1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57#include <openssl/obj.h>
58
59#include "../internal.h"
60
61
62typedef struct {
63 int sign_nid;
64 int digest_nid;
65 int pkey_nid;
66} nid_triple;
67
68static const nid_triple kTriples[] = {
69 // RSA PKCS#1.
70 {NID_md4WithRSAEncryption, NID_md4, NID_rsaEncryption},
71 {NID_md5WithRSAEncryption, NID_md5, NID_rsaEncryption},
72 {NID_sha1WithRSAEncryption, NID_sha1, NID_rsaEncryption},
73 {NID_sha224WithRSAEncryption, NID_sha224, NID_rsaEncryption},
74 {NID_sha256WithRSAEncryption, NID_sha256, NID_rsaEncryption},
75 {NID_sha384WithRSAEncryption, NID_sha384, NID_rsaEncryption},
76 {NID_sha512WithRSAEncryption, NID_sha512, NID_rsaEncryption},
77 // DSA.
78 {NID_dsaWithSHA1, NID_sha1, NID_dsa},
79 {NID_dsaWithSHA1_2, NID_sha1, NID_dsa_2},
80 {NID_dsa_with_SHA224, NID_sha224, NID_dsa},
81 {NID_dsa_with_SHA256, NID_sha256, NID_dsa},
82 // ECDSA.
83 {NID_ecdsa_with_SHA1, NID_sha1, NID_X9_62_id_ecPublicKey},
84 {NID_ecdsa_with_SHA224, NID_sha224, NID_X9_62_id_ecPublicKey},
85 {NID_ecdsa_with_SHA256, NID_sha256, NID_X9_62_id_ecPublicKey},
86 {NID_ecdsa_with_SHA384, NID_sha384, NID_X9_62_id_ecPublicKey},
87 {NID_ecdsa_with_SHA512, NID_sha512, NID_X9_62_id_ecPublicKey},
88 // The following algorithms use more complex (or simpler) parameters. The
89 // digest "undef" indicates the caller should handle this explicitly.
90 {NID_rsassaPss, NID_undef, NID_rsaEncryption},
91 {NID_ED25519, NID_undef, NID_ED25519},
92};
93
94int OBJ_find_sigid_algs(int sign_nid, int *out_digest_nid, int *out_pkey_nid) {
95 for (size_t i = 0; i < OPENSSL_ARRAY_SIZE(kTriples); i++) {
96 if (kTriples[i].sign_nid == sign_nid) {
97 if (out_digest_nid != NULL) {
98 *out_digest_nid = kTriples[i].digest_nid;
99 }
100 if (out_pkey_nid != NULL) {
101 *out_pkey_nid = kTriples[i].pkey_nid;
102 }
103 return 1;
104 }
105 }
106
107 return 0;
108}
109
110int OBJ_find_sigid_by_algs(int *out_sign_nid, int digest_nid, int pkey_nid) {
111 for (size_t i = 0; i < OPENSSL_ARRAY_SIZE(kTriples); i++) {
112 if (kTriples[i].digest_nid == digest_nid &&
113 kTriples[i].pkey_nid == pkey_nid) {
114 if (out_sign_nid != NULL) {
115 *out_sign_nid = kTriples[i].sign_nid;
116 }
117 return 1;
118 }
119 }
120
121 return 0;
122}
123