OpenCoverage

bn_blind.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/bn/bn_blind.c
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1/*-
2 * Copyright 1998-2018 The OpenSSL Project Authors. All Rights Reserved.-
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 <openssl/opensslconf.h>-
11#include "internal/cryptlib.h"-
12#include "bn_lcl.h"-
13-
14#define BN_BLINDING_COUNTER 32-
15-
16struct bn_blinding_st {-
17 BIGNUM *A;-
18 BIGNUM *Ai;-
19 BIGNUM *e;-
20 BIGNUM *mod; /* just a reference */-
21 CRYPTO_THREAD_ID tid;-
22 int counter;-
23 unsigned long flags;-
24 BN_MONT_CTX *m_ctx;-
25 int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,-
26 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);-
27 CRYPTO_RWLOCK *lock;-
28};-
29-
30BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod)-
31{-
32 BN_BLINDING *ret = NULL;-
33-
34 bn_check_top(mod);-
35-
36 if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
(ret = CRYPTO_...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1733
37 BNerr(BN_F_BN_BLINDING_NEW, ERR_R_MALLOC_FAILURE);-
38 return NULL;
never executed: return ((void *)0) ;
0
39 }-
40-
41 ret->lock = CRYPTO_THREAD_lock_new();-
42 if (ret->lock == NULL) {
ret->lock == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1733
43 BNerr(BN_F_BN_BLINDING_NEW, ERR_R_MALLOC_FAILURE);-
44 OPENSSL_free(ret);-
45 return NULL;
never executed: return ((void *)0) ;
0
46 }-
47-
48 BN_BLINDING_set_current_thread(ret);-
49-
50 if (A != NULL) {
A != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1733
51 if ((ret->A = BN_dup(A)) == NULL)
(ret->A = BN_d...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
52 goto err;
never executed: goto err;
0
53 }
never executed: end of block
0
54-
55 if (Ai != NULL) {
Ai != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1733
56 if ((ret->Ai = BN_dup(Ai)) == NULL)
(ret->Ai = BN_...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
57 goto err;
never executed: goto err;
0
58 }
never executed: end of block
0
59-
60 /* save a copy of mod in the BN_BLINDING structure */-
61 if ((ret->mod = BN_dup(mod)) == NULL)
(ret->mod = BN...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1733
62 goto err;
never executed: goto err;
0
63-
64 if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)
BN_get_flags(mod, 0x04) != 0Description
TRUEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-1733
65 BN_set_flags(ret->mod, BN_FLG_CONSTTIME);
executed 1733 times by 1 test: BN_set_flags(ret->mod, 0x04);
Executed by:
  • libcrypto.so.1.1
1733
66-
67 /*-
68 * Set the counter to the special value -1 to indicate that this is-
69 * never-used fresh blinding that does not need updating before first-
70 * use.-
71 */-
72 ret->counter = -1;-
73-
74 return ret;
executed 1733 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
1733
75-
76 err:-
77 BN_BLINDING_free(ret);-
78 return NULL;
never executed: return ((void *)0) ;
0
79}-
80-
81void BN_BLINDING_free(BN_BLINDING *r)-
82{-
83 if (r == NULL)
r == ((void *)0)Description
TRUEevaluated 50207 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1733-50207
84 return;
executed 50207 times by 1 test: return;
Executed by:
  • libcrypto.so.1.1
50207
85 BN_free(r->A);-
86 BN_free(r->Ai);-
87 BN_free(r->e);-
88 BN_free(r->mod);-
89 CRYPTO_THREAD_lock_free(r->lock);-
90 OPENSSL_free(r);-
91}
executed 1733 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1733
92-
93int BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx)-
94{-
95 int ret = 0;-
96-
97 if ((b->A == NULL) || (b->Ai == NULL)) {
(b->A == ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 648 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(b->Ai == ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 648 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-648
98 BNerr(BN_F_BN_BLINDING_UPDATE, BN_R_NOT_INITIALIZED);-
99 goto err;
never executed: goto err;
0
100 }-
101-
102 if (b->counter == -1)
b->counter == -1Description
TRUEnever evaluated
FALSEevaluated 648 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-648
103 b->counter = 0;
never executed: b->counter = 0;
0
104-
105 if (++b->counter == BN_BLINDING_COUNTER && b->e != NULL &&
++b->counter == 32Description
TRUEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 633 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
b->e != ((void *)0)Description
TRUEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-633
106 !(b->flags & BN_BLINDING_NO_RECREATE)) {
!(b->flags & 0x00000002)Description
TRUEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-15
107 /* re-create blinding parameters */-
108 if (!BN_BLINDING_create_param(b, NULL, NULL, ctx, NULL, NULL))
!BN_BLINDING_c... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-15
109 goto err;
never executed: goto err;
0
110 } else if (!(b->flags & BN_BLINDING_NO_UPDATE)) {
executed 15 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
!(b->flags & 0x00000001)Description
TRUEevaluated 633 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-633
111 if (b->m_ctx != NULL) {
b->m_ctx != ((void *)0)Description
TRUEevaluated 472 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 161 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
161-472
112 if (!bn_mul_mont_fixed_top(b->Ai, b->Ai, b->Ai, b->m_ctx, ctx)
!bn_mul_mont_f...b->m_ctx, ctx)Description
TRUEnever evaluated
FALSEevaluated 472 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-472
113 || !bn_mul_mont_fixed_top(b->A, b->A, b->A, b->m_ctx, ctx))
!bn_mul_mont_f...b->m_ctx, ctx)Description
TRUEnever evaluated
FALSEevaluated 472 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-472
114 goto err;
never executed: goto err;
0
115 } else {
executed 472 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
472
116 if (!BN_mod_mul(b->Ai, b->Ai, b->Ai, b->mod, ctx)
!BN_mod_mul(b-..., b->mod, ctx)Description
TRUEnever evaluated
FALSEevaluated 161 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-161
117 || !BN_mod_mul(b->A, b->A, b->A, b->mod, ctx))
!BN_mod_mul(b-..., b->mod, ctx)Description
TRUEnever evaluated
FALSEevaluated 161 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-161
118 goto err;
never executed: goto err;
0
119 }
executed 161 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
161
120 }-
121-
122 ret = 1;-
123 err:
code before this statement executed 648 times by 1 test: err:
Executed by:
  • libcrypto.so.1.1
648
124 if (b->counter == BN_BLINDING_COUNTER)
b->counter == 32Description
TRUEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 633 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
15-633
125 b->counter = 0;
executed 15 times by 1 test: b->counter = 0;
Executed by:
  • libcrypto.so.1.1
15
126 return ret;
executed 648 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
648
127}-
128-
129int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)-
130{-
131 return BN_BLINDING_convert_ex(n, NULL, b, ctx);
never executed: return BN_BLINDING_convert_ex(n, ((void *)0) , b, ctx);
0
132}-
133-
134int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)-
135{-
136 int ret = 1;-
137-
138 bn_check_top(n);-
139-
140 if ((b->A == NULL) || (b->Ai == NULL)) {
(b->A == ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 2381 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(b->Ai == ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 2381 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2381
141 BNerr(BN_F_BN_BLINDING_CONVERT_EX, BN_R_NOT_INITIALIZED);-
142 return 0;
never executed: return 0;
0
143 }-
144-
145 if (b->counter == -1)
b->counter == -1Description
TRUEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 648 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
648-1733
146 /* Fresh blinding, doesn't need updating. */-
147 b->counter = 0;
executed 1733 times by 1 test: b->counter = 0;
Executed by:
  • libcrypto.so.1.1
1733
148 else if (!BN_BLINDING_update(b, ctx))
!BN_BLINDING_update(b, ctx)Description
TRUEnever evaluated
FALSEevaluated 648 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-648
149 return 0;
never executed: return 0;
0
150-
151 if (r != NULL && (BN_copy(r, b->Ai) == NULL))
r != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 2381 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(BN_copy(r, b-... ((void *)0) )Description
TRUEnever evaluated
FALSEnever evaluated
0-2381
152 return 0;
never executed: return 0;
0
153-
154 if (b->m_ctx != NULL)
b->m_ctx != ((void *)0)Description
TRUEevaluated 495 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1886 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
495-1886
155 ret = BN_mod_mul_montgomery(n, n, b->A, b->m_ctx, ctx);
executed 495 times by 1 test: ret = BN_mod_mul_montgomery(n, n, b->A, b->m_ctx, ctx);
Executed by:
  • libcrypto.so.1.1
495
156 else-
157 ret = BN_mod_mul(n, n, b->A, b->mod, ctx);
executed 1886 times by 1 test: ret = BN_mod_mul(n, n, b->A, b->mod, ctx);
Executed by:
  • libcrypto.so.1.1
1886
158-
159 return ret;
executed 2381 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
2381
160}-
161-
162int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)-
163{-
164 return BN_BLINDING_invert_ex(n, NULL, b, ctx);
never executed: return BN_BLINDING_invert_ex(n, ((void *)0) , b, ctx);
0
165}-
166-
167int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b,-
168 BN_CTX *ctx)-
169{-
170 int ret;-
171-
172 bn_check_top(n);-
173-
174 if (r == NULL && (r = b->Ai) == NULL) {
r == ((void *)0)Description
TRUEevaluated 2381 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
(r = b->Ai) == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 2381 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2381
175 BNerr(BN_F_BN_BLINDING_INVERT_EX, BN_R_NOT_INITIALIZED);-
176 return 0;
never executed: return 0;
0
177 }-
178-
179 if (b->m_ctx != NULL) {
b->m_ctx != ((void *)0)Description
TRUEevaluated 495 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1886 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
495-1886
180 /* ensure that BN_mod_mul_montgomery takes pre-defined path */-
181 if (n->dmax >= r->top) {
n->dmax >= r->topDescription
TRUEevaluated 495 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-495
182 size_t i, rtop = r->top, ntop = n->top;-
183 BN_ULONG mask;-
184-
185 for (i = 0; i < rtop; i++) {
i < rtopDescription
TRUEevaluated 5961 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 495 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
495-5961
186 mask = (BN_ULONG)0 - ((i - ntop) >> (8 * sizeof(i) - 1));-
187 n->d[i] &= mask;-
188 }
executed 5961 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
5961
189 mask = (BN_ULONG)0 - ((rtop - ntop) >> (8 * sizeof(ntop) - 1));-
190 /* always true, if (rtop >= ntop) n->top = r->top; */-
191 n->top = (int)(rtop & ~mask) | (ntop & mask);-
192 n->flags |= (BN_FLG_FIXED_TOP & ~mask);-
193 }
executed 495 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
495
194 ret = BN_mod_mul_montgomery(n, n, r, b->m_ctx, ctx);-
195 } else {
executed 495 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
495
196 ret = BN_mod_mul(n, n, r, b->mod, ctx);-
197 }
executed 1886 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1886
198-
199 bn_check_top(n);-
200 return ret;
executed 2381 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
2381
201}-
202-
203int BN_BLINDING_is_current_thread(BN_BLINDING *b)-
204{-
205 return CRYPTO_THREAD_compare_id(CRYPTO_THREAD_get_current_id(), b->tid);
executed 2381 times by 1 test: return CRYPTO_THREAD_compare_id(CRYPTO_THREAD_get_current_id(), b->tid);
Executed by:
  • libcrypto.so.1.1
2381
206}-
207-
208void BN_BLINDING_set_current_thread(BN_BLINDING *b)-
209{-
210 b->tid = CRYPTO_THREAD_get_current_id();-
211}
executed 3466 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
3466
212-
213int BN_BLINDING_lock(BN_BLINDING *b)-
214{-
215 return CRYPTO_THREAD_write_lock(b->lock);
never executed: return CRYPTO_THREAD_write_lock(b->lock);
0
216}-
217-
218int BN_BLINDING_unlock(BN_BLINDING *b)-
219{-
220 return CRYPTO_THREAD_unlock(b->lock);
never executed: return CRYPTO_THREAD_unlock(b->lock);
0
221}-
222-
223unsigned long BN_BLINDING_get_flags(const BN_BLINDING *b)-
224{-
225 return b->flags;
never executed: return b->flags;
0
226}-
227-
228void BN_BLINDING_set_flags(BN_BLINDING *b, unsigned long flags)-
229{-
230 b->flags = flags;-
231}
never executed: end of block
0
232-
233BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,-
234 const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,-
235 int (*bn_mod_exp) (BIGNUM *r,-
236 const BIGNUM *a,-
237 const BIGNUM *p,-
238 const BIGNUM *m,-
239 BN_CTX *ctx,-
240 BN_MONT_CTX *m_ctx),-
241 BN_MONT_CTX *m_ctx)-
242{-
243 int retry_counter = 32;-
244 BN_BLINDING *ret = NULL;-
245-
246 if (b == NULL)
b == ((void *)0)Description
TRUEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
15-1733
247 ret = BN_BLINDING_new(NULL, NULL, m);
executed 1733 times by 1 test: ret = BN_BLINDING_new( ((void *)0) , ((void *)0) , m);
Executed by:
  • libcrypto.so.1.1
1733
248 else-
249 ret = b;
executed 15 times by 1 test: ret = b;
Executed by:
  • libcrypto.so.1.1
15
250-
251 if (ret == NULL)
ret == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1748 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1748
252 goto err;
never executed: goto err;
0
253-
254 if (ret->A == NULL && (ret->A = BN_new()) == NULL)
ret->A == ((void *)0)Description
TRUEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(ret->A = BN_n...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1733
255 goto err;
never executed: goto err;
0
256 if (ret->Ai == NULL && (ret->Ai = BN_new()) == NULL)
ret->Ai == ((void *)0)Description
TRUEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(ret->Ai = BN_...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1733
257 goto err;
never executed: goto err;
0
258-
259 if (e != NULL) {
e != ((void *)0)Description
TRUEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
15-1733
260 BN_free(ret->e);-
261 ret->e = BN_dup(e);-
262 }
executed 1733 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1733
263 if (ret->e == NULL)
ret->e == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1748 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1748
264 goto err;
never executed: goto err;
0
265-
266 if (bn_mod_exp != NULL)
bn_mod_exp != ((void *)0)Description
TRUEevaluated 1733 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
15-1733
267 ret->bn_mod_exp = bn_mod_exp;
executed 1733 times by 1 test: ret->bn_mod_exp = bn_mod_exp;
Executed by:
  • libcrypto.so.1.1
1733
268 if (m_ctx != NULL)
m_ctx != ((void *)0)Description
TRUEevaluated 8 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1740 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
8-1740
269 ret->m_ctx = m_ctx;
executed 8 times by 1 test: ret->m_ctx = m_ctx;
Executed by:
  • libcrypto.so.1.1
8
270-
271 do {-
272 int rv;-
273 if (!BN_priv_rand_range(ret->A, ret->mod))
!BN_priv_rand_...->A, ret->mod)Description
TRUEnever evaluated
FALSEevaluated 1748 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1748
274 goto err;
never executed: goto err;
0
275 if (int_bn_mod_inverse(ret->Ai, ret->A, ret->mod, ctx, &rv))
int_bn_mod_inv...mod, ctx, &rv)Description
TRUEevaluated 1748 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-1748
276 break;
executed 1748 times by 1 test: break;
Executed by:
  • libcrypto.so.1.1
1748
277-
278 /*-
279 * this should almost never happen for good RSA keys-
280 */-
281 if (!rv)
!rvDescription
TRUEnever evaluated
FALSEnever evaluated
0
282 goto err;
never executed: goto err;
0
283-
284 if (retry_counter-- == 0) {
retry_counter-- == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
285 BNerr(BN_F_BN_BLINDING_CREATE_PARAM, BN_R_TOO_MANY_ITERATIONS);-
286 goto err;
never executed: goto err;
0
287 }-
288 } while (1);
never executed: end of block
0
289-
290 if (ret->bn_mod_exp != NULL && ret->m_ctx != NULL) {
ret->bn_mod_exp != ((void *)0)Description
TRUEevaluated 1748 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
ret->m_ctx != ((void *)0)Description
TRUEevaluated 23 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1725 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1748
291 if (!ret->bn_mod_exp(ret->A, ret->A, ret->e, ret->mod, ctx, ret->m_ctx))
!ret->bn_mod_e...x, ret->m_ctx)Description
TRUEnever evaluated
FALSEevaluated 23 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-23
292 goto err;
never executed: goto err;
0
293 } else {
executed 23 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
23
294 if (!BN_mod_exp(ret->A, ret->A, ret->e, ret->mod, ctx))
!BN_mod_exp(re...ret->mod, ctx)Description
TRUEnever evaluated
FALSEevaluated 1725 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1725
295 goto err;
never executed: goto err;
0
296 }
executed 1725 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1725
297-
298 if (ret->m_ctx != NULL) {
ret->m_ctx != ((void *)0)Description
TRUEevaluated 23 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1725 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
23-1725
299 if (!bn_to_mont_fixed_top(ret->Ai, ret->Ai, ret->m_ctx, ctx)
!bn_to_mont_fi...t->m_ctx, ctx)Description
TRUEnever evaluated
FALSEevaluated 23 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-23
300 || !bn_to_mont_fixed_top(ret->A, ret->A, ret->m_ctx, ctx))
!bn_to_mont_fi...t->m_ctx, ctx)Description
TRUEnever evaluated
FALSEevaluated 23 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-23
301 goto err;
never executed: goto err;
0
302 }
executed 23 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
23
303-
304 return ret;
executed 1748 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
1748
305 err:-
306 if (b == NULL) {
b == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
307 BN_BLINDING_free(ret);-
308 ret = NULL;-
309 }
never executed: end of block
0
310-
311 return ret;
never executed: return ret;
0
312}-
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