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+/*
+ * Copyright (C) 2009, 2012, 2015 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Portions copyright (c) 2008 Nominet UK. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* pkcs11-keygen - PKCS#11 key generator
+ *
+ * Create a key in the keystore of an HSM
+ *
+ * The calculation of key tag is left to the script
+ * that converts the key into a DNSKEY RR and inserts
+ * it into a zone file.
+ *
+ * usage:
+ * pkcs11-keygen [-P] [-m module] [-s slot] [-e] [-b keysize]
+ * [-i id] [-p pin] -l label
+ *
+ */
+
+/*! \file */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include <isc/commandline.h>
+#include <isc/print.h>
+#include <isc/result.h>
+#include <isc/types.h>
+#include <isc/util.h>
+
+#include <pk11/constants.h>
+#include <pk11/pk11.h>
+#include <pk11/result.h>
+
+/* Define static key template values */
+static CK_BBOOL truevalue = TRUE;
+static CK_BBOOL falsevalue = FALSE;
+
+/* Static arrays of data used for key template initialization */
+static CK_BYTE pk11_ecc_prime256v1[] = PK11_ECC_PRIME256V1;
+static CK_BYTE pk11_ecc_secp384r1[] = PK11_ECC_SECP384R1;
+static CK_BYTE pk11_ecx_ed25519[] = PK11_ECX_ED25519;
+static CK_BYTE pk11_ecx_ed448[] = PK11_ECX_ED448;
+
+/* Key class: RSA, ECC, ECX, or unknown */
+typedef enum { key_unknown, key_rsa, key_ecc, key_ecx } key_class_t;
+
+/*
+ * Private key template
+ */
+#define PRIVATE_LABEL 0
+#define PRIVATE_SIGN 1
+#define PRIVATE_TOKEN 2
+#define PRIVATE_PRIVATE 3
+#define PRIVATE_SENSITIVE 4
+#define PRIVATE_EXTRACTABLE 5
+#define PRIVATE_ID 6
+#define PRIVATE_ATTRS 7
+static CK_ATTRIBUTE private_template[] = {
+ { CKA_LABEL, NULL_PTR, 0 },
+ { CKA_SIGN, &truevalue, sizeof(truevalue) },
+ { CKA_TOKEN, &truevalue, sizeof(truevalue) },
+ { CKA_PRIVATE, &truevalue, sizeof(truevalue) },
+ { CKA_SENSITIVE, &truevalue, sizeof(truevalue) },
+ { CKA_EXTRACTABLE, &falsevalue, sizeof(falsevalue) },
+ { CKA_ID, NULL_PTR, 0 }
+};
+
+/*
+ * Public key template for RSA keys
+ */
+#define RSA_LABEL 0
+#define RSA_VERIFY 1
+#define RSA_TOKEN 2
+#define RSA_PRIVATE 3
+#define RSA_MODULUS_BITS 4
+#define RSA_PUBLIC_EXPONENT 5
+#define RSA_ID 6
+#define RSA_ATTRS 7
+static CK_ATTRIBUTE rsa_template[] = {
+ { CKA_LABEL, NULL_PTR, 0 },
+ { CKA_VERIFY, &truevalue, sizeof(truevalue) },
+ { CKA_TOKEN, &truevalue, sizeof(truevalue) },
+ { CKA_PRIVATE, &falsevalue, sizeof(falsevalue) },
+ { CKA_MODULUS_BITS, NULL_PTR, 0 },
+ { CKA_PUBLIC_EXPONENT, NULL_PTR, 0 },
+ { CKA_ID, NULL_PTR, 0 }
+};
+
+/*
+ * Public key template for ECC/ECX keys
+ */
+#define ECC_LABEL 0
+#define ECC_VERIFY 1
+#define ECC_TOKEN 2
+#define ECC_PRIVATE 3
+#define ECC_PARAMS 4
+#define ECC_ID 5
+#define ECC_ATTRS 6
+static CK_ATTRIBUTE ecc_template[] = {
+ { CKA_LABEL, NULL_PTR, 0 },
+ { CKA_VERIFY, &truevalue, sizeof(truevalue) },
+ { CKA_TOKEN, &truevalue, sizeof(truevalue) },
+ { CKA_PRIVATE, &falsevalue, sizeof(falsevalue) },
+ { CKA_EC_PARAMS, NULL_PTR, 0 },
+ { CKA_ID, NULL_PTR, 0 }
+};
+
+/*
+ * Convert from text to key class. Accepts the names of DNSSEC
+ * signing algorithms, so e.g., ECDSAP256SHA256 maps to ECC and
+ * NSEC3RSASHA1 maps to RSA.
+ */
+static key_class_t
+keyclass_fromtext(const char *name) {
+ if (name == NULL) {
+ return (key_unknown);
+ }
+
+ if (strncasecmp(name, "rsa", 3) == 0 ||
+ strncasecmp(name, "nsec3rsa", 8) == 0)
+ {
+ return (key_rsa);
+ } else if (strncasecmp(name, "ecc", 3) == 0 ||
+ strncasecmp(name, "ecdsa", 5) == 0)
+ {
+ return (key_ecc);
+ } else if (strncasecmp(name, "ecx", 3) == 0 ||
+ strncasecmp(name, "ed", 2) == 0)
+ {
+ return (key_ecx);
+ } else {
+ return (key_unknown);
+ }
+}
+
+static void
+usage(void) {
+ fprintf(stderr, "Usage:\n"
+ "\tpkcs11-keygen -a algorithm -b keysize -l label\n"
+ "\t [-P] [-m module] "
+ "[-s slot] [-e] [-S] [-i id] [-p PIN]\n");
+ exit(2);
+}
+
+int
+main(int argc, char *argv[]) {
+ isc_result_t result;
+ CK_RV rv;
+ CK_SLOT_ID slot = 0;
+ CK_MECHANISM mech;
+ CK_SESSION_HANDLE hSession;
+ char *lib_name = NULL;
+ char *pin = NULL;
+ CK_ULONG bits = 0;
+ CK_CHAR *label = NULL;
+ CK_OBJECT_HANDLE privatekey, publickey;
+ CK_BYTE exponent[5];
+ CK_ULONG expsize = 0;
+ pk11_context_t pctx;
+ int error = 0;
+ int c, errflg = 0;
+ int hide = 1, quiet = 0;
+ int idlen = 0, id_offset = 0;
+ unsigned long id = 0;
+ CK_BYTE idbuf[4];
+ CK_ULONG ulObjectCount;
+ CK_ATTRIBUTE search_template[] = { { CKA_LABEL, NULL_PTR, 0 } };
+ CK_ATTRIBUTE *public_template = NULL;
+ CK_ULONG public_attrcnt = 0, private_attrcnt = PRIVATE_ATTRS;
+ key_class_t keyclass = key_rsa;
+ pk11_optype_t op_type = OP_ANY;
+
+#define OPTIONS ":a:b:ei:l:m:Pp:qSs:"
+ while ((c = isc_commandline_parse(argc, argv, OPTIONS)) != -1) {
+ switch (c) {
+ case 'a':
+ keyclass = keyclass_fromtext(isc_commandline_argument);
+ break;
+ case 'P':
+ hide = 0;
+ break;
+ case 'm':
+ lib_name = isc_commandline_argument;
+ break;
+ case 's':
+ slot = atoi(isc_commandline_argument);
+ break;
+ case 'e':
+ expsize = 5;
+ break;
+ case 'b':
+ bits = atoi(isc_commandline_argument);
+ break;
+ case 'l':
+ /* -l option is retained for backward compatibility * */
+ label = (CK_CHAR *)isc_commandline_argument;
+ break;
+ case 'i':
+ id = strtoul(isc_commandline_argument, NULL, 0);
+ idlen = 4;
+ break;
+ case 'p':
+ pin = isc_commandline_argument;
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ case ':':
+ fprintf(stderr, "Option -%c requires an operand\n",
+ isc_commandline_option);
+ errflg++;
+ break;
+ case '?':
+ default:
+ fprintf(stderr, "Unrecognised option: -%c\n",
+ isc_commandline_option);
+ errflg++;
+ }
+ }
+
+ if (label == NULL && isc_commandline_index < argc) {
+ label = (CK_CHAR *)argv[isc_commandline_index];
+ }
+
+ if (errflg || (label == NULL)) {
+ usage();
+ }
+
+ if (expsize != 0 && keyclass != key_rsa) {
+ fprintf(stderr, "The -e option is only compatible "
+ "with RSA key generation\n");
+ exit(2);
+ }
+
+ switch (keyclass) {
+ case key_rsa:
+ op_type = OP_RSA;
+ if (expsize == 0) {
+ expsize = 3;
+ }
+ if (bits == 0) {
+ usage();
+ }
+
+ mech.mechanism = CKM_RSA_PKCS_KEY_PAIR_GEN;
+ mech.pParameter = NULL;
+ mech.ulParameterLen = 0;
+
+ public_template = rsa_template;
+ public_attrcnt = RSA_ATTRS;
+ id_offset = RSA_ID;
+
+ /* Set public exponent to F4 or F5 */
+ exponent[0] = 0x01;
+ exponent[1] = 0x00;
+ if (expsize == 3) {
+ exponent[2] = 0x01;
+ } else {
+ exponent[2] = 0x00;
+ exponent[3] = 0x00;
+ exponent[4] = 0x01;
+ }
+
+ public_template[RSA_MODULUS_BITS].pValue = &bits;
+ public_template[RSA_MODULUS_BITS].ulValueLen = sizeof(bits);
+ public_template[RSA_PUBLIC_EXPONENT].pValue = &exponent;
+ public_template[RSA_PUBLIC_EXPONENT].ulValueLen = expsize;
+ break;
+ case key_ecc:
+ op_type = OP_ECDSA;
+ if (bits == 0) {
+ bits = 256;
+ } else if (bits != 256 && bits != 384) {
+ fprintf(stderr, "ECC keys only support bit sizes of "
+ "256 and 384\n");
+ exit(2);
+ }
+
+ mech.mechanism = CKM_EC_KEY_PAIR_GEN;
+ mech.pParameter = NULL;
+ mech.ulParameterLen = 0;
+
+ public_template = ecc_template;
+ public_attrcnt = ECC_ATTRS;
+ id_offset = ECC_ID;
+
+ if (bits == 256) {
+ public_template[4].pValue = pk11_ecc_prime256v1;
+ public_template[4].ulValueLen =
+ sizeof(pk11_ecc_prime256v1);
+ } else {
+ public_template[4].pValue = pk11_ecc_secp384r1;
+ public_template[4].ulValueLen =
+ sizeof(pk11_ecc_secp384r1);
+ }
+
+ break;
+ case key_ecx:
+ op_type = OP_EDDSA;
+ if (bits == 0) {
+ bits = 256;
+ } else if (bits != 256 && bits != 456) {
+ fprintf(stderr, "ECX keys only support bit sizes of "
+ "256 and 456\n");
+ exit(2);
+ }
+
+ mech.mechanism = CKM_EC_EDWARDS_KEY_PAIR_GEN;
+ mech.pParameter = NULL;
+ mech.ulParameterLen = 0;
+
+ public_template = ecc_template;
+ public_attrcnt = ECC_ATTRS;
+ id_offset = ECC_ID;
+
+ if (bits == 256) {
+ public_template[4].pValue = pk11_ecx_ed25519;
+ public_template[4].ulValueLen =
+ sizeof(pk11_ecx_ed25519);
+ } else {
+ public_template[4].pValue = pk11_ecx_ed448;
+ public_template[4].ulValueLen = sizeof(pk11_ecx_ed448);
+ }
+
+ break;
+ case key_unknown:
+ usage();
+ }
+
+ search_template[0].pValue = label;
+ search_template[0].ulValueLen = strlen((char *)label);
+ public_template[0].pValue = label;
+ public_template[0].ulValueLen = strlen((char *)label);
+ private_template[0].pValue = label;
+ private_template[0].ulValueLen = strlen((char *)label);
+
+ if (idlen == 0) {
+ public_attrcnt--;
+ private_attrcnt--;
+ } else {
+ if (id <= 0xffff) {
+ idlen = 2;
+ idbuf[0] = (CK_BYTE)(id >> 8);
+ idbuf[1] = (CK_BYTE)id;
+ } else {
+ idbuf[0] = (CK_BYTE)(id >> 24);
+ idbuf[1] = (CK_BYTE)(id >> 16);
+ idbuf[2] = (CK_BYTE)(id >> 8);
+ idbuf[3] = (CK_BYTE)id;
+ }
+
+ public_template[id_offset].pValue = idbuf;
+ public_template[id_offset].ulValueLen = idlen;
+ private_template[PRIVATE_ID].pValue = idbuf;
+ private_template[PRIVATE_ID].ulValueLen = idlen;
+ }
+
+ pk11_result_register();
+
+ /* Initialize the CRYPTOKI library */
+ if (lib_name != NULL) {
+ pk11_set_lib_name(lib_name);
+ }
+
+ if (pin == NULL) {
+ pin = getpass("Enter Pin: ");
+ }
+
+ result = pk11_get_session(&pctx, op_type, false, true, true,
+ (const char *)pin, slot);
+ if (result == PK11_R_NORANDOMSERVICE ||
+ result == PK11_R_NODIGESTSERVICE || result == PK11_R_NOAESSERVICE)
+ {
+ fprintf(stderr, "Warning: %s\n", isc_result_totext(result));
+ fprintf(stderr, "This HSM will not work with BIND 9 "
+ "using native PKCS#11.\n");
+ } else if (result != ISC_R_SUCCESS) {
+ fprintf(stderr,
+ "Unrecoverable error initializing "
+ "PKCS#11: %s\n",
+ isc_result_totext(result));
+ exit(1);
+ }
+
+ memset(pin, 0, strlen(pin));
+
+ hSession = pctx.session;
+
+ /* check if a key with the same id already exists */
+ rv = pkcs_C_FindObjectsInit(hSession, search_template, 1);
+ if (rv != CKR_OK) {
+ fprintf(stderr, "C_FindObjectsInit: Error = 0x%.8lX\n", rv);
+ error = 1;
+ goto exit_session;
+ }
+ rv = pkcs_C_FindObjects(hSession, &privatekey, 1, &ulObjectCount);
+ if (rv != CKR_OK) {
+ fprintf(stderr, "C_FindObjects: Error = 0x%.8lX\n", rv);
+ error = 1;
+ goto exit_search;
+ }
+ if (ulObjectCount != 0) {
+ fprintf(stderr, "Key already exists.\n");
+ error = 1;
+ goto exit_search;
+ }
+
+ /* Set attributes if the key is not to be hidden */
+ if (!hide) {
+ private_template[4].pValue = &falsevalue;
+ private_template[5].pValue = &truevalue;
+ }
+
+ /* Generate Key pair for signing/verifying */
+ rv = pkcs_C_GenerateKeyPair(hSession, &mech, public_template,
+ public_attrcnt, private_template,
+ private_attrcnt, &publickey, &privatekey);
+
+ if (rv != CKR_OK) {
+ fprintf(stderr, "C_GenerateKeyPair: Error = 0x%.8lX\n", rv);
+ error = 1;
+ } else if (!quiet) {
+ printf("Key pair generation complete.\n");
+ }
+
+exit_search:
+ rv = pkcs_C_FindObjectsFinal(hSession);
+ if (rv != CKR_OK) {
+ fprintf(stderr, "C_FindObjectsFinal: Error = 0x%.8lX\n", rv);
+ error = 1;
+ }
+
+exit_session:
+ pk11_return_session(&pctx);
+ (void)pk11_finalize();
+
+ exit(error);
+}