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fix: Use different IVs to decrypt the apkam keys #1462

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fix: Use different IVs to decrypt the apkam keys #1462

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7f7b6b1
fix: Use different IVs to decrypt the apkam keys
sitaram-kalluri Dec 30, 2024
c491465
fix: at_client_mobile : Add comments in pubspec.yaml
sitaram-kalluri Dec 30, 2024
526ee0e
Merge branch 'trunk' into use_different_ivs_for_apkam_keys_decryption
gkc Jan 12, 2025
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10 changes: 8 additions & 2 deletions packages/at_client_mobile/lib/src/auth/at_auth_service_impl.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -449,6 +449,7 @@ class AtAuthServiceImpl implements AtAuthService {
var privateKeyCommand =
'keys:get:keyName:$enrollmentIdFromServer.${AtConstants.defaultEncryptionPrivateKey}.__manage$_atSign\n';
String encryptionPrivateKeyFromServer;
String encryptionPrivateKeyIV;
try {
var getPrivateKeyResult =
await _atLookUp?.executeCommand('$privateKeyCommand\n', auth: true);
Expand All @@ -458,13 +459,15 @@ class AtAuthServiceImpl implements AtAuthService {
getPrivateKeyResult = getPrivateKeyResult.replaceFirst('data:', '');
var privateKeyResultJson = jsonDecode(getPrivateKeyResult);
encryptionPrivateKeyFromServer = privateKeyResultJson['value'];
encryptionPrivateKeyIV = privateKeyResultJson['iv'];
} on Exception catch (e) {
throw AtEnrollmentException(
'Exception while getting encrypted private key/self key from server: $e');
}
AtEncryptionResult? atEncryptionResult = atChops.decryptString(
encryptionPrivateKeyFromServer, EncryptionKeyType.aes256,
keyName: 'apkamSymmetricKey', iv: AtChopsUtil.generateIVLegacy());
keyName: 'apkamSymmetricKey',
iv: AtChopsUtil.generateIVFromBase64String(encryptionPrivateKeyIV));
return atEncryptionResult.result;
}

Expand All @@ -476,6 +479,7 @@ class AtAuthServiceImpl implements AtAuthService {
var selfEncryptionKeyCommand =
'keys:get:keyName:$enrollmentIdFromServer.${AtConstants.defaultSelfEncryptionKey}.__manage$_atSign\n';
String selfEncryptionKeyFromServer;
String selfEncryptionKeyIV;
try {
String? encryptedSelfEncryptionKey = await _atLookUp
?.executeCommand('$selfEncryptionKeyCommand\n', auth: true);
Expand All @@ -488,13 +492,15 @@ class AtAuthServiceImpl implements AtAuthService {
encryptedSelfEncryptionKey.replaceFirst('data:', '');
var selfEncryptionKeyResultJson = jsonDecode(encryptedSelfEncryptionKey);
selfEncryptionKeyFromServer = selfEncryptionKeyResultJson['value'];
selfEncryptionKeyIV = selfEncryptionKeyResultJson['iv'];
} on Exception catch (e) {
throw AtEnrollmentException(
'Exception while getting encrypted private key/self key from server: $e');
}
AtEncryptionResult? atEncryptionResult = atChops.decryptString(
selfEncryptionKeyFromServer, EncryptionKeyType.aes256,
keyName: 'apkamSymmetricKey', iv: AtChopsUtil.generateIVLegacy());
keyName: 'apkamSymmetricKey',
iv: AtChopsUtil.generateIVFromBase64String(selfEncryptionKeyIV));
return atEncryptionResult.result;
}

Expand Down
13 changes: 9 additions & 4 deletions packages/at_client_mobile/pubspec.yaml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name: at_client_mobile
description: A Flutter extension to the at_client library which adds support for mobile, desktop and IoT devices.
version: 3.2.19
version: 3.2.20
repository: https://github.com/atsign-foundation/at_client_sdk/packages
homepage: https://docs.atsign.com/

Expand All @@ -16,16 +16,21 @@ dependencies:
biometric_storage: ^5.0.0
hive: ^2.0.4
crypton: ^2.2.1
at_commons: ^5.0.0
at_commons: ^5.1.1
at_utils: ^3.0.19
at_chops: ^2.0.1
at_chops: ^2.2.0
at_lookup: ^3.0.49
at_client: ^3.2.2
at_auth: ^2.0.7
at_auth: ^2.0.10
at_file_saver: ^0.1.2
encrypt: ^5.0.3
at_persistence_secondary_server: ^3.0.64

# The meta package version is upgraded to 1.16.0 in at_commons. But the flutter SDK is pinned to meta : 1.15.0
# To resolve the package dependencies, set version to meta: 1.16.0
dependency_overrides:
meta: ^1.16.0

dev_dependencies:
lints: ^4.0.0
test: ^1.25.2
Expand Down
82 changes: 48 additions & 34 deletions packages/at_client_mobile/test/at_auth_service_test.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -299,36 +299,41 @@ void main() {
registerFallbackValue(FakeAtClientPreference());
registerFallbackValue(FakeAtKey());

String encryptedDefaultEncryptionPrivateKey =
'GPJs9xY/HBG3MSqGAwV+X9BhJGNmWvJ7LnR8Qthnc4lW7DWRIwLKG9uYbfCUSK7HaDDYAy9MEue5VUeh9inwuSnYTaq7CAz0t6Ijf9wOI9q4bBOb8yoAsEXgY3Id5Mg6pkUXUtHYNf7KgpNQJBP4oIDj5+mX6Nse4TTi3+5xrbYg+WscUH8l1MlpO/xHaCvPJhAW0IWc5f3HLpxkhq0qe13b2NzorJuwxnfWbH9qItmrmEv7AOCgSkvcYCfsUZQLHISXqUj4DEFp8GCDiZCReYlN84Omqbv9ydhZIYc5UMuyz3V8+PNf4uK4ClLd3bjKlQNocf814n5Vtj7jIxzr/6spsFSE/Smna23HomucOkt1oHn82MbJbmK3VWKgm+IAd+2iVxPWk7sT1bOaWeAz4AWlxhkN8uMhkcfxRr67flalQS2yQZZ6UZglIYOmz3S5k9xtZsVOf/bpvfzBlzxL6ozNW9pmVYA/aelXJTP43hmM2yvqkBukrMD26bcf6+C30qKJa9IF2/tVDe4lRlrMZ63lJQHq69ZwJOaJwXPkREWutaE0VDLb+Ko5rYdN7WM/sGmlGCShHe/OdIdzj1msXFxBgXyFK3pdOf1rtYrZ2LZdDci8fOSxE/xfJ5a0e5FqOUTpna4FPsYbId8ezp0+urftR7GmOChT3gyZYo9TqM2c1jv8CnnBg/IEjVBO5uc15q1reMt2fdYI7kmnG2K7cPwJx02l1aNSLw4m8dxLfd+R3jNxbpDNRIcHNYyrXa0K1rwXn/J2ZamJHxIH+eRHZCGezCr7imN8XcSMHbHMNfonG+HUmYGdyk4c1OxeyQB0/iq/pZgwwLDRZYrLaN4knbQkOx8oboSlAoxVAzIy5uIEGhYfqEBEx9N1/MBNkvOr2Ely0+Vrslu7gFf41dhhwe3jH4LvUFdGZfnYWAS208wSnTBMi/aKMhBv4gZIe4asQ/OKm/D0jH/6RSP0tNsw57k6tRqfk0X0eaT0jOzAoWHWGTXSTONO7k2qpqZpmXJJ0e83i+9Xfjp/4M4VYufAda/g+jWp7bCq0VgFa+Uf5/C6t2a+3RDC7SI8mz9m4DTlfv5CuQyQkGPSTe11Ksy51QcCF6JTj4Lc6csdG9fx6itMUUUZBvD76ac3MrSdtbZgCn+IBAvawrez67T70kzxwRjNySw9jJEgP81c8Tl0WM5Dy/v3NcoEorLuu4EBZKI01U5qHQuXDkBisnuCIttq4qmUd+q/m6Btpj/toKrzWpTXGtLeswoxQWu+Pkt1LkKAGIcuxiFV7uifxbcMNkxrz/t+Fx+YSLN3XUEAzbEIIcb6KW09EJx35nDA2PPga5diWOTQaw2lrONiO4eNuIKI4MU8gPAa2QUjoxyxxULV3qm7tsN03nxczHKo4QVHjAqwpOJHdPxykxi2qsQJu+RBnEf0uaEga4r8A6jQp1vwV+udrdtBL7e2QeAYsla4RFqWFs+epA/yYBxEn+/cmD3tZKGNH1Of9vYrBhsxfybtqmoZSTG+sQ6e+fbCEYXgmhd9DJTqgPM/yhXUmNBbK0pkECjTX3qkqWHHdA8K1kjaJ+yUkg0eecobG5rYn0xYbbji91wbwEvxbeYLJ24+1BOZRMKvnItqtkoFsKVwD7rM9qKvuT/YrWZRlXCuRUclji+J50q7byhNARYE5soILAbYdYCOEJCWKHSEtrFzbnQWlB8y7outiTdtifTq3JDWOC3pVavko8/xmIT80oe/YX2QhPx281C/Sc3qa5+OYjYFEw2zKqGUn3FvTnToSQTlwo6fO2IbsD9Poq+bET2Ra1WqmJhuY9nZ2MH4t/vtMAPIYwoA36jd2baez88pMNeK7EOJW4sIi3mgthKWhaQ4yW9bPJRn6+IoT6wtecp1/PUXayn6nd+p6UnNUvjbxjiED8o1LRZ+5Lelk4CgDgerb4gGgL5rcrVbk7hCsjyjxcUej80pBLIHjc6e/bQWx4aQzW3pfwgnYm7FD2ATtLgPIcrKjpiQ9BDOsSx1BSLuFVhLGTspVpddDa9eu1O2j+tOwetnRdN8oGR9OUCHdkCDttpca7NTXWCeaCc/Ykbkz+Mue4x0SPDXzVa0vRY6JjYJ1bZzU4I9GFZefIymLMrJPM6yENPmhmiMaJfeDLAVSPYdQV+wRikPOF7vFX/Acoux+CoY';
String encryptedDefaultSelfEncryptionKey =
'LYp38EsUNznPAi+yMTAnHdtyfmIORJF6Ck5oNelgcplm6TiJMRzeBOiJQ4zRI+OB';

String encryptionPublicKey =
'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtEVcUP9FaAYi3uK3YM2z/O0qvidBGkPk34ttDGMrr3891AxK/n6Ejs29VsVW0YeEypFSMxEWvFa9UBhLq9yWBaHU534CxvsKVRN09963wu5F7asBEpbfhBOUrv8Xqa2Je6yavAbWX5QjHbrqXTNCASyfjFrtDrsVNQLK3y3YkxSBxTbAj+EC+wv7pp7dg42Rq3lGLVsh3JwDOFMQNn/fyxeDYgrFmEBpwjfnaCzinPzFkbwSuC+qMu5AiSXf7IlTjb3vrREuWMoM1T2i5MYmvnQHDVasXcPWXNHQ+cg6iC93ZBLy/rqJhGiCyvhLdkMZrKMAUuxrzveQvEq7Pi8zVwIDAQAB';
String encryptionPrivateKey =
'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';
String pkamPrivateKey =
'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';
String pkamPublicKey =
'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiyJOz1nTk+zCyEdJLRJTRHvbwSyFpQujxfSF0utWQddrmrzLiwDij9GQyCSrwWzqKkAtJoCMmw7DkCD42wY0Go+i0d4EtSnL0Ws9ANGgdLnl+VzlfI59aZ54AFLZDnZzFMw8fdid/GJKEpLQZKcjQ1ewEzVEyOvQ5gTqFcBGT+S4vaK9Xn+QbcpwKrrK8zM7epF8Tdh2izxIapgbQmZOx6l0Ghat7ODqjNbEMBA9/eBW4J3Z8Y7I2A9B4K8CcAyGRc/tAOdDne+BY1raonJjJbGLfsxuerR1XfL0QB+rD99ptGvTz87bT5ji76mi4BQcodFd5b8LjMj9PF9HNLMfswIDAQAB';

AtEncryptionKeyPair atEncryptionKeyPair =
AtEncryptionKeyPair.create(encryptionPublicKey, encryptionPrivateKey);
AtPkamKeyPair atPkamKeyPair =
AtPkamKeyPair.create(pkamPublicKey, pkamPrivateKey);
AtChopsUtil.generateAtEncryptionKeyPair();
AtPkamKeyPair atPkamKeyPair = AtChopsUtil.generateAtPkamKeyPair();
AtChopsKeys atChopsKeys =
AtChopsKeys.create(atEncryptionKeyPair, atPkamKeyPair);
atChopsKeys.selfEncryptionKey =
AESKey('x1RB+Lbj9wDzpR23cx3FQiSCekQ1pFRSrNjouyGtrvk=');
AtChopsUtil.generateSymmetricKey(EncryptionKeyType.aes256);
atChopsKeys.apkamSymmetricKey =
AESKey('2KZWscShvALlJabtMDrvnkDUoGIQidicyZvIXDFgMsU=');
AtChopsUtil.generateSymmetricKey(EncryptionKeyType.aes256);

AtChops atChops = AtChopsImpl(atChopsKeys);
AtServiceFactory mockAtServiceFactory = MockAtServiceFactor();
AtClient mockAtClient = MockAtClient();
LocalSecondary mockLocalSecondary = MockLocalSecondary();

InitialisationVector encryptionPrivateKeyIV =
AtChopsUtil.generateRandomIV(16);

String encryptedDefaultEncryptionPrivateKey = atChops
.encryptString(
atChops.atChopsKeys.atEncryptionKeyPair!.atPrivateKey.privateKey,
EncryptionKeyType.aes256,
keyName: 'apkamSymmetricKey',
iv: encryptionPrivateKeyIV)
.result;

InitialisationVector selfEncryptionKeyIV =
AtChopsUtil.generateRandomIV(16);
// Fetch the selfEncryptionKey from the atChops and encrypt with APKAM Symmetric key.
String encryptedDefaultSelfEncryptionKey = atChops
.encryptString(atChops.atChopsKeys.selfEncryptionKey!.key,
EncryptionKeyType.aes256,
keyName: 'apkamSymmetricKey', iv: selfEncryptionKeyIV)
.result;

when(() => mockBiometricStorage.getStorage('${atSign}_enrollmentInfo',
options: any(named: 'options')))
.thenAnswer((_) async => mockBiometricStorageEnrollmentFile);
Expand Down Expand Up @@ -359,9 +364,12 @@ void main() {
await Future.value(jsonEncode(EnrollmentInfo(
'010ad3dc-02ee-41c6-b74b-c82f5122b181',
AtAuthKeys()
..apkamPublicKey = pkamPublicKey
..apkamPrivateKey = pkamPrivateKey
..defaultEncryptionPublicKey = encryptionPublicKey
..apkamPublicKey =
atChopsKeys.atPkamKeyPair?.atPublicKey.publicKey
..apkamPrivateKey =
atChopsKeys.atPkamKeyPair?.atPrivateKey.privateKey
..defaultEncryptionPublicKey =
atChopsKeys.atEncryptionKeyPair?.atPublicKey.publicKey
..apkamSymmetricKey = atChopsKeys.apkamSymmetricKey?.key
..enrollmentId = '010ad3dc-02ee-41c6-b74b-c82f5122b181',
DateTime.now().microsecondsSinceEpoch,
Expand All @@ -381,9 +389,12 @@ void main() {
EnrollmentInfo(
'010ad3dc-02ee-41c6-b74b-c82f5122b181',
AtAuthKeys()
..apkamPublicKey = pkamPublicKey
..apkamPrivateKey = pkamPrivateKey
..defaultEncryptionPublicKey = encryptionPublicKey
..apkamPublicKey =
atChopsKeys.atPkamKeyPair?.atPublicKey.publicKey
..apkamPrivateKey =
atChopsKeys.atPkamKeyPair?.atPrivateKey.privateKey
..defaultEncryptionPublicKey =
atChopsKeys.atEncryptionKeyPair?.atPublicKey.publicKey
..apkamSymmetricKey = atChopsKeys.apkamSymmetricKey?.key
..enrollmentId = '010ad3dc-02ee-41c6-b74b-c82f5122b181',
DateTime.now().microsecondsSinceEpoch,
Expand All @@ -405,18 +416,21 @@ void main() {

// Returns the encrypted defaultEncryptionPrivateKey from the server
when(() => mockAtLookUp.executeCommand(
any(that: contains(AtConstants.defaultEncryptionPrivateKey)),
auth: true)).thenAnswer((invocation) => Future.value(
'data:${jsonEncode({
'value': encryptedDefaultEncryptionPrivateKey
})}'));
any(that: contains(AtConstants.defaultEncryptionPrivateKey)),
auth: true))
.thenAnswer((invocation) => Future.value('data:${jsonEncode({
'value': encryptedDefaultEncryptionPrivateKey,
'iv': base64Encode(encryptionPrivateKeyIV.ivBytes)
})}'));

// Returns the encrypted defaultSelfEncryptionKey from the server
when(() =>
mockAtLookUp.executeCommand(
when(() => mockAtLookUp.executeCommand(
any(that: contains(AtConstants.defaultSelfEncryptionKey)),
auth: true)).thenAnswer((invocation) => Future.value(
'data:${jsonEncode({'value': encryptedDefaultSelfEncryptionKey})}'));
auth: true))
.thenAnswer((invocation) => Future.value('data:${jsonEncode({
'value': encryptedDefaultSelfEncryptionKey,
'iv': base64Encode(selfEncryptionKeyIV.ivBytes)
})}'));

when(() => mockAtServiceFactory.atClient(
any(that: startsWith('@alice')),
Expand Down
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