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https://gitlab.isc.org/isc-projects/bind9
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Added Ed25519 support (#44696)
This commit is contained in:
670
lib/dns/openssleddsa_link.c
Normal file
670
lib/dns/openssleddsa_link.c
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@@ -0,0 +1,670 @@
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/*
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* Copyright (C) 2017 Internet Systems Consortium, Inc. ("ISC")
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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 http://mozilla.org/MPL/2.0/.
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*/
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#include <config.h>
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#if defined(OPENSSL) && \
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(defined(HAVE_OPENSSL_ED25519) || defined(HAVE_OPENSSL_ED448))
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#include <isc/entropy.h>
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#include <isc/mem.h>
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#include <isc/sha2.h>
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#include <isc/string.h>
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#include <isc/util.h>
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#include <dns/keyvalues.h>
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#include <dst/result.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/err.h>
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#include <openssl/objects.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#ifndef NID_ED25519
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#error "Ed25519 group is not known (NID_ED25519)"
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#endif
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#ifndef NID_ED448
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#error "Ed448 group is not known (NID_ED448)"
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#endif
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#define DST_RET(a) {ret = a; goto err;}
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/* OpenSSL doesn't provide direct access to key values */
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#define PUBPREFIXLEN 12
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static const unsigned char ed25519_pub_prefix[] = {
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0x30, 0x2a, 0x30, 0x05, 0x06, 0x03, 0x2b, 0x65,
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0x70, 0x03, 0x21, 0x00
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};
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static EVP_PKEY *pub_ed25519_to_ossl(const unsigned char *key)
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{
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unsigned char buf[PUBPREFIXLEN + DNS_KEY_ED25519SIZE];
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const unsigned char *p;
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memmove(buf, ed25519_pub_prefix, PUBPREFIXLEN);
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memmove(buf + PUBPREFIXLEN, key, DNS_KEY_ED25519SIZE);
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p = buf;
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return (d2i_PUBKEY(NULL, &p, PUBPREFIXLEN + DNS_KEY_ED25519SIZE));
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}
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static isc_result_t pub_ed25519_from_ossl(EVP_PKEY *pkey,
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unsigned char *key)
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{
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unsigned char buf[PUBPREFIXLEN + DNS_KEY_ED25519SIZE];
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unsigned char *p;
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int len;
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len = i2d_PUBKEY(pkey, NULL);
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if ((len <= DNS_KEY_ED25519SIZE) ||
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(len > PUBPREFIXLEN + DNS_KEY_ED25519SIZE))
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return (DST_R_OPENSSLFAILURE);
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p = buf;
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len = i2d_PUBKEY(pkey, &p);
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if ((len <= DNS_KEY_ED25519SIZE) ||
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(len > PUBPREFIXLEN + DNS_KEY_ED25519SIZE))
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return (DST_R_OPENSSLFAILURE);
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memmove(key, buf + len - DNS_KEY_ED25519SIZE, DNS_KEY_ED25519SIZE);
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return (ISC_R_SUCCESS);
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}
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static const unsigned char ed448_pub_prefix[] = {
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0x30, 0x2a, 0x30, 0x05, 0x06, 0x03, 0x2b, 0x65,
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0x71, 0x03, 0x21, 0x00
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};
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static EVP_PKEY *pub_ed448_to_ossl(const unsigned char *key)
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{
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unsigned char buf[PUBPREFIXLEN + DNS_KEY_ED448SIZE];
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const unsigned char *p;
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memmove(buf, ed448_pub_prefix, PUBPREFIXLEN);
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memmove(buf + PUBPREFIXLEN, key, DNS_KEY_ED448SIZE);
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p = buf;
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return (d2i_PUBKEY(NULL, &p, PUBPREFIXLEN + DNS_KEY_ED448SIZE));
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}
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static isc_result_t pub_ed448_from_ossl(EVP_PKEY *pkey,
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unsigned char *key)
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{
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unsigned char buf[PUBPREFIXLEN + DNS_KEY_ED448SIZE];
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unsigned char *p;
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int len;
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len = i2d_PUBKEY(pkey, NULL);
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if ((len <= DNS_KEY_ED448SIZE) ||
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(len > PUBPREFIXLEN + DNS_KEY_ED448SIZE))
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return (DST_R_OPENSSLFAILURE);
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p = buf;
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len = i2d_PUBKEY(pkey, &p);
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if ((len <= DNS_KEY_ED448SIZE) ||
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(len > PUBPREFIXLEN + DNS_KEY_ED448SIZE))
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return (DST_R_OPENSSLFAILURE);
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memmove(key, buf + len - DNS_KEY_ED448SIZE, DNS_KEY_ED448SIZE);
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return (ISC_R_SUCCESS);
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}
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#define PRIVPREFIXLEN 16
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static const unsigned char ed25519_priv_prefix[] = {
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0x30, 0x2e, 0x02, 0x01, 0x00, 0x30, 0x05, 0x06,
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0x03, 0x2b, 0x65, 0x70, 0x04, 0x22, 0x04, 0x20
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};
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static EVP_PKEY *priv_ed25519_to_ossl(const unsigned char *key)
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{
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unsigned char buf[PRIVPREFIXLEN + DNS_KEY_ED25519SIZE];
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const unsigned char *p;
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memmove(buf, ed25519_priv_prefix, PRIVPREFIXLEN);
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memmove(buf + PRIVPREFIXLEN, key, DNS_KEY_ED25519SIZE);
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p = buf;
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return (d2i_PrivateKey(NID_ED25519, NULL, &p,
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PRIVPREFIXLEN + DNS_KEY_ED25519SIZE));
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}
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static isc_result_t priv_ed25519_from_ossl(EVP_PKEY *pkey,
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unsigned char *key)
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{
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unsigned char buf[PRIVPREFIXLEN + DNS_KEY_ED25519SIZE];
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unsigned char *p;
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int len;
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len = i2d_PrivateKey(pkey, NULL);
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if ((len <= DNS_KEY_ED25519SIZE) ||
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(len > PRIVPREFIXLEN + DNS_KEY_ED25519SIZE))
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return (DST_R_OPENSSLFAILURE);
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p = buf;
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len = i2d_PrivateKey(pkey, &p);
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if ((len <= DNS_KEY_ED25519SIZE) ||
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(len > PRIVPREFIXLEN + DNS_KEY_ED25519SIZE))
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return (DST_R_OPENSSLFAILURE);
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memmove(key, buf + len - DNS_KEY_ED25519SIZE, DNS_KEY_ED25519SIZE);
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return (ISC_R_SUCCESS);
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}
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static const unsigned char ed448_priv_prefix[] = {
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0x30, 0x2e, 0x02, 0x01, 0x00, 0x30, 0x05, 0x06,
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0x03, 0x2b, 0x65, 0x71, 0x04, 0x22, 0x04, 0x20
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};
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static EVP_PKEY *priv_ed448_to_ossl(const unsigned char *key)
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{
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unsigned char buf[PRIVPREFIXLEN + DNS_KEY_ED448SIZE];
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const unsigned char *p;
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memmove(buf, ed448_priv_prefix, PRIVPREFIXLEN);
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memmove(buf + PRIVPREFIXLEN, key, DNS_KEY_ED448SIZE);
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p = buf;
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return (d2i_PrivateKey(NID_ED448, NULL, &p,
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PRIVPREFIXLEN + DNS_KEY_ED448SIZE));
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}
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static isc_result_t priv_ed448_from_ossl(EVP_PKEY *pkey,
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unsigned char *key)
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{
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unsigned char buf[PRIVPREFIXLEN + DNS_KEY_ED448SIZE];
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unsigned char *p;
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int len;
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len = i2d_PrivateKey(pkey, NULL);
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if ((len <= DNS_KEY_ED448SIZE) ||
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(len > PRIVPREFIXLEN + DNS_KEY_ED448SIZE))
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return (DST_R_OPENSSLFAILURE);
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p = buf;
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len = i2d_PrivateKey(pkey, &p);
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if ((len <= DNS_KEY_ED448SIZE) ||
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(len > PRIVPREFIXLEN + DNS_KEY_ED448SIZE))
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return (DST_R_OPENSSLFAILURE);
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memmove(key, buf + len - DNS_KEY_ED448SIZE, DNS_KEY_ED448SIZE);
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return (ISC_R_SUCCESS);
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}
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static isc_result_t openssleddsa_todns(const dst_key_t *key,
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isc_buffer_t *data);
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static isc_result_t
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openssleddsa_createctx(dst_key_t *key, dst_context_t *dctx) {
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isc_buffer_t *buf = NULL;
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isc_result_t result;
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UNUSED(key);
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REQUIRE(dctx->key->key_alg == DST_ALG_ED25519 ||
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dctx->key->key_alg == DST_ALG_ED448);
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result = isc_buffer_allocate(dctx->mctx, &buf, 64);
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dctx->ctxdata.generic = buf;
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return (result);
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}
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static void
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openssleddsa_destroyctx(dst_context_t *dctx) {
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isc_buffer_t *buf = (isc_buffer_t *) dctx->ctxdata.generic;
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REQUIRE(dctx->key->key_alg == DST_ALG_ED25519 ||
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dctx->key->key_alg == DST_ALG_ED448);
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if (buf != NULL)
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isc_buffer_free(&buf);
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dctx->ctxdata.generic = NULL;
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}
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static isc_result_t
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openssleddsa_adddata(dst_context_t *dctx, const isc_region_t *data) {
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isc_buffer_t *buf = (isc_buffer_t *) dctx->ctxdata.generic;
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isc_buffer_t *nbuf = NULL;
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isc_region_t r;
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unsigned int length;
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isc_result_t result;
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REQUIRE(dctx->key->key_alg == DST_ALG_ED25519 ||
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dctx->key->key_alg == DST_ALG_ED448);
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result = isc_buffer_copyregion(buf, data);
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if (result == ISC_R_SUCCESS)
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return (ISC_R_SUCCESS);
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length = isc_buffer_length(buf) + data->length + 64;
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result = isc_buffer_allocate(dctx->mctx, &nbuf, length);
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if (result != ISC_R_SUCCESS)
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return (result);
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isc_buffer_usedregion(buf, &r);
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(void) isc_buffer_copyregion(nbuf, &r);
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(void) isc_buffer_copyregion(nbuf, data);
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isc_buffer_free(&buf);
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dctx->ctxdata.generic = nbuf;
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return (ISC_R_SUCCESS);
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}
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static isc_result_t
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openssleddsa_sign(dst_context_t *dctx, isc_buffer_t *sig) {
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isc_result_t ret;
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dst_key_t *key = dctx->key;
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isc_region_t tbsreg;
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isc_region_t sigreg;
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EVP_PKEY *pkey = key->keydata.pkey;
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EVP_MD_CTX* ctx = EVP_MD_CTX_new();
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isc_buffer_t *buf = (isc_buffer_t *) dctx->ctxdata.generic;
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size_t siglen;
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REQUIRE(key->key_alg == DST_ALG_ED25519 ||
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key->key_alg == DST_ALG_ED448);
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if (ctx == NULL)
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return (ISC_R_NOMEMORY);
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if (key->key_alg == DST_ALG_ED25519)
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siglen = DNS_SIG_ED25519SIZE;
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else
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siglen = DNS_SIG_ED448SIZE;
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isc_buffer_availableregion(sig, &sigreg);
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if (sigreg.length < (unsigned int) siglen)
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DST_RET(ISC_R_NOSPACE);
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isc_buffer_usedregion(buf, &tbsreg);
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if (!EVP_DigestSignInit(ctx, NULL, NULL, NULL, pkey))
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DST_RET(dst__openssl_toresult3(dctx->category,
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"EVP_DigestSignInit",
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ISC_R_FAILURE));
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if (!EVP_DigestSign(ctx, sigreg.base, &siglen,
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tbsreg.base, tbsreg.length))
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DST_RET(dst__openssl_toresult3(dctx->category,
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"EVP_DigestSign",
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DST_R_SIGNFAILURE));
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isc_buffer_add(sig, (unsigned int) siglen);
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ret = ISC_R_SUCCESS;
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err:
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if (ctx != NULL)
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EVP_MD_CTX_free(ctx);
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isc_buffer_free(&buf);
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dctx->ctxdata.generic = NULL;
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return (ret);
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}
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static isc_result_t
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openssleddsa_verify(dst_context_t *dctx, const isc_region_t *sig) {
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isc_result_t ret;
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dst_key_t *key = dctx->key;
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int status;
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isc_region_t tbsreg;
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EVP_PKEY *pkey = key->keydata.pkey;
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EVP_MD_CTX* ctx = EVP_MD_CTX_new();
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isc_buffer_t *buf = (isc_buffer_t *) dctx->ctxdata.generic;
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unsigned int siglen;
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REQUIRE(key->key_alg == DST_ALG_ED25519 ||
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key->key_alg == DST_ALG_ED448);
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if (ctx == NULL)
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return (ISC_R_NOMEMORY);
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if (key->key_alg == DST_ALG_ED25519)
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siglen = DNS_SIG_ED25519SIZE;
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else
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siglen = DNS_SIG_ED448SIZE;
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if (sig->length != siglen)
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return (DST_R_VERIFYFAILURE);
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isc_buffer_usedregion(buf, &tbsreg);
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if (!EVP_DigestVerifyInit(ctx, NULL, NULL, NULL, pkey))
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DST_RET(dst__openssl_toresult3(dctx->category,
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"EVP_DigestVerifyInit",
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ISC_R_FAILURE));
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status = EVP_DigestVerify(ctx, sig->base, siglen,
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tbsreg.base, tbsreg.length);
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switch (status) {
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case 1:
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ret = ISC_R_SUCCESS;
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break;
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case 0:
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ret = dst__openssl_toresult(DST_R_VERIFYFAILURE);
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break;
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default:
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ret = dst__openssl_toresult3(dctx->category,
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"EVP_DigestVerify",
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DST_R_VERIFYFAILURE);
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break;
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}
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err:
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if (ctx != NULL)
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EVP_MD_CTX_free(ctx);
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isc_buffer_free(&buf);
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dctx->ctxdata.generic = NULL;
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return (ret);
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}
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static isc_boolean_t
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openssleddsa_compare(const dst_key_t *key1, const dst_key_t *key2) {
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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 (pkey1 == NULL && pkey2 == NULL)
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return (ISC_TRUE);
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else if (pkey1 == NULL || pkey2 == NULL)
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return (ISC_FALSE);
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status = EVP_PKEY_cmp(pkey1, pkey2);
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if (status == 1)
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return (ISC_TRUE);
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return (ISC_FALSE);
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}
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static isc_result_t
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openssleddsa_generate(dst_key_t *key, int unused, void (*callback)(int)) {
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isc_result_t ret;
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EVP_PKEY *pkey = NULL;
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EVP_PKEY_CTX *ctx = NULL;
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int nid, status;
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REQUIRE(key->key_alg == DST_ALG_ED25519 ||
|
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key->key_alg == DST_ALG_ED448);
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UNUSED(unused);
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UNUSED(callback);
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if (key->key_alg == DST_ALG_ED25519) {
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nid = NID_ED25519;
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key->key_size = DNS_KEY_ED25519SIZE;
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} else {
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nid = NID_ED448;
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key->key_size = DNS_KEY_ED448SIZE;
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}
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ctx = EVP_PKEY_CTX_new_id(nid, NULL);
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if (ctx == NULL)
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return (dst__openssl_toresult2("EVP_PKEY_CTX_new_id",
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DST_R_OPENSSLFAILURE));
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status = EVP_PKEY_keygen_init(ctx);
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if (status != 1)
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DST_RET (dst__openssl_toresult2("EVP_PKEY_keygen_init",
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DST_R_OPENSSLFAILURE));
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status = EVP_PKEY_keygen(ctx, &pkey);
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if (status != 1)
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DST_RET (dst__openssl_toresult2("EVP_PKEY_keygen",
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DST_R_OPENSSLFAILURE));
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|
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key->keydata.pkey = pkey;
|
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ret = ISC_R_SUCCESS;
|
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|
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err:
|
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if (ctx != NULL)
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EVP_PKEY_CTX_free(ctx);
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return (ret);
|
||||
}
|
||||
|
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static isc_boolean_t
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openssleddsa_isprivate(const dst_key_t *key) {
|
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EVP_PKEY *pkey = key->keydata.pkey;
|
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int len;
|
||||
unsigned long err;
|
||||
|
||||
if (pkey == NULL)
|
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return (ISC_FALSE);
|
||||
|
||||
len = i2d_PrivateKey(pkey, NULL);
|
||||
if (len > 0)
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return (ISC_TRUE);
|
||||
/* can check if first error is EC_R_INVALID_PRIVATE_KEY */
|
||||
while ((err = ERR_get_error()) != 0)
|
||||
/**/;
|
||||
|
||||
return (ISC_FALSE);
|
||||
}
|
||||
|
||||
static void
|
||||
openssleddsa_destroy(dst_key_t *key) {
|
||||
EVP_PKEY *pkey = key->keydata.pkey;
|
||||
|
||||
EVP_PKEY_free(pkey);
|
||||
key->keydata.pkey = NULL;
|
||||
}
|
||||
|
||||
static isc_result_t
|
||||
openssleddsa_todns(const dst_key_t *key, isc_buffer_t *data) {
|
||||
EVP_PKEY *pkey = key->keydata.pkey;
|
||||
isc_region_t r;
|
||||
isc_result_t result;
|
||||
|
||||
REQUIRE(pkey != NULL);
|
||||
|
||||
pkey = key->keydata.pkey;
|
||||
switch (key->key_alg) {
|
||||
case DST_ALG_ED25519:
|
||||
isc_buffer_availableregion(data, &r);
|
||||
if (r.length < DNS_KEY_ED25519SIZE)
|
||||
return (ISC_R_NOSPACE);
|
||||
result = pub_ed25519_from_ossl(pkey, r.base);
|
||||
if (result == ISC_R_SUCCESS)
|
||||
isc_buffer_add(data, DNS_KEY_ED25519SIZE);
|
||||
return (result);
|
||||
case DST_ALG_ED448:
|
||||
isc_buffer_availableregion(data, &r);
|
||||
if (r.length < DNS_KEY_ED448SIZE)
|
||||
return (ISC_R_NOSPACE);
|
||||
result = pub_ed448_from_ossl(pkey, r.base);
|
||||
if (result == ISC_R_SUCCESS)
|
||||
isc_buffer_add(data, DNS_KEY_ED448SIZE);
|
||||
return (result);
|
||||
default:
|
||||
INSIST(0);
|
||||
}
|
||||
}
|
||||
|
||||
static isc_result_t
|
||||
openssleddsa_fromdns(dst_key_t *key, isc_buffer_t *data) {
|
||||
EVP_PKEY *pkey;
|
||||
isc_region_t r;
|
||||
unsigned int len;
|
||||
|
||||
REQUIRE(key->key_alg == DST_ALG_ED25519 ||
|
||||
key->key_alg == DST_ALG_ED448);
|
||||
|
||||
isc_buffer_remainingregion(data, &r);
|
||||
if (r.length == 0)
|
||||
return (ISC_R_SUCCESS);
|
||||
if (key->key_alg == DST_ALG_ED25519) {
|
||||
len = DNS_KEY_ED25519SIZE;
|
||||
if (r.length < len)
|
||||
return (DST_R_INVALIDPUBLICKEY);
|
||||
pkey = pub_ed25519_to_ossl(r.base);
|
||||
} else {
|
||||
len = DNS_KEY_ED448SIZE;
|
||||
if (r.length < len)
|
||||
return (DST_R_INVALIDPUBLICKEY);
|
||||
pkey = pub_ed448_to_ossl(r.base);
|
||||
}
|
||||
if (pkey == NULL)
|
||||
return (dst__openssl_toresult(ISC_R_FAILURE));
|
||||
isc_buffer_forward(data, len);
|
||||
key->keydata.pkey = pkey;
|
||||
key->key_size = len;
|
||||
return (ISC_R_SUCCESS);
|
||||
}
|
||||
|
||||
static isc_result_t
|
||||
openssleddsa_tofile(const dst_key_t *key, const char *directory) {
|
||||
isc_result_t ret;
|
||||
EVP_PKEY *pkey;
|
||||
dst_private_t priv;
|
||||
unsigned char *buf = NULL;
|
||||
unsigned int len;
|
||||
|
||||
REQUIRE(key->key_alg == DST_ALG_ED25519 ||
|
||||
key->key_alg == DST_ALG_ED448);
|
||||
|
||||
if (key->keydata.pkey == NULL)
|
||||
return (DST_R_NULLKEY);
|
||||
|
||||
if (key->external) {
|
||||
priv.nelements = 0;
|
||||
return (dst__privstruct_writefile(key, &priv, directory));
|
||||
}
|
||||
|
||||
pkey = key->keydata.pkey;
|
||||
if (key->key_alg == DST_ALG_ED25519) {
|
||||
len = DNS_KEY_ED25519SIZE;
|
||||
buf = isc_mem_get(key->mctx, len);
|
||||
if (buf == NULL)
|
||||
return (ISC_R_NOMEMORY);
|
||||
priv.elements[0].tag = TAG_EDDSA_PRIVATEKEY;
|
||||
priv.elements[0].length = len;
|
||||
ret = priv_ed25519_from_ossl(pkey, buf);
|
||||
if (ret != ISC_R_SUCCESS)
|
||||
DST_RET (dst__openssl_toresult(ret));
|
||||
priv.elements[0].data = buf;
|
||||
priv.nelements = 1;
|
||||
ret = dst__privstruct_writefile(key, &priv, directory);
|
||||
} else {
|
||||
len = DNS_KEY_ED448SIZE;
|
||||
buf = isc_mem_get(key->mctx, len);
|
||||
if (buf == NULL)
|
||||
return (ISC_R_NOMEMORY);
|
||||
priv.elements[0].tag = TAG_EDDSA_PRIVATEKEY;
|
||||
priv.elements[0].length = len;
|
||||
ret = priv_ed448_from_ossl(pkey, buf);
|
||||
if (ret != ISC_R_SUCCESS)
|
||||
DST_RET (dst__openssl_toresult(ret));
|
||||
priv.elements[0].data = buf;
|
||||
priv.nelements = 1;
|
||||
ret = dst__privstruct_writefile(key, &priv, directory);
|
||||
}
|
||||
|
||||
err:
|
||||
if (buf != NULL)
|
||||
isc_mem_put(key->mctx, buf, len);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static isc_result_t
|
||||
eddsa_check(EVP_PKEY *privkey, dst_key_t *pub)
|
||||
{
|
||||
EVP_PKEY *pkey;
|
||||
|
||||
if (pub == NULL)
|
||||
return (ISC_R_SUCCESS);
|
||||
pkey = pub->keydata.pkey;
|
||||
if (pkey == NULL)
|
||||
return (ISC_R_SUCCESS);
|
||||
if (EVP_PKEY_cmp(privkey, pkey) == 1)
|
||||
return (ISC_R_SUCCESS);
|
||||
return (ISC_R_FAILURE);
|
||||
}
|
||||
|
||||
static isc_result_t
|
||||
openssleddsa_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
|
||||
dst_private_t priv;
|
||||
isc_result_t ret;
|
||||
EVP_PKEY *pkey = NULL;
|
||||
unsigned int len;
|
||||
isc_mem_t *mctx = key->mctx;
|
||||
|
||||
REQUIRE(key->key_alg == DST_ALG_ED25519 ||
|
||||
key->key_alg == DST_ALG_ED448);
|
||||
|
||||
/* read private key file */
|
||||
ret = dst__privstruct_parse(key, DST_ALG_ED25519, lexer, mctx, &priv);
|
||||
if (ret != ISC_R_SUCCESS)
|
||||
goto err;
|
||||
|
||||
if (key->external) {
|
||||
if (priv.nelements != 0)
|
||||
DST_RET(DST_R_INVALIDPRIVATEKEY);
|
||||
if (pub == NULL)
|
||||
DST_RET(DST_R_INVALIDPRIVATEKEY);
|
||||
key->keydata.pkey = pub->keydata.pkey;
|
||||
pub->keydata.pkey = NULL;
|
||||
dst__privstruct_free(&priv, mctx);
|
||||
memset(&priv, 0, sizeof(priv));
|
||||
return (ISC_R_SUCCESS);
|
||||
}
|
||||
|
||||
if (key->key_alg == DST_ALG_ED25519) {
|
||||
len = DNS_KEY_ED25519SIZE;
|
||||
if (priv.elements[0].length < len)
|
||||
DST_RET(DST_R_INVALIDPRIVATEKEY);
|
||||
pkey = priv_ed25519_to_ossl(priv.elements[0].data);
|
||||
} else {
|
||||
len = DNS_KEY_ED448SIZE;
|
||||
if (priv.elements[0].length < len)
|
||||
DST_RET(DST_R_INVALIDPRIVATEKEY);
|
||||
pkey = priv_ed448_to_ossl(priv.elements[0].data);
|
||||
}
|
||||
if (pkey == NULL)
|
||||
DST_RET (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
|
||||
if (eddsa_check(pkey, pub) != ISC_R_SUCCESS) {
|
||||
EVP_PKEY_free(pkey);
|
||||
DST_RET(DST_R_INVALIDPRIVATEKEY);
|
||||
}
|
||||
key->keydata.pkey = pkey;
|
||||
key->key_size = len;
|
||||
ret = ISC_R_SUCCESS;
|
||||
|
||||
err:
|
||||
dst__privstruct_free(&priv, mctx);
|
||||
memset(&priv, 0, sizeof(priv));
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static dst_func_t openssleddsa_functions = {
|
||||
openssleddsa_createctx,
|
||||
NULL, /*%< createctx2 */
|
||||
openssleddsa_destroyctx,
|
||||
openssleddsa_adddata,
|
||||
openssleddsa_sign,
|
||||
openssleddsa_verify,
|
||||
NULL, /*%< verify2 */
|
||||
NULL, /*%< computesecret */
|
||||
openssleddsa_compare,
|
||||
NULL, /*%< paramcompare */
|
||||
openssleddsa_generate,
|
||||
openssleddsa_isprivate,
|
||||
openssleddsa_destroy,
|
||||
openssleddsa_todns,
|
||||
openssleddsa_fromdns,
|
||||
openssleddsa_tofile,
|
||||
openssleddsa_parse,
|
||||
NULL, /*%< cleanup */
|
||||
NULL, /*%< fromlabel */
|
||||
NULL, /*%< dump */
|
||||
NULL, /*%< restore */
|
||||
};
|
||||
|
||||
isc_result_t
|
||||
dst__openssleddsa_init(dst_func_t **funcp) {
|
||||
REQUIRE(funcp != NULL);
|
||||
if (*funcp == NULL)
|
||||
*funcp = &openssleddsa_functions;
|
||||
return (ISC_R_SUCCESS);
|
||||
}
|
||||
|
||||
#else /* HAVE_OPENSSL_EDxxx */
|
||||
|
||||
#include <isc/util.h>
|
||||
|
||||
EMPTY_TRANSLATION_UNIT
|
||||
|
||||
#endif /* HAVE_OPENSSL_EDxxx */
|
||||
/*! \file */
|
Reference in New Issue
Block a user