ref: 8bc69a872883224675a55db51ac8f60ab5ed9e5a
dir: /third_party/boringssl/src/crypto/evp/evp_test.cc/
/* * 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 <gtest/gtest.h> #include <openssl/bytestring.h> #include <openssl/crypto.h> #include <openssl/digest.h> #include <openssl/dsa.h> #include <openssl/err.h> #include <openssl/rsa.h> #include "../test/file_test.h" #include "../test/test_util.h" #include "../test/wycheproof_util.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(); } ADD_FAILURE() << "Unknown digest: " << name; 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; } if (name == "Ed25519") { return EVP_PKEY_ED25519; } if (name == "X25519") { return EVP_PKEY_X25519; } ADD_FAILURE() << "Unknown key type: " << name; 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; } ADD_FAILURE() << "Unknown RSA padding mode: " << name; 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; } EXPECT_EQ(GetKeyType(t, key_type), EVP_PKEY_id(pkey.get())); // 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; } EXPECT_EQ(Bytes(output), Bytes(der, der_len)) << "Re-encoding the key did not match."; if (t->HasAttribute("ExpectNoRawPrivate")) { size_t len; EXPECT_FALSE(EVP_PKEY_get_raw_private_key(pkey.get(), nullptr, &len)); } else if (t->HasAttribute("ExpectRawPrivate")) { std::vector<uint8_t> expected; if (!t->GetBytes(&expected, "ExpectRawPrivate")) { return false; } std::vector<uint8_t> raw; size_t len; if (!EVP_PKEY_get_raw_private_key(pkey.get(), nullptr, &len)) { return false; } raw.resize(len); if (!EVP_PKEY_get_raw_private_key(pkey.get(), raw.data(), &len)) { return false; } raw.resize(len); EXPECT_EQ(Bytes(raw), Bytes(expected)); // Short buffers should be rejected. raw.resize(len - 1); len = raw.size(); EXPECT_FALSE(EVP_PKEY_get_raw_private_key(pkey.get(), raw.data(), &len)); } if (t->HasAttribute("ExpectNoRawPublic")) { size_t len; EXPECT_FALSE(EVP_PKEY_get_raw_public_key(pkey.get(), nullptr, &len)); } else if (t->HasAttribute("ExpectRawPublic")) { std::vector<uint8_t> expected; if (!t->GetBytes(&expected, "ExpectRawPublic")) { return false; } std::vector<uint8_t> raw; size_t len; if (!EVP_PKEY_get_raw_public_key(pkey.get(), nullptr, &len)) { return false; } raw.resize(len); if (!EVP_PKEY_get_raw_public_key(pkey.get(), raw.data(), &len)) { return false; } raw.resize(len); EXPECT_EQ(Bytes(raw), Bytes(expected)); // Short buffers should be rejected. raw.resize(len - 1); len = raw.size(); EXPECT_FALSE(EVP_PKEY_get_raw_public_key(pkey.get(), raw.data(), &len)); } // Save the key for future tests. const std::string &key_name = t->GetParameter(); EXPECT_EQ(0u, key_map->count(key_name)) << "Duplicate key: " << key_name; (*key_map)[key_name] = std::move(pkey); return true; } // SetupContext configures |ctx| based on attributes in |t|, with the exception // of the signing digest which must be configured externally. static bool SetupContext(FileTest *t, KeyMap *key_map, EVP_PKEY_CTX *ctx) { if (t->HasAttribute("RSAPadding")) { int padding; if (!GetRSAPadding(t, &padding, t->GetAttributeOrDie("RSAPadding")) || !EVP_PKEY_CTX_set_rsa_padding(ctx, padding)) { return false; } } if (t->HasAttribute("PSSSaltLength") && !EVP_PKEY_CTX_set_rsa_pss_saltlen( ctx, 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, digest)) { return false; } } if (t->HasAttribute("OAEPDigest")) { const EVP_MD *digest = GetDigest(t, t->GetAttributeOrDie("OAEPDigest")); if (digest == nullptr || !EVP_PKEY_CTX_set_rsa_oaep_md(ctx, digest)) { return false; } } if (t->HasAttribute("OAEPLabel")) { std::vector<uint8_t> label; if (!t->GetBytes(&label, "OAEPLabel")) { return false; } // For historical reasons, |EVP_PKEY_CTX_set0_rsa_oaep_label| expects to be // take ownership of the input. bssl::UniquePtr<uint8_t> buf(reinterpret_cast<uint8_t *>( OPENSSL_memdup(label.data(), label.size()))); if (!buf || !EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, buf.get(), label.size())) { return false; } buf.release(); } if (t->HasAttribute("DerivePeer")) { std::string derive_peer = t->GetAttributeOrDie("DerivePeer"); if (key_map->count(derive_peer) == 0) { ADD_FAILURE() << "Could not find key " << derive_peer; return false; } EVP_PKEY *derive_peer_key = (*key_map)[derive_peer].get(); if (!EVP_PKEY_derive_set_peer(ctx, derive_peer_key)) { return false; } } return true; } static bool TestDerive(FileTest *t, KeyMap *key_map, EVP_PKEY *key) { bssl::UniquePtr<EVP_PKEY_CTX> ctx(EVP_PKEY_CTX_new(key, nullptr)); if (!ctx || !EVP_PKEY_derive_init(ctx.get()) || !SetupContext(t, key_map, ctx.get())) { return false; } bssl::UniquePtr<EVP_PKEY_CTX> copy(EVP_PKEY_CTX_dup(ctx.get())); if (!copy) { return false; } for (EVP_PKEY_CTX *pctx : {ctx.get(), copy.get()}) { size_t len; std::vector<uint8_t> actual, output; if (!EVP_PKEY_derive(pctx, nullptr, &len)) { return false; } actual.resize(len); if (!EVP_PKEY_derive(pctx, actual.data(), &len)) { return false; } actual.resize(len); // Defer looking up the attribute so Error works properly. if (!t->GetBytes(&output, "Output")) { return false; } EXPECT_EQ(Bytes(output), Bytes(actual)); // Test when the buffer is too large. actual.resize(len + 1); len = actual.size(); if (!EVP_PKEY_derive(pctx, actual.data(), &len)) { return false; } actual.resize(len); EXPECT_EQ(Bytes(output), Bytes(actual)); // Test when the buffer is too small. actual.resize(len - 1); len = actual.size(); if (t->HasAttribute("SmallBufferTruncates")) { if (!EVP_PKEY_derive(pctx, actual.data(), &len)) { return false; } actual.resize(len); EXPECT_EQ(Bytes(output.data(), len), Bytes(actual)); } else { EXPECT_FALSE(EVP_PKEY_derive(pctx, actual.data(), &len)); ERR_clear_error(); } } return true; } static bool TestEVP(FileTest *t, KeyMap *key_map) { 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); } // Load the key. const std::string &key_name = t->GetParameter(); if (key_map->count(key_name) == 0) { ADD_FAILURE() << "Could not find key " << key_name; return false; } EVP_PKEY *key = (*key_map)[key_name].get(); int (*key_op_init)(EVP_PKEY_CTX *ctx) = nullptr; int (*key_op)(EVP_PKEY_CTX *ctx, uint8_t *out, size_t *out_len, const uint8_t *in, size_t in_len) = nullptr; int (*md_op_init)(EVP_MD_CTX * ctx, EVP_PKEY_CTX * *pctx, const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey) = nullptr; bool is_verify = false; 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; is_verify = true; } else if (t->GetType() == "SignMessage") { md_op_init = EVP_DigestSignInit; } else if (t->GetType() == "VerifyMessage") { md_op_init = EVP_DigestVerifyInit; is_verify = true; } else if (t->GetType() == "Encrypt") { key_op_init = EVP_PKEY_encrypt_init; key_op = EVP_PKEY_encrypt; } else if (t->GetType() == "Derive") { return TestDerive(t, key_map, key); } else { ADD_FAILURE() << "Unknown test " << t->GetType(); return false; } const EVP_MD *digest = nullptr; if (t->HasAttribute("Digest")) { digest = GetDigest(t, t->GetAttributeOrDie("Digest")); if (digest == nullptr) { return false; } } // For verify tests, the "output" is the signature. Read it now so that, for // tests which expect a failure in SetupContext, the attribute is still // consumed. std::vector<uint8_t> input, actual, output; if (!t->GetBytes(&input, "Input") || (is_verify && !t->GetBytes(&output, "Output"))) { return false; } if (md_op_init) { bssl::ScopedEVP_MD_CTX ctx, copy; EVP_PKEY_CTX *pctx; if (!md_op_init(ctx.get(), &pctx, digest, nullptr, key) || !SetupContext(t, key_map, pctx) || !EVP_MD_CTX_copy_ex(copy.get(), ctx.get())) { return false; } if (is_verify) { return EVP_DigestVerify(ctx.get(), output.data(), output.size(), input.data(), input.size()) && EVP_DigestVerify(copy.get(), output.data(), output.size(), input.data(), input.size()); } size_t len; if (!EVP_DigestSign(ctx.get(), nullptr, &len, input.data(), input.size())) { return false; } actual.resize(len); if (!EVP_DigestSign(ctx.get(), actual.data(), &len, input.data(), input.size()) || !t->GetBytes(&output, "Output")) { return false; } actual.resize(len); EXPECT_EQ(Bytes(output), Bytes(actual)); // Repeat the test with |copy|, to check |EVP_MD_CTX_copy_ex| duplicated // everything. if (!EVP_DigestSign(copy.get(), nullptr, &len, input.data(), input.size())) { return false; } actual.resize(len); if (!EVP_DigestSign(copy.get(), actual.data(), &len, input.data(), input.size()) || !t->GetBytes(&output, "Output")) { return false; } actual.resize(len); EXPECT_EQ(Bytes(output), Bytes(actual)); return true; } bssl::UniquePtr<EVP_PKEY_CTX> ctx(EVP_PKEY_CTX_new(key, nullptr)); if (!ctx || !key_op_init(ctx.get()) || (digest != nullptr && !EVP_PKEY_CTX_set_signature_md(ctx.get(), digest)) || !SetupContext(t, key_map, ctx.get())) { return false; } bssl::UniquePtr<EVP_PKEY_CTX> copy(EVP_PKEY_CTX_dup(ctx.get())); if (!copy) { return false; } if (is_verify) { return EVP_PKEY_verify(ctx.get(), output.data(), output.size(), input.data(), input.size()) && EVP_PKEY_verify(copy.get(), output.data(), output.size(), input.data(), input.size()); } for (EVP_PKEY_CTX *pctx : {ctx.get(), copy.get()}) { size_t len; if (!key_op(pctx, nullptr, &len, input.data(), input.size())) { return false; } actual.resize(len); if (!key_op(pctx, actual.data(), &len, input.data(), input.size())) { return false; } if (t->HasAttribute("CheckDecrypt")) { // Encryption is non-deterministic, so we check by decrypting. size_t plaintext_len; bssl::UniquePtr<EVP_PKEY_CTX> decrypt_ctx(EVP_PKEY_CTX_new(key, nullptr)); if (!decrypt_ctx || !EVP_PKEY_decrypt_init(decrypt_ctx.get()) || (digest != nullptr && !EVP_PKEY_CTX_set_signature_md(decrypt_ctx.get(), digest)) || !SetupContext(t, key_map, decrypt_ctx.get()) || !EVP_PKEY_decrypt(decrypt_ctx.get(), nullptr, &plaintext_len, actual.data(), actual.size())) { return false; } output.resize(plaintext_len); if (!EVP_PKEY_decrypt(decrypt_ctx.get(), output.data(), &plaintext_len, actual.data(), actual.size())) { ADD_FAILURE() << "Could not decrypt result."; return false; } output.resize(plaintext_len); EXPECT_EQ(Bytes(input), Bytes(output)) << "Decrypted result mismatch."; } else if (t->HasAttribute("CheckVerify")) { // Some signature schemes are non-deterministic, so we check by verifying. bssl::UniquePtr<EVP_PKEY_CTX> verify_ctx(EVP_PKEY_CTX_new(key, nullptr)); if (!verify_ctx || !EVP_PKEY_verify_init(verify_ctx.get()) || (digest != nullptr && !EVP_PKEY_CTX_set_signature_md(verify_ctx.get(), digest)) || !SetupContext(t, key_map, verify_ctx.get())) { return false; } if (t->HasAttribute("VerifyPSSSaltLength")) { if (!EVP_PKEY_CTX_set_rsa_pss_saltlen( verify_ctx.get(), atoi(t->GetAttributeOrDie("VerifyPSSSaltLength").c_str()))) { return false; } } EXPECT_TRUE(EVP_PKEY_verify(verify_ctx.get(), actual.data(), actual.size(), input.data(), input.size())) << "Could not verify result."; } else { // By default, check by comparing the result against Output. if (!t->GetBytes(&output, "Output")) { return false; } actual.resize(len); EXPECT_EQ(Bytes(output), Bytes(actual)); } } return true; } TEST(EVPTest, TestVectors) { KeyMap key_map; FileTestGTest("crypto/evp/evp_tests.txt", [&](FileTest *t) { bool result = TestEVP(t, &key_map); if (t->HasAttribute("Error")) { ASSERT_FALSE(result) << "Operation unexpectedly succeeded."; uint32_t err = ERR_peek_error(); EXPECT_EQ(t->GetAttributeOrDie("Error"), ERR_reason_error_string(err)); } else if (!result) { ADD_FAILURE() << "Operation unexpectedly failed."; } }); } static void RunWycheproofVerifyTest(const char *path) { SCOPED_TRACE(path); FileTestGTest(path, [](FileTest *t) { t->IgnoreAllUnusedInstructions(); std::vector<uint8_t> der; ASSERT_TRUE(t->GetInstructionBytes(&der, "keyDer")); CBS cbs; CBS_init(&cbs, der.data(), der.size()); bssl::UniquePtr<EVP_PKEY> key(EVP_parse_public_key(&cbs)); ASSERT_TRUE(key); const EVP_MD *md = nullptr; if (t->HasInstruction("sha")) { md = GetWycheproofDigest(t, "sha", true); ASSERT_TRUE(md); } bool is_pss = t->HasInstruction("mgf"); const EVP_MD *mgf1_md = nullptr; int pss_salt_len = -1; if (is_pss) { ASSERT_EQ("MGF1", t->GetInstructionOrDie("mgf")); mgf1_md = GetWycheproofDigest(t, "mgfSha", true); std::string s_len; ASSERT_TRUE(t->GetInstruction(&s_len, "sLen")); pss_salt_len = atoi(s_len.c_str()); } std::vector<uint8_t> msg; ASSERT_TRUE(t->GetBytes(&msg, "msg")); std::vector<uint8_t> sig; ASSERT_TRUE(t->GetBytes(&sig, "sig")); WycheproofResult result; ASSERT_TRUE(GetWycheproofResult(t, &result)); if (EVP_PKEY_id(key.get()) == EVP_PKEY_DSA) { // DSA is deprecated and is not usable via EVP. DSA *dsa = EVP_PKEY_get0_DSA(key.get()); uint8_t digest[EVP_MAX_MD_SIZE]; unsigned digest_len; ASSERT_TRUE( EVP_Digest(msg.data(), msg.size(), digest, &digest_len, md, nullptr)); int valid; bool sig_ok = DSA_check_signature(&valid, digest, digest_len, sig.data(), sig.size(), dsa) && valid; EXPECT_EQ(sig_ok, result.IsValid()); } else { bssl::ScopedEVP_MD_CTX ctx; EVP_PKEY_CTX *pctx; ASSERT_TRUE( EVP_DigestVerifyInit(ctx.get(), &pctx, md, nullptr, key.get())); if (is_pss) { ASSERT_TRUE(EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING)); ASSERT_TRUE(EVP_PKEY_CTX_set_rsa_mgf1_md(pctx, mgf1_md)); ASSERT_TRUE(EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx, pss_salt_len)); } int ret = EVP_DigestVerify(ctx.get(), sig.data(), sig.size(), msg.data(), msg.size()); // BoringSSL does not enforce policies on weak keys and leaves it to the // caller. EXPECT_EQ(ret, result.IsValid({"SmallModulus", "SmallPublicKey", "WeakHash"}) ? 1 : 0); } }); } TEST(EVPTest, WycheproofDSA) { RunWycheproofVerifyTest("third_party/wycheproof_testvectors/dsa_test.txt"); } TEST(EVPTest, WycheproofECDSAP224) { RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp224r1_sha224_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp224r1_sha256_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp224r1_sha512_test.txt"); } TEST(EVPTest, WycheproofECDSAP256) { RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp256r1_sha256_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp256r1_sha512_test.txt"); } TEST(EVPTest, WycheproofECDSAP384) { RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp384r1_sha384_test.txt"); } TEST(EVPTest, WycheproofECDSAP521) { RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp384r1_sha512_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/ecdsa_secp521r1_sha512_test.txt"); } TEST(EVPTest, WycheproofEdDSA) { RunWycheproofVerifyTest("third_party/wycheproof_testvectors/eddsa_test.txt"); } TEST(EVPTest, WycheproofRSAPKCS1) { RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_2048_sha224_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_2048_sha256_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_2048_sha384_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_2048_sha512_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_3072_sha256_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_3072_sha384_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_3072_sha512_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_4096_sha384_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_4096_sha512_test.txt"); // TODO(davidben): Is this file redundant with the tests above? RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_signature_test.txt"); } TEST(EVPTest, WycheproofRSAPKCS1Sign) { FileTestGTest( "third_party/wycheproof_testvectors/rsa_sig_gen_misc_test.txt", [](FileTest *t) { t->IgnoreAllUnusedInstructions(); std::vector<uint8_t> pkcs8; ASSERT_TRUE(t->GetInstructionBytes(&pkcs8, "privateKeyPkcs8")); CBS cbs; CBS_init(&cbs, pkcs8.data(), pkcs8.size()); bssl::UniquePtr<EVP_PKEY> key(EVP_parse_private_key(&cbs)); ASSERT_TRUE(key); const EVP_MD *md = GetWycheproofDigest(t, "sha", true); ASSERT_TRUE(md); std::vector<uint8_t> msg, sig; ASSERT_TRUE(t->GetBytes(&msg, "msg")); ASSERT_TRUE(t->GetBytes(&sig, "sig")); WycheproofResult result; ASSERT_TRUE(GetWycheproofResult(t, &result)); bssl::ScopedEVP_MD_CTX ctx; EVP_PKEY_CTX *pctx; ASSERT_TRUE( EVP_DigestSignInit(ctx.get(), &pctx, md, nullptr, key.get())); std::vector<uint8_t> out(EVP_PKEY_size(key.get())); size_t len = out.size(); int ret = EVP_DigestSign(ctx.get(), out.data(), &len, msg.data(), msg.size()); // BoringSSL does not enforce policies on weak keys and leaves it to the // caller. bool is_valid = result.IsValid({"SmallModulus", "SmallPublicKey", "WeakHash"}); EXPECT_EQ(ret, is_valid ? 1 : 0); if (is_valid) { out.resize(len); EXPECT_EQ(Bytes(sig), Bytes(out)); } }); } TEST(EVPTest, WycheproofRSAPSS) { RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_pss_2048_sha1_mgf1_20_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_pss_2048_sha256_mgf1_0_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/" "rsa_pss_2048_sha256_mgf1_32_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/" "rsa_pss_3072_sha256_mgf1_32_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/" "rsa_pss_4096_sha256_mgf1_32_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/" "rsa_pss_4096_sha512_mgf1_32_test.txt"); RunWycheproofVerifyTest( "third_party/wycheproof_testvectors/rsa_pss_misc_test.txt"); } static void RunWycheproofDecryptTest( const char *path, std::function<void(FileTest *, EVP_PKEY_CTX *)> setup_cb) { FileTestGTest(path, [&](FileTest *t) { t->IgnoreAllUnusedInstructions(); std::vector<uint8_t> pkcs8; ASSERT_TRUE(t->GetInstructionBytes(&pkcs8, "privateKeyPkcs8")); CBS cbs; CBS_init(&cbs, pkcs8.data(), pkcs8.size()); bssl::UniquePtr<EVP_PKEY> key(EVP_parse_private_key(&cbs)); ASSERT_TRUE(key); std::vector<uint8_t> ct, msg; ASSERT_TRUE(t->GetBytes(&ct, "ct")); ASSERT_TRUE(t->GetBytes(&msg, "msg")); WycheproofResult result; ASSERT_TRUE(GetWycheproofResult(t, &result)); bssl::UniquePtr<EVP_PKEY_CTX> ctx(EVP_PKEY_CTX_new(key.get(), nullptr)); ASSERT_TRUE(ctx); ASSERT_TRUE(EVP_PKEY_decrypt_init(ctx.get())); ASSERT_NO_FATAL_FAILURE(setup_cb(t, ctx.get())); std::vector<uint8_t> out(EVP_PKEY_size(key.get())); size_t len = out.size(); int ret = EVP_PKEY_decrypt(ctx.get(), out.data(), &len, ct.data(), ct.size()); // BoringSSL does not enforce policies on weak keys and leaves it to the // caller. bool is_valid = result.IsValid({"SmallModulus"}); EXPECT_EQ(ret, is_valid ? 1 : 0); if (is_valid) { out.resize(len); EXPECT_EQ(Bytes(msg), Bytes(out)); } }); } static void RunWycheproofOAEPTest(const char *path) { RunWycheproofDecryptTest(path, [](FileTest *t, EVP_PKEY_CTX *ctx) { const EVP_MD *md = GetWycheproofDigest(t, "sha", true); ASSERT_TRUE(md); const EVP_MD *mgf1_md = GetWycheproofDigest(t, "mgfSha", true); ASSERT_TRUE(mgf1_md); std::vector<uint8_t> label; ASSERT_TRUE(t->GetBytes(&label, "label")); ASSERT_TRUE(EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_OAEP_PADDING)); ASSERT_TRUE(EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md)); ASSERT_TRUE(EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, mgf1_md)); bssl::UniquePtr<uint8_t> label_copy( static_cast<uint8_t *>(OPENSSL_memdup(label.data(), label.size()))); ASSERT_TRUE(label_copy || label.empty()); ASSERT_TRUE( EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, label_copy.get(), label.size())); // |EVP_PKEY_CTX_set0_rsa_oaep_label| takes ownership on success. label_copy.release(); }); } TEST(EVPTest, WycheproofRSAOAEP2048) { RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha1_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha224_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha224_mgf1sha224_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha256_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha256_mgf1sha256_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha384_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha384_mgf1sha384_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha512_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_2048_sha512_mgf1sha512_test.txt"); } TEST(EVPTest, WycheproofRSAOAEP3072) { RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_3072_sha256_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_3072_sha256_mgf1sha256_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_3072_sha512_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_3072_sha512_mgf1sha512_test.txt"); } TEST(EVPTest, WycheproofRSAOAEP4096) { RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_4096_sha256_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_4096_sha256_mgf1sha256_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_4096_sha512_mgf1sha1_test.txt"); RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/" "rsa_oaep_4096_sha512_mgf1sha512_test.txt"); } TEST(EVPTest, WycheproofRSAOAEPMisc) { RunWycheproofOAEPTest( "third_party/wycheproof_testvectors/rsa_oaep_misc_test.txt"); } static void RunWycheproofPKCS1DecryptTest(const char *path) { RunWycheproofDecryptTest(path, [](FileTest *t, EVP_PKEY_CTX *ctx) { // No setup needed. PKCS#1 is, sadly, the default. }); } TEST(EVPTest, WycheproofRSAPKCS1Decrypt) { RunWycheproofPKCS1DecryptTest( "third_party/wycheproof_testvectors/rsa_pkcs1_2048_test.txt"); RunWycheproofPKCS1DecryptTest( "third_party/wycheproof_testvectors/rsa_pkcs1_3072_test.txt"); RunWycheproofPKCS1DecryptTest( "third_party/wycheproof_testvectors/rsa_pkcs1_4096_test.txt"); }