blob: 8a779c8fef72d50b50707b951c763466583eb3d0 [file] [log] [blame]
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include <array>
#include <string_view>
#include "base/base64url.h"
#include "base/containers/span.h"
#include "components/webcrypto/algorithm_dispatch.h"
#include "components/webcrypto/algorithms/test_helpers.h"
#include "components/webcrypto/jwk.h"
#include "components/webcrypto/status.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_crypto_algorithm_params.h"
#include "third_party/blink/public/platform/web_crypto_key_algorithm.h"
namespace webcrypto {
namespace {
// Creates an RSA-OAEP algorithm
blink::WebCryptoAlgorithm CreateRsaOaepAlgorithm(
const std::vector<uint8_t>& label) {
return blink::WebCryptoAlgorithm::AdoptParamsAndCreate(
blink::kWebCryptoAlgorithmIdRsaOaep,
new blink::WebCryptoRsaOaepParams(!label.empty(), label));
}
std::string Base64EncodeUrlSafe(const std::vector<uint8_t>& input) {
// The JSON web signature spec says that padding is omitted.
// https://tools.ietf.org/html/draft-ietf-jose-json-web-signature-36#section-2
std::string base64url_encoded;
base::Base64UrlEncode(
std::string_view(reinterpret_cast<const char*>(input.data()),
input.size()),
base::Base64UrlEncodePolicy::OMIT_PADDING, &base64url_encoded);
return base64url_encoded;
}
base::Value::Dict CreatePublicKeyJwkDict(
base::flat_map<std::string, std::string> extra_properties) {
base::Value::Dict jwk;
jwk.Set("kty", "RSA");
jwk.Set("n", Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyModulusHex)));
jwk.Set("e", Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyExponentHex)));
for (const auto& prop : extra_properties) {
jwk.Set(prop.first, prop.second);
}
return jwk;
}
class WebCryptoRsaOaepTest : public WebCryptoTestBase {};
// Import a PKCS#8 private key that uses RSAPrivateKey with the
// id-rsaEncryption OID.
TEST_F(WebCryptoRsaOaepTest, ImportPkcs8WithRsaEncryption) {
blink::WebCryptoKey private_key;
ASSERT_EQ(Status::Success(),
ImportKey(blink::kWebCryptoKeyFormatPkcs8,
HexStringToBytes(kPrivateKeyPkcs8DerHex),
CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep,
blink::kWebCryptoAlgorithmIdSha1),
true, blink::kWebCryptoKeyUsageDecrypt, &private_key));
}
TEST_F(WebCryptoRsaOaepTest, ImportPublicJwkWithNoAlg) {
blink::WebCryptoKey public_key;
ASSERT_EQ(
Status::Success(),
ImportKeyJwkFromDict(
CreatePublicKeyJwkDict({}),
CreateRsaHashedImportAlgorithm(blink::kWebCryptoAlgorithmIdRsaOaep,
blink::kWebCryptoAlgorithmIdSha1),
true, blink::kWebCryptoKeyUsageEncrypt, &public_key));
}
TEST_F(WebCryptoRsaOaepTest, ImportPublicJwkWithMatchingAlg) {
blink::WebCryptoKey public_key;
ASSERT_EQ(
Status::Success(),
ImportKeyJwkFromDict(
CreatePublicKeyJwkDict({{"alg", "RSA-OAEP"}}),
CreateRsaHashedImportAlgorithm(blink::kWebCryptoAlgorithmIdRsaOaep,
blink::kWebCryptoAlgorithmIdSha1),
true, blink::kWebCryptoKeyUsageEncrypt, &public_key));
}
TEST_F(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedAlgFails) {
blink::WebCryptoKey public_key;
ASSERT_EQ(
Status::ErrorJwkAlgorithmInconsistent(),
ImportKeyJwkFromDict(
CreatePublicKeyJwkDict({{"alg", "RSA-OAEP-512"}}),
CreateRsaHashedImportAlgorithm(blink::kWebCryptoAlgorithmIdRsaOaep,
blink::kWebCryptoAlgorithmIdSha1),
true, blink::kWebCryptoKeyUsageEncrypt, &public_key));
}
TEST_F(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedTypeFails) {
blink::WebCryptoKey public_key;
ASSERT_EQ(
Status::ErrorJwkUnexpectedKty("RSA"),
ImportKeyJwkFromDict(
CreatePublicKeyJwkDict({{"kty", "oct"}, {"alg", "RSA-OAEP"}}),
CreateRsaHashedImportAlgorithm(blink::kWebCryptoAlgorithmIdRsaOaep,
blink::kWebCryptoAlgorithmIdSha1),
true, blink::kWebCryptoKeyUsageEncrypt, &public_key));
}
TEST_F(WebCryptoRsaOaepTest, ExportPublicJwk) {
struct TestData {
blink::WebCryptoAlgorithmId hash_alg;
const char* expected_jwk_alg;
} kTestData[] = {{blink::kWebCryptoAlgorithmIdSha1, "RSA-OAEP"},
{blink::kWebCryptoAlgorithmIdSha256, "RSA-OAEP-256"},
{blink::kWebCryptoAlgorithmIdSha384, "RSA-OAEP-384"},
{blink::kWebCryptoAlgorithmIdSha512, "RSA-OAEP-512"}};
for (const auto& test_data : kTestData) {
SCOPED_TRACE(test_data.expected_jwk_alg);
// Import the key in a known-good format
blink::WebCryptoKey public_key;
ASSERT_EQ(Status::Success(),
ImportKeyJwkFromDict(
CreatePublicKeyJwkDict({{"alg", test_data.expected_jwk_alg}}),
CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep, test_data.hash_alg),
true, blink::kWebCryptoKeyUsageEncrypt, &public_key));
// Now export the key as JWK and verify its contents
std::vector<uint8_t> jwk_data;
ASSERT_EQ(Status::Success(),
ExportKey(blink::kWebCryptoKeyFormatJwk, public_key, &jwk_data));
EXPECT_TRUE(VerifyPublicJwk(jwk_data, test_data.expected_jwk_alg,
kPublicKeyModulusHex, kPublicKeyExponentHex,
blink::kWebCryptoKeyUsageEncrypt));
}
}
struct RsaOaepKnownAnswer {
const char* pubkey;
const char* privkey;
blink::WebCryptoAlgorithmId hash;
const char* label;
const char* ciphertext;
const char* plaintext;
};
constexpr auto kRsaOaepKnownAnswers = std::to_array<RsaOaepKnownAnswer>({
// Tests for RSA-OAEP Encrypt/Decrypt without a label (the empty string).
{"30819f300d06092a864886f70d010101050003818d0030818902818100a56e4a0e7010175"
"89a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283"
"a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c"
"0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f2"
"0d0ce8cffb2249bd9a21370203010001",
"30820275020100300d06092a864886f70d01010105000482025f3082025b0201000281810"
"0a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056"
"ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8"
"b6df5d671ef6377c0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b"
"6f64c4ef22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d4f545"
"1ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c568c8f97853ad07c02"
"66c8c6a3ca0929f1e8f11231884429fc4d9ae55fee896a10ce707c3ed7e734e44727a3957"
"4501a532683109c2abacaba283c31b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6"
"dcee883547c6a3b325024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8"
"6296b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b3b6dcd3eda"
"8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde123fd2700180aa90479b6e48d"
"e8d67ed24f9f19d85ba275874f542cd20dc723e6963364a1f9425452b269a6799fd024028"
"fa13938655be1f8a159cbaca5a72ea190c30089e19cd274a556f36c4f6e19f554b34c0777"
"90427bbdd8dd3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa7120"
"49898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd48be455eaeb6e16"
"78255827580a8e4e8e14151d1510a82a3f2e729024027156aba4126d24a81f3a528cbfb27"
"f56886f840a9f6e86e17a44b94fe9319584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb219"
"0acf832b847f13a3d24a79f4d",
blink::kWebCryptoAlgorithmIdSha1, "",
"443FA1354F1DBC5C007A019CACCF18A3E6F986D7513D787F13DED463239F1833D6E33BFA8"
"AF034C198B0D903F202F543FEF38FAF54018EB7794B4FE638CA4D87C564B845C0695D7E70"
"C5D4464BEFF05225E747A6CA096A5E5E634002836D3CCE35713F082B20DCE7BB51324E4C8"
"9E202E3568E9F403ED864DE751BBE63E09680",
"666F6F64"},
{"30819f300d06092a864886f70d010101050003818d0030818902818100a56e4a0e7010175"
"89a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283"
"a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c"
"0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f2"
"0d0ce8cffb2249bd9a21370203010001",
"30820275020100300d06092a864886f70d01010105000482025f3082025b0201000281810"
"0a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056"
"ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8"
"b6df5d671ef6377c0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b"
"6f64c4ef22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d4f545"
"1ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c568c8f97853ad07c02"
"66c8c6a3ca0929f1e8f11231884429fc4d9ae55fee896a10ce707c3ed7e734e44727a3957"
"4501a532683109c2abacaba283c31b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6"
"dcee883547c6a3b325024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8"
"6296b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b3b6dcd3eda"
"8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde123fd2700180aa90479b6e48d"
"e8d67ed24f9f19d85ba275874f542cd20dc723e6963364a1f9425452b269a6799fd024028"
"fa13938655be1f8a159cbaca5a72ea190c30089e19cd274a556f36c4f6e19f554b34c0777"
"90427bbdd8dd3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa7120"
"49898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd48be455eaeb6e16"
"78255827580a8e4e8e14151d1510a82a3f2e729024027156aba4126d24a81f3a528cbfb27"
"f56886f840a9f6e86e17a44b94fe9319584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb219"
"0acf832b847f13a3d24a79f4d",
blink::kWebCryptoAlgorithmIdSha256, "",
"4EBEBCA7297864FDEA44B3BF0E4D5AC26A8478E63642CED06182597DF247EC9883E72DFDC"
"4507EE5058C52F6B929FBC34CE1FCF7C4A914D5B0C5C94638BDB0C70618E3F4FE79D29158"
"5DFD3197C4C16B57213337D12E59FC7A38617A1BE3DD2B09DA518E568712D2E6523F079C1"
"6EFCE540CAA829C5E39D62D64902A4E9D0BB3",
"666F6F64"},
{"30819f300d06092a864886f70d010101050003818d0030818902818100a56e4a0e7010175"
"89a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283"
"a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c"
"0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f2"
"0d0ce8cffb2249bd9a21370203010001",
"30820275020100300d06092a864886f70d01010105000482025f3082025b0201000281810"
"0a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056"
"ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8"
"b6df5d671ef6377c0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b"
"6f64c4ef22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d4f545"
"1ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c568c8f97853ad07c02"
"66c8c6a3ca0929f1e8f11231884429fc4d9ae55fee896a10ce707c3ed7e734e44727a3957"
"4501a532683109c2abacaba283c31b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6"
"dcee883547c6a3b325024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8"
"6296b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b3b6dcd3eda"
"8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde123fd2700180aa90479b6e48d"
"e8d67ed24f9f19d85ba275874f542cd20dc723e6963364a1f9425452b269a6799fd024028"
"fa13938655be1f8a159cbaca5a72ea190c30089e19cd274a556f36c4f6e19f554b34c0777"
"90427bbdd8dd3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa7120"
"49898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd48be455eaeb6e16"
"78255827580a8e4e8e14151d1510a82a3f2e729024027156aba4126d24a81f3a528cbfb27"
"f56886f840a9f6e86e17a44b94fe9319584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb219"
"0acf832b847f13a3d24a79f4d",
blink::kWebCryptoAlgorithmIdSha384, "",
"67B83119BA513947000F3D7F144408FCBD6B22F93C01671C1E40607972BB991716EAA79B9"
"6FF8DEF95D8E673697E279096D035BA9ED79B9FCAC933A26FB003941CC8E8749511CEDFFA"
"CA653769AB5209E414B80D30A0DC44BE72E49A7FE732819C0DA4142FA0810FFF19E56EFB1"
"4EAA5649398E4C7D920B254CAE54F8019B25A",
"666F6F64"},
// Tests for RSA-OAEP with an optional label specified.
{"30819f300d06092a864886f70d010101050003818d0030818902818100a56e4a0e7010175"
"89a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283"
"a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c"
"0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f2"
"0d0ce8cffb2249bd9a21370203010001",
"30820275020100300d06092a864886f70d01010105000482025f3082025b0201000281810"
"0a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056"
"ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8"
"b6df5d671ef6377c0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b"
"6f64c4ef22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d4f545"
"1ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c568c8f97853ad07c02"
"66c8c6a3ca0929f1e8f11231884429fc4d9ae55fee896a10ce707c3ed7e734e44727a3957"
"4501a532683109c2abacaba283c31b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6"
"dcee883547c6a3b325024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8"
"6296b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b3b6dcd3eda"
"8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde123fd2700180aa90479b6e48d"
"e8d67ed24f9f19d85ba275874f542cd20dc723e6963364a1f9425452b269a6799fd024028"
"fa13938655be1f8a159cbaca5a72ea190c30089e19cd274a556f36c4f6e19f554b34c0777"
"90427bbdd8dd3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa7120"
"49898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd48be455eaeb6e16"
"78255827580a8e4e8e14151d1510a82a3f2e729024027156aba4126d24a81f3a528cbfb27"
"f56886f840a9f6e86e17a44b94fe9319584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb219"
"0acf832b847f13a3d24a79f4d",
blink::kWebCryptoAlgorithmIdSha1, "66656564206D65207365796D6F7572",
"A27427C7CB3CD5B7D3C432B3F4BE98577B1FFBF302EDEFF0B219CABAB3E42DF7E8E24F9A8"
"9B387D314B199219F91B7F2CDE8E8D6F461A9495C3B5A398E0F670919EF62CCFF96CCF0FC"
"AF178E5D898C332AAD342F4C42B3209B10CE04B0D004A3ED2514A707D617A321206C22508"
"4C1446BF17208C6D278B0EA3F5968D1D44590",
"666F6F64"},
{"30819f300d06092a864886f70d010101050003818d0030818902818100a56e4a0e7010175"
"89a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283"
"a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c"
"0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f2"
"0d0ce8cffb2249bd9a21370203010001",
"30820275020100300d06092a864886f70d01010105000482025f3082025b0201000281810"
"0a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056"
"ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8"
"b6df5d671ef6377c0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b"
"6f64c4ef22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d4f545"
"1ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c568c8f97853ad07c02"
"66c8c6a3ca0929f1e8f11231884429fc4d9ae55fee896a10ce707c3ed7e734e44727a3957"
"4501a532683109c2abacaba283c31b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6"
"dcee883547c6a3b325024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8"
"6296b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b3b6dcd3eda"
"8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde123fd2700180aa90479b6e48d"
"e8d67ed24f9f19d85ba275874f542cd20dc723e6963364a1f9425452b269a6799fd024028"
"fa13938655be1f8a159cbaca5a72ea190c30089e19cd274a556f36c4f6e19f554b34c0777"
"90427bbdd8dd3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa7120"
"49898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd48be455eaeb6e16"
"78255827580a8e4e8e14151d1510a82a3f2e729024027156aba4126d24a81f3a528cbfb27"
"f56886f840a9f6e86e17a44b94fe9319584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb219"
"0acf832b847f13a3d24a79f4d",
blink::kWebCryptoAlgorithmIdSha256, "66656564206D65207365796D6F7572",
"333777A27C14C6186D2E90024507D7BD01D2A23FD462E9DBA6E9E96759A7025F29ABAA40D"
"F6B3355648AE8FD90CD08D9D92529CAD337A6BED806D19B998E472EC0704205A6B83BDB4D"
"4F5DB03FFE8BC68B44CA7F723A032161BD5B6D4517D58FAD8F1859676BC15A3BE9D20D78B"
"11D73F79B23372CF4793F6301F612E820D67A",
"666F6F64"},
{"30819f300d06092a864886f70d010101050003818d0030818902818100a56e4a0e7010175"
"89a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283"
"a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c"
"0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f2"
"0d0ce8cffb2249bd9a21370203010001",
"30820275020100300d06092a864886f70d01010105000482025f3082025b0201000281810"
"0a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056"
"ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8"
"b6df5d671ef6377c0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b"
"6f64c4ef22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d4f545"
"1ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c568c8f97853ad07c02"
"66c8c6a3ca0929f1e8f11231884429fc4d9ae55fee896a10ce707c3ed7e734e44727a3957"
"4501a532683109c2abacaba283c31b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6"
"dcee883547c6a3b325024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8"
"6296b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b3b6dcd3eda"
"8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde123fd2700180aa90479b6e48d"
"e8d67ed24f9f19d85ba275874f542cd20dc723e6963364a1f9425452b269a6799fd024028"
"fa13938655be1f8a159cbaca5a72ea190c30089e19cd274a556f36c4f6e19f554b34c0777"
"90427bbdd8dd3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa7120"
"49898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd48be455eaeb6e16"
"78255827580a8e4e8e14151d1510a82a3f2e729024027156aba4126d24a81f3a528cbfb27"
"f56886f840a9f6e86e17a44b94fe9319584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb219"
"0acf832b847f13a3d24a79f4d",
blink::kWebCryptoAlgorithmIdSha384, "66656564206D65207365796D6F7572",
"686D4B27EBD14F4745FB947459DE0D349E53C115F466245268E5C6B8C48FFFDAFB9C77373"
"60D850A6865883ADD516E4AFE71AACE2A73083A4D991293D59199639CF27F6DC0799F7856"
"53C3B1E4213EC277A6FA121F6CD2F81E29F1A35A4604B473983CFEDACB00AA9786E92999D"
"C9FA9AFDBDBB3F0EB3F49B301C5BFE14974BE",
"666F6F64"},
// With RSA-OAEP, an empty message is valid.
{"30819f300d06092a864886f70d010101050003818d0030818902818100a56e4a0e7010175"
"89a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283"
"a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c"
"0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f2"
"0d0ce8cffb2249bd9a21370203010001",
"30820275020100300d06092a864886f70d01010105000482025f3082025b0201000281810"
"0a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad991d8c51056"
"ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfce0b1dfd5cd9508096d5b2b8"
"b6df5d671ef6377c0921cb23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b"
"6f64c4ef22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d4f545"
"1ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c568c8f97853ad07c02"
"66c8c6a3ca0929f1e8f11231884429fc4d9ae55fee896a10ce707c3ed7e734e44727a3957"
"4501a532683109c2abacaba283c31b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6"
"dcee883547c6a3b325024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8"
"6296b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b3b6dcd3eda"
"8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde123fd2700180aa90479b6e48d"
"e8d67ed24f9f19d85ba275874f542cd20dc723e6963364a1f9425452b269a6799fd024028"
"fa13938655be1f8a159cbaca5a72ea190c30089e19cd274a556f36c4f6e19f554b34c0777"
"90427bbdd8dd3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa7120"
"49898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd48be455eaeb6e16"
"78255827580a8e4e8e14151d1510a82a3f2e729024027156aba4126d24a81f3a528cbfb27"
"f56886f840a9f6e86e17a44b94fe9319584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb219"
"0acf832b847f13a3d24a79f4d",
blink::kWebCryptoAlgorithmIdSha1, "",
"5E35C080E4A0EBBB5AC8EE44888A6DB6B8C4D05A6427BE0ECBF245A23BCFC4A4A7D9E5466"
"123511399F5D01A3CF910DD6FEBCA969B23C753A0574163D847E70E7EFBFBBF6CC0154556"
"0D620F00CFA33AE318AF6090B76E4ADC5FE1686165786F8B7E559156E8AF690D6EF050133"
"AB5620FAF91B17CF52FED0B57FAC0924F2CC4",
""},
});
TEST_F(WebCryptoRsaOaepTest, EncryptDecryptKnownAnswerTest) {
for (const auto& test : kRsaOaepKnownAnswers) {
SCOPED_TRACE(&test - &kRsaOaepKnownAnswers[0]);
std::vector<uint8_t> public_key_der = HexStringToBytes(test.pubkey);
std::vector<uint8_t> private_key_der = HexStringToBytes(test.privkey);
std::vector<uint8_t> ciphertext = HexStringToBytes(test.ciphertext);
std::vector<uint8_t> plaintext = HexStringToBytes(test.plaintext);
std::vector<uint8_t> label = HexStringToBytes(test.label);
blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep, test.hash);
blink::WebCryptoKey public_key;
blink::WebCryptoKey private_key;
ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
public_key_der, private_key_der, import_algorithm, false,
blink::kWebCryptoKeyUsageEncrypt, blink::kWebCryptoKeyUsageDecrypt,
&public_key, &private_key));
blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
std::vector<uint8_t> decrypted_data;
ASSERT_EQ(Status::Success(),
Decrypt(op_algorithm, private_key, ciphertext, &decrypted_data));
EXPECT_BYTES_EQ(plaintext, decrypted_data);
std::vector<uint8_t> encrypted_data;
ASSERT_EQ(Status::Success(),
Encrypt(op_algorithm, public_key, plaintext, &encrypted_data));
std::vector<uint8_t> redecrypted_data;
ASSERT_EQ(Status::Success(), Decrypt(op_algorithm, private_key,
encrypted_data, &redecrypted_data));
EXPECT_BYTES_EQ(plaintext, redecrypted_data);
}
}
TEST_F(WebCryptoRsaOaepTest, EncryptWithLargeMessageFails) {
const blink::WebCryptoAlgorithmId kHash = blink::kWebCryptoAlgorithmIdSha1;
const size_t kHashSize = 20;
blink::WebCryptoKey public_key;
ASSERT_EQ(Status::Success(),
ImportKeyJwkFromDict(
CreatePublicKeyJwkDict({}),
CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep, kHash),
true, blink::kWebCryptoKeyUsageEncrypt, &public_key));
// The maximum size of an encrypted message is:
// modulus length
// - 1 (leading octet)
// - hash size (maskedSeed)
// - hash size (lHash portion of maskedDB)
// - 1 (at least one octet for the padding string)
size_t kMaxMessageSize = (kModulusLengthBits / 8) - 2 - (2 * kHashSize);
// The label has no influence on the maximum message size. For simplicity,
// use the empty string.
std::vector<uint8_t> label;
blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
// Test that a message just before the boundary succeeds.
std::vector<uint8_t> large_message;
large_message.resize(kMaxMessageSize - 1, 'A');
std::vector<uint8_t> ciphertext;
ASSERT_EQ(Status::Success(),
Encrypt(op_algorithm, public_key, large_message, &ciphertext));
// Test that a message at the boundary succeeds.
large_message.resize(kMaxMessageSize, 'A');
ciphertext.clear();
ASSERT_EQ(Status::Success(),
Encrypt(op_algorithm, public_key, large_message, &ciphertext));
// Test that a message greater than the largest size fails.
large_message.resize(kMaxMessageSize + 1, 'A');
ciphertext.clear();
ASSERT_EQ(Status::OperationError(),
Encrypt(op_algorithm, public_key, large_message, &ciphertext));
}
// Ensures that if the selected hash algorithm for the RSA-OAEP message is too
// large, then it is rejected, independent of the actual message to be
// encrypted.
// For example, a 1024-bit RSA key is too small to accomodate a message that
// uses OAEP with SHA-512, since it requires 1040 bits to encode
// (2 * hash size + 2 padding bytes).
TEST_F(WebCryptoRsaOaepTest, EncryptWithLargeDigestFails) {
const blink::WebCryptoAlgorithmId kHash = blink::kWebCryptoAlgorithmIdSha512;
blink::WebCryptoKey public_key;
ASSERT_EQ(Status::Success(),
ImportKeyJwkFromDict(
CreatePublicKeyJwkDict({}),
CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep, kHash),
true, blink::kWebCryptoKeyUsageEncrypt, &public_key));
// The label has no influence on the maximum message size. For simplicity,
// use the empty string.
std::vector<uint8_t> label;
blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
std::vector<uint8_t> small_message = {'A'};
std::vector<uint8_t> ciphertext;
// This is an operation error, as the internal consistency checking of the
// algorithm parameters is up to the implementation.
ASSERT_EQ(Status::OperationError(),
Encrypt(op_algorithm, public_key, small_message, &ciphertext));
}
TEST_F(WebCryptoRsaOaepTest, DecryptWithLargeMessageFails) {
blink::WebCryptoKey private_key;
ASSERT_EQ(Status::Success(),
ImportKey(blink::kWebCryptoKeyFormatPkcs8,
HexStringToBytes(kPrivateKeyPkcs8DerHex),
CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep,
blink::kWebCryptoAlgorithmIdSha1),
true, blink::kWebCryptoKeyUsageDecrypt, &private_key));
// The label has no influence on the maximum message size. For simplicity,
// use the empty string.
std::vector<uint8_t> label;
blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
std::vector<uint8_t> large_dummy_message(kModulusLengthBits / 8, 'A');
std::vector<uint8_t> plaintext;
ASSERT_EQ(Status::OperationError(), Decrypt(op_algorithm, private_key,
large_dummy_message, &plaintext));
}
TEST_F(WebCryptoRsaOaepTest, WrapUnwrapRawKey) {
blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep, blink::kWebCryptoAlgorithmIdSha1);
blink::WebCryptoKey public_key;
blink::WebCryptoKey private_key;
ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
HexStringToBytes(kPublicKeySpkiDerHex),
HexStringToBytes(kPrivateKeyPkcs8DerHex), import_algorithm, false,
blink::kWebCryptoKeyUsageEncrypt | blink::kWebCryptoKeyUsageWrapKey,
blink::kWebCryptoKeyUsageDecrypt | blink::kWebCryptoKeyUsageUnwrapKey,
&public_key, &private_key));
std::vector<uint8_t> label;
blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
const std::string key_hex = "000102030405060708090A0B0C0D0E0F";
const blink::WebCryptoAlgorithm key_algorithm =
CreateAlgorithm(blink::kWebCryptoAlgorithmIdAesCbc);
blink::WebCryptoKey key =
ImportSecretKeyFromRaw(HexStringToBytes(key_hex), key_algorithm,
blink::kWebCryptoKeyUsageEncrypt);
ASSERT_FALSE(key.IsNull());
std::vector<uint8_t> wrapped_key;
ASSERT_EQ(Status::Success(),
WrapKey(blink::kWebCryptoKeyFormatRaw, key, public_key,
wrapping_algorithm, &wrapped_key));
// Verify that |wrapped_key| can be decrypted and yields the key data.
// Because |private_key| supports both decrypt and unwrap, this is valid.
std::vector<uint8_t> decrypted_key;
ASSERT_EQ(Status::Success(), Decrypt(wrapping_algorithm, private_key,
wrapped_key, &decrypted_key));
EXPECT_BYTES_EQ_HEX(key_hex, decrypted_key);
// Now attempt to unwrap the key, which should also decrypt the data.
blink::WebCryptoKey unwrapped_key;
ASSERT_EQ(Status::Success(),
UnwrapKey(blink::kWebCryptoKeyFormatRaw, wrapped_key, private_key,
wrapping_algorithm, key_algorithm, true,
blink::kWebCryptoKeyUsageEncrypt, &unwrapped_key));
ASSERT_FALSE(unwrapped_key.IsNull());
std::vector<uint8_t> raw_key;
ASSERT_EQ(Status::Success(),
ExportKey(blink::kWebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
}
TEST_F(WebCryptoRsaOaepTest, WrapUnwrapJwkSymKey) {
// The public and private portions of a 2048-bit RSA key with the
// id-rsaEncryption OID
const char kPublicKey2048SpkiDerHex[] =
"30820122300d06092a864886f70d01010105000382010f003082010a0282010100c5d8ce"
"137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b300c6a6c9764"
"f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448e7183a3a68"
"e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872458d1b1e2f"
"7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34ba17bc5d08"
"a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea9893652d02fc606"
"36f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d733711c89ca"
"749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b557c16615d"
"5d0203010001";
const char kPrivateKey2048Pkcs8DerHex[] =
"308204bd020100300d06092a864886f70d0101010500048204a7308204a3020100028201"
"0100c5d8ce137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b30"
"0c6a6c9764f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448"
"e7183a3a68e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872"
"458d1b1e2f7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34"
"ba17bc5d08a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea98936"
"52d02fc60636f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d7"
"33711c89ca749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b"
"557c16615d5d02030100010282010074b70feb41a0b0fcbc207670400556c9450042ede3"
"d4383fb1ce8f3558a6d4641d26dd4c333fa4db842d2b9cf9d2354d3e16ad027a9f682d8c"
"f4145a1ad97b9edcd8a41c402bd9d8db10f62f43df854cdccbbb2100834f083f53ed6d42"
"b1b729a59072b004a4e945fc027db15e9c121d1251464d320d4774d5732df6b3dbf751f4"
"9b19c9db201e19989c883bbaad5333db47f64f6f7a95b8d4936b10d945aa3f794cfaab62"
"e7d47686129358914f3b8085f03698a650ab5b8c7e45813f2b0515ec05b6e5195b6a7c2a"
"0d36969745f431ded4fd059f6aa361a4649541016d356297362b778e90f077d48815b339"
"ec6f43aba345df93e67fcb6c2cb5b4544e9be902818100e9c90abe5f9f32468c5b6d630c"
"54a4d7d75e29a72cf792f21e242aac78fd7995c42dfd4ae871d2619ff7096cb05baa78e3"
"23ecab338401a8059adf7a0d8be3b21edc9a9c82c5605634a2ec81ec053271721351868a"
"4c2e50c689d7cef94e31ff23658af5843366e2b289c5bf81d72756a7b93487dd8770d69c"
"1f4e089d6d89f302818100d8a58a727c4e209132afd9933b98c89aca862a01cc0be74133"
"bee517909e5c379e526895ac4af11780c1fe91194c777c9670b6423f0f5a32fd7691a622"
"113eef4bed2ef863363a335fd55b0e75088c582437237d7f3ed3f0a643950237bc6e6277"
"ccd0d0a1b4170aa1047aa7ffa7c8c54be10e8c7327ae2e0885663963817f6f02818100e5"
"aed9ba4d71b7502e6748a1ce247ecb7bd10c352d6d9256031cdf3c11a65e44b0b7ca2945"
"134671195af84c6b3bb3d10ebf65ae916f38bd5dbc59a0ad1c69b8beaf57cb3a8335f19b"
"c7117b576987b48331cd9fd3d1a293436b7bb5e1a35c6560de4b5688ea834367cb0997eb"
"b578f59ed4cb724c47dba94d3b484c1876dcd70281807f15bc7d2406007cac2b138a96af"
"2d1e00276b84da593132c253fcb73212732dfd25824c2a615bc3d9b7f2c8d2fa542d3562"
"b0c7738e61eeff580a6056239fb367ea9e5efe73d4f846033602e90c36a78db6fa8ea792"
"0769675ec58e237bd994d189c8045a96f5dd3a4f12547257ce224e3c9af830a4da3c0eab"
"9227a0035ae9028180067caea877e0b23090fc689322b71fbcce63d6596e66ab5fcdbaa0"
"0d49e93aba8effb4518c2da637f209028401a68f344865b4956b032c69acde51d29177ca"
"3db99fdbf5e74848ed4fa7bdfc2ebb60e2aaa5354770a763e1399ab7a2099762d525fea0"
"37f3e1972c45a477e66db95c9609bb27f862700ef93379930786cf751b";
blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
blink::kWebCryptoAlgorithmIdRsaOaep, blink::kWebCryptoAlgorithmIdSha1);
blink::WebCryptoKey public_key;
blink::WebCryptoKey private_key;
ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
HexStringToBytes(kPublicKey2048SpkiDerHex),
HexStringToBytes(kPrivateKey2048Pkcs8DerHex), import_algorithm, false,
blink::kWebCryptoKeyUsageEncrypt | blink::kWebCryptoKeyUsageWrapKey,
blink::kWebCryptoKeyUsageDecrypt | blink::kWebCryptoKeyUsageUnwrapKey,
&public_key, &private_key));
std::vector<uint8_t> label;
blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
const std::string key_hex = "000102030405060708090a0b0c0d0e0f";
const blink::WebCryptoAlgorithm key_algorithm =
CreateAlgorithm(blink::kWebCryptoAlgorithmIdAesCbc);
blink::WebCryptoKey key =
ImportSecretKeyFromRaw(HexStringToBytes(key_hex), key_algorithm,
blink::kWebCryptoKeyUsageEncrypt);
ASSERT_FALSE(key.IsNull());
std::vector<uint8_t> wrapped_key;
ASSERT_EQ(Status::Success(),
WrapKey(blink::kWebCryptoKeyFormatJwk, key, public_key,
wrapping_algorithm, &wrapped_key));
// Verify that |wrapped_key| can be decrypted and yields a valid JWK object.
// Because |private_key| supports both decrypt and unwrap, this is valid.
std::vector<uint8_t> decrypted_jwk;
ASSERT_EQ(Status::Success(), Decrypt(wrapping_algorithm, private_key,
wrapped_key, &decrypted_jwk));
EXPECT_TRUE(VerifySecretJwk(decrypted_jwk, "A128CBC", key_hex,
blink::kWebCryptoKeyUsageEncrypt));
// Now attempt to unwrap the key, which should also decrypt the data.
blink::WebCryptoKey unwrapped_key;
ASSERT_EQ(Status::Success(),
UnwrapKey(blink::kWebCryptoKeyFormatJwk, wrapped_key, private_key,
wrapping_algorithm, key_algorithm, true,
blink::kWebCryptoKeyUsageEncrypt, &unwrapped_key));
ASSERT_FALSE(unwrapped_key.IsNull());
std::vector<uint8_t> raw_key;
ASSERT_EQ(Status::Success(),
ExportKey(blink::kWebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
}
TEST_F(WebCryptoRsaOaepTest, ImportExportJwkRsaPublicKey) {
struct TestCase {
const blink::WebCryptoAlgorithmId hash;
const blink::WebCryptoKeyUsageMask usage;
const char* const jwk_alg;
};
const auto kTests = std::to_array<TestCase>({
{blink::kWebCryptoAlgorithmIdSha1, blink::kWebCryptoKeyUsageEncrypt,
"RSA-OAEP"},
{blink::kWebCryptoAlgorithmIdSha256, blink::kWebCryptoKeyUsageEncrypt,
"RSA-OAEP-256"},
{blink::kWebCryptoAlgorithmIdSha384, blink::kWebCryptoKeyUsageEncrypt,
"RSA-OAEP-384"},
{blink::kWebCryptoAlgorithmIdSha512, blink::kWebCryptoKeyUsageEncrypt,
"RSA-OAEP-512"},
});
for (const auto& test : kTests) {
SCOPED_TRACE(&test - &kTests[0]);
const blink::WebCryptoAlgorithm import_algorithm =
CreateRsaHashedImportAlgorithm(blink::kWebCryptoAlgorithmIdRsaOaep,
test.hash);
// Import the spki to create a public key
blink::WebCryptoKey public_key;
ASSERT_EQ(Status::Success(),
ImportKey(blink::kWebCryptoKeyFormatSpki,
HexStringToBytes(kPublicKeySpkiDerHex),
import_algorithm, true, test.usage, &public_key));
// Export the public key as JWK and verify its contents
std::vector<uint8_t> jwk;
ASSERT_EQ(Status::Success(),
ExportKey(blink::kWebCryptoKeyFormatJwk, public_key, &jwk));
EXPECT_TRUE(VerifyPublicJwk(jwk, test.jwk_alg, kPublicKeyModulusHex,
kPublicKeyExponentHex, test.usage));
// Import the JWK back in to create a new key
blink::WebCryptoKey public_key2;
ASSERT_EQ(Status::Success(),
ImportKey(blink::kWebCryptoKeyFormatJwk, jwk, import_algorithm,
true, test.usage, &public_key2));
ASSERT_TRUE(public_key2.Handle());
EXPECT_EQ(blink::kWebCryptoKeyTypePublic, public_key2.GetType());
EXPECT_TRUE(public_key2.Extractable());
EXPECT_EQ(import_algorithm.Id(), public_key2.Algorithm().Id());
// TODO(eroman): Export the SPKI and verify matches.
}
}
} // namespace
} // namespace webcrypto