- /*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
- /* ====================================================================
- * Copyright (c) 2015 The OpenSSL Project. 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.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS CONTRIBUTORS 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.
- * ====================================================================
- */
-
- #include <openssl/evp.h>
-
- #include <stdio.h>
- #include <stdint.h>
- #include <stdlib.h>
- #include <string.h>
-
- OPENSSL_MSVC_PRAGMA(warning(push))
- OPENSSL_MSVC_PRAGMA(warning(disable: 4702))
-
- #include <map>
- #include <string>
- #include <utility>
- #include <vector>
-
- OPENSSL_MSVC_PRAGMA(warning(pop))
-
- #include <openssl/bytestring.h>
- #include <openssl/crypto.h>
- #include <openssl/digest.h>
- #include <openssl/err.h>
- #include <openssl/rsa.h>
-
- #include "../test/file_test.h"
-
-
- // evp_test dispatches between multiple test types. PrivateKey tests take a key
- // name parameter and single block, decode it as a PEM private key, and save it
- // under that key name. Decrypt, Sign, and Verify tests take a previously
- // imported key name as parameter and test their respective operations.
-
- static const EVP_MD *GetDigest(FileTest *t, const std::string &name) {
- if (name == "MD5") {
- return EVP_md5();
- } else if (name == "SHA1") {
- return EVP_sha1();
- } else if (name == "SHA224") {
- return EVP_sha224();
- } else if (name == "SHA256") {
- return EVP_sha256();
- } else if (name == "SHA384") {
- return EVP_sha384();
- } else if (name == "SHA512") {
- return EVP_sha512();
- }
- t->PrintLine("Unknown digest: '%s'", name.c_str());
- return nullptr;
- }
-
- static int GetKeyType(FileTest *t, const std::string &name) {
- if (name == "RSA") {
- return EVP_PKEY_RSA;
- }
- if (name == "EC") {
- return EVP_PKEY_EC;
- }
- if (name == "DSA") {
- return EVP_PKEY_DSA;
- }
- t->PrintLine("Unknown key type: '%s'", name.c_str());
- return EVP_PKEY_NONE;
- }
-
- static int GetRSAPadding(FileTest *t, int *out, const std::string &name) {
- if (name == "PKCS1") {
- *out = RSA_PKCS1_PADDING;
- return true;
- }
- if (name == "PSS") {
- *out = RSA_PKCS1_PSS_PADDING;
- return true;
- }
- if (name == "OAEP") {
- *out = RSA_PKCS1_OAEP_PADDING;
- return true;
- }
- t->PrintLine("Unknown RSA padding mode: '%s'", name.c_str());
- return false;
- }
-
- using KeyMap = std::map<std::string, bssl::UniquePtr<EVP_PKEY>>;
-
- static bool ImportKey(FileTest *t, KeyMap *key_map,
- EVP_PKEY *(*parse_func)(CBS *cbs),
- int (*marshal_func)(CBB *cbb, const EVP_PKEY *key)) {
- std::vector<uint8_t> input;
- if (!t->GetBytes(&input, "Input")) {
- return false;
- }
-
- CBS cbs;
- CBS_init(&cbs, input.data(), input.size());
- bssl::UniquePtr<EVP_PKEY> pkey(parse_func(&cbs));
- if (!pkey) {
- return false;
- }
-
- std::string key_type;
- if (!t->GetAttribute(&key_type, "Type")) {
- return false;
- }
- if (EVP_PKEY_id(pkey.get()) != GetKeyType(t, key_type)) {
- t->PrintLine("Bad key type.");
- return false;
- }
-
- // The key must re-encode correctly.
- bssl::ScopedCBB cbb;
- uint8_t *der;
- size_t der_len;
- if (!CBB_init(cbb.get(), 0) ||
- !marshal_func(cbb.get(), pkey.get()) ||
- !CBB_finish(cbb.get(), &der, &der_len)) {
- return false;
- }
- bssl::UniquePtr<uint8_t> free_der(der);
-
- std::vector<uint8_t> output = input;
- if (t->HasAttribute("Output") &&
- !t->GetBytes(&output, "Output")) {
- return false;
- }
- if (!t->ExpectBytesEqual(output.data(), output.size(), der, der_len)) {
- t->PrintLine("Re-encoding the key did not match.");
- return false;
- }
-
- // Save the key for future tests.
- const std::string &key_name = t->GetParameter();
- if (key_map->count(key_name) > 0) {
- t->PrintLine("Duplicate key '%s'.", key_name.c_str());
- return false;
- }
- (*key_map)[key_name] = std::move(pkey);
- return true;
- }
-
- static bool TestEVP(FileTest *t, void *arg) {
- KeyMap *key_map = reinterpret_cast<KeyMap*>(arg);
- if (t->GetType() == "PrivateKey") {
- return ImportKey(t, key_map, EVP_parse_private_key,
- EVP_marshal_private_key);
- }
-
- if (t->GetType() == "PublicKey") {
- return ImportKey(t, key_map, EVP_parse_public_key, EVP_marshal_public_key);
- }
-
- int (*key_op_init)(EVP_PKEY_CTX *ctx);
- int (*key_op)(EVP_PKEY_CTX *ctx, uint8_t *out, size_t *out_len,
- const uint8_t *in, size_t in_len);
- if (t->GetType() == "Decrypt") {
- key_op_init = EVP_PKEY_decrypt_init;
- key_op = EVP_PKEY_decrypt;
- } else if (t->GetType() == "Sign") {
- key_op_init = EVP_PKEY_sign_init;
- key_op = EVP_PKEY_sign;
- } else if (t->GetType() == "Verify") {
- key_op_init = EVP_PKEY_verify_init;
- key_op = nullptr; // EVP_PKEY_verify is handled differently.
- } else {
- t->PrintLine("Unknown test '%s'", t->GetType().c_str());
- return false;
- }
-
- // Load the key.
- const std::string &key_name = t->GetParameter();
- if (key_map->count(key_name) == 0) {
- t->PrintLine("Could not find key '%s'.", key_name.c_str());
- return false;
- }
- EVP_PKEY *key = (*key_map)[key_name].get();
-
- std::vector<uint8_t> input, output;
- if (!t->GetBytes(&input, "Input") ||
- !t->GetBytes(&output, "Output")) {
- return false;
- }
-
- // Set up the EVP_PKEY_CTX.
- bssl::UniquePtr<EVP_PKEY_CTX> ctx(EVP_PKEY_CTX_new(key, nullptr));
- if (!ctx || !key_op_init(ctx.get())) {
- return false;
- }
- if (t->HasAttribute("Digest")) {
- const EVP_MD *digest = GetDigest(t, t->GetAttributeOrDie("Digest"));
- if (digest == nullptr ||
- !EVP_PKEY_CTX_set_signature_md(ctx.get(), digest)) {
- return false;
- }
- }
- if (t->HasAttribute("RSAPadding")) {
- int padding;
- if (!GetRSAPadding(t, &padding, t->GetAttributeOrDie("RSAPadding")) ||
- !EVP_PKEY_CTX_set_rsa_padding(ctx.get(), padding)) {
- return false;
- }
- }
- if (t->HasAttribute("PSSSaltLength") &&
- !EVP_PKEY_CTX_set_rsa_pss_saltlen(
- ctx.get(), atoi(t->GetAttributeOrDie("PSSSaltLength").c_str()))) {
- return false;
- }
- if (t->HasAttribute("MGF1Digest")) {
- const EVP_MD *digest = GetDigest(t, t->GetAttributeOrDie("MGF1Digest"));
- if (digest == nullptr ||
- !EVP_PKEY_CTX_set_rsa_mgf1_md(ctx.get(), digest)) {
- return false;
- }
- }
-
- if (t->GetType() == "Verify") {
- if (!EVP_PKEY_verify(ctx.get(), output.data(), output.size(), input.data(),
- input.size())) {
- // ECDSA sometimes doesn't push an error code. Push one on the error queue
- // so it's distinguishable from other errors.
- OPENSSL_PUT_ERROR(USER, ERR_R_EVP_LIB);
- return false;
- }
- return true;
- }
-
- size_t len;
- std::vector<uint8_t> actual;
- if (!key_op(ctx.get(), nullptr, &len, input.data(), input.size())) {
- return false;
- }
- actual.resize(len);
- if (!key_op(ctx.get(), actual.data(), &len, input.data(), input.size())) {
- return false;
- }
- actual.resize(len);
- if (!t->ExpectBytesEqual(output.data(), output.size(), actual.data(), len)) {
- return false;
- }
- return true;
- }
-
- int main(int argc, char *argv[]) {
- CRYPTO_library_init();
- if (argc != 2) {
- fprintf(stderr, "%s <test file.txt>\n", argv[0]);
- return 1;
- }
-
- KeyMap map;
- return FileTestMain(TestEVP, &map, argv[1]);
- }
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