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- /*
- * 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 <stdio.h>
- #include <stdint.h>
- #include <stdlib.h>
- #include <string.h>
-
- #include <map>
- #include <string>
- #include <vector>
-
- #include <openssl/bio.h>
- #include <openssl/crypto.h>
- #include <openssl/digest.h>
- #include <openssl/err.h>
- #include <openssl/evp.h>
- #include <openssl/pem.h>
-
- #include "../test/file_test.h"
- #include "../test/scoped_types.h"
- #include "../test/stl_compat.h"
-
-
- // evp_test dispatches between multiple test types. HMAC tests test the legacy
- // EVP_PKEY_HMAC API. 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;
- }
-
- using KeyMap = std::map<std::string, EVP_PKEY*>;
-
- // ImportPrivateKey evaluates a PrivateKey test in |t| and writes the resulting
- // private key to |key_map|.
- static bool ImportPrivateKey(FileTest *t, KeyMap *key_map) {
- 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;
- }
- const std::string &block = t->GetBlock();
- ScopedBIO bio(BIO_new_mem_buf(const_cast<char*>(block.data()), block.size()));
- if (!bio) {
- return false;
- }
- ScopedEVP_PKEY pkey(PEM_read_bio_PrivateKey(bio.get(), nullptr, 0, nullptr));
- if (!pkey) {
- t->PrintLine("Error reading private key.");
- return false;
- }
- (*key_map)[key_name] = pkey.release();
- return true;
- }
-
- static bool TestHMAC(FileTest *t) {
- std::string digest_str;
- if (!t->GetAttribute(&digest_str, "HMAC")) {
- return false;
- }
- const EVP_MD *digest = GetDigest(t, digest_str);
- if (digest == nullptr) {
- return false;
- }
-
- std::vector<uint8_t> key, input, output;
- if (!t->GetBytes(&key, "Key") ||
- !t->GetBytes(&input, "Input") ||
- !t->GetBytes(&output, "Output")) {
- return false;
- }
-
- ScopedEVP_PKEY pkey(EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, nullptr,
- bssl::vector_data(&key),
- key.size()));
- ScopedEVP_MD_CTX mctx;
- if (!pkey ||
- !EVP_DigestSignInit(mctx.get(), nullptr, digest, nullptr, pkey.get()) ||
- !EVP_DigestSignUpdate(mctx.get(), bssl::vector_data(&input),
- input.size())) {
- return false;
- }
-
- size_t len;
- std::vector<uint8_t> actual;
- if (!EVP_DigestSignFinal(mctx.get(), nullptr, &len)) {
- return false;
- }
- actual.resize(len);
- if (!EVP_DigestSignFinal(mctx.get(), bssl::vector_data(&actual), &len)) {
- return false;
- }
- actual.resize(len);
- return t->ExpectBytesEqual(bssl::vector_data(&output), output.size(),
- bssl::vector_data(&actual), actual.size());
- }
-
- static bool TestEVP(FileTest *t, void *arg) {
- KeyMap *key_map = reinterpret_cast<KeyMap*>(arg);
- if (t->GetType() == "PrivateKey") {
- return ImportPrivateKey(t, key_map);
- } else if (t->GetType() == "HMAC") {
- return TestHMAC(t);
- }
-
- 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];
-
- std::vector<uint8_t> input, output;
- if (!t->GetBytes(&input, "Input") ||
- !t->GetBytes(&output, "Output")) {
- return false;
- }
-
- // Set up the EVP_PKEY_CTX.
- ScopedEVP_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->GetType() == "Verify") {
- if (!EVP_PKEY_verify(ctx.get(), bssl::vector_data(&output), output.size(),
- bssl::vector_data(&input), input.size())) {
- // ECDSA sometimes doesn't push an error code. Push one on the error queue
- // so it's distinguishable from other errors.
- ERR_put_error(ERR_LIB_USER, 0, ERR_R_EVP_LIB, __FILE__, __LINE__);
- return false;
- }
- return true;
- }
-
- size_t len;
- std::vector<uint8_t> actual;
- if (!key_op(ctx.get(), nullptr, &len, bssl::vector_data(&input),
- input.size())) {
- return false;
- }
- actual.resize(len);
- if (!key_op(ctx.get(), bssl::vector_data(&actual), &len,
- bssl::vector_data(&input), input.size())) {
- return false;
- }
- actual.resize(len);
- if (!t->ExpectBytesEqual(bssl::vector_data(&output), output.size(),
- bssl::vector_data(&actual), 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;
- int ret = FileTestMain(TestEVP, &map, argv[1]);
- // TODO(davidben): When we can rely on a move-aware std::map, make KeyMap a
- // map of ScopedEVP_PKEY instead.
- for (const auto &pair : map) {
- EVP_PKEY_free(pair.second);
- }
- return ret;
- }
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