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;
+ RSA *rsa = NULL;
+
+ 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);
+ }
+
+ 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));
+ }
+
+ /*
+ * 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 (rsa != NULL) {
+ RSA_free(rsa);
+ }
+ 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);
- UNUSED(algorithm);
+ result = check_algorithm(algorithm);
- if (*funcp == NULL) {
- *funcp = &opensslrsa_functions;
+ if (result == ISC_R_SUCCESS) {
+ if (*funcp == NULL) {
+ *funcp = &opensslrsa_functions;
+ }
+ } else if (result == ISC_R_NOTIMPLEMENTED) {
+ result = ISC_R_SUCCESS;
}
- return (ISC_R_SUCCESS);
+
+ return (result);
}
#endif /* !USE_PKCS11 */
--- /dev/null
+/*
+ * 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.
+ */
+
+#include <stdio.h>
+
+#include <openssl/bn.h>
+#include <openssl/core_names.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/opensslv.h>
+#include <openssl/param_build.h>
+#include <openssl/rsa.h>
+
+/*
+ * Generate test vectors for lib/dns/opensslrsa_link.c as:
+ *
+ * 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
+ */
+
+int
+main() {
+ BIGNUM *e = BN_new();
+ BIGNUM *n = BN_new();
+ EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL);
+ EVP_PKEY *pkey = NULL;
+ unsigned char buf[512];
+ size_t bytes;
+ EVP_MD_CTX *evp_md_ctx = EVP_MD_CTX_create();
+ unsigned int siglen = sizeof(buf);
+
+ if (e == NULL || n == NULL || ctx == NULL || evp_md_ctx == NULL) {
+ return (1);
+ }
+
+ BN_set_bit(e, 0);
+ BN_set_bit(e, 16);
+
+ if (EVP_PKEY_keygen_init(ctx) != 1 ||
+ EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, 2048) != 1 ||
+ EVP_PKEY_CTX_set1_rsa_keygen_pubexp(ctx, e) != 1 ||
+ EVP_PKEY_keygen(ctx, &pkey) != 1 || pkey == NULL)
+ {
+ return (1);
+ }
+
+ EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_N, &n);
+ if (n == NULL) {
+ return (1);
+ }
+
+ bytes = BN_num_bytes(e);
+ BN_bn2bin(e, buf);
+ printf("unsigned char e_bytes[] = \"");
+ for (size_t i = 0; i < bytes; i++) {
+ printf("\\x%02x", buf[i]);
+ }
+ printf("\";\n");
+
+ bytes = BN_num_bytes(n);
+ BN_bn2bin(n, buf);
+ printf("unsigned char n_bytes[] = \"");
+ for (size_t i = 0; i < bytes; i++) {
+ printf("\\x%02x", buf[i]);
+ }
+ printf("\";\n\n");
+
+ if (EVP_DigestInit_ex(evp_md_ctx, EVP_sha1(), NULL) != 1 ||
+ EVP_DigestUpdate(evp_md_ctx, "test", 4) != 1 ||
+ EVP_SignFinal(evp_md_ctx, buf, &siglen, pkey) != 1)
+ {
+ return (1);
+ }
+ bytes = siglen;
+ printf("unsigned char sha1_sig[] = \"");
+ for (size_t i = 0; i < bytes; i++) {
+ printf("\\x%02x", buf[i]);
+ }
+ printf("\";\n\n");
+
+ if (EVP_DigestInit_ex(evp_md_ctx, EVP_sha256(), NULL) != 1 ||
+ EVP_DigestUpdate(evp_md_ctx, "test", 4) != 1 ||
+ EVP_SignFinal(evp_md_ctx, buf, &siglen, pkey) != 1)
+ {
+ return (1);
+ }
+ bytes = siglen;
+ printf("unsigned char sha256_sig[] = \"");
+ for (size_t i = 0; i < bytes; i++) {
+ printf("\\x%02x", buf[i]);
+ }
+ printf("\";\n\n");
+
+ if (EVP_DigestInit_ex(evp_md_ctx, EVP_sha512(), NULL) != 1 ||
+ EVP_DigestUpdate(evp_md_ctx, "test", 4) != 1 ||
+ EVP_SignFinal(evp_md_ctx, buf, &siglen, pkey) != 1)
+ {
+ return (1);
+ }
+ bytes = siglen;
+ printf("unsigned char sha512_sig[] = \"");
+ for (size_t i = 0; i < bytes; i++) {
+ printf("\\x%02x", buf[i]);
+ }
+ printf("\";\n\n");
+
+ return (0);
+}