/src/openssl/crypto/asn1/x_algor.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright 1998-2016 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 <stddef.h> |
11 | | #include <openssl/x509.h> |
12 | | #include <openssl/asn1.h> |
13 | | #include <openssl/asn1t.h> |
14 | | #include "internal/evp_int.h" |
15 | | |
16 | | ASN1_SEQUENCE(X509_ALGOR) = { |
17 | | ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT), |
18 | | ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY) |
19 | | } ASN1_SEQUENCE_END(X509_ALGOR) |
20 | | |
21 | | ASN1_ITEM_TEMPLATE(X509_ALGORS) = |
22 | | ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR) |
23 | | ASN1_ITEM_TEMPLATE_END(X509_ALGORS) |
24 | | |
25 | | IMPLEMENT_ASN1_FUNCTIONS(X509_ALGOR) |
26 | | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(X509_ALGORS, X509_ALGORS, X509_ALGORS) |
27 | | IMPLEMENT_ASN1_DUP_FUNCTION(X509_ALGOR) |
28 | | |
29 | | int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval) |
30 | 0 | { |
31 | 0 | if (alg == NULL) |
32 | 0 | return 0; |
33 | 0 | |
34 | 0 | if (ptype != V_ASN1_UNDEF) { |
35 | 0 | if (alg->parameter == NULL) |
36 | 0 | alg->parameter = ASN1_TYPE_new(); |
37 | 0 | if (alg->parameter == NULL) |
38 | 0 | return 0; |
39 | 0 | } |
40 | 0 | |
41 | 0 | ASN1_OBJECT_free(alg->algorithm); |
42 | 0 | alg->algorithm = aobj; |
43 | 0 |
|
44 | 0 | if (ptype == 0) |
45 | 0 | return 1; |
46 | 0 | if (ptype == V_ASN1_UNDEF) { |
47 | 0 | ASN1_TYPE_free(alg->parameter); |
48 | 0 | alg->parameter = NULL; |
49 | 0 | } else |
50 | 0 | ASN1_TYPE_set(alg->parameter, ptype, pval); |
51 | 0 | return 1; |
52 | 0 | } |
53 | | |
54 | | void X509_ALGOR_get0(const ASN1_OBJECT **paobj, int *pptype, |
55 | | const void **ppval, const X509_ALGOR *algor) |
56 | 0 | { |
57 | 0 | if (paobj) |
58 | 0 | *paobj = algor->algorithm; |
59 | 0 | if (pptype) { |
60 | 0 | if (algor->parameter == NULL) { |
61 | 0 | *pptype = V_ASN1_UNDEF; |
62 | 0 | return; |
63 | 0 | } else |
64 | 0 | *pptype = algor->parameter->type; |
65 | 0 | if (ppval) |
66 | 0 | *ppval = algor->parameter->value.ptr; |
67 | 0 | } |
68 | 0 | } |
69 | | |
70 | | /* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */ |
71 | | |
72 | | void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md) |
73 | 0 | { |
74 | 0 | int param_type; |
75 | 0 |
|
76 | 0 | if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT) |
77 | 0 | param_type = V_ASN1_UNDEF; |
78 | 0 | else |
79 | 0 | param_type = V_ASN1_NULL; |
80 | 0 |
|
81 | 0 | X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL); |
82 | 0 |
|
83 | 0 | } |
84 | | |
85 | | int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b) |
86 | 0 | { |
87 | 0 | int rv; |
88 | 0 | rv = OBJ_cmp(a->algorithm, b->algorithm); |
89 | 0 | if (rv) |
90 | 0 | return rv; |
91 | 0 | if (!a->parameter && !b->parameter) |
92 | 0 | return 0; |
93 | 0 | return ASN1_TYPE_cmp(a->parameter, b->parameter); |
94 | 0 | } |