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- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.] */
-
- #include <openssl/obj.h>
-
- #include "../internal.h"
-
-
- typedef struct {
- int sign_nid;
- int digest_nid;
- int pkey_nid;
- } nid_triple;
-
- static const nid_triple kTriples[] = {
- // RSA PKCS#1.
- {NID_md4WithRSAEncryption, NID_md4, NID_rsaEncryption},
- {NID_md5WithRSAEncryption, NID_md5, NID_rsaEncryption},
- {NID_sha1WithRSAEncryption, NID_sha1, NID_rsaEncryption},
- {NID_sha224WithRSAEncryption, NID_sha224, NID_rsaEncryption},
- {NID_sha256WithRSAEncryption, NID_sha256, NID_rsaEncryption},
- {NID_sha384WithRSAEncryption, NID_sha384, NID_rsaEncryption},
- {NID_sha512WithRSAEncryption, NID_sha512, NID_rsaEncryption},
- // DSA.
- {NID_dsaWithSHA1, NID_sha1, NID_dsa},
- {NID_dsaWithSHA1_2, NID_sha1, NID_dsa_2},
- {NID_dsa_with_SHA224, NID_sha224, NID_dsa},
- {NID_dsa_with_SHA256, NID_sha256, NID_dsa},
- // ECDSA.
- {NID_ecdsa_with_SHA1, NID_sha1, NID_X9_62_id_ecPublicKey},
- {NID_ecdsa_with_SHA224, NID_sha224, NID_X9_62_id_ecPublicKey},
- {NID_ecdsa_with_SHA256, NID_sha256, NID_X9_62_id_ecPublicKey},
- {NID_ecdsa_with_SHA384, NID_sha384, NID_X9_62_id_ecPublicKey},
- {NID_ecdsa_with_SHA512, NID_sha512, NID_X9_62_id_ecPublicKey},
- // The following algorithms use more complex (or simpler) parameters. The
- // digest "undef" indicates the caller should handle this explicitly.
- {NID_rsassaPss, NID_undef, NID_rsaEncryption},
- {NID_ED25519, NID_undef, NID_ED25519},
- };
-
- int OBJ_find_sigid_algs(int sign_nid, int *out_digest_nid, int *out_pkey_nid) {
- for (size_t i = 0; i < OPENSSL_ARRAY_SIZE(kTriples); i++) {
- if (kTriples[i].sign_nid == sign_nid) {
- if (out_digest_nid != NULL) {
- *out_digest_nid = kTriples[i].digest_nid;
- }
- if (out_pkey_nid != NULL) {
- *out_pkey_nid = kTriples[i].pkey_nid;
- }
- return 1;
- }
- }
-
- return 0;
- }
-
- int OBJ_find_sigid_by_algs(int *out_sign_nid, int digest_nid, int pkey_nid) {
- for (size_t i = 0; i < OPENSSL_ARRAY_SIZE(kTriples); i++) {
- if (kTriples[i].digest_nid == digest_nid &&
- kTriples[i].pkey_nid == pkey_nid) {
- if (out_sign_nid != NULL) {
- *out_sign_nid = kTriples[i].sign_nid;
- }
- return 1;
- }
- }
-
- return 0;
- }
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