1.1

290 } -

291 -

292

if (drbg->meth == NULL) {

drbg->meth == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 6134 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6134

293 RANDerr(RAND_F_RAND_DRBG_INSTANTIATE, -

294 RAND_R_NO_DRBG_IMPLEMENTATION_SELECTED); -

295

goto end;

never executed: goto end;

296 } -

297 -

298

if (drbg->state != DRBG_UNINITIALISED) {

drbg->state !=..._UNINITIALISED	Description
TRUE	evaluated 1 time by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 6133 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

1-6133

299 RANDerr(RAND_F_RAND_DRBG_INSTANTIATE, -

300 drbg->state == DRBG_ERROR ? RAND_R_IN_ERROR_STATE -

301 : RAND_R_ALREADY_INSTANTIATED); -

302

goto end;

executed 1 time by 1 test: goto end;

Executed by:

libcrypto.so.1.1

303 } -

304 -

305 drbg->state = DRBG_ERROR; -

306 -

307 /* -

308 * NIST SP800-90Ar1 section 9.1 says you can combine getting the entropy -

309 * and nonce in 1 call by increasing the entropy with 50% and increasing -

310 * the minimum length to accomadate the length of the nonce. -

311 * We do this in case a nonce is require and get_nonce is NULL. -

312 */ -

313

if (drbg->min_noncelen > 0 && drbg->get_nonce == NULL) {

drbg->min_noncelen > 0	Description
TRUE	evaluated 3964 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 2169 times by 1 test Evaluated by: libcrypto.so.1.1

drbg->get_nonce == ((void *)0)	Description
TRUE	evaluated 1012 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 2952 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

1012-3964

314 min_entropy += drbg->strength / 2; -

315 min_entropylen += drbg->min_noncelen; -

316 max_entropylen += drbg->max_noncelen; -

317

}

executed 1012 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

1012

318 -

319

if (drbg->get_entropy != NULL)

drbg->get_entr...!= ((void *)0)	Description
TRUE	evaluated 6133 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-6133

320

entropylen = drbg->get_entropy(drbg, &entropy, min_entropy,

executed 6133 times by 2 tests: entropylen = drbg->get_entropy(drbg, &entropy, min_entropy, min_entropylen, max_entropylen, 0);

Executed by:

libcrypto.so.1.1
sm2_internal_test

6133

321

min_entropylen, max_entropylen, 0);

executed 6133 times by 2 tests: entropylen = drbg->get_entropy(drbg, &entropy, min_entropy, min_entropylen, max_entropylen, 0);

Executed by:

libcrypto.so.1.1
sm2_internal_test

6133

322

if (entropylen < min_entropylen

entropylen < min_entropylen	Description
TRUE	evaluated 8 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 6125 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

8-6125

323

|| entropylen > max_entropylen) {

entropylen > max_entropylen	Description
TRUE	never evaluated
FALSE	evaluated 6125 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6125

324 RANDerr(RAND_F_RAND_DRBG_INSTANTIATE, RAND_R_ERROR_RETRIEVING_ENTROPY); -

325

goto end;

executed 8 times by 1 test: goto end;

Executed by:

libcrypto.so.1.1

326 } -

327 -

328

if (drbg->min_noncelen > 0 && drbg->get_nonce != NULL) {

drbg->min_noncelen > 0	Description
TRUE	evaluated 3959 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 2166 times by 1 test Evaluated by: libcrypto.so.1.1

drbg->get_nonce != ((void *)0)	Description
TRUE	evaluated 2947 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 1012 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

1012-3959

329 noncelen = drbg->get_nonce(drbg, &nonce, drbg->strength / 2, -

330 drbg->min_noncelen, drbg->max_noncelen); -

331

if (noncelen < drbg->min_noncelen || noncelen > drbg->max_noncelen) {

noncelen < drbg->min_noncelen	Description
TRUE	never evaluated
FALSE	evaluated 2947 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

noncelen > drbg->max_noncelen	Description
TRUE	never evaluated
FALSE	evaluated 2947 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-2947

332 RANDerr(RAND_F_RAND_DRBG_INSTANTIATE, RAND_R_ERROR_RETRIEVING_NONCE); -

333

goto end;

never executed: goto end;

334 } -

335

}

executed 2947 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

2947

336 -

337

if (!drbg->meth->instantiate(drbg, entropy, entropylen,

!drbg->meth->i...pers, perslen)	Description
TRUE	never evaluated
FALSE	evaluated 6125 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6125

338

nonce, noncelen, pers, perslen)) {

!drbg->meth->i...pers, perslen)	Description
TRUE	never evaluated
FALSE	evaluated 6125 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6125

339 RANDerr(RAND_F_RAND_DRBG_INSTANTIATE, RAND_R_ERROR_INSTANTIATING_DRBG); -

340

goto end;

never executed: goto end;

341 } -

342 -

343 drbg->state = DRBG_READY; -

344 drbg->generate_counter = 0; -

345 drbg->reseed_time = time(NULL); -

346

if (drbg->reseed_counter > 0) {

drbg->reseed_counter > 0	Description
TRUE	evaluated 1793 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 4332 times by 1 test Evaluated by: libcrypto.so.1.1

1793-4332

347

if (drbg->parent == NULL)

drbg->parent == ((void *)0)	Description
TRUE	evaluated 781 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 1012 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

781-1012

348

drbg->reseed_counter++;

executed 781 times by 2 tests: drbg->reseed_counter++;

Executed by:

libcrypto.so.1.1
sm2_internal_test

781

349 else -

350

drbg->reseed_counter = drbg->parent->reseed_counter;

executed 1012 times by 2 tests: drbg->reseed_counter = drbg->parent->reseed_counter;

Executed by:

libcrypto.so.1.1
sm2_internal_test

1012

351 } -

352 -

353

end:

code before this statement executed 6125 times by 2 tests: end:

Executed by:

libcrypto.so.1.1
sm2_internal_test

6125

354

if (entropy != NULL && drbg->cleanup_entropy != NULL)

entropy != ((void *)0)	Description
TRUE	evaluated 6131 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 9 times by 1 test Evaluated by: libcrypto.so.1.1

drbg->cleanup_...!= ((void *)0)	Description
TRUE	evaluated 1793 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 4338 times by 1 test Evaluated by: libcrypto.so.1.1

9-6131

355

drbg->cleanup_entropy(drbg, entropy, entropylen);

executed 1793 times by 2 tests: drbg->cleanup_entropy(drbg, entropy, entropylen);

Executed by:

libcrypto.so.1.1
sm2_internal_test

1793

356

if (nonce != NULL && drbg->cleanup_nonce!= NULL )

nonce != ((void *)0)	Description
TRUE	evaluated 2947 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 3193 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

drbg->cleanup_...!= ((void *)0)	Description
TRUE	evaluated 781 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 2166 times by 1 test Evaluated by: libcrypto.so.1.1

781-3193

357

drbg->cleanup_nonce(drbg, nonce, noncelen);

executed 781 times by 2 tests: drbg->cleanup_nonce(drbg, nonce, noncelen);

Executed by:

libcrypto.so.1.1
sm2_internal_test

781

358

if (drbg->pool != NULL) {

drbg->pool != ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 6140 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-6140

359

if (drbg->state == DRBG_READY) {

drbg->state == DRBG_READY	Description
TRUE	never evaluated
FALSE	never evaluated

360 RANDerr(RAND_F_RAND_DRBG_INSTANTIATE, -

361 RAND_R_ERROR_ENTROPY_POOL_WAS_IGNORED); -

362 drbg->state = DRBG_ERROR; -

363

}

never executed: end of block

364 rand_pool_free(drbg->pool); -

365 drbg->pool = NULL; -

366

}

never executed: end of block

367

if (drbg->state == DRBG_READY)

drbg->state == DRBG_READY	Description
TRUE	evaluated 6126 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 14 times by 1 test Evaluated by: libcrypto.so.1.1

14-6126

368

return 1;

executed 6126 times by 2 tests: return 1;

Executed by:

libcrypto.so.1.1
sm2_internal_test

6126

369

return 0;

executed 14 times by 1 test: return 0;

Executed by:

libcrypto.so.1.1

370 } -

371 -

372 /* -

373 * Uninstantiate |drbg|. Must be instantiated before it can be used. -

374 * -

375 * Requires that drbg->lock is already locked for write, if non-null. -

376 * -

377 * Returns 1 on success, 0 on failure. -

378 */ -

379 int RAND_DRBG_uninstantiate(RAND_DRBG *drbg) -

380 { -

381

if (drbg->meth == NULL) {

drbg->meth == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 8666 times by 1 test Evaluated by: libcrypto.so.1.1

0-8666

382 RANDerr(RAND_F_RAND_DRBG_UNINSTANTIATE, -

383 RAND_R_NO_DRBG_IMPLEMENTATION_SELECTED); -

384

return 0;

never executed: return 0;

385 } -

386 -

387 /* Clear the entire drbg->ctr struct, then reset some important -

388 * members of the drbg->ctr struct (e.g. keysize, df_ks) to their -

389 * initial values. -

390 */ -

391 drbg->meth->uninstantiate(drbg); -

392

return RAND_DRBG_set(drbg, drbg->type, drbg->flags);

executed 8666 times by 1 test: return RAND_DRBG_set(drbg, drbg->type, drbg->flags);

Executed by:

libcrypto.so.1.1

8666

393 } -

394 -

395 /* -

396 * Reseed |drbg|, mixing in the specified data -

397 * -

398 * Requires that drbg->lock is already locked for write, if non-null. -

399 * -

400 * Returns 1 on success, 0 on failure. -

401 */ -

402 int RAND_DRBG_reseed(RAND_DRBG *drbg, -

403 const unsigned char *adin, size_t adinlen, -

404 int prediction_resistance) -

405 { -

406 unsigned char *entropy = NULL; -

407 size_t entropylen = 0; -

408 -

409

if (drbg->state == DRBG_ERROR) {

drbg->state == DRBG_ERROR	Description
TRUE	never evaluated
FALSE	evaluated 4402 times by 1 test Evaluated by: libcrypto.so.1.1

0-4402

410 RANDerr(RAND_F_RAND_DRBG_RESEED, RAND_R_IN_ERROR_STATE); -

411

return 0;

never executed: return 0;

412 } -

413

if (drbg->state == DRBG_UNINITIALISED) {

drbg->state ==..._UNINITIALISED	Description
TRUE	never evaluated
FALSE	evaluated 4402 times by 1 test Evaluated by: libcrypto.so.1.1

0-4402

414 RANDerr(RAND_F_RAND_DRBG_RESEED, RAND_R_NOT_INSTANTIATED); -

415

return 0;

never executed: return 0;

416 } -

417 -

418

if (adin == NULL) {

adin == ((void *)0)	Description
TRUE	evaluated 20 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 4382 times by 1 test Evaluated by: libcrypto.so.1.1

20-4382

419 adinlen = 0; -

420

} else if (adinlen > drbg->max_adinlen) {

executed 20 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

adinlen > drbg->max_adinlen	Description
TRUE	never evaluated
FALSE	evaluated 4382 times by 1 test Evaluated by: libcrypto.so.1.1

0-4382

421 RANDerr(RAND_F_RAND_DRBG_RESEED, RAND_R_ADDITIONAL_INPUT_TOO_LONG); -

422

return 0;

never executed: return 0;

423 } -

424 -

425 drbg->state = DRBG_ERROR; -

426

if (drbg->get_entropy != NULL)

drbg->get_entr...!= ((void *)0)	Description
TRUE	evaluated 4403 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-4403

427

entropylen = drbg->get_entropy(drbg, &entropy, drbg->strength,

executed 4403 times by 1 test:

entropylen = drbg->get_entropy(drbg, &entropy, drbg->strength, drbg->min_entropylen, drbg->max_entropylen, prediction_resistance);

Executed by:

libcrypto.so.1.1

4403

428

drbg->min_entropylen,

executed 4403 times by 1 test:

entropylen = drbg->get_entropy(drbg, &entropy, drbg->strength, drbg->min_entropylen, drbg->max_entropylen, prediction_resistance);

Executed by:

libcrypto.so.1.1

4403

429

drbg->max_entropylen,

executed 4403 times by 1 test:

entropylen = drbg->get_entropy(drbg, &entropy, drbg->strength, drbg->min_entropylen, drbg->max_entropylen, prediction_resistance);

Executed by:

libcrypto.so.1.1

4403

430

prediction_resistance);

executed 4403 times by 1 test:

entropylen = drbg->get_entropy(drbg, &entropy, drbg->strength, drbg->min_entropylen, drbg->max_entropylen, prediction_resistance);

Executed by:

libcrypto.so.1.1

4403

431

if (entropylen < drbg->min_entropylen

entropylen < d...min_entropylen	Description
TRUE	evaluated 3 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 4400 times by 1 test Evaluated by: libcrypto.so.1.1

3-4400

432

|| entropylen > drbg->max_entropylen) {

entropylen > d...max_entropylen	Description
TRUE	never evaluated
FALSE	evaluated 4400 times by 1 test Evaluated by: libcrypto.so.1.1

0-4400

433 RANDerr(RAND_F_RAND_DRBG_RESEED, RAND_R_ERROR_RETRIEVING_ENTROPY); -

434

goto end;

executed 3 times by 1 test: goto end;

Executed by:

libcrypto.so.1.1

435 } -

436 -

437

if (!drbg->meth->reseed(drbg, entropy, entropylen, adin, adinlen))

!drbg->meth->r...adin, adinlen)	Description
TRUE	never evaluated
FALSE	evaluated 4400 times by 1 test Evaluated by: libcrypto.so.1.1

0-4400

438

goto end;

never executed: goto end;

439 -

440 drbg->state = DRBG_READY; -

441 drbg->generate_counter = 0; -

442 drbg->reseed_time = time(NULL); -

443

if (drbg->reseed_counter > 0) {

drbg->reseed_counter > 0	Description
TRUE	evaluated 62 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 4338 times by 1 test Evaluated by: libcrypto.so.1.1

62-4338

444

if (drbg->parent == NULL)

drbg->parent == ((void *)0)	Description
TRUE	evaluated 19 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 43 times by 1 test Evaluated by: libcrypto.so.1.1

19-43

445

drbg->reseed_counter++;

executed 19 times by 1 test: drbg->reseed_counter++;

Executed by:

libcrypto.so.1.1

446 else -

447

drbg->reseed_counter = drbg->parent->reseed_counter;

executed 43 times by 1 test: drbg->reseed_counter = drbg->parent->reseed_counter;

Executed by:

libcrypto.so.1.1

448 } -

449 -

450

end:

code before this statement executed 4400 times by 1 test: end:

Executed by:

libcrypto.so.1.1

4400

451

if (entropy != NULL && drbg->cleanup_entropy != NULL)

entropy != ((void *)0)	Description
TRUE	evaluated 4400 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 3 times by 1 test Evaluated by: libcrypto.so.1.1

drbg->cleanup_...!= ((void *)0)	Description
TRUE	evaluated 62 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 4338 times by 1 test Evaluated by: libcrypto.so.1.1

3-4400

452

drbg->cleanup_entropy(drbg, entropy, entropylen);

executed 62 times by 1 test: drbg->cleanup_entropy(drbg, entropy, entropylen);

Executed by:

libcrypto.so.1.1

453

if (drbg->state == DRBG_READY)

drbg->state == DRBG_READY	Description
TRUE	evaluated 4400 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 3 times by 1 test Evaluated by: libcrypto.so.1.1

3-4400

454

return 1;

executed 4400 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

4400

455

return 0;

executed 3 times by 1 test: return 0;

Executed by:

libcrypto.so.1.1

456 } -

457 -

458 /* -

459 * Restart |drbg|, using the specified entropy or additional input -

460 * -

461 * Tries its best to get the drbg instantiated by all means, -

462 * regardless of its current state. -

463 * -

464 * Optionally, a |buffer| of |len| random bytes can be passed, -

465 * which is assumed to contain at least |entropy| bits of entropy. -

466 * -

467 * If |entropy| > 0, the buffer content is used as entropy input. -

468 * -

469 * If |entropy| == 0, the buffer content is used as additional input -

470 * -

471 * Returns 1 on success, 0 on failure. -

472 * -

473 * This function is used internally only. -

474 */ -

475 int rand_drbg_restart(RAND_DRBG *drbg, -

476 const unsigned char *buffer, size_t len, size_t entropy) -

477 { -

478 int reseeded = 0; -

479 const unsigned char *adin = NULL; -

480 size_t adinlen = 0; -

481 -

482

if (drbg->pool != NULL) {

drbg->pool != ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 28 times by 1 test Evaluated by: libcrypto.so.1.1

0-28

483 RANDerr(RAND_F_RAND_DRBG_RESTART, ERR_R_INTERNAL_ERROR); -

484 rand_pool_free(drbg->pool); -

485 drbg->pool = NULL; -

486

}

never executed: end of block

487 -

488

if (buffer != NULL) {

buffer != ((void *)0)	Description
TRUE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 7 times by 1 test Evaluated by: libcrypto.so.1.1

7-21

489

if (entropy > 0) {

entropy > 0	Description
TRUE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-21

490

if (drbg->max_entropylen < len) {

drbg->max_entropylen < len	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1

0-21

491 RANDerr(RAND_F_RAND_DRBG_RESTART, -

492 RAND_R_ENTROPY_INPUT_TOO_LONG); -

493

return 0;

never executed: return 0;

494 } -

495 -

496

if (entropy > 8 * len) {

entropy > 8 * len	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1

0-21

497 RANDerr(RAND_F_RAND_DRBG_RESTART, RAND_R_ENTROPY_OUT_OF_RANGE); -

498

return 0;

never executed: return 0;

499 } -

500 -

501 /* will be picked up by the rand_drbg_get_entropy() callback */ -

502 drbg->pool = rand_pool_new(entropy, len, len); -

503

if (drbg->pool == NULL)

drbg->pool == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1

0-21

504

return 0;

never executed: return 0;

505 -

506 rand_pool_add(drbg->pool, buffer, len, entropy); -

507

} else {

executed 21 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

508

if (drbg->max_adinlen < len) {

drbg->max_adinlen < len	Description
TRUE	never evaluated
FALSE	never evaluated

509 RANDerr(RAND_F_RAND_DRBG_RESTART, -

510 RAND_R_ADDITIONAL_INPUT_TOO_LONG); -

511

return 0;

never executed: return 0;

512 } -

513 adin = buffer; -

514 adinlen = len; -

515

}

never executed: end of block

516 } -

517 -

518 /* repair error state */ -

519

if (drbg->state == DRBG_ERROR)

drbg->state == DRBG_ERROR	Description
TRUE	evaluated 4 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 24 times by 1 test Evaluated by: libcrypto.so.1.1

4-24

520

RAND_DRBG_uninstantiate(drbg);

executed 4 times by 1 test: RAND_DRBG_uninstantiate(drbg);

Executed by:

libcrypto.so.1.1

521 -

522 /* repair uninitialized state */ -

523

if (drbg->state == DRBG_UNINITIALISED) {

drbg->state ==..._UNINITIALISED	Description
TRUE	evaluated 8 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 20 times by 1 test Evaluated by: libcrypto.so.1.1

8-20

524 /* reinstantiate drbg */ -

525 RAND_DRBG_instantiate(drbg, -

526 (const unsigned char *) ossl_pers_string, -

527 sizeof(ossl_pers_string) - 1); -

528 /* already reseeded. prevent second reseeding below */ -

529 reseeded = (drbg->state == DRBG_READY); -

530

}

executed 8 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

531 -

532 /* refresh current state if entropy or additional input has been provided */ -

533

if (drbg->state == DRBG_READY) {

drbg->state == DRBG_READY	Description
TRUE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 2 times by 1 test Evaluated by: libcrypto.so.1.1

2-26

534

if (adin != NULL) {

adin != ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1

0-26

535 /* -

536 * mix in additional input without reseeding -

537 * -

538 * Similar to RAND_DRBG_reseed(), but the provided additional -

539 * data |adin| is mixed into the current state without pulling -

540 * entropy from the trusted entropy source using get_entropy(). -

541 * This is not a reseeding in the strict sense of NIST SP 800-90A. -

542 */ -

543 drbg->meth->reseed(drbg, adin, adinlen, NULL, 0); -

544

} else if (reseeded == 0) {

never executed: end of block

reseeded == 0	Description
TRUE	evaluated 20 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 6 times by 1 test Evaluated by: libcrypto.so.1.1

0-20

545 /* do a full reseeding if it has not been done yet above */ -

546 RAND_DRBG_reseed(drbg, NULL, 0, 0); -

547

}

executed 20 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

548

}

executed 26 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

549 -

550 /* check whether a given entropy pool was cleared properly during reseed */ -

551

if (drbg->pool != NULL) {

drbg->pool != ((void *)0)	Description
TRUE	evaluated 1 time by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 27 times by 1 test Evaluated by: libcrypto.so.1.1

1-27

552 drbg->state = DRBG_ERROR; -

553 RANDerr(RAND_F_RAND_DRBG_RESTART, ERR_R_INTERNAL_ERROR); -

554 rand_pool_free(drbg->pool); -

555 drbg->pool = NULL; -

556

return 0;

executed 1 time by 1 test: return 0;

Executed by:

libcrypto.so.1.1

557 } -

558 -

559

return drbg->state == DRBG_READY;

executed 27 times by 1 test: return drbg->state == DRBG_READY;

Executed by:

libcrypto.so.1.1

560 } -

561 -

562 /* -

563 * Generate |outlen| bytes into the buffer at |out|. Reseed if we need -

564 * to or if |prediction_resistance| is set. Additional input can be -

565 * sent in |adin| and |adinlen|. -

566 * -

567 * Requires that drbg->lock is already locked for write, if non-null. -

568 * -

569 * Returns 1 on success, 0 on failure. -

570 * -

571 */ -

572 int RAND_DRBG_generate(RAND_DRBG *drbg, unsigned char *out, size_t outlen, -

573 int prediction_resistance, -

574 const unsigned char *adin, size_t adinlen) -

575 { -

576 int reseed_required = 0; -

577 -

578

if (drbg->state != DRBG_READY) {

drbg->state != DRBG_READY	Description
TRUE	evaluated 7 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 1038601 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

7-1038601

579 /* try to recover from previous errors */ -

580 rand_drbg_restart(drbg, NULL, 0, 0); -

581 -

582

if (drbg->state == DRBG_ERROR) {

drbg->state == DRBG_ERROR	Description
TRUE	evaluated 2 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 5 times by 1 test Evaluated by: libcrypto.so.1.1

2-5

583 RANDerr(RAND_F_RAND_DRBG_GENERATE, RAND_R_IN_ERROR_STATE); -

584

return 0;

executed 2 times by 1 test: return 0;

Executed by:

libcrypto.so.1.1

585 } -

586

if (drbg->state == DRBG_UNINITIALISED) {

drbg->state ==..._UNINITIALISED	Description
TRUE	never evaluated
FALSE	evaluated 5 times by 1 test Evaluated by: libcrypto.so.1.1

0-5

587 RANDerr(RAND_F_RAND_DRBG_GENERATE, RAND_R_NOT_INSTANTIATED); -

588

return 0;

never executed: return 0;

589 } -

590

}

executed 5 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

591 -

592

if (outlen > drbg->max_request) {

outlen > drbg->max_request	Description
TRUE	never evaluated
FALSE	evaluated 1036308 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1036308

593 RANDerr(RAND_F_RAND_DRBG_GENERATE, RAND_R_REQUEST_TOO_LARGE_FOR_DRBG); -

594

return 0;

never executed: return 0;

595 } -

596

if (adinlen > drbg->max_adinlen) {

adinlen > drbg->max_adinlen	Description
TRUE	never evaluated
FALSE	evaluated 1044845 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1044845

597 RANDerr(RAND_F_RAND_DRBG_GENERATE, RAND_R_ADDITIONAL_INPUT_TOO_LONG); -

598

return 0;

never executed: return 0;

599 } -

600 -

601

if (drbg->fork_count != rand_fork_count) {

drbg->fork_cou...and_fork_count	Description
TRUE	never evaluated
FALSE	evaluated 1049337 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1049337

602 drbg->fork_count = rand_fork_count; -

603 reseed_required = 1; -

604

}

never executed: end of block

605 -

606

if (drbg->reseed_interval > 0) {

drbg->reseed_interval > 0	Description
TRUE	evaluated 1056824 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-1056824

607

if (drbg->generate_counter >= drbg->reseed_interval)

drbg->generate...eseed_interval	Description
TRUE	evaluated 3 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 1071657 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

3-1071657

608

reseed_required = 1;

executed 3 times by 1 test: reseed_required = 1;

Executed by:

libcrypto.so.1.1

609

}

executed 1064277 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

1064277

610

if (drbg->reseed_time_interval > 0) {

drbg->reseed_time_interval > 0	Description
TRUE	evaluated 1063945 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-1063945

611 time_t now = time(NULL); -

612

if (now < drbg->reseed_time

now < drbg->reseed_time	Description
TRUE	never evaluated
FALSE	evaluated 1067482 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1067482

613

|| now - drbg->reseed_time >= drbg->reseed_time_interval)

now - drbg->re..._time_interval	Description
TRUE	evaluated 34 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 1067256 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

34-1067256

614

reseed_required = 1;

executed 34 times by 1 test: reseed_required = 1;

Executed by:

libcrypto.so.1.1

615

}

executed 1069303 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

1069303

616

if (drbg->reseed_counter > 0 && drbg->parent != NULL) {

drbg->reseed_counter > 0	Description
TRUE	evaluated 1061309 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 8658 times by 1 test Evaluated by: libcrypto.so.1.1

drbg->parent != ((void *)0)	Description
TRUE	evaluated 1057850 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 1055 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

1055-1061309

617

if (drbg->reseed_counter != drbg->parent->reseed_counter)

drbg->reseed_c...reseed_counter	Description
TRUE	evaluated 8 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 1061390 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

8-1061390

618

reseed_required = 1;

executed 8 times by 1 test: reseed_required = 1;

Executed by:

libcrypto.so.1.1

619

}

executed 1061020 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

1061020

620 -

621

if (reseed_required || prediction_resistance) {

reseed_required	Description
TRUE	evaluated 45 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 1070847 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

prediction_resistance	Description
TRUE	evaluated 2892 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 1066780 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

45-1070847

622

if (!RAND_DRBG_reseed(drbg, adin, adinlen, prediction_resistance)) {

!RAND_DRBG_res...on_resistance)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 2935 times by 1 test Evaluated by: libcrypto.so.1.1

2-2935

623 RANDerr(RAND_F_RAND_DRBG_GENERATE, RAND_R_RESEED_ERROR); -

624

return 0;

executed 2 times by 1 test: return 0;

Executed by:

libcrypto.so.1.1

625 } -

626 adin = NULL; -

627 adinlen = 0; -

628

}

executed 2935 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

2935

629 -

630

if (!drbg->meth->generate(drbg, out, outlen, adin, adinlen)) {

!drbg->meth->g...adin, adinlen)	Description
TRUE	never evaluated
FALSE	evaluated 1034268 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1034268

631 drbg->state = DRBG_ERROR; -

632 RANDerr(RAND_F_RAND_DRBG_GENERATE, RAND_R_GENERATE_ERROR); -

633

return 0;

never executed: return 0;

634 } -

635 -

636 drbg->generate_counter++; -

637 -

638

return 1;

executed 1033938 times by 2 tests: return 1;

Executed by:

libcrypto.so.1.1
sm2_internal_test

1033938

639 } -

640 -

641 /* -

642 * Generates |outlen| random bytes and stores them in |out|. It will -

643 * using the given |drbg| to generate the bytes. -

644 * -

645 * Requires that drbg->lock is already locked for write, if non-null. -

646 * -

647 * Returns 1 on success 0 on failure. -

648 */ -

649 int RAND_DRBG_bytes(RAND_DRBG *drbg, unsigned char *out, size_t outlen) -

650 { -

651 unsigned char *additional = NULL; -

652 size_t additional_len; -

653 size_t chunk; -

654 size_t ret; -

655 -

656 additional_len = rand_drbg_get_additional_data(&additional, drbg->max_adinlen); -

657 -

658

for ( ; outlen > 0; outlen -= chunk, out += chunk) {

outlen > 0	Description
TRUE	evaluated 1043108 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 1032809 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

1032809-1043108

659 chunk = outlen; -

660

if (chunk > drbg->max_request)

chunk > drbg->max_request	Description
TRUE	never evaluated
FALSE	evaluated 1041917 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1041917

661

chunk = drbg->max_request;

never executed: chunk = drbg->max_request;

662 ret = RAND_DRBG_generate(drbg, out, chunk, 0, additional, additional_len); -

663

if (!ret)

!ret	Description
TRUE	evaluated 2 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 1025801 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

2-1025801

664

goto err;

executed 2 times by 1 test: goto err;

Executed by:

libcrypto.so.1.1

665

}

executed 1034540 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

1034540

666 ret = 1; -

667 -

668

err:

code before this statement executed 1031170 times by 2 tests: err:

Executed by:

libcrypto.so.1.1
sm2_internal_test

1031170

669

if (additional_len != 0)

additional_len != 0	Description
TRUE	evaluated 1035520 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-1035520

670

OPENSSL_secure_clear_free(additional, additional_len);

executed 1039376 times by 2 tests: CRYPTO_secure_clear_free(additional, additional_len, __FILE__, 670);

Executed by:

libcrypto.so.1.1
sm2_internal_test

1039376

671 -

672

return ret;

executed 1060959 times by 2 tests: return ret;

Executed by:

libcrypto.so.1.1
sm2_internal_test

1060959

673 } -

674 -

675 /* -

676 * Set the RAND_DRBG callbacks for obtaining entropy and nonce. -

677 * -

678 * Setting the callbacks is allowed only if the drbg has not been -

679 * initialized yet. Otherwise, the operation will fail. -

680 * -

681 * Returns 1 on success, 0 on failure. -

682 */ -

683 int RAND_DRBG_set_callbacks(RAND_DRBG *drbg, -

684 RAND_DRBG_get_entropy_fn get_entropy, -

685 RAND_DRBG_cleanup_entropy_fn cleanup_entropy, -

686 RAND_DRBG_get_nonce_fn get_nonce, -

687 RAND_DRBG_cleanup_nonce_fn cleanup_nonce) -

688 { -

689

if (drbg->state != DRBG_UNINITIALISED)

drbg->state !=..._UNINITIALISED	Description
TRUE	never evaluated
FALSE	evaluated 4338 times by 1 test Evaluated by: libcrypto.so.1.1

0-4338

690

return 0;

never executed: return 0;

691 drbg->get_entropy = get_entropy; -

692 drbg->cleanup_entropy = cleanup_entropy; -

693 drbg->get_nonce = get_nonce; -

694 drbg->cleanup_nonce = cleanup_nonce; -

695

return 1;

executed 4338 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

4338

696 } -

697 -

698 /* -

699 * Set the reseed interval. -

700 * -

701 * The drbg will reseed automatically whenever the number of generate -

702 * requests exceeds the given reseed interval. If the reseed interval -

703 * is 0, then this feature is disabled. -

704 * -

705 * Returns 1 on success, 0 on failure. -

706 */ -

707 int RAND_DRBG_set_reseed_interval(RAND_DRBG *drbg, unsigned int interval) -

708 { -

709

if (interval > MAX_RESEED_INTERVAL)

interval > (1 << 24)	Description
TRUE	never evaluated
FALSE	never evaluated

710

return 0;

never executed: return 0;

711 drbg->reseed_interval = interval; -

712

return 1;

never executed: return 1;

713 } -

714 -

715 /* -

716 * Set the reseed time interval. -

717 * -

718 * The drbg will reseed automatically whenever the time elapsed since -

719 * the last reseeding exceeds the given reseed time interval. For safety, -

720 * a reseeding will also occur if the clock has been reset to a smaller -

721 * value. -

722 * -

723 * Returns 1 on success, 0 on failure. -

724 */ -

725 int RAND_DRBG_set_reseed_time_interval(RAND_DRBG *drbg, time_t interval) -

726 { -

727

if (interval > MAX_RESEED_TIME_INTERVAL)

interval > (1 << 20)	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: libcrypto.so.1.1

0-8

728

return 0;

never executed: return 0;

729 drbg->reseed_time_interval = interval; -

730

return 1;

executed 8 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

731 } -

732 -

733 /* -

734 * Set the default values for reseed (time) intervals of new DRBG instances -

735 * -

736 * The default values can be set independently for master DRBG instances -

737 * (without a parent) and slave DRBG instances (with parent). -

738 * -

739 * Returns 1 on success, 0 on failure. -

740 */ -

741 -

742 int RAND_DRBG_set_reseed_defaults( -

743 unsigned int _master_reseed_interval, -

744 unsigned int _slave_reseed_interval, -

745 time_t _master_reseed_time_interval, -

746 time_t _slave_reseed_time_interval -

747 ) -

748 { -

749

if (_master_reseed_interval > MAX_RESEED_INTERVAL

_master_reseed...al > (1 << 24)	Description
TRUE	never evaluated
FALSE	never evaluated

750

|| _slave_reseed_interval > MAX_RESEED_INTERVAL)

_slave_reseed_...al > (1 << 24)	Description
TRUE	never evaluated
FALSE	never evaluated

751

return 0;

never executed: return 0;

752 -

753

if (_master_reseed_time_interval > MAX_RESEED_TIME_INTERVAL

_master_reseed...al > (1 << 20)	Description
TRUE	never evaluated
FALSE	never evaluated

754

|| _slave_reseed_time_interval > MAX_RESEED_TIME_INTERVAL)

_slave_reseed_...al > (1 << 20)	Description
TRUE	never evaluated
FALSE	never evaluated

755

return 0;

never executed: return 0;

756 -

757 master_reseed_interval = _master_reseed_interval; -

758 slave_reseed_interval = _slave_reseed_interval; -

759 -

760 master_reseed_time_interval = _master_reseed_time_interval; -

761 slave_reseed_time_interval = _slave_reseed_time_interval; -

762 -

763

return 1;

never executed: return 1;

764 } -

765 -

766 /* -

767 * Locks the given drbg. Locking a drbg which does not have locking -

768 * enabled is considered a successful no-op. -

769 * -

770 * Returns 1 on success, 0 on failure. -

771 */ -

772 int rand_drbg_lock(RAND_DRBG *drbg) -

773 { -

774

if (drbg->lock != NULL)

drbg->lock != ((void *)0)	Description
TRUE	evaluated 2085 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-2085

775

return CRYPTO_THREAD_write_lock(drbg->lock);

executed 2085 times by 2 tests: return CRYPTO_THREAD_write_lock(drbg->lock);

Executed by:

libcrypto.so.1.1
sm2_internal_test

2085

776 -

777

return 1;

never executed: return 1;

778 } -

779 -

780 /* -

781 * Unlocks the given drbg. Unlocking a drbg which does not have locking -

782 * enabled is considered a successful no-op. -

783 * -

784 * Returns 1 on success, 0 on failure. -

785 */ -

786 int rand_drbg_unlock(RAND_DRBG *drbg) -

787 { -

788

if (drbg->lock != NULL)

drbg->lock != ((void *)0)	Description
TRUE	evaluated 2086 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-2086

789

return CRYPTO_THREAD_unlock(drbg->lock);

executed 2086 times by 2 tests: return CRYPTO_THREAD_unlock(drbg->lock);

Executed by:

libcrypto.so.1.1
sm2_internal_test

2086

790 -

791

return 1;

never executed: return 1;

792 } -

793 -

794 /* -

795 * Enables locking for the given drbg -

796 * -

797 * Locking can only be enabled if the random generator -

798 * is in the uninitialized state. -

799 * -

800 * Returns 1 on success, 0 on failure. -

801 */ -

802 int rand_drbg_enable_locking(RAND_DRBG *drbg) -

803 { -

804

if (drbg->state != DRBG_UNINITIALISED) {

drbg->state !=..._UNINITIALISED	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-779

805 RANDerr(RAND_F_RAND_DRBG_ENABLE_LOCKING, -

806 RAND_R_DRBG_ALREADY_INITIALIZED); -

807

return 0;

never executed: return 0;

808 } -

809 -

810

if (drbg->lock == NULL) {

drbg->lock == ((void *)0)	Description
TRUE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-779

811

if (drbg->parent != NULL && drbg->parent->lock == NULL) {

drbg->parent != ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

drbg->parent->...== ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0-779

812 RANDerr(RAND_F_RAND_DRBG_ENABLE_LOCKING, -

813 RAND_R_PARENT_LOCKING_NOT_ENABLED); -

814

return 0;

never executed: return 0;

815 } -

816 -

817 drbg->lock = CRYPTO_THREAD_lock_new(); -

818

if (drbg->lock == NULL) {

drbg->lock == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-779

819 RANDerr(RAND_F_RAND_DRBG_ENABLE_LOCKING, -

820 RAND_R_FAILED_TO_CREATE_LOCK); -

821

return 0;

never executed: return 0;

822 } -

823

}

executed 779 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

779

824 -

825

return 1;

executed 779 times by 2 tests: return 1;

Executed by:

libcrypto.so.1.1
sm2_internal_test

779

826 } -

827 -

828 /* -

829 * Get and set the EXDATA -

830 */ -

831 int RAND_DRBG_set_ex_data(RAND_DRBG *drbg, int idx, void *arg) -

832 { -

833

return CRYPTO_set_ex_data(&drbg->ex_data, idx, arg);

executed 4341 times by 1 test: return CRYPTO_set_ex_data(&drbg->ex_data, idx, arg);

Executed by:

libcrypto.so.1.1

4341

834 } -

835 -

836 void *RAND_DRBG_get_ex_data(const RAND_DRBG *drbg, int idx) -

837 { -

838

return CRYPTO_get_ex_data(&drbg->ex_data, idx);

executed 10860 times by 1 test: return CRYPTO_get_ex_data(&drbg->ex_data, idx);

Executed by:

libcrypto.so.1.1

10860

839 } -

840 -

841 -

842 /* -

843 * The following functions provide a RAND_METHOD that works on the -

844 * global DRBG. They lock. -

845 */ -

846 -

847 /* -

848 * Allocates a new global DRBG on the secure heap (if enabled) and -

849 * initializes it with default settings. -

850 * -

851 * Returns a pointer to the new DRBG instance on success, NULL on failure. -

852 */ -

853 static RAND_DRBG *drbg_setup(RAND_DRBG *parent) -

854 { -

855 RAND_DRBG *drbg; -

856 -

857 drbg = RAND_DRBG_secure_new(rand_drbg_type, rand_drbg_flags, parent); -

858

if (drbg == NULL)

drbg == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 1787 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1787

859

return NULL;

never executed: return ((void *)0) ;

860 -

861 /* Only the master DRBG needs to have a lock */ -

862

if (parent == NULL && rand_drbg_enable_locking(drbg) == 0)

parent == ((void *)0)	Description
TRUE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 1008 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

rand_drbg_enab...ing(drbg) == 0	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-1008

863

goto err;

never executed: goto err;

864 -

865 /* enable seed propagation */ -

866 drbg->reseed_counter = 1; -

867 -

868 /* -

869 * Ignore instantiation error to support just-in-time instantiation. -

870 * -

871 * The state of the drbg will be checked in RAND_DRBG_generate() and -

872 * an automatic recovery is attempted. -

873 */ -

874 (void)RAND_DRBG_instantiate(drbg, -

875 (const unsigned char *) ossl_pers_string, -

876 sizeof(ossl_pers_string) - 1); -

877

return drbg;

executed 1787 times by 2 tests: return drbg;

Executed by:

libcrypto.so.1.1
sm2_internal_test

1787

878 -

879 err: -

880 RAND_DRBG_free(drbg); -

881

return NULL;

never executed: return ((void *)0) ;

882 } -

883 -

884 /* -

885 * Initialize the global DRBGs on first use. -

886 * Returns 1 on success, 0 on failure. -

887 */ -

888

DEFINE_RUN_ONCE_STATIC(do_rand_drbg_init)

executed 779 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

779

889 { -

890 /* -

891 * ensure that libcrypto is initialized, otherwise the -

892 * DRBG locks are not cleaned up properly -

893 */ -

894

if (!OPENSSL_init_crypto(0, NULL))

!OPENSSL_init_... ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-779

895

return 0;

never executed: return 0;

896 -

897

if (!CRYPTO_THREAD_init_local(&private_drbg, NULL))

!CRYPTO_THREAD... ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-779

898

return 0;

never executed: return 0;

899 -

900

if (!CRYPTO_THREAD_init_local(&public_drbg, NULL))

!CRYPTO_THREAD... ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-779

901

goto err1;

never executed: goto err1;

902 -

903 master_drbg = drbg_setup(NULL); -

904

if (master_drbg == NULL)

master_drbg == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-779

905

goto err2;

never executed: goto err2;

906 -

907

return 1;

executed 779 times by 2 tests: return 1;

Executed by:

libcrypto.so.1.1
sm2_internal_test

779

908 -

909 err2: -

910 CRYPTO_THREAD_cleanup_local(&public_drbg); -

911

err1:

code before this statement never executed: err1:

912 CRYPTO_THREAD_cleanup_local(&private_drbg); -

913

return 0;

never executed: return 0;

914 } -

915 -

916 /* Clean up the global DRBGs before exit */ -

917 void rand_drbg_cleanup_int(void) -

918 { -

919

if (master_drbg != NULL) {

master_drbg != ((void *)0)	Description
TRUE	evaluated 779 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 1297 times by 11 tests Evaluated by: asn1_internal_test chacha_internal_test ctype_internal_test curve448_internal_test libcrypto.so.1.1 modes_internal_test poly1305_internal_test rdrand_sanitytest siphash_internal_test sm4_internal_test x509_internal_test

779-1297

920 RAND_DRBG_free(master_drbg); -

921 master_drbg = NULL; -

922 -

923 CRYPTO_THREAD_cleanup_local(&private_drbg); -

924 CRYPTO_THREAD_cleanup_local(&public_drbg); -

925

}

executed 779 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

779

926

}

executed 2076 times by 12 tests: end of block

Executed by:

asn1_internal_test
chacha_internal_test
ctype_internal_test
curve448_internal_test
libcrypto.so.1.1
modes_internal_test
poly1305_internal_test
rdrand_sanitytest
siphash_internal_test
sm2_internal_test
sm4_internal_test
x509_internal_test

2076

927 -

928 void drbg_delete_thread_state(void) -

929 { -

930 RAND_DRBG *drbg; -

931 -

932 drbg = CRYPTO_THREAD_get_local(&public_drbg); -

933 CRYPTO_THREAD_set_local(&public_drbg, NULL); -

934 RAND_DRBG_free(drbg); -

935 -

936 drbg = CRYPTO_THREAD_get_local(&private_drbg); -

937 CRYPTO_THREAD_set_local(&private_drbg, NULL); -

938 RAND_DRBG_free(drbg); -

939

}

executed 782 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

782

940 -

941 /* Implements the default OpenSSL RAND_bytes() method */ -

942 static int drbg_bytes(unsigned char *out, int count) -

943 { -

944 int ret; -

945 RAND_DRBG *drbg = RAND_DRBG_get0_public(); -

946 -

947

if (drbg == NULL)

drbg == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 564240 times by 1 test Evaluated by: libcrypto.so.1.1

0-564240

948

return 0;

never executed: return 0;

949 -

950 ret = RAND_DRBG_bytes(drbg, out, count); -

951 -

952

return ret;

executed 564990 times by 1 test: return ret;

Executed by:

libcrypto.so.1.1

564990

953 } -

954 -

955 /* Implements the default OpenSSL RAND_add() method */ -

956 static int drbg_add(const void *buf, int num, double randomness) -

957 { -

958 int ret = 0; -

959 RAND_DRBG *drbg = RAND_DRBG_get0_master(); -

960 -

961

if (drbg == NULL)

drbg == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1

0-21

962

return 0;

never executed: return 0;

963 -

964

if (num < 0 || randomness < 0.0)

num < 0	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1

randomness < 0.0	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1

0-21

965

return 0;

never executed: return 0;

966 -

967

if (randomness > (double)drbg->max_entropylen) {

randomness > (...max_entropylen	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: libcrypto.so.1.1

0-21

968 /* -

969 * The purpose of this check is to bound |randomness| by a -

970 * relatively small value in order to prevent an integer -

971 * overflow when multiplying by 8 in the rand_drbg_restart() -

972 * call below. -

973 */ -

974

return 0;

never executed: return 0;

975 } -

976 -

977 rand_drbg_lock(drbg); -

978 ret = rand_drbg_restart(drbg, buf, -

979 (size_t)(unsigned int)num, -

980 (size_t)(8*randomness)); -

981 rand_drbg_unlock(drbg); -

982 -

983

return ret;

executed 21 times by 1 test: return ret;

Executed by:

libcrypto.so.1.1

984 } -

985 -

986 /* Implements the default OpenSSL RAND_seed() method */ -

987 static int drbg_seed(const void *buf, int num) -

988 { -

989

return drbg_add(buf, num, num);

never executed: return drbg_add(buf, num, num);

990 } -

991 -

992 /* Implements the default OpenSSL RAND_status() method */ -

993 static int drbg_status(void) -

994 { -

995 int ret; -

996 RAND_DRBG *drbg = RAND_DRBG_get0_master(); -

997 -

998

if (drbg == NULL)

drbg == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

999

return 0;

never executed: return 0;

1000 -

1001 rand_drbg_lock(drbg); -

1002

ret = drbg->state == DRBG_READY ? 1 : 0;

drbg->state == DRBG_READY	Description
TRUE	never evaluated
FALSE	never evaluated

1003 rand_drbg_unlock(drbg); -

1004

return ret;

never executed: return ret;

1005 } -

1006 -

1007 /* -

1008 * Get the master DRBG. -

1009 * Returns pointer to the DRBG on success, NULL on failure. -

1010 * -

1011 */ -

1012 RAND_DRBG *RAND_DRBG_get0_master(void) -

1013 { -

1014

if (!RUN_ONCE(&rand_drbg_init, do_rand_drbg_init))

!(CRYPTO_THREA...ossl_ret_ : 0)	Description
TRUE	never evaluated
FALSE	evaluated 23 times by 1 test Evaluated by: libcrypto.so.1.1

CRYPTO_THREAD_...bg_init_ossl_)	Description
TRUE	evaluated 23 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-23

1015

return NULL;

never executed: return ((void *)0) ;

1016 -

1017

return master_drbg;

executed 23 times by 1 test: return master_drbg;

Executed by:

libcrypto.so.1.1

1018 } -

1019 -

1020 /* -

1021 * Get the public DRBG. -

1022 * Returns pointer to the DRBG on success, NULL on failure. -

1023 */ -

1024 RAND_DRBG *RAND_DRBG_get0_public(void) -

1025 { -

1026 RAND_DRBG *drbg; -

1027 -

1028

if (!RUN_ONCE(&rand_drbg_init, do_rand_drbg_init))

!(CRYPTO_THREA...ossl_ret_ : 0)	Description
TRUE	never evaluated
FALSE	evaluated 565196 times by 1 test Evaluated by: libcrypto.so.1.1

CRYPTO_THREAD_...bg_init_ossl_)	Description
TRUE	evaluated 565554 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-565554

1029

return NULL;

never executed: return ((void *)0) ;

1030 -

1031 drbg = CRYPTO_THREAD_get_local(&public_drbg); -

1032

if (drbg == NULL) {

drbg == ((void *)0)	Description
TRUE	evaluated 550 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 565216 times by 1 test Evaluated by: libcrypto.so.1.1

550-565216

1033

if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_RAND))

!ossl_init_thread_start(0x04)	Description
TRUE	never evaluated
FALSE	evaluated 550 times by 1 test Evaluated by: libcrypto.so.1.1

0-550

1034

return NULL;

never executed: return ((void *)0) ;

1035 drbg = drbg_setup(master_drbg); -

1036 CRYPTO_THREAD_set_local(&public_drbg, drbg); -

1037

}

executed 550 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

550

1038

return drbg;

executed 564027 times by 1 test: return drbg;

Executed by:

libcrypto.so.1.1

564027

1039 } -

1040 -

1041 /* -

1042 * Get the private DRBG. -

1043 * Returns pointer to the DRBG on success, NULL on failure. -

1044 */ -

1045 RAND_DRBG *RAND_DRBG_get0_private(void) -

1046 { -

1047 RAND_DRBG *drbg; -

1048 -

1049

if (!RUN_ONCE(&rand_drbg_init, do_rand_drbg_init))

!(CRYPTO_THREA...ossl_ret_ : 0)	Description
TRUE	never evaluated
FALSE	evaluated 497797 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

CRYPTO_THREAD_...bg_init_ossl_)	Description
TRUE	evaluated 498118 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	never evaluated

0-498118

1050

return NULL;

never executed: return ((void *)0) ;

1051 -

1052 drbg = CRYPTO_THREAD_get_local(&private_drbg); -

1053

if (drbg == NULL) {

drbg == ((void *)0)	Description
TRUE	evaluated 458 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test
FALSE	evaluated 498110 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

458-498110

1054

if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_RAND))

!ossl_init_thread_start(0x04)	Description
TRUE	never evaluated
FALSE	evaluated 458 times by 2 tests Evaluated by: libcrypto.so.1.1 sm2_internal_test

0-458

1055

return NULL;

never executed: return ((void *)0) ;

1056 drbg = drbg_setup(master_drbg); -

1057 CRYPTO_THREAD_set_local(&private_drbg, drbg); -

1058

}

executed 458 times by 2 tests: end of block

Executed by:

libcrypto.so.1.1
sm2_internal_test

458

1059

return drbg;

executed 498444 times by 2 tests: return drbg;

Executed by:

libcrypto.so.1.1
sm2_internal_test

498444

1060 } -

1061 -

1062 RAND_METHOD rand_meth = { -

1063 drbg_seed, -

1064 drbg_bytes, -

1065 NULL, -

1066 drbg_add, -

1067 drbg_bytes, -

1068 drbg_status -

1069 }; -

1070 -

1071 RAND_METHOD *RAND_OpenSSL(void) -

1072 { -

1073

return &rand_meth;

executed 566075 times by 2 tests: return &rand_meth;

Executed by:

libcrypto.so.1.1
sm2_internal_test

566075

1074 } -

Source code

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