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129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <stdio.h>
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#include <openssl/core_names.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/opensslv.h>
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#include <openssl/param_build.h>
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/*
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* The test vectors were generated using OpenSSL 3.0 and
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* util/gen-eddsa-vectors.c. Rerunning will generate a new set of
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* test vectors as the private key is not preserved.
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*
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* e.g.
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* cc util/gen-eddsa-vectors.c -I /opt/local/include \
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* -L /opt/local/lib -lcrypto
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*/
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int
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main() {
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EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_id(NID_ED25519, NULL);
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EVP_PKEY *pkey = NULL;
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unsigned char buf[512];
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size_t bytes;
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EVP_MD_CTX *evp_md_ctx = EVP_MD_CTX_create();
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if (ctx == NULL || evp_md_ctx == NULL) {
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ERR_clear_error();
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return (1);
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}
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if (EVP_PKEY_keygen_init(ctx) != 1 ||
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EVP_PKEY_keygen(ctx, &pkey) != 1 || pkey == NULL)
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{
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ERR_clear_error();
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return (1);
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}
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bytes = sizeof(buf);
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if (EVP_PKEY_get_raw_public_key(pkey, buf, &bytes) != 1) {
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ERR_clear_error();
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return (1);
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}
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printf("unsigned char ed25519_pub[] = \"");
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for (size_t i = 0; i < bytes; i++) {
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printf("\\x%02x", buf[i]);
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}
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printf("\";\n");
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bytes = sizeof(buf);
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if (EVP_DigestSignInit(evp_md_ctx, NULL, NULL, NULL, pkey) != 1 ||
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EVP_DigestSign(evp_md_ctx, buf, &bytes,
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(const unsigned char *)"test", 4) != 1)
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{
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ERR_clear_error();
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return (1);
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}
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printf("unsigned char ed25519_sig[] = \"");
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for (size_t i = 0; i < bytes; i++) {
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printf("\\x%02x", buf[i]);
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}
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printf("\";\n\n");
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EVP_MD_CTX_free(evp_md_ctx);
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EVP_PKEY_free(pkey);
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pkey = NULL;
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ctx = EVP_PKEY_CTX_new_id(NID_ED448, NULL);
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evp_md_ctx = EVP_MD_CTX_create();
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if (ctx == NULL || evp_md_ctx == NULL) {
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ERR_clear_error();
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return (1);
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}
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if (EVP_PKEY_keygen_init(ctx) != 1 ||
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EVP_PKEY_keygen(ctx, &pkey) != 1 || pkey == NULL)
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{
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ERR_clear_error();
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return (1);
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}
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bytes = sizeof(buf);
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if (EVP_PKEY_get_raw_public_key(pkey, buf, &bytes) != 1) {
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ERR_clear_error();
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return (1);
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}
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printf("unsigned char ed448_pub[] = \"");
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for (size_t i = 0; i < bytes; i++) {
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printf("\\x%02x", buf[i]);
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}
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printf("\";\n");
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bytes = sizeof(buf);
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if (EVP_DigestSignInit(evp_md_ctx, NULL, NULL, NULL, pkey) != 1 ||
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EVP_DigestSign(evp_md_ctx, buf, &bytes,
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(const unsigned char *)"test", 4) != 1)
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{
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ERR_clear_error();
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return (1);
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}
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printf("unsigned char ed448_sig[] = \"");
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for (size_t i = 0; i < bytes; i++) {
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printf("\\x%02x", buf[i]);
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}
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printf("\";\n\n");
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EVP_MD_CTX_free(evp_md_ctx);
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EVP_PKEY_free(pkey);
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return (0);
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}
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