Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 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 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 59 | #include "../internal.h" |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 60 | |
| 61 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 62 | typedef struct { |
| 63 | int sign_nid; |
| 64 | int digest_nid; |
| 65 | int pkey_nid; |
| 66 | } nid_triple; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 67 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 68 | static 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}, |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 88 | /* The following algorithms use more complex (or simpler) parameters. The |
| 89 | * digest "undef" indicates the caller should handle this explicitly. */ |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 90 | {NID_rsassaPss, NID_undef, NID_rsaEncryption}, |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 91 | {NID_Ed25519, NID_undef, NID_Ed25519}, |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 92 | }; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 93 | |
| 94 | int OBJ_find_sigid_algs(int sign_nid, int *out_digest_nid, int *out_pkey_nid) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 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 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 105 | } |
| 106 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 107 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | int OBJ_find_sigid_by_algs(int *out_sign_nid, int digest_nid, int pkey_nid) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 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 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 119 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 120 | |
| 121 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 122 | } |