mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-22 10:10:06 +00:00
edfbe5c30f
Fedora 33 doesn't support RSASHA1 in future mode. There is no easy check for this other than by attempting to perform a verification using known good signatures. We don't attempt to sign with RSASHA1 as that would not work in FIPS mode. RSASHA1 is verify only. The test vectors were generated using OpenSSL 3.0 and util/gen-rsa-sha-vectors.c. Rerunning will generate a new set of test vectors as the private key is not preserved. e.g. cc util/gen-rsa-sha-vectors.c -I /opt/local/include \ -L /opt/local/lib -lcrypto
1813 lines
45 KiB
C
1813 lines
45 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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/*! \file */
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#include <inttypes.h>
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#include <stdbool.h>
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#include <openssl/bn.h>
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#include <openssl/opensslv.h>
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#if OPENSSL_VERSION_NUMBER >= 0x30000000L
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#include <openssl/core_names.h>
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#endif
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#if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000
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#include <openssl/engine.h>
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#endif /* if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000 */
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#include <openssl/err.h>
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#include <openssl/objects.h>
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#if OPENSSL_VERSION_NUMBER >= 0x30000000L
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#include <openssl/param_build.h>
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#endif
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#include <openssl/rsa.h>
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#include <isc/mem.h>
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#include <isc/result.h>
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#include <isc/safe.h>
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#include <isc/string.h>
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#include <isc/util.h>
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#include "dst_internal.h"
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#include "dst_openssl.h"
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#include "dst_parse.h"
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#include "openssl_shim.h"
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#define DST_RET(a) \
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{ \
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ret = a; \
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goto err; \
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}
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static isc_result_t
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opensslrsa_createctx(dst_key_t *key, dst_context_t *dctx) {
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EVP_MD_CTX *evp_md_ctx;
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const EVP_MD *type = NULL;
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UNUSED(key);
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REQUIRE(dctx->key->key_alg == DST_ALG_RSASHA1 ||
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dctx->key->key_alg == DST_ALG_NSEC3RSASHA1 ||
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dctx->key->key_alg == DST_ALG_RSASHA256 ||
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dctx->key->key_alg == DST_ALG_RSASHA512);
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/*
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* Reject incorrect RSA key lengths.
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*/
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switch (dctx->key->key_alg) {
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case DST_ALG_RSASHA1:
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case DST_ALG_NSEC3RSASHA1:
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/* From RFC 3110 */
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if (dctx->key->key_size > 4096) {
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return (ISC_R_FAILURE);
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}
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break;
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case DST_ALG_RSASHA256:
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/* From RFC 5702 */
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if (dctx->key->key_size < 512 || dctx->key->key_size > 4096) {
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return (ISC_R_FAILURE);
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}
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break;
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case DST_ALG_RSASHA512:
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/* From RFC 5702 */
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if (dctx->key->key_size < 1024 || dctx->key->key_size > 4096) {
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return (ISC_R_FAILURE);
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}
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break;
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default:
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UNREACHABLE();
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}
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evp_md_ctx = EVP_MD_CTX_create();
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if (evp_md_ctx == NULL) {
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return (ISC_R_NOMEMORY);
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}
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switch (dctx->key->key_alg) {
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case DST_ALG_RSASHA1:
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case DST_ALG_NSEC3RSASHA1:
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type = EVP_sha1(); /* SHA1 + RSA */
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break;
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case DST_ALG_RSASHA256:
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type = EVP_sha256(); /* SHA256 + RSA */
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break;
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case DST_ALG_RSASHA512:
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type = EVP_sha512();
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break;
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default:
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UNREACHABLE();
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}
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if (!EVP_DigestInit_ex(evp_md_ctx, type, NULL)) {
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EVP_MD_CTX_destroy(evp_md_ctx);
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return (dst__openssl_toresult3(
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dctx->category, "EVP_DigestInit_ex", ISC_R_FAILURE));
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}
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dctx->ctxdata.evp_md_ctx = evp_md_ctx;
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return (ISC_R_SUCCESS);
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}
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static void
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opensslrsa_destroyctx(dst_context_t *dctx) {
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EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
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REQUIRE(dctx->key->key_alg == DST_ALG_RSASHA1 ||
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dctx->key->key_alg == DST_ALG_NSEC3RSASHA1 ||
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dctx->key->key_alg == DST_ALG_RSASHA256 ||
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dctx->key->key_alg == DST_ALG_RSASHA512);
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if (evp_md_ctx != NULL) {
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EVP_MD_CTX_destroy(evp_md_ctx);
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dctx->ctxdata.evp_md_ctx = NULL;
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}
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}
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static isc_result_t
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opensslrsa_adddata(dst_context_t *dctx, const isc_region_t *data) {
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EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
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REQUIRE(dctx->key->key_alg == DST_ALG_RSASHA1 ||
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dctx->key->key_alg == DST_ALG_NSEC3RSASHA1 ||
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dctx->key->key_alg == DST_ALG_RSASHA256 ||
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dctx->key->key_alg == DST_ALG_RSASHA512);
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if (!EVP_DigestUpdate(evp_md_ctx, data->base, data->length)) {
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return (dst__openssl_toresult3(
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dctx->category, "EVP_DigestUpdate", ISC_R_FAILURE));
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}
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return (ISC_R_SUCCESS);
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}
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static isc_result_t
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opensslrsa_sign(dst_context_t *dctx, isc_buffer_t *sig) {
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dst_key_t *key = dctx->key;
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isc_region_t r;
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unsigned int siglen = 0;
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EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
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EVP_PKEY *pkey = key->keydata.pkey;
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REQUIRE(dctx->key->key_alg == DST_ALG_RSASHA1 ||
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dctx->key->key_alg == DST_ALG_NSEC3RSASHA1 ||
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dctx->key->key_alg == DST_ALG_RSASHA256 ||
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dctx->key->key_alg == DST_ALG_RSASHA512);
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isc_buffer_availableregion(sig, &r);
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if (r.length < (unsigned int)EVP_PKEY_size(pkey)) {
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return (ISC_R_NOSPACE);
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}
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if (!EVP_SignFinal(evp_md_ctx, r.base, &siglen, pkey)) {
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return (dst__openssl_toresult3(dctx->category, "EVP_SignFinal",
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ISC_R_FAILURE));
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}
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isc_buffer_add(sig, siglen);
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return (ISC_R_SUCCESS);
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}
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static isc_result_t
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opensslrsa_verify2(dst_context_t *dctx, int maxbits, const isc_region_t *sig) {
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dst_key_t *key = dctx->key;
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int status = 0;
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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RSA *rsa;
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const BIGNUM *e = NULL;
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#else
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BIGNUM *e = NULL;
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
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EVP_PKEY *pkey = key->keydata.pkey;
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int bits;
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REQUIRE(dctx->key->key_alg == DST_ALG_RSASHA1 ||
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dctx->key->key_alg == DST_ALG_NSEC3RSASHA1 ||
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dctx->key->key_alg == DST_ALG_RSASHA256 ||
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dctx->key->key_alg == DST_ALG_RSASHA512);
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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rsa = EVP_PKEY_get1_RSA(pkey);
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if (rsa == NULL) {
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return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
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}
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RSA_get0_key(rsa, NULL, &e, NULL);
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if (e == NULL) {
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return (dst__openssl_toresult(DST_R_VERIFYFAILURE));
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}
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bits = BN_num_bits(e);
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RSA_free(rsa);
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#else
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EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, &e);
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if (e == NULL) {
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return (dst__openssl_toresult(DST_R_VERIFYFAILURE));
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}
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bits = BN_num_bits(e);
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BN_free(e);
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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if (bits > maxbits && maxbits != 0) {
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return (DST_R_VERIFYFAILURE);
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}
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status = EVP_VerifyFinal(evp_md_ctx, sig->base, sig->length, pkey);
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switch (status) {
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case 1:
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return (ISC_R_SUCCESS);
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case 0:
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return (dst__openssl_toresult(DST_R_VERIFYFAILURE));
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default:
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return (dst__openssl_toresult3(dctx->category,
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"EVP_VerifyFinal",
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DST_R_VERIFYFAILURE));
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}
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}
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static isc_result_t
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opensslrsa_verify(dst_context_t *dctx, const isc_region_t *sig) {
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return (opensslrsa_verify2(dctx, 0, sig));
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}
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static bool
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opensslrsa_compare(const dst_key_t *key1, const dst_key_t *key2) {
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bool ret;
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int status;
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EVP_PKEY *pkey1 = key1->keydata.pkey;
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EVP_PKEY *pkey2 = key2->keydata.pkey;
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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RSA *rsa1 = NULL;
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RSA *rsa2 = NULL;
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const BIGNUM *d1 = NULL, *d2 = NULL;
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const BIGNUM *p1 = NULL, *p2 = NULL;
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const BIGNUM *q1 = NULL, *q2 = NULL;
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#else
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BIGNUM *d1 = NULL, *d2 = NULL;
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BIGNUM *p1 = NULL, *p2 = NULL;
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BIGNUM *q1 = NULL, *q2 = NULL;
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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if (pkey1 == NULL && pkey2 == NULL) {
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return (true);
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} else if (pkey1 == NULL || pkey2 == NULL) {
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return (false);
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}
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/* `EVP_PKEY_eq` checks only the public key components and paramters. */
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status = EVP_PKEY_eq(pkey1, pkey2);
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if (status != 1) {
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DST_RET(false);
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}
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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rsa1 = EVP_PKEY_get1_RSA(pkey1);
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rsa2 = EVP_PKEY_get1_RSA(pkey2);
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if (rsa1 == NULL && rsa2 == NULL) {
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DST_RET(true);
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} else if (rsa1 == NULL || rsa2 == NULL) {
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DST_RET(false);
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}
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RSA_get0_key(rsa1, NULL, NULL, &d1);
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RSA_get0_key(rsa2, NULL, NULL, &d2);
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#else
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EVP_PKEY_get_bn_param(pkey1, OSSL_PKEY_PARAM_RSA_D, &d1);
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EVP_PKEY_get_bn_param(pkey2, OSSL_PKEY_PARAM_RSA_D, &d2);
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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if (d1 != NULL || d2 != NULL) {
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if (d1 == NULL || d2 == NULL) {
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DST_RET(false);
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}
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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RSA_get0_factors(rsa1, &p1, &q1);
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RSA_get0_factors(rsa2, &p2, &q2);
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#else
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EVP_PKEY_get_bn_param(pkey1, OSSL_PKEY_PARAM_RSA_FACTOR1, &p1);
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EVP_PKEY_get_bn_param(pkey1, OSSL_PKEY_PARAM_RSA_FACTOR2, &q1);
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EVP_PKEY_get_bn_param(pkey2, OSSL_PKEY_PARAM_RSA_FACTOR1, &p2);
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EVP_PKEY_get_bn_param(pkey2, OSSL_PKEY_PARAM_RSA_FACTOR2, &q2);
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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if (BN_cmp(d1, d2) != 0 || BN_cmp(p1, p2) != 0 ||
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BN_cmp(q1, q2) != 0) {
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DST_RET(false);
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}
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}
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ret = true;
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err:
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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if (rsa1 != NULL) {
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RSA_free(rsa1);
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}
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if (rsa2 != NULL) {
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RSA_free(rsa2);
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}
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#else
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if (d1 != NULL) {
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BN_clear_free(d1);
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}
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if (d2 != NULL) {
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BN_clear_free(d2);
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}
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if (p1 != NULL) {
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BN_clear_free(p1);
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}
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if (p2 != NULL) {
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BN_clear_free(p2);
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}
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if (q1 != NULL) {
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BN_clear_free(q1);
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}
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if (q2 != NULL) {
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BN_clear_free(q2);
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}
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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return (ret);
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}
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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static int
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progress_cb(int p, int n, BN_GENCB *cb) {
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union {
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void *dptr;
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void (*fptr)(int);
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} u;
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UNUSED(n);
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u.dptr = BN_GENCB_get_arg(cb);
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if (u.fptr != NULL) {
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u.fptr(p);
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}
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return (1);
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}
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#else
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static int
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progress_cb(EVP_PKEY_CTX *ctx) {
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union {
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void *dptr;
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void (*fptr)(int);
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} u;
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u.dptr = EVP_PKEY_CTX_get_app_data(ctx);
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if (u.fptr != NULL) {
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int p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
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u.fptr(p);
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}
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return (1);
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}
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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static isc_result_t
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opensslrsa_generate(dst_key_t *key, int exp, void (*callback)(int)) {
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isc_result_t ret;
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union {
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void *dptr;
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void (*fptr)(int);
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} u;
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BIGNUM *e = BN_new();
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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RSA *rsa = RSA_new();
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EVP_PKEY *pkey = EVP_PKEY_new();
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#if !HAVE_BN_GENCB_NEW
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BN_GENCB _cb;
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#endif /* !HAVE_BN_GENCB_NEW */
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BN_GENCB *cb = NULL;
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#else
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EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL);
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EVP_PKEY *pkey = NULL;
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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if (e == NULL || rsa == NULL || pkey == NULL) {
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DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
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}
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#else
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if (e == NULL || ctx == NULL) {
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DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
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}
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#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
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|
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/*
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* Reject incorrect RSA key lengths.
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*/
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switch (key->key_alg) {
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case DST_ALG_RSASHA1:
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case DST_ALG_NSEC3RSASHA1:
|
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/* From RFC 3110 */
|
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if (key->key_size > 4096) {
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DST_RET(DST_R_INVALIDPARAM);
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}
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break;
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case DST_ALG_RSASHA256:
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/* From RFC 5702 */
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if (key->key_size < 512 || key->key_size > 4096) {
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DST_RET(DST_R_INVALIDPARAM);
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}
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break;
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case DST_ALG_RSASHA512:
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/* From RFC 5702 */
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if (key->key_size < 1024 || key->key_size > 4096) {
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DST_RET(DST_R_INVALIDPARAM);
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}
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break;
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default:
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UNREACHABLE();
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}
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|
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if (exp == 0) {
|
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/* RSA_F4 0x10001 */
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BN_set_bit(e, 0);
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BN_set_bit(e, 16);
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} else {
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|
/* (phased-out) F5 0x100000001 */
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BN_set_bit(e, 0);
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BN_set_bit(e, 32);
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}
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#if OPENSSL_VERSION_NUMBER < 0x30000000L
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if (EVP_PKEY_set1_RSA(pkey, rsa) != 1) {
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DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
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}
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|
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if (callback != NULL) {
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cb = BN_GENCB_new();
|
|
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
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if (cb == NULL) {
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DST_RET(dst__openssl_toresult(ISC_R_NOMEMORY));
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}
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|
#endif /* if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
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* !defined(LIBRESSL_VERSION_NUMBER) */
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u.fptr = callback;
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BN_GENCB_set(cb, progress_cb, u.dptr);
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}
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if (RSA_generate_key_ex(rsa, key->key_size, e, cb) != 1) {
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|
DST_RET(dst__openssl_toresult2("RSA_generate_key_ex",
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DST_R_OPENSSLFAILURE));
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}
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|
#else
|
|
if (EVP_PKEY_keygen_init(ctx) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
if (EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, (int)key->key_size) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
if (EVP_PKEY_CTX_set1_rsa_keygen_pubexp(ctx, e) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
if (callback != NULL) {
|
|
u.fptr = callback;
|
|
EVP_PKEY_CTX_set_app_data(ctx, u.dptr);
|
|
EVP_PKEY_CTX_set_cb(ctx, progress_cb);
|
|
}
|
|
|
|
if (EVP_PKEY_keygen(ctx, &pkey) != 1 || pkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_keygen",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
key->keydata.pkey = pkey;
|
|
pkey = NULL;
|
|
ret = ISC_R_SUCCESS;
|
|
|
|
err:
|
|
if (pkey != NULL) {
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
if (rsa != NULL) {
|
|
RSA_free(rsa);
|
|
}
|
|
if (cb != NULL) {
|
|
BN_GENCB_free(cb);
|
|
}
|
|
#else
|
|
if (ctx != NULL) {
|
|
EVP_PKEY_CTX_free(ctx);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
if (e != NULL) {
|
|
BN_free(e);
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
static bool
|
|
opensslrsa_isprivate(const dst_key_t *key) {
|
|
bool ret;
|
|
EVP_PKEY *pkey;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA *rsa;
|
|
const BIGNUM *d = NULL;
|
|
#else
|
|
BIGNUM *d = NULL;
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
REQUIRE(key->key_alg == DST_ALG_RSASHA1 ||
|
|
key->key_alg == DST_ALG_NSEC3RSASHA1 ||
|
|
key->key_alg == DST_ALG_RSASHA256 ||
|
|
key->key_alg == DST_ALG_RSASHA512);
|
|
|
|
pkey = key->keydata.pkey;
|
|
if (pkey == NULL) {
|
|
return (false);
|
|
}
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = EVP_PKEY_get1_RSA(pkey);
|
|
INSIST(rsa != NULL);
|
|
|
|
if (RSA_test_flags(rsa, RSA_FLAG_EXT_PKEY) != 0) {
|
|
ret = true;
|
|
} else {
|
|
RSA_get0_key(rsa, NULL, NULL, &d);
|
|
ret = (d != NULL);
|
|
}
|
|
RSA_free(rsa);
|
|
#else
|
|
ret = (EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_D, &d) == 1 &&
|
|
d != NULL);
|
|
if (d != NULL) {
|
|
BN_clear_free(d);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
return (ret);
|
|
}
|
|
|
|
static void
|
|
opensslrsa_destroy(dst_key_t *key) {
|
|
EVP_PKEY *pkey = key->keydata.pkey;
|
|
|
|
if (pkey != NULL) {
|
|
EVP_PKEY_free(pkey);
|
|
key->keydata.pkey = NULL;
|
|
}
|
|
}
|
|
|
|
static isc_result_t
|
|
opensslrsa_todns(const dst_key_t *key, isc_buffer_t *data) {
|
|
isc_region_t r;
|
|
unsigned int e_bytes;
|
|
unsigned int mod_bytes;
|
|
isc_result_t ret;
|
|
EVP_PKEY *pkey;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA *rsa;
|
|
const BIGNUM *e = NULL, *n = NULL;
|
|
#else
|
|
BIGNUM *e = NULL, *n = NULL;
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
REQUIRE(key->keydata.pkey != NULL);
|
|
|
|
pkey = key->keydata.pkey;
|
|
isc_buffer_availableregion(data, &r);
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = EVP_PKEY_get1_RSA(pkey);
|
|
if (rsa == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
RSA_get0_key(rsa, &n, &e, NULL);
|
|
#else
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, &e);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_N, &n);
|
|
if (e == NULL || n == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
mod_bytes = BN_num_bytes(n);
|
|
e_bytes = BN_num_bytes(e);
|
|
|
|
if (e_bytes < 256) { /*%< key exponent is <= 2040 bits */
|
|
if (r.length < 1) {
|
|
DST_RET(ISC_R_NOSPACE);
|
|
}
|
|
isc_buffer_putuint8(data, (uint8_t)e_bytes);
|
|
isc_region_consume(&r, 1);
|
|
} else {
|
|
if (r.length < 3) {
|
|
DST_RET(ISC_R_NOSPACE);
|
|
}
|
|
isc_buffer_putuint8(data, 0);
|
|
isc_buffer_putuint16(data, (uint16_t)e_bytes);
|
|
isc_region_consume(&r, 3);
|
|
}
|
|
|
|
if (r.length < e_bytes + mod_bytes) {
|
|
DST_RET(ISC_R_NOSPACE);
|
|
}
|
|
|
|
BN_bn2bin(e, r.base);
|
|
isc_region_consume(&r, e_bytes);
|
|
BN_bn2bin(n, r.base);
|
|
isc_region_consume(&r, mod_bytes);
|
|
|
|
isc_buffer_add(data, e_bytes + mod_bytes);
|
|
|
|
ret = ISC_R_SUCCESS;
|
|
err:
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
if (rsa != NULL) {
|
|
RSA_free(rsa);
|
|
}
|
|
#else
|
|
if (e != NULL) {
|
|
BN_free(e);
|
|
}
|
|
if (n != NULL) {
|
|
BN_free(n);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
return (ret);
|
|
}
|
|
|
|
static isc_result_t
|
|
opensslrsa_fromdns(dst_key_t *key, isc_buffer_t *data) {
|
|
isc_result_t ret;
|
|
int status;
|
|
isc_region_t r;
|
|
unsigned int e_bytes;
|
|
unsigned int length;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA *rsa = NULL;
|
|
#else
|
|
OSSL_PARAM_BLD *bld = NULL;
|
|
OSSL_PARAM *params = NULL;
|
|
EVP_PKEY_CTX *ctx = NULL;
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
EVP_PKEY *pkey = NULL;
|
|
BIGNUM *e = NULL, *n = NULL;
|
|
|
|
REQUIRE(key->key_alg == DST_ALG_RSASHA1 ||
|
|
key->key_alg == DST_ALG_NSEC3RSASHA1 ||
|
|
key->key_alg == DST_ALG_RSASHA256 ||
|
|
key->key_alg == DST_ALG_RSASHA512);
|
|
|
|
isc_buffer_remainingregion(data, &r);
|
|
if (r.length == 0) {
|
|
DST_RET(ISC_R_SUCCESS);
|
|
}
|
|
length = r.length;
|
|
if (r.length < 1) {
|
|
DST_RET(DST_R_INVALIDPUBLICKEY);
|
|
}
|
|
|
|
e_bytes = *r.base;
|
|
isc_region_consume(&r, 1);
|
|
|
|
if (e_bytes == 0) {
|
|
if (r.length < 2) {
|
|
DST_RET(DST_R_INVALIDPUBLICKEY);
|
|
}
|
|
e_bytes = (*r.base) << 8;
|
|
isc_region_consume(&r, 1);
|
|
e_bytes += *r.base;
|
|
isc_region_consume(&r, 1);
|
|
}
|
|
|
|
if (r.length < e_bytes) {
|
|
DST_RET(DST_R_INVALIDPUBLICKEY);
|
|
}
|
|
e = BN_bin2bn(r.base, e_bytes, NULL);
|
|
isc_region_consume(&r, e_bytes);
|
|
n = BN_bin2bn(r.base, r.length, NULL);
|
|
|
|
key->key_size = BN_num_bits(n);
|
|
|
|
isc_buffer_forward(data, length);
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = RSA_new();
|
|
if (rsa == NULL) {
|
|
DST_RET(dst__openssl_toresult2("RSA_new",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = RSA_set0_key(rsa, n, e, NULL);
|
|
if (status != 1) {
|
|
DST_RET(dst__openssl_toresult2("RSA_set0_key",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
/* These are now managed by OpenSSL. */
|
|
n = NULL;
|
|
e = NULL;
|
|
|
|
pkey = EVP_PKEY_new();
|
|
if (pkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_new",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = EVP_PKEY_set1_RSA(pkey, rsa);
|
|
if (status != 1) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_set1_RSA",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
#else
|
|
bld = OSSL_PARAM_BLD_new();
|
|
if (bld == NULL) {
|
|
DST_RET(dst__openssl_toresult2("OSSL_PARAM_BLD_new",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_N, n) != 1 ||
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_E, e) != 1)
|
|
{
|
|
DST_RET(dst__openssl_toresult2("OSSL_PARAM_BLD_push_BN",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
params = OSSL_PARAM_BLD_to_param(bld);
|
|
if (params == NULL) {
|
|
DST_RET(dst__openssl_toresult2("OSSL_PARAM_BLD_to_param",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL);
|
|
if (ctx == NULL) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_CTX_new_from_name",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = EVP_PKEY_fromdata_init(ctx);
|
|
if (status != 1) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_fromdata_init",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_PUBLIC_KEY, params);
|
|
if (status != 1 || pkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_fromdata",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
key->keydata.pkey = pkey;
|
|
pkey = NULL;
|
|
ret = ISC_R_SUCCESS;
|
|
|
|
err:
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
if (rsa != NULL) {
|
|
RSA_free(rsa);
|
|
}
|
|
#else
|
|
if (ctx != NULL) {
|
|
EVP_PKEY_CTX_free(ctx);
|
|
}
|
|
if (params != NULL) {
|
|
OSSL_PARAM_free(params);
|
|
}
|
|
if (bld != NULL) {
|
|
OSSL_PARAM_BLD_free(bld);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
if (n != NULL) {
|
|
BN_free(n);
|
|
}
|
|
if (e != NULL) {
|
|
BN_free(e);
|
|
}
|
|
if (pkey != NULL) {
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
static isc_result_t
|
|
opensslrsa_tofile(const dst_key_t *key, const char *directory) {
|
|
isc_result_t ret;
|
|
dst_private_t priv = { 0 };
|
|
unsigned char *bufs[8] = { NULL };
|
|
unsigned short i = 0;
|
|
EVP_PKEY *pkey;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA *rsa = NULL;
|
|
const BIGNUM *n = NULL, *e = NULL, *d = NULL;
|
|
const BIGNUM *p = NULL, *q = NULL;
|
|
const BIGNUM *dmp1 = NULL, *dmq1 = NULL, *iqmp = NULL;
|
|
#else
|
|
BIGNUM *n = NULL, *e = NULL, *d = NULL;
|
|
BIGNUM *p = NULL, *q = NULL;
|
|
BIGNUM *dmp1 = NULL, *dmq1 = NULL, *iqmp = NULL;
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
if (key->keydata.pkey == NULL) {
|
|
DST_RET(DST_R_NULLKEY);
|
|
}
|
|
|
|
if (key->external) {
|
|
return (dst__privstruct_writefile(key, &priv, directory));
|
|
}
|
|
|
|
pkey = key->keydata.pkey;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = EVP_PKEY_get1_RSA(pkey);
|
|
if (rsa == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
RSA_get0_key(rsa, &n, &e, &d);
|
|
RSA_get0_factors(rsa, &p, &q);
|
|
RSA_get0_crt_params(rsa, &dmp1, &dmq1, &iqmp);
|
|
#else
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_N, &n);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, &e);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_D, &d);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_FACTOR1, &p);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_FACTOR2, &q);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_EXPONENT1, &dmp1);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_EXPONENT2, &dmq1);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_COEFFICIENT1, &iqmp);
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
if (n == NULL || e == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
priv.elements[i].tag = TAG_RSA_MODULUS;
|
|
priv.elements[i].length = BN_num_bytes(n);
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(n, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
|
|
priv.elements[i].tag = TAG_RSA_PUBLICEXPONENT;
|
|
priv.elements[i].length = BN_num_bytes(e);
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(e, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
|
|
if (d != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_PRIVATEEXPONENT;
|
|
priv.elements[i].length = BN_num_bytes(d);
|
|
INSIST(i < ARRAY_SIZE(bufs));
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(d, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
}
|
|
|
|
if (p != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_PRIME1;
|
|
priv.elements[i].length = BN_num_bytes(p);
|
|
INSIST(i < ARRAY_SIZE(bufs));
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(p, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
}
|
|
|
|
if (q != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_PRIME2;
|
|
priv.elements[i].length = BN_num_bytes(q);
|
|
INSIST(i < ARRAY_SIZE(bufs));
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(q, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
}
|
|
|
|
if (dmp1 != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_EXPONENT1;
|
|
priv.elements[i].length = BN_num_bytes(dmp1);
|
|
INSIST(i < ARRAY_SIZE(bufs));
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(dmp1, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
}
|
|
|
|
if (dmq1 != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_EXPONENT2;
|
|
priv.elements[i].length = BN_num_bytes(dmq1);
|
|
INSIST(i < ARRAY_SIZE(bufs));
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(dmq1, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
}
|
|
|
|
if (iqmp != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_COEFFICIENT;
|
|
priv.elements[i].length = BN_num_bytes(iqmp);
|
|
INSIST(i < ARRAY_SIZE(bufs));
|
|
bufs[i] = isc_mem_get(key->mctx, priv.elements[i].length);
|
|
BN_bn2bin(iqmp, bufs[i]);
|
|
priv.elements[i].data = bufs[i];
|
|
i++;
|
|
}
|
|
|
|
if (key->engine != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_ENGINE;
|
|
priv.elements[i].length = (unsigned short)strlen(key->engine) +
|
|
1;
|
|
priv.elements[i].data = (unsigned char *)key->engine;
|
|
i++;
|
|
}
|
|
|
|
if (key->label != NULL) {
|
|
priv.elements[i].tag = TAG_RSA_LABEL;
|
|
priv.elements[i].length = (unsigned short)strlen(key->label) +
|
|
1;
|
|
priv.elements[i].data = (unsigned char *)key->label;
|
|
i++;
|
|
}
|
|
|
|
priv.nelements = i;
|
|
ret = dst__privstruct_writefile(key, &priv, directory);
|
|
|
|
err:
|
|
for (i = 0; i < ARRAY_SIZE(bufs); i++) {
|
|
if (bufs[i] != NULL) {
|
|
isc_mem_put(key->mctx, bufs[i],
|
|
priv.elements[i].length);
|
|
}
|
|
}
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA_free(rsa);
|
|
#else
|
|
if (n != NULL) {
|
|
BN_free(n);
|
|
}
|
|
if (e != NULL) {
|
|
BN_free(e);
|
|
}
|
|
if (d != NULL) {
|
|
BN_clear_free(d);
|
|
}
|
|
if (p != NULL) {
|
|
BN_clear_free(p);
|
|
}
|
|
if (q != NULL) {
|
|
BN_clear_free(q);
|
|
}
|
|
if (dmp1 != NULL) {
|
|
BN_clear_free(dmp1);
|
|
}
|
|
if (dmq1 != NULL) {
|
|
BN_clear_free(dmq1);
|
|
}
|
|
if (iqmp != NULL) {
|
|
BN_clear_free(iqmp);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
return (ret);
|
|
}
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
static isc_result_t
|
|
rsa_check(RSA *rsa, RSA *pub) {
|
|
const BIGNUM *n1 = NULL, *n2 = NULL;
|
|
const BIGNUM *e1 = NULL, *e2 = NULL;
|
|
BIGNUM *n = NULL, *e = NULL;
|
|
|
|
/*
|
|
* Public parameters should be the same but if they are not set
|
|
* copy them from the public key.
|
|
*/
|
|
if (pub != NULL) {
|
|
RSA_get0_key(rsa, &n1, &e1, NULL);
|
|
RSA_get0_key(pub, &n2, &e2, NULL);
|
|
if (n1 != NULL) {
|
|
if (BN_cmp(n1, n2) != 0) {
|
|
return (DST_R_INVALIDPRIVATEKEY);
|
|
}
|
|
} else {
|
|
n = BN_dup(n2);
|
|
}
|
|
if (e1 != NULL) {
|
|
if (BN_cmp(e1, e2) != 0) {
|
|
return (DST_R_INVALIDPRIVATEKEY);
|
|
}
|
|
} else {
|
|
e = BN_dup(e2);
|
|
}
|
|
if (RSA_set0_key(rsa, n, e, NULL) == 0) {
|
|
if (n != NULL) {
|
|
BN_free(n);
|
|
}
|
|
if (e != NULL) {
|
|
BN_free(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
RSA_get0_key(rsa, &n1, &e1, NULL);
|
|
if (n1 == NULL || e1 == NULL) {
|
|
return (DST_R_INVALIDPRIVATEKEY);
|
|
}
|
|
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
#else
|
|
static isc_result_t
|
|
rsa_check(EVP_PKEY *pkey, EVP_PKEY *pubpkey) {
|
|
isc_result_t ret = ISC_R_FAILURE;
|
|
int status;
|
|
BIGNUM *n1 = NULL, *n2 = NULL;
|
|
BIGNUM *e1 = NULL, *e2 = NULL;
|
|
|
|
/* Try to get the public key from pkey. */
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_N, &n1);
|
|
EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, &e1);
|
|
|
|
/* Check if `pubpkey` exists and that we can extract its public key. */
|
|
if (pubpkey == NULL ||
|
|
EVP_PKEY_get_bn_param(pubpkey, OSSL_PKEY_PARAM_RSA_N, &n2) != 1 ||
|
|
n2 == NULL ||
|
|
EVP_PKEY_get_bn_param(pubpkey, OSSL_PKEY_PARAM_RSA_E, &e2) != 1 ||
|
|
e2 == NULL)
|
|
{
|
|
if (n1 == NULL || e1 == NULL) {
|
|
/* No public key both in `pkey` and in `pubpkey`. */
|
|
DST_RET(DST_R_INVALIDPRIVATEKEY);
|
|
} else {
|
|
/*
|
|
* `pkey` has a public key, but there is no public key
|
|
* in `pubpkey` to check against.
|
|
*/
|
|
DST_RET(ISC_R_SUCCESS);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If `pkey` doesn't have a public key then we will copy it from
|
|
* `pubpkey`.
|
|
*/
|
|
if (n1 == NULL || e1 == NULL) {
|
|
status = EVP_PKEY_set_bn_param(pkey, OSSL_PKEY_PARAM_RSA_N, n2);
|
|
if (status != 1) {
|
|
DST_RET(ISC_R_FAILURE);
|
|
}
|
|
|
|
status = EVP_PKEY_set_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, e2);
|
|
if (status != 1) {
|
|
DST_RET(ISC_R_FAILURE);
|
|
}
|
|
}
|
|
|
|
if (EVP_PKEY_eq(pkey, pubpkey) == 1) {
|
|
DST_RET(ISC_R_SUCCESS);
|
|
}
|
|
|
|
err:
|
|
if (n1 != NULL) {
|
|
BN_free(n1);
|
|
}
|
|
if (n2 != NULL) {
|
|
BN_free(n2);
|
|
}
|
|
if (e1 != NULL) {
|
|
BN_free(e1);
|
|
}
|
|
if (e2 != NULL) {
|
|
BN_free(e2);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
static isc_result_t
|
|
opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
|
|
dst_private_t priv;
|
|
isc_result_t ret;
|
|
int i;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA *rsa = NULL, *pubrsa = NULL;
|
|
const BIGNUM *ex = NULL;
|
|
#else
|
|
OSSL_PARAM_BLD *bld = NULL;
|
|
OSSL_PARAM *params = NULL;
|
|
EVP_PKEY_CTX *ctx = NULL;
|
|
BIGNUM *ex = NULL;
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
#if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000
|
|
ENGINE *ep = NULL;
|
|
#endif /* if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000 */
|
|
isc_mem_t *mctx = key->mctx;
|
|
const char *engine = NULL, *label = NULL;
|
|
EVP_PKEY *pkey = NULL;
|
|
BIGNUM *n = NULL, *e = NULL, *d = NULL;
|
|
BIGNUM *p = NULL, *q = NULL;
|
|
BIGNUM *dmp1 = NULL, *dmq1 = NULL, *iqmp = NULL;
|
|
|
|
REQUIRE(key->key_alg == DST_ALG_RSASHA1 ||
|
|
key->key_alg == DST_ALG_NSEC3RSASHA1 ||
|
|
key->key_alg == DST_ALG_RSASHA256 ||
|
|
key->key_alg == DST_ALG_RSASHA512);
|
|
|
|
/* read private key file */
|
|
ret = dst__privstruct_parse(key, DST_ALG_RSA, lexer, mctx, &priv);
|
|
if (ret != ISC_R_SUCCESS) {
|
|
goto err;
|
|
}
|
|
|
|
if (key->external) {
|
|
if (priv.nelements != 0 || pub == NULL) {
|
|
DST_RET(DST_R_INVALIDPRIVATEKEY);
|
|
}
|
|
key->keydata.pkey = pub->keydata.pkey;
|
|
pub->keydata.pkey = NULL;
|
|
key->key_size = pub->key_size;
|
|
DST_RET(ISC_R_SUCCESS);
|
|
}
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
if (pub != NULL && pub->keydata.pkey != NULL) {
|
|
pubrsa = EVP_PKEY_get1_RSA(pub->keydata.pkey);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
for (i = 0; i < priv.nelements; i++) {
|
|
switch (priv.elements[i].tag) {
|
|
case TAG_RSA_ENGINE:
|
|
engine = (char *)priv.elements[i].data;
|
|
break;
|
|
case TAG_RSA_LABEL:
|
|
label = (char *)priv.elements[i].data;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Is this key stored in a HSM?
|
|
* See if we can fetch it.
|
|
*/
|
|
if (label != NULL) {
|
|
#if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000
|
|
if (engine == NULL) {
|
|
DST_RET(DST_R_NOENGINE);
|
|
}
|
|
ep = dst__openssl_getengine(engine);
|
|
if (ep == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_NOENGINE));
|
|
}
|
|
pkey = ENGINE_load_private_key(ep, label, NULL, NULL);
|
|
if (pkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("ENGINE_load_private_"
|
|
"key",
|
|
ISC_R_NOTFOUND));
|
|
}
|
|
key->engine = isc_mem_strdup(key->mctx, engine);
|
|
key->label = isc_mem_strdup(key->mctx, label);
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = EVP_PKEY_get1_RSA(pkey);
|
|
if (rsa == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (rsa_check(rsa, pubrsa) != ISC_R_SUCCESS) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
RSA_get0_key(rsa, NULL, &ex, NULL);
|
|
#else
|
|
if (rsa_check(pkey, pub != NULL ? pub->keydata.pkey : NULL) !=
|
|
ISC_R_SUCCESS) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
if (EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, &ex) !=
|
|
1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
if (ex == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
if (BN_num_bits(ex) > RSA_MAX_PUBEXP_BITS) {
|
|
DST_RET(ISC_R_RANGE);
|
|
}
|
|
|
|
key->key_size = EVP_PKEY_bits(pkey);
|
|
key->keydata.pkey = pkey;
|
|
pkey = NULL;
|
|
DST_RET(ISC_R_SUCCESS);
|
|
#else /* if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000 */
|
|
UNUSED(engine);
|
|
UNUSED(ex);
|
|
DST_RET(DST_R_NOENGINE);
|
|
#endif /* if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000 */
|
|
}
|
|
|
|
for (i = 0; i < priv.nelements; i++) {
|
|
BIGNUM *bn;
|
|
switch (priv.elements[i].tag) {
|
|
case TAG_RSA_ENGINE:
|
|
continue;
|
|
case TAG_RSA_LABEL:
|
|
continue;
|
|
default:
|
|
bn = BN_bin2bn(priv.elements[i].data,
|
|
priv.elements[i].length, NULL);
|
|
if (bn == NULL) {
|
|
DST_RET(ISC_R_NOMEMORY);
|
|
}
|
|
switch (priv.elements[i].tag) {
|
|
case TAG_RSA_MODULUS:
|
|
n = bn;
|
|
break;
|
|
case TAG_RSA_PUBLICEXPONENT:
|
|
e = bn;
|
|
break;
|
|
case TAG_RSA_PRIVATEEXPONENT:
|
|
d = bn;
|
|
break;
|
|
case TAG_RSA_PRIME1:
|
|
p = bn;
|
|
break;
|
|
case TAG_RSA_PRIME2:
|
|
q = bn;
|
|
break;
|
|
case TAG_RSA_EXPONENT1:
|
|
dmp1 = bn;
|
|
break;
|
|
case TAG_RSA_EXPONENT2:
|
|
dmq1 = bn;
|
|
break;
|
|
case TAG_RSA_COEFFICIENT:
|
|
iqmp = bn;
|
|
break;
|
|
default:
|
|
BN_clear_free(bn);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = RSA_new();
|
|
if (rsa == NULL) {
|
|
DST_RET(ISC_R_NOMEMORY);
|
|
}
|
|
pkey = EVP_PKEY_new();
|
|
if (pkey == NULL) {
|
|
DST_RET(ISC_R_NOMEMORY);
|
|
}
|
|
if (EVP_PKEY_set1_RSA(pkey, rsa) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (RSA_set0_key(rsa, n, e, d) == 0) {
|
|
if (n != NULL) {
|
|
BN_free(n);
|
|
}
|
|
if (e != NULL) {
|
|
BN_free(e);
|
|
}
|
|
if (d != NULL) {
|
|
BN_clear_free(d);
|
|
}
|
|
}
|
|
if (RSA_set0_factors(rsa, p, q) == 0) {
|
|
if (p != NULL) {
|
|
BN_clear_free(p);
|
|
}
|
|
if (q != NULL) {
|
|
BN_clear_free(q);
|
|
}
|
|
}
|
|
if (RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp) == 0) {
|
|
if (dmp1 != NULL) {
|
|
BN_clear_free(dmp1);
|
|
}
|
|
if (dmq1 != NULL) {
|
|
BN_clear_free(dmq1);
|
|
}
|
|
if (iqmp != NULL) {
|
|
BN_clear_free(iqmp);
|
|
}
|
|
}
|
|
if (rsa_check(rsa, pubrsa) != ISC_R_SUCCESS) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
#else
|
|
bld = OSSL_PARAM_BLD_new();
|
|
if (bld == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
if (n != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_N, n) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (e != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_E, e) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (d != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_D, d) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (p != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_FACTOR1, p) != 1)
|
|
{
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (q != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_FACTOR2, q) != 1)
|
|
{
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (dmp1 != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_EXPONENT1, dmp1) !=
|
|
1)
|
|
{
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (dmq1 != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_EXPONENT2, dmq1) !=
|
|
1)
|
|
{
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (iqmp != NULL &&
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_COEFFICIENT1,
|
|
iqmp) != 1)
|
|
{
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
params = OSSL_PARAM_BLD_to_param(bld);
|
|
if (params == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL);
|
|
if (ctx == NULL || EVP_PKEY_fromdata_init(ctx) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
if (EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params) != 1 ||
|
|
pkey == NULL)
|
|
{
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
if (rsa_check(pkey, pub != NULL ? pub->keydata.pkey : NULL) !=
|
|
ISC_R_SUCCESS) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
if (BN_num_bits(e) > RSA_MAX_PUBEXP_BITS) {
|
|
DST_RET(ISC_R_RANGE);
|
|
}
|
|
|
|
key->key_size = BN_num_bits(n);
|
|
key->keydata.pkey = pkey;
|
|
pkey = NULL;
|
|
|
|
err:
|
|
if (pkey != NULL) {
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
if (rsa != NULL) {
|
|
RSA_free(rsa);
|
|
}
|
|
if (pubrsa != NULL) {
|
|
RSA_free(pubrsa);
|
|
}
|
|
#else
|
|
if (ctx != NULL) {
|
|
EVP_PKEY_CTX_free(ctx);
|
|
}
|
|
if (params != NULL) {
|
|
OSSL_PARAM_free(params);
|
|
}
|
|
if (bld != NULL) {
|
|
OSSL_PARAM_BLD_free(bld);
|
|
}
|
|
if (ex != NULL) {
|
|
BN_free(ex);
|
|
}
|
|
if (e != NULL) {
|
|
BN_free(e);
|
|
}
|
|
if (n != NULL) {
|
|
BN_free(n);
|
|
}
|
|
if (d != NULL) {
|
|
BN_clear_free(d);
|
|
}
|
|
if (p != NULL) {
|
|
BN_clear_free(p);
|
|
}
|
|
if (q != NULL) {
|
|
BN_clear_free(q);
|
|
}
|
|
if (dmp1 != NULL) {
|
|
BN_clear_free(dmp1);
|
|
}
|
|
if (dmq1 != NULL) {
|
|
BN_clear_free(dmq1);
|
|
}
|
|
if (iqmp != NULL) {
|
|
BN_clear_free(iqmp);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
if (ret != ISC_R_SUCCESS) {
|
|
key->keydata.generic = NULL;
|
|
}
|
|
|
|
dst__privstruct_free(&priv, mctx);
|
|
isc_safe_memwipe(&priv, sizeof(priv));
|
|
|
|
return (ret);
|
|
}
|
|
|
|
static isc_result_t
|
|
opensslrsa_fromlabel(dst_key_t *key, const char *engine, const char *label,
|
|
const char *pin) {
|
|
#if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000
|
|
ENGINE *e = NULL;
|
|
isc_result_t ret = ISC_R_SUCCESS;
|
|
EVP_PKEY *pkey = NULL, *pubpkey = NULL;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA *rsa = NULL, *pubrsa = NULL;
|
|
const BIGNUM *ex = NULL;
|
|
#else
|
|
BIGNUM *ex = NULL;
|
|
#endif
|
|
|
|
UNUSED(pin);
|
|
|
|
if (engine == NULL) {
|
|
DST_RET(DST_R_NOENGINE);
|
|
}
|
|
e = dst__openssl_getengine(engine);
|
|
if (e == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_NOENGINE));
|
|
}
|
|
|
|
pubpkey = ENGINE_load_public_key(e, label, NULL, NULL);
|
|
if (pubpkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("ENGINE_load_public_key",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
pubrsa = EVP_PKEY_get1_RSA(pubpkey);
|
|
if (pubrsa == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
pkey = ENGINE_load_private_key(e, label, NULL, NULL);
|
|
if (pkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("ENGINE_load_private_key",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
key->engine = isc_mem_strdup(key->mctx, engine);
|
|
key->label = isc_mem_strdup(key->mctx, label);
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = EVP_PKEY_get1_RSA(pkey);
|
|
if (rsa == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (rsa_check(rsa, pubrsa) != ISC_R_SUCCESS) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
RSA_get0_key(rsa, NULL, &ex, NULL);
|
|
#else
|
|
if (rsa_check(pkey, pubpkey) != ISC_R_SUCCESS) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
if (EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, &ex) != 1) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
|
|
if (ex == NULL) {
|
|
DST_RET(dst__openssl_toresult(DST_R_INVALIDPRIVATEKEY));
|
|
}
|
|
if (BN_num_bits(ex) > RSA_MAX_PUBEXP_BITS) {
|
|
DST_RET(ISC_R_RANGE);
|
|
}
|
|
|
|
key->key_size = EVP_PKEY_bits(pkey);
|
|
key->keydata.pkey = pkey;
|
|
pkey = NULL;
|
|
|
|
err:
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
if (rsa != NULL) {
|
|
RSA_free(rsa);
|
|
}
|
|
if (pubrsa != NULL) {
|
|
RSA_free(pubrsa);
|
|
}
|
|
#else
|
|
if (ex != NULL) {
|
|
BN_free(ex);
|
|
}
|
|
#endif /* OPENSSL_VERSION_NUMBER < 0x30000000L */
|
|
if (pkey != NULL) {
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
if (pubpkey != NULL) {
|
|
EVP_PKEY_free(pubpkey);
|
|
}
|
|
return (ret);
|
|
#else /* if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000 */
|
|
UNUSED(key);
|
|
UNUSED(engine);
|
|
UNUSED(label);
|
|
UNUSED(pin);
|
|
return (DST_R_NOENGINE);
|
|
#endif /* if !defined(OPENSSL_NO_ENGINE) && OPENSSL_API_LEVEL < 30000 */
|
|
}
|
|
|
|
static dst_func_t opensslrsa_functions = {
|
|
opensslrsa_createctx,
|
|
NULL, /*%< createctx2 */
|
|
opensslrsa_destroyctx,
|
|
opensslrsa_adddata,
|
|
opensslrsa_sign,
|
|
opensslrsa_verify,
|
|
opensslrsa_verify2,
|
|
NULL, /*%< computesecret */
|
|
opensslrsa_compare,
|
|
NULL, /*%< paramcompare */
|
|
opensslrsa_generate,
|
|
opensslrsa_isprivate,
|
|
opensslrsa_destroy,
|
|
opensslrsa_todns,
|
|
opensslrsa_fromdns,
|
|
opensslrsa_tofile,
|
|
opensslrsa_parse,
|
|
NULL, /*%< cleanup */
|
|
opensslrsa_fromlabel,
|
|
NULL, /*%< dump */
|
|
NULL, /*%< restore */
|
|
};
|
|
|
|
/*
|
|
* An RSA public key with 2048 bits
|
|
*/
|
|
static const unsigned char e_bytes[] = "\x01\x00\x01";
|
|
static const unsigned char n_bytes[] =
|
|
"\xc3\x90\x07\xbe\xf1\x85\xfc\x1a\x43\xb1\xa5\x15\xce\x71\x34\xfc\xc1"
|
|
"\x87\x27\x28\x38\xa4\xcf\x7c\x1a\x82\xa8\xdc\x04\x14\xd0\x3f\xb4\xfe"
|
|
"\x20\x4a\xdd\xd9\x0d\xd7\xcd\x61\x8c\xbd\x61\xa8\x10\xb5\x63\x1c\x29"
|
|
"\x15\xcb\x41\xee\x43\x91\x7f\xeb\xa5\x2c\xab\x81\x75\x0d\xa3\x3d\xe4"
|
|
"\xc8\x49\xb9\xca\x5a\x55\xa1\xbb\x09\xd1\xfb\xcd\xa2\xd2\x12\xa4\x85"
|
|
"\xdf\xa5\x65\xc9\x27\x2d\x8b\xd7\x8b\xfe\x6d\xc4\xd1\xd9\x83\x1c\x91"
|
|
"\x7d\x3d\xd0\xa4\xcd\xe1\xe7\xb9\x7a\x11\x38\xf9\x8b\x3c\xec\x30\xb6"
|
|
"\x36\xb9\x92\x64\x81\x56\x3c\xbc\xf9\x49\xfb\xba\x82\xb7\xa0\xfa\x65"
|
|
"\x79\x83\xb9\x4c\xa7\xfd\x53\x0b\x5a\xe4\xde\xf9\xfc\x38\x7e\xb5\x2c"
|
|
"\xa0\xc3\xb2\xfc\x7c\x38\xb0\x63\x50\xaf\x00\xaa\xb2\xad\x49\x54\x1e"
|
|
"\x8b\x11\x88\x9b\x6e\xae\x3b\x23\xa3\xdd\x53\x51\x80\x7a\x0b\x91\x4e"
|
|
"\x6d\x32\x01\xbd\x17\x81\x12\x64\x9f\x84\xae\x76\x53\x1a\x63\xa0\xda"
|
|
"\xcc\x45\x04\x72\xb0\xa7\xfb\xfa\x02\x39\x53\xc1\x83\x1f\x88\x54\x47"
|
|
"\x88\x63\x20\x71\x5d\xe2\xaa\x7c\x53\x39\x5e\x35\x25\xee\xe6\x5c\x15"
|
|
"\x5e\x14\xbe\x99\xde\x25\x19\xe7\x13\xdb\xce\xa3\xd3\x6c\x5c\xbb\x0e"
|
|
"\x6b";
|
|
|
|
static const unsigned char sha1_sig[] =
|
|
"\x69\x99\x89\x28\xe0\x38\x34\x91\x29\xb6\xac\x4b\xe9\x51\xbd\xbe\xc8"
|
|
"\x1a\x2d\xb6\xca\x99\xa3\x9f\x6a\x8b\x94\x5a\x51\x37\xd5\x8d\xae\x87"
|
|
"\xed\xbc\x8e\xb8\xa3\x60\x6b\xf6\xe6\x72\xfc\x26\x2a\x39\x2b\xfe\x88"
|
|
"\x1a\xa9\xd1\x93\xc7\xb9\xf8\xb6\x45\xa1\xf9\xa1\x56\x78\x7b\x00\xec"
|
|
"\x33\x83\xd4\x93\x25\x48\xb3\x50\x09\xd0\xbc\x7f\xac\x67\xc7\xa2\x7f"
|
|
"\xfc\xf6\x5a\xef\xf8\x5a\xad\x52\x74\xf5\x71\x34\xd9\x3d\x33\x8b\x4d"
|
|
"\x99\x64\x7e\x14\x59\xbe\xdf\x26\x8a\x67\x96\x6c\x1f\x79\x85\x10\x0d"
|
|
"\x7f\xd6\xa4\xba\x57\x41\x03\x71\x4e\x8c\x17\xd5\xc4\xfb\x4a\xbe\x66"
|
|
"\x45\x15\x45\x0c\x02\xe0\x10\xe1\xbb\x33\x8d\x90\x34\x3c\x94\xa4\x4c"
|
|
"\x7c\xd0\x5e\x90\x76\x80\x59\xb2\xfa\x54\xbf\xa9\x86\xb8\x84\x1e\x28"
|
|
"\x48\x60\x2f\x9e\xa4\xbc\xd4\x9c\x20\x27\x16\xac\x33\xcb\xcf\xab\x93"
|
|
"\x7a\x3b\x74\xa0\x18\x92\xa1\x4f\xfc\x52\x19\xee\x7a\x13\x73\xba\x36"
|
|
"\xaf\x78\x5d\xb6\x1f\x96\x76\x15\x73\xee\x04\xa8\x70\x27\xf7\xe7\xfa"
|
|
"\xe8\xf6\xc8\x5f\x4a\x81\x56\x0a\x94\xf3\xc6\x98\xd2\x93\xc4\x0b\x49"
|
|
"\x6b\x44\xd3\x73\xa2\xe3\xef\x5d\x9e\x68\xac\xa7\x42\xb1\xbb\x65\xbe"
|
|
"\x59";
|
|
|
|
static const unsigned char sha256_sig[] =
|
|
"\x0f\x8c\xdb\xe6\xb6\x21\xc8\xc5\x28\x76\x7d\xf6\xf2\x3b\x78\x47\x77"
|
|
"\x03\x34\xc5\x5e\xc0\xda\x42\x41\xc0\x0f\x97\xd3\xd0\x53\xa1\xd6\x87"
|
|
"\xe4\x16\x29\x9a\xa5\x59\xf4\x01\xad\xc9\x04\xe7\x61\xe2\xcb\x79\x73"
|
|
"\xce\xe0\xa6\x85\xe5\x10\x8c\x4b\xc5\x68\x3b\x96\x42\x3f\x56\xb3\x6d"
|
|
"\x89\xc4\xff\x72\x36\xf2\x3f\xed\xe9\xb8\xe3\xae\xab\x3c\xb7\xaa\xf7"
|
|
"\x1f\x8f\x26\x6b\xee\xc1\xac\x72\x89\x23\x8b\x7a\xd7\x8c\x84\xf3\xf5"
|
|
"\x97\xa8\x8d\xd3\xef\xb2\x5e\x06\x04\x21\xdd\x28\xa2\x28\x83\x68\x9b"
|
|
"\xac\x34\xdd\x36\x33\xda\xdd\xa4\x59\xc7\x5a\x4d\xf3\x83\x06\xd5\xc0"
|
|
"\x0d\x1f\x4f\x47\x2f\x9f\xcc\xc2\x0d\x21\x1e\x82\xb9\x3d\xf3\xa4\x1a"
|
|
"\xa6\xd8\x0e\x72\x1d\x71\x17\x1c\x54\xad\x37\x3e\xa4\x0e\x70\x86\x53"
|
|
"\xfb\x40\xad\xb9\x14\xf8\x8d\x93\xbb\xd7\xe7\x31\xce\xe0\x98\xda\x27"
|
|
"\x1c\x18\x8e\xd8\x85\xcb\xa7\xb1\x18\xac\x8c\xa8\x9d\xa9\xe2\xf6\x30"
|
|
"\x95\xa4\x81\xf4\x1c\xa0\x31\xd5\xc7\x9d\x28\x33\xee\x7f\x08\x4f\xcb"
|
|
"\xd1\x14\x17\xdf\xd0\x88\x78\x47\x29\xaf\x6c\xb2\x62\xa6\x30\x87\x29"
|
|
"\xaa\x80\x19\x7d\x2f\x05\xe3\x7e\x23\x73\x88\x08\xcc\xbd\x50\x46\x09"
|
|
"\x2a";
|
|
|
|
static const unsigned char sha512_sig[] =
|
|
"\x15\xda\x87\x87\x1f\x76\x08\xd3\x9d\x3a\xb9\xd2\x6a\x0e\x3b\x7d\xdd"
|
|
"\xec\x7d\xc4\x6d\x26\xf5\x04\xd3\x76\xc7\x83\xc4\x81\x69\x35\xe9\x47"
|
|
"\xbf\x49\xd1\xc0\xf9\x01\x4e\x0a\x34\x5b\xd0\xec\x6e\xe2\x2e\xe9\x2d"
|
|
"\x00\xfd\xe0\xa0\x28\x54\x53\x19\x49\x6d\xd2\x58\xb9\x47\xfa\x45\xad"
|
|
"\xd2\x1d\x52\xac\x80\xcb\xfc\x91\x97\x84\x58\x5f\xab\x21\x62\x60\x79"
|
|
"\xb8\x8a\x83\xe1\xf1\xcb\x05\x4c\x92\x56\x62\xd9\xbf\xa7\x81\x34\x23"
|
|
"\xdf\xd7\xa7\xc4\xdf\xde\x96\x00\x57\x4b\x78\x85\xb9\x3b\xdd\x3f\x98"
|
|
"\x88\x59\x1d\x48\xcf\x5a\xa8\xb7\x2a\x8b\x77\x93\x8e\x38\x3a\x0c\xa7"
|
|
"\x8a\x5f\xe6\x9f\xcb\xf0\x9a\x6b\xb6\x91\x04\x8b\x69\x6a\x37\xee\xa2"
|
|
"\xad\x5f\x31\x20\x96\xd6\x51\x80\xbf\x62\x48\xb8\xe4\x94\x10\x86\x4e"
|
|
"\xf2\x22\x1e\xa4\xd5\x54\xfe\xe1\x35\x49\xaf\xf8\x62\xfc\x11\xeb\xf7"
|
|
"\x3d\xd5\x5e\xaf\x11\xbd\x3d\xa9\x3a\x9f\x7f\xe8\xb4\x0d\xa2\xbb\x1c"
|
|
"\xbd\x4c\xed\x9e\x81\xb1\xec\xd3\xea\xaa\x03\xe3\x14\xdf\x8c\xb3\x78"
|
|
"\x85\x5e\x87\xad\xec\x41\x1a\xa9\x4f\xd2\xe6\xc6\xbe\xfa\xb8\x10\xea"
|
|
"\x74\x25\x36\x0c\x23\xe2\x24\xb7\x21\xb7\x0d\xaf\xf6\xb4\x31\xf5\x75"
|
|
"\xf1";
|
|
|
|
static isc_result_t
|
|
check_algorithm(unsigned char algorithm) {
|
|
BIGNUM *n = NULL, *e = NULL;
|
|
EVP_MD_CTX *evp_md_ctx = EVP_MD_CTX_create();
|
|
EVP_PKEY *pkey = NULL;
|
|
const EVP_MD *type = NULL;
|
|
const unsigned char *sig = NULL;
|
|
int status;
|
|
isc_result_t ret = ISC_R_SUCCESS;
|
|
size_t len;
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
RSA *rsa = NULL;
|
|
#else
|
|
OSSL_PARAM *params = NULL;
|
|
OSSL_PARAM_BLD *bld = NULL;
|
|
EVP_PKEY_CTX *ctx = NULL;
|
|
#endif
|
|
|
|
if (evp_md_ctx == NULL) {
|
|
DST_RET(ISC_R_NOMEMORY);
|
|
}
|
|
|
|
switch (algorithm) {
|
|
case DST_ALG_RSASHA1:
|
|
case DST_ALG_NSEC3RSASHA1:
|
|
type = EVP_sha1(); /* SHA1 + RSA */
|
|
sig = sha1_sig;
|
|
len = sizeof(sha1_sig) - 1;
|
|
break;
|
|
case DST_ALG_RSASHA256:
|
|
type = EVP_sha256(); /* SHA256 + RSA */
|
|
sig = sha256_sig;
|
|
len = sizeof(sha256_sig) - 1;
|
|
break;
|
|
case DST_ALG_RSASHA512:
|
|
type = EVP_sha512();
|
|
sig = sha512_sig;
|
|
len = sizeof(sha512_sig) - 1;
|
|
break;
|
|
default:
|
|
DST_RET(ISC_R_NOTIMPLEMENTED);
|
|
}
|
|
|
|
if (type == NULL) {
|
|
DST_RET(ISC_R_NOTIMPLEMENTED);
|
|
}
|
|
|
|
/*
|
|
* Construct pkey.
|
|
*/
|
|
e = BN_bin2bn(e_bytes, sizeof(e_bytes) - 1, NULL);
|
|
n = BN_bin2bn(n_bytes, sizeof(n_bytes) - 1, NULL);
|
|
if (e == NULL || n == NULL) {
|
|
DST_RET(ISC_R_NOMEMORY);
|
|
}
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
rsa = RSA_new();
|
|
if (rsa == NULL) {
|
|
DST_RET(dst__openssl_toresult2("RSA_new",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = RSA_set0_key(rsa, n, e, NULL);
|
|
if (status != 1) {
|
|
DST_RET(dst__openssl_toresult2("RSA_set0_key",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
|
|
/* These are now managed by OpenSSL. */
|
|
n = NULL;
|
|
e = NULL;
|
|
|
|
pkey = EVP_PKEY_new();
|
|
if (pkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_new",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = EVP_PKEY_set1_RSA(pkey, rsa);
|
|
if (status != 1) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_set1_RSA",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
#else
|
|
bld = OSSL_PARAM_BLD_new();
|
|
if (bld == NULL) {
|
|
DST_RET(dst__openssl_toresult2("OSSL_PARAM_BLD_new",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
if (OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_N, n) != 1 ||
|
|
OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_E, e) != 1)
|
|
{
|
|
DST_RET(dst__openssl_toresult2("OSSL_PARAM_BLD_push_BN",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
params = OSSL_PARAM_BLD_to_param(bld);
|
|
if (params == NULL) {
|
|
DST_RET(dst__openssl_toresult2("OSSL_PARAM_BLD_to_param",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL);
|
|
if (ctx == NULL) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_CTX_new_from_name",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = EVP_PKEY_fromdata_init(ctx);
|
|
if (status != 1) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_fromdata_init",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
status = EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_PUBLIC_KEY, params);
|
|
if (status != 1 || pkey == NULL) {
|
|
DST_RET(dst__openssl_toresult2("EVP_PKEY_fromdata",
|
|
DST_R_OPENSSLFAILURE));
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Check that we can verify the signature.
|
|
*/
|
|
if (EVP_DigestInit_ex(evp_md_ctx, type, NULL) != 1 ||
|
|
EVP_DigestUpdate(evp_md_ctx, "test", 4) != 1 ||
|
|
EVP_VerifyFinal(evp_md_ctx, sig, len, pkey) != 1)
|
|
{
|
|
DST_RET(ISC_R_NOTIMPLEMENTED);
|
|
}
|
|
|
|
err:
|
|
BN_free(e);
|
|
BN_free(n);
|
|
#if OPENSSL_VERSION_NUMBER < 0x30000000L
|
|
if (rsa != NULL) {
|
|
RSA_free(rsa);
|
|
}
|
|
#else
|
|
if (bld != NULL) {
|
|
OSSL_PARAM_BLD_free(bld);
|
|
}
|
|
if (ctx != NULL) {
|
|
EVP_PKEY_CTX_free(ctx);
|
|
}
|
|
if (params != NULL) {
|
|
OSSL_PARAM_free(params);
|
|
}
|
|
#endif
|
|
if (pkey != NULL) {
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
if (evp_md_ctx != NULL) {
|
|
EVP_MD_CTX_destroy(evp_md_ctx);
|
|
}
|
|
ERR_clear_error();
|
|
return (ret);
|
|
}
|
|
|
|
isc_result_t
|
|
dst__opensslrsa_init(dst_func_t **funcp, unsigned char algorithm) {
|
|
isc_result_t result;
|
|
|
|
REQUIRE(funcp != NULL);
|
|
|
|
result = check_algorithm(algorithm);
|
|
|
|
if (result == ISC_R_SUCCESS) {
|
|
if (*funcp == NULL) {
|
|
*funcp = &opensslrsa_functions;
|
|
}
|
|
} else if (result == ISC_R_NOTIMPLEMENTED) {
|
|
result = ISC_R_SUCCESS;
|
|
}
|
|
|
|
return (result);
|
|
}
|