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Merge pull request #1209 from atsign-foundation/replace_encryption_me…
…thods_with_atchops feat: Replace encryption methods/key generation from EncryptionUtil with AtChops
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119 changes: 119 additions & 0 deletions
119
packages/at_client/test/at_chops_encryption_util_compatibility_test.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| import 'package:at_chops/at_chops.dart'; | ||
| import 'package:at_client/at_client.dart'; | ||
| import 'package:test/test.dart'; | ||
|
|
||
| // Tests to verify whether encryption with EncryptionUtil, decryption with AtChops works and vice versa. | ||
| void main() { | ||
| test( | ||
| 'A test to verify encrypting AES key with encryption util and decryption with at_chops', | ||
| () { | ||
| // Generate RSA key pair. Generate AES key. Encrypt AES key using RSA public key using EncryptionUtil method | ||
| // Decrypt encryptedAESKey using AtChops (uses RSA private key) | ||
| var encryptionKeyPair = AtChopsUtil.generateAtEncryptionKeyPair(); | ||
| var encryptionPublicKey = encryptionKeyPair.atPublicKey.publicKey; | ||
| var aesKey = EncryptionUtil.generateAESKey(); | ||
| var encryptedAesKey = | ||
| EncryptionUtil.encryptKey(aesKey, encryptionPublicKey); | ||
| AtChopsKeys atChopsKeys = AtChopsKeys.create(encryptionKeyPair, null); | ||
| var atChops = AtChopsImpl(atChopsKeys); | ||
| var decryptedAesKey = atChops | ||
| .decryptString(encryptedAesKey, EncryptionKeyType.rsa2048) | ||
| .result; | ||
| expect(decryptedAesKey, aesKey); | ||
| }); | ||
| test( | ||
| 'A test to verify encrypting AES key with at_chops and decryption with EncryptionUtil', | ||
| () { | ||
| // Generate RSA key pair. Generate AES key. Encrypt AES key using AtChops(uses RSA public key) | ||
| // Decrypt encryptedAESKey with EncryptionUtil using RSA private key | ||
| var encryptionKeyPair = AtChopsUtil.generateAtEncryptionKeyPair(); | ||
| var encryptionPrivateKey = encryptionKeyPair.atPrivateKey.privateKey; | ||
| var aesKey = AtChopsUtil.generateSymmetricKey(EncryptionKeyType.aes256).key; | ||
|
|
||
| AtChopsKeys atChopsKeys = AtChopsKeys.create(encryptionKeyPair, null); | ||
| var atChops = AtChopsImpl(atChopsKeys); | ||
| var encryptedAesKey = | ||
| atChops.encryptString(aesKey, EncryptionKeyType.rsa2048).result; | ||
|
|
||
| var decryptedAesKey = | ||
| //ignore: deprecated_member_use_from_same_package | ||
| EncryptionUtil.decryptKey(encryptedAesKey, encryptionPrivateKey); | ||
| expect(decryptedAesKey, aesKey); | ||
| }); | ||
|
|
||
| test( | ||
| 'A test to verify data encryption with encryption util and decryption with at_chops', | ||
| () { | ||
| // Generate AES key. Encrypt data with EncryptionUtil using AES key | ||
| // Create a AESEncryption algo object using AES key and pass it to AtChops. Decrypt the encrypted value with AtChops | ||
| var aesKey = EncryptionUtil.generateAESKey(); | ||
| var dataToEncrypt = '[email protected]'; | ||
| var encryptedData = EncryptionUtil.encryptValue(dataToEncrypt, aesKey); | ||
| var encryptionAlgo = AESEncryptionAlgo(AESKey(aesKey)); | ||
| AtChopsKeys atChopsKeys = AtChopsKeys.create(null, null); | ||
| var atChops = AtChopsImpl(atChopsKeys); | ||
| var decryptedData = atChops | ||
| .decryptString(encryptedData, EncryptionKeyType.aes256, | ||
| encryptionAlgorithm: encryptionAlgo, | ||
| iv: AtChopsUtil.generateIVLegacy()) | ||
| .result; | ||
| expect(decryptedData, dataToEncrypt); | ||
| }); | ||
|
|
||
| test( | ||
| 'A test to verify data encryption with at_chops and decryption with encryption_util', | ||
| () { | ||
| // Generate AES key. Encrypt data with AtChops using AES key | ||
| // Decrypt the encrypted value with EncryptionUtil | ||
| var aesKey = AtChopsUtil.generateSymmetricKey(EncryptionKeyType.aes256); | ||
| var dataToEncrypt = '[email protected]'; | ||
| var encryptionAlgo = AESEncryptionAlgo(AESKey(aesKey.key)); | ||
| AtChopsKeys atChopsKeys = AtChopsKeys.create(null, null); | ||
| var atChops = AtChopsImpl(atChopsKeys); | ||
| var encryptedData = atChops | ||
| .encryptString(dataToEncrypt, EncryptionKeyType.aes256, | ||
| encryptionAlgorithm: encryptionAlgo, | ||
| iv: AtChopsUtil.generateIVLegacy()) | ||
| .result; | ||
| var decryptedData = EncryptionUtil.decryptValue(encryptedData, aesKey.key); | ||
| expect(decryptedData, dataToEncrypt); | ||
| }); | ||
|
|
||
| test( | ||
| 'A test to verify data(with emoji) encryption with encryption util and decryption with at_chops', | ||
| () { | ||
| // Generate AES key. Encrypt data with EncryptionUtil using AES key | ||
| // Create a AESEncryption algo object using AES key and pass it to AtChops. Decrypt the encrypted value with AtChops | ||
| var aesKey = EncryptionUtil.generateAESKey(); | ||
| var dataToEncrypt = 'alice@🦄🛠'; | ||
| var encryptedData = EncryptionUtil.encryptValue(dataToEncrypt, aesKey); | ||
| var encryptionAlgo = AESEncryptionAlgo(AESKey(aesKey)); | ||
| AtChopsKeys atChopsKeys = AtChopsKeys.create(null, null); | ||
| var atChops = AtChopsImpl(atChopsKeys); | ||
| var decryptedData = atChops | ||
| .decryptString(encryptedData, EncryptionKeyType.aes256, | ||
| encryptionAlgorithm: encryptionAlgo, | ||
| iv: AtChopsUtil.generateIVLegacy()) | ||
| .result; | ||
| expect(decryptedData, dataToEncrypt); | ||
| }); | ||
|
|
||
| test( | ||
| 'A test to verify data(with emoji) encryption with at_chops and decryption with encryption_util', | ||
| () { | ||
| // Generate AES key. Encrypt data with AtChops using AES key | ||
| // Decrypt the encrypted value with EncryptionUtil | ||
| var aesKey = AtChopsUtil.generateSymmetricKey(EncryptionKeyType.aes256); | ||
| var dataToEncrypt = 'alice@🦄🛠'; | ||
| var encryptionAlgo = AESEncryptionAlgo(AESKey(aesKey.key)); | ||
| AtChopsKeys atChopsKeys = AtChopsKeys.create(null, null); | ||
| var atChops = AtChopsImpl(atChopsKeys); | ||
| var encryptedData = atChops | ||
| .encryptString(dataToEncrypt, EncryptionKeyType.aes256, | ||
| encryptionAlgorithm: encryptionAlgo, | ||
| iv: AtChopsUtil.generateIVLegacy()) | ||
| .result; | ||
| var decryptedData = EncryptionUtil.decryptValue(encryptedData, aesKey.key); | ||
| expect(decryptedData, dataToEncrypt); | ||
| }); | ||
| } |
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