OpenCoverage

ec_oct.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/ec/ec_oct.c
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1/*-
2 * Copyright 2011-2018 The OpenSSL Project Authors. All Rights Reserved.-
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved-
4 *-
5 * Licensed under the OpenSSL license (the "License"). You may not use-
6 * this file except in compliance with the License. You can obtain a copy-
7 * in the file LICENSE in the source distribution or at-
8 * https://www.openssl.org/source/license.html-
9 */-
10-
11#include <string.h>-
12-
13#include <openssl/err.h>-
14#include <openssl/opensslv.h>-
15-
16#include "ec_lcl.h"-
17-
18int EC_POINT_set_compressed_coordinates(const EC_GROUP *group, EC_POINT *point,-
19 const BIGNUM *x, int y_bit, BN_CTX *ctx)-
20{-
21 if (group->meth->point_set_compressed_coordinates == NULL
group->meth->p...== ((void *)0)Description
TRUEevaluated 10571 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-10571
22 && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
!(group->meth->flags & 0x1)Description
TRUEnever evaluated
FALSEevaluated 10571 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-10571
23 ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES,-
24 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);-
25 return 0;
never executed: return 0;
0
26 }-
27 if (!ec_point_is_compat(point, group)) {
!ec_point_is_c...(point, group)Description
TRUEnever evaluated
FALSEevaluated 10571 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-10571
28 ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES,-
29 EC_R_INCOMPATIBLE_OBJECTS);-
30 return 0;
never executed: return 0;
0
31 }-
32 if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
group->meth->flags & 0x1Description
TRUEevaluated 10571 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-10571
33 if (group->meth->field_type == NID_X9_62_prime_field)
group->meth->field_type == 406Description
TRUEevaluated 4526 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 6045 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
4526-6045
34 return ec_GFp_simple_set_compressed_coordinates(group, point, x,
executed 4526 times by 1 test: return ec_GFp_simple_set_compressed_coordinates(group, point, x, y_bit, ctx);
Executed by:
  • libcrypto.so.1.1
4526
35 y_bit, ctx);
executed 4526 times by 1 test: return ec_GFp_simple_set_compressed_coordinates(group, point, x, y_bit, ctx);
Executed by:
  • libcrypto.so.1.1
4526
36 else-
37#ifdef OPENSSL_NO_EC2M-
38 {-
39 ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES,-
40 EC_R_GF2M_NOT_SUPPORTED);-
41 return 0;-
42 }-
43#else-
44 return ec_GF2m_simple_set_compressed_coordinates(group, point, x,
executed 6045 times by 1 test: return ec_GF2m_simple_set_compressed_coordinates(group, point, x, y_bit, ctx);
Executed by:
  • libcrypto.so.1.1
6045
45 y_bit, ctx);
executed 6045 times by 1 test: return ec_GF2m_simple_set_compressed_coordinates(group, point, x, y_bit, ctx);
Executed by:
  • libcrypto.so.1.1
6045
46#endif-
47 }-
48 return group->meth->point_set_compressed_coordinates(group, point, x,
never executed: return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
0
49 y_bit, ctx);
never executed: return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
0
50}-
51-
52#if OPENSSL_API_COMPAT < 0x10200000L-
53int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,-
54 EC_POINT *point, const BIGNUM *x,-
55 int y_bit, BN_CTX *ctx)-
56{-
57 return EC_POINT_set_compressed_coordinates(group, point, x, y_bit, ctx);
never executed: return EC_POINT_set_compressed_coordinates(group, point, x, y_bit, ctx);
0
58}-
59-
60# ifndef OPENSSL_NO_EC2M-
61int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,-
62 EC_POINT *point, const BIGNUM *x,-
63 int y_bit, BN_CTX *ctx)-
64{-
65 return EC_POINT_set_compressed_coordinates(group, point, x, y_bit, ctx);
never executed: return EC_POINT_set_compressed_coordinates(group, point, x, y_bit, ctx);
0
66}-
67# endif-
68#endif-
69-
70size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,-
71 point_conversion_form_t form, unsigned char *buf,-
72 size_t len, BN_CTX *ctx)-
73{-
74 if (group->meth->point2oct == 0
group->meth->point2oct == 0Description
TRUEevaluated 41855 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-41855
75 && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
!(group->meth->flags & 0x1)Description
TRUEnever evaluated
FALSEevaluated 41855 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-41855
76 ECerr(EC_F_EC_POINT_POINT2OCT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);-
77 return 0;
never executed: return 0;
0
78 }-
79 if (!ec_point_is_compat(point, group)) {
!ec_point_is_c...(point, group)Description
TRUEnever evaluated
FALSEevaluated 41855 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-41855
80 ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_INCOMPATIBLE_OBJECTS);-
81 return 0;
never executed: return 0;
0
82 }-
83 if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
group->meth->flags & 0x1Description
TRUEevaluated 41855 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-41855
84 if (group->meth->field_type == NID_X9_62_prime_field)
group->meth->field_type == 406Description
TRUEevaluated 41654 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 201 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
201-41654
85 return ec_GFp_simple_point2oct(group, point, form, buf, len, ctx);
executed 41654 times by 1 test: return ec_GFp_simple_point2oct(group, point, form, buf, len, ctx);
Executed by:
  • libcrypto.so.1.1
41654
86 else-
87#ifdef OPENSSL_NO_EC2M-
88 {-
89 ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_GF2M_NOT_SUPPORTED);-
90 return 0;-
91 }-
92#else-
93 return ec_GF2m_simple_point2oct(group, point,
executed 201 times by 1 test: return ec_GF2m_simple_point2oct(group, point, form, buf, len, ctx);
Executed by:
  • libcrypto.so.1.1
201
94 form, buf, len, ctx);
executed 201 times by 1 test: return ec_GF2m_simple_point2oct(group, point, form, buf, len, ctx);
Executed by:
  • libcrypto.so.1.1
201
95#endif-
96 }-
97-
98 return group->meth->point2oct(group, point, form, buf, len, ctx);
never executed: return group->meth->point2oct(group, point, form, buf, len, ctx);
0
99}-
100-
101int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,-
102 const unsigned char *buf, size_t len, BN_CTX *ctx)-
103{-
104 if (group->meth->oct2point == 0
group->meth->oct2point == 0Description
TRUEevaluated 34424 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-34424
105 && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
!(group->meth->flags & 0x1)Description
TRUEnever evaluated
FALSEevaluated 34424 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-34424
106 ECerr(EC_F_EC_POINT_OCT2POINT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);-
107 return 0;
never executed: return 0;
0
108 }-
109 if (!ec_point_is_compat(point, group)) {
!ec_point_is_c...(point, group)Description
TRUEnever evaluated
FALSEevaluated 34424 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-34424
110 ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_INCOMPATIBLE_OBJECTS);-
111 return 0;
never executed: return 0;
0
112 }-
113 if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
group->meth->flags & 0x1Description
TRUEevaluated 34424 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-34424
114 if (group->meth->field_type == NID_X9_62_prime_field)
group->meth->field_type == 406Description
TRUEevaluated 25155 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 9269 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
9269-25155
115 return ec_GFp_simple_oct2point(group, point, buf, len, ctx);
executed 25155 times by 1 test: return ec_GFp_simple_oct2point(group, point, buf, len, ctx);
Executed by:
  • libcrypto.so.1.1
25155
116 else-
117#ifdef OPENSSL_NO_EC2M-
118 {-
119 ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_GF2M_NOT_SUPPORTED);-
120 return 0;-
121 }-
122#else-
123 return ec_GF2m_simple_oct2point(group, point, buf, len, ctx);
executed 9269 times by 1 test: return ec_GF2m_simple_oct2point(group, point, buf, len, ctx);
Executed by:
  • libcrypto.so.1.1
9269
124#endif-
125 }-
126 return group->meth->oct2point(group, point, buf, len, ctx);
never executed: return group->meth->oct2point(group, point, buf, len, ctx);
0
127}-
128-
129size_t EC_POINT_point2buf(const EC_GROUP *group, const EC_POINT *point,-
130 point_conversion_form_t form,-
131 unsigned char **pbuf, BN_CTX *ctx)-
132{-
133 size_t len;-
134 unsigned char *buf;-
135-
136 len = EC_POINT_point2oct(group, point, form, NULL, 0, NULL);-
137 if (len == 0)
len == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1285 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-1285
138 return 0;
executed 2 times by 1 test: return 0;
Executed by:
  • libcrypto.so.1.1
2
139 if ((buf = OPENSSL_malloc(len)) == NULL) {
(buf = CRYPTO_...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1285 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1285
140 ECerr(EC_F_EC_POINT_POINT2BUF, ERR_R_MALLOC_FAILURE);-
141 return 0;
never executed: return 0;
0
142 }-
143 len = EC_POINT_point2oct(group, point, form, buf, len, ctx);-
144 if (len == 0) {
len == 0Description
TRUEnever evaluated
FALSEevaluated 1285 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1285
145 OPENSSL_free(buf);-
146 return 0;
never executed: return 0;
0
147 }-
148 *pbuf = buf;-
149 return len;
executed 1285 times by 1 test: return len;
Executed by:
  • libcrypto.so.1.1
1285
150}-
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