1 /* Copyright (c) 2015, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #include <stdint.h> 16 #include <string.h> 17 18 #include <gtest/gtest.h> 19 20 #include <openssl/curve25519.h> 21 22 #include "../internal.h" 23 #include "../test/file_test.h" 24 #include "../test/test_util.h" 25 26 27 TEST(Ed25519Test, TestVectors) { 28 FileTestGTest("crypto/curve25519/ed25519_tests.txt", [](FileTest *t) { 29 std::vector<uint8_t> private_key, public_key, message, expected_signature; 30 ASSERT_TRUE(t->GetBytes(&private_key, "PRIV")); 31 ASSERT_EQ(64u, private_key.size()); 32 ASSERT_TRUE(t->GetBytes(&public_key, "PUB")); 33 ASSERT_EQ(32u, public_key.size()); 34 ASSERT_TRUE(t->GetBytes(&message, "MESSAGE")); 35 ASSERT_TRUE(t->GetBytes(&expected_signature, "SIG")); 36 ASSERT_EQ(64u, expected_signature.size()); 37 38 uint8_t signature[64]; 39 ASSERT_TRUE(ED25519_sign(signature, message.data(), message.size(), 40 private_key.data())); 41 EXPECT_EQ(Bytes(expected_signature), Bytes(signature)); 42 EXPECT_TRUE(ED25519_verify(message.data(), message.size(), signature, 43 public_key.data())); 44 }); 45 } 46 47 TEST(Ed25519Test, KeypairFromSeed) { 48 uint8_t public_key1[32], private_key1[64]; 49 ED25519_keypair(public_key1, private_key1); 50 51 uint8_t seed[32]; 52 OPENSSL_memcpy(seed, private_key1, sizeof(seed)); 53 54 uint8_t public_key2[32], private_key2[64]; 55 ED25519_keypair_from_seed(public_key2, private_key2, seed); 56 57 EXPECT_EQ(Bytes(public_key1), Bytes(public_key2)); 58 EXPECT_EQ(Bytes(private_key1), Bytes(private_key2)); 59 } 60
