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started new unlock workflow using user-specific private key

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This commit is contained in:
Sebastian Stenzel
2023-05-09 17:09:49 +02:00
parent d23bd2865a
commit 59f5c0cb12
10 changed files with 226 additions and 41 deletions
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src/test/java/org/cryptomator/ui/keyloading/hub/JWEHelperTest.java
+45 -8
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@@ -3,7 +3,9 @@ package org.cryptomator.ui.keyloading.hub;
import com.nimbusds.jose.JWEObject;
import org.cryptomator.cryptolib.api.MasterkeyLoadingFailedException;
import org.cryptomator.cryptolib.common.P384KeyPair;
import org.cryptomator.cryptolib.shaded.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
@@ -17,16 +19,51 @@ import java.util.Base64;
public class JWEHelperTest {
private static final String JWE = "eyJhbGciOiJFQ0RILUVTIiwiZW5jIjoiQTI1NkdDTSIsImVwayI6eyJrdHkiOiJFQyIsImNydiI6IlAtMzg0Iiwia2V5X29wcyI6W10sImV4dCI6dHJ1ZSwieCI6IllUcEY3bGtTc3JvZVVUVFdCb21LNzBTN0FhVTJyc0ptMURpZ1ZzbjRMY2F5eUxFNFBabldkYmFVcE9jQVV5a1ciLCJ5IjoiLU5pS3loUktjSk52Nm02Z0ZJUWc4cy1Xd1VXUW9uT3A5dkQ4cHpoa2tUU3U2RzFlU2FUTVlhZGltQ2Q4V0ExMSJ9LCJhcHUiOiIiLCJhcHYiOiIifQ..BECWGzd9UvhHcTJC.znt4TlS-qiNEjxiu2v-du_E1QOBnyBR6LCt865SHxD-kwRc1JwX_Lq9XVoFj2GnK9-9CgxhCLGurg5Jt9g38qv2brGAzWL7eSVeY1fIqdO_kUhLpGslRTN6h2U0NHJi2-iE.WDVI2kOk9Dy3PWHyIg8gKA";
// key pairs from frontend tests (crypto.spec.ts):
private static final String USER_PRIV_KEY = "MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDDCi4K1Ts3DgTz/ufkLX7EGMHjGpJv+WJmFgyzLwwaDFSfLpDw0Kgf3FKK+LAsV8r+hZANiAARLOtFebIjxVYUmDV09Q1sVxz2Nm+NkR8fu6UojVSRcCW13tEZatx8XGrIY9zC7oBCEdRqDc68PMSvS5RA0Pg9cdBNc/kgMZ1iEmEv5YsqOcaNADDSs0bLlXb35pX7Kx5Y=";
private static final String USER_PUB_KEY = "MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAESzrRXmyI8VWFJg1dPUNbFcc9jZvjZEfH7ulKI1UkXAltd7RGWrcfFxqyGPcwu6AQhHUag3OvDzEr0uUQND4PXHQTXP5IDGdYhJhL+WLKjnGjQAw0rNGy5V29+aV+yseW";
private static final String DEVICE_PRIV_KEY = "MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDB2bmFCWy2p+EbAn8NWS5Om+GA7c5LHhRZb8g2pSMSf0fsd7k7dZDVrnyHFiLdd/YGhZANiAAR6bsjTEdXKWIuu1Bvj6Y8wySlIROy7YpmVZTY128ItovCD8pcR4PnFljvAIb2MshCdr1alX4g6cgDOqcTeREiObcSfucOU9Ry1pJ/GnX6KA0eSljrk6rxjSDos8aiZ6Mg=";
private static final String DEVICE_PUB_KEY = "MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEem7I0xHVyliLrtQb4+mPMMkpSETsu2KZlWU2NdvCLaLwg/KXEeD5xZY7wCG9jLIQna9WpV+IOnIAzqnE3kRIjm3En7nDlPUctaSfxp1+igNHkpY65Oq8Y0g6LPGomejI";
// used for JWE generation in frontend: (jwe.spec.ts):
private static final String PRIV_KEY = "ME8CAQAwEAYHKoZIzj0CAQYFK4EEACIEODA2AgEBBDEA6QybmBitf94veD5aCLr7nlkF5EZpaXHCfq1AXm57AKQyGOjTDAF9EQB28fMywTDQ";
private static final String PUB_KEY = "MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAERxQR+NRN6Wga01370uBBzr2NHDbKIC56tPUEq2HX64RhITGhii8Zzbkb1HnRmdF0aq6uqmUy4jUhuxnKxsv59A6JeK7Unn+mpmm3pQAygjoGc9wrvoH4HWJSQYUlsXDu";
@Test
public void testDecrypt() throws ParseException, InvalidKeySpecException {
var jwe = JWEObject.parse(JWE);
var keyPair = P384KeyPair.create(new X509EncodedKeySpec(Base64.getDecoder().decode(PUB_KEY)), new PKCS8EncodedKeySpec(Base64.getDecoder().decode(PRIV_KEY)));
@DisplayName("decryptUserKey")
public void testDecryptUserKey() throws ParseException, InvalidKeySpecException {
var jwe = JWEObject.parse("""
eyJhbGciOiJFQ0RILUVTIiwiZW5jIjoiQTI1NkdDTSIsImVwayI6eyJrZXlfb3BzIjpbXSwiZXh0Ijp\
0cnVlLCJrdHkiOiJFQyIsIngiOiJoeHpiSWh6SUJza3A5ZkZFUmJSQ2RfOU1fbWYxNElqaDZhcnNoVX\
NkcEEyWno5ejZZNUs4NHpZR2I4b2FHemNUIiwieSI6ImJrMGRaNWhpelZ0TF9hN2hNejBjTUduNjhIR\
jZFdWlyNHdlclNkTFV5QWd2NWUzVzNYSG5sdHJ2VlRyU3pzUWYiLCJjcnYiOiJQLTM4NCJ9LCJhcHUi\
OiIiLCJhcHYiOiIifQ..pu3Q1nR_yvgRAapG.4zW0xm0JPxbcvZ66R-Mn3k841lHelDQfaUvsZZAtWs\
L2w4FMi6H_uu6ArAWYLtNREa_zfcPuyuJsFferYPSNRUWt4OW6aWs-l_wfo7G1ceEVxztQXzQiwD30U\
TA8OOdPcUuFfEq2-d9217jezrcyO6m6FjyssEZIrnRArUPWKzGdghXccGkkf0LTZcGJoHeKal-RtyP8\
PfvEAWTjSOCpBlSdUJ-1JL3tyd97uVFNaVuH3i7vvcMoUP_bdr0XW3rvRgaeC6X4daPLUvR1hK5Msut\
QMtM2vpFghS_zZxIQRqz3B2ECxa9Bjxhmn8kLX5heZ8fq3lH-bmJp1DxzZ4V1RkWk.yVwXG9yARa5Ih\
q2koh2NbQ""");
var deviceKeyPair = P384KeyPair.create(new X509EncodedKeySpec(Base64.getDecoder().decode(DEVICE_PUB_KEY)), new PKCS8EncodedKeySpec(Base64.getDecoder().decode(DEVICE_PRIV_KEY)));
var masterkey = JWEHelper.decrypt(jwe, keyPair.getPrivate());
var userKey = JWEHelper.decryptUserKey(jwe, deviceKeyPair.getPrivate());
Assertions.assertArrayEquals(Base64.getDecoder().decode(USER_PRIV_KEY), userKey.getEncoded());
}
@Test
@DisplayName("decryptVaultKey")
public void testDecryptVaultKey() throws ParseException, InvalidKeySpecException {
var jwe = JWEObject.parse("""
eyJhbGciOiJFQ0RILUVTIiwiZW5jIjoiQTI1NkdDTSIsImVwayI6eyJrdHkiOiJFQyIsImNydiI6IlA\
tMzg0Iiwia2V5X29wcyI6W10sImV4dCI6dHJ1ZSwieCI6IllUcEY3bGtTc3JvZVVUVFdCb21LNzBTN0\
FhVTJyc0ptMURpZ1ZzbjRMY2F5eUxFNFBabldkYmFVcE9jQVV5a1ciLCJ5IjoiLU5pS3loUktjSk52N\
m02Z0ZJUWc4cy1Xd1VXUW9uT3A5dkQ4cHpoa2tUU3U2RzFlU2FUTVlhZGltQ2Q4V0ExMSJ9LCJhcHUi\
OiIiLCJhcHYiOiIifQ..BECWGzd9UvhHcTJC.znt4TlS-qiNEjxiu2v-du_E1QOBnyBR6LCt865SHxD\
-kwRc1JwX_Lq9XVoFj2GnK9-9CgxhCLGurg5Jt9g38qv2brGAzWL7eSVeY1fIqdO_kUhLpGslRTN6h2\
U0NHJi2-iE.WDVI2kOk9Dy3PWHyIg8gKA""");
var privateKey = P384KeyPair.create(new X509EncodedKeySpec(Base64.getDecoder().decode(PUB_KEY)), new PKCS8EncodedKeySpec(Base64.getDecoder().decode(PRIV_KEY))).getPrivate();
var masterkey = JWEHelper.decryptVaultKey(jwe, privateKey);
var expectedEncKey = new byte[32];
var expectedMacKey = new byte[32];
@@ -44,12 +81,12 @@ public class JWEHelperTest {
"eyJhbGciOiJFQ0RILUVTIiwiZW5jIjoiQTI1NkdDTSIsImVwayI6eyJrdHkiOiJFQyIsImNydiI6IlAtMzg0Iiwia2V5X29wcyI6W10sImV4dCI6dHJ1ZSwieCI6IkJyYm9UQkl5Y0NDUEdJQlBUekU2RjBnbTRzRjRCamZPN1I0a2x0aWlCaThKZkxxcVdXNVdUSVBLN01yMXV5QVUiLCJ5IjoiNUpGVUI0WVJiYjM2RUZpN2Y0TUxMcFFyZXd2UV9Tc3dKNHRVbFd1a2c1ZU04X1ZyM2pkeml2QXI2WThRczVYbSJ9LCJhcHUiOiIiLCJhcHYiOiIifQ..QEq4Z2m6iwBx2ioS.IBo8TbKJTS4pug.61Z-agIIXgP8bX10O_yEMA", // json payload field "key" not a string
"eyJhbGciOiJFQ0RILUVTIiwiZW5jIjoiQTI1NkdDTSIsImVwayI6eyJrdHkiOiJFQyIsImNydiI6IlAtMzg0Iiwia2V5X29wcyI6W10sImV4dCI6dHJ1ZSwieCI6ImNZdlVFZm9LYkJjenZySE5zQjUxOGpycUxPMGJDOW5lZjR4NzFFMUQ5dk95MXRqd1piZzV3cFI0OE5nU1RQdHgiLCJ5IjoiaWRJekhCWERzSzR2NTZEeU9yczJOcDZsSG1zb29fMXV0VTlzX3JNdVVkbkxuVXIzUXdLZkhYMWdaVXREM1RKayJ9LCJhcHUiOiIiLCJhcHYiOiIifQ..0VZqu5ei9U3blGtq.eDvhU6drw7mIwvXu6Q.f05QnhI7JWG3IYHvexwdFQ" // json payload field "key" invalid base64 data
})
public void testDecryptInvalid(String malformed) throws ParseException, InvalidKeySpecException {
public void testDecryptInvalidVaultKey(String malformed) throws ParseException, InvalidKeySpecException {
var jwe = JWEObject.parse(malformed);
var keyPair = P384KeyPair.create(new X509EncodedKeySpec(Base64.getDecoder().decode(PUB_KEY)), new PKCS8EncodedKeySpec(Base64.getDecoder().decode(PRIV_KEY)));
var privateKey = P384KeyPair.create(new X509EncodedKeySpec(Base64.getDecoder().decode(PUB_KEY)), new PKCS8EncodedKeySpec(Base64.getDecoder().decode(PRIV_KEY))).getPrivate();
Assertions.assertThrows(MasterkeyLoadingFailedException.class, () -> {
JWEHelper.decrypt(jwe, keyPair.getPrivate());
JWEHelper.decryptVaultKey(jwe, privateKey);
});
}