/src/openssl/crypto/ec/ec_deprecated.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright 2002-2021 The OpenSSL Project Authors. All Rights Reserved. |
3 | | * |
4 | | * Licensed under the Apache License 2.0 (the "License"). You may not use |
5 | | * this file except in compliance with the License. You can obtain a copy |
6 | | * in the file LICENSE in the source distribution or at |
7 | | * https://www.openssl.org/source/license.html |
8 | | */ |
9 | | |
10 | | /* |
11 | | * Suppress deprecation warnings for EC low level implementations that are |
12 | | * kept until removal. |
13 | | */ |
14 | | #define OPENSSL_SUPPRESS_DEPRECATED |
15 | | |
16 | | #include <openssl/crypto.h> |
17 | | #include <openssl/err.h> |
18 | | #include <openssl/ec.h> |
19 | | |
20 | | #ifndef OPENSSL_NO_DEPRECATED_3_0 |
21 | | BIGNUM *EC_POINT_point2bn(const EC_GROUP *group, |
22 | | const EC_POINT *point, |
23 | | point_conversion_form_t form, |
24 | | BIGNUM *ret, BN_CTX *ctx) |
25 | 0 | { |
26 | 0 | size_t buf_len = 0; |
27 | 0 | unsigned char *buf; |
28 | |
|
29 | 0 | buf_len = EC_POINT_point2buf(group, point, form, &buf, ctx); |
30 | |
|
31 | 0 | if (buf_len == 0) |
32 | 0 | return NULL; |
33 | | |
34 | 0 | ret = BN_bin2bn(buf, buf_len, ret); |
35 | |
|
36 | 0 | OPENSSL_free(buf); |
37 | |
|
38 | 0 | return ret; |
39 | 0 | } |
40 | | |
41 | | EC_POINT *EC_POINT_bn2point(const EC_GROUP *group, |
42 | | const BIGNUM *bn, EC_POINT *point, BN_CTX *ctx) |
43 | 0 | { |
44 | 0 | size_t buf_len = 0; |
45 | 0 | unsigned char *buf; |
46 | 0 | EC_POINT *ret; |
47 | |
|
48 | 0 | if ((buf_len = BN_num_bytes(bn)) == 0) |
49 | 0 | buf_len = 1; |
50 | 0 | if ((buf = OPENSSL_malloc(buf_len)) == NULL) { |
51 | 0 | ECerr(EC_F_EC_POINT_BN2POINT, ERR_R_MALLOC_FAILURE); |
52 | 0 | return NULL; |
53 | 0 | } |
54 | | |
55 | 0 | if (BN_bn2binpad(bn, buf, buf_len) < 0) { |
56 | 0 | OPENSSL_free(buf); |
57 | 0 | return NULL; |
58 | 0 | } |
59 | | |
60 | 0 | if (point == NULL) { |
61 | 0 | if ((ret = EC_POINT_new(group)) == NULL) { |
62 | 0 | OPENSSL_free(buf); |
63 | 0 | return NULL; |
64 | 0 | } |
65 | 0 | } else |
66 | 0 | ret = point; |
67 | | |
68 | 0 | if (!EC_POINT_oct2point(group, ret, buf, buf_len, ctx)) { |
69 | 0 | if (ret != point) |
70 | 0 | EC_POINT_clear_free(ret); |
71 | 0 | OPENSSL_free(buf); |
72 | 0 | return NULL; |
73 | 0 | } |
74 | | |
75 | 0 | OPENSSL_free(buf); |
76 | 0 | return ret; |
77 | 0 | } |
78 | | #endif /* OPENSSL_NO_DEPRECATED_3_0 */ |