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Move bitcoin and monero parts into self modules.

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M 2021-12-24 14:52:08 +02:00
parent e6b1da376d
commit 4535a1aaa8
126 changed files with 25452 additions and 0 deletions
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34
cw_core/lib/key.dart Normal file
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import 'package:encrypt/encrypt.dart' as encrypt;
const ivEncodedStringLength = 12;
String generateKey() {
final key = encrypt.Key.fromSecureRandom(512);
final iv = encrypt.IV.fromSecureRandom(8);
return key.base64 + iv.base64;
}
List<String> extractKeys(String key) {
final _key = key.substring(0, key.length - ivEncodedStringLength);
final iv = key.substring(key.length - ivEncodedStringLength);
return [_key, iv];
}
Future<String> encode({encrypt.Key key, encrypt.IV iv, String data}) async {
final encrypter = encrypt.Encrypter(encrypt.Salsa20(key));
final encrypted = encrypter.encrypt(data, iv: iv);
return encrypted.base64;
}
Future<String> decode({String password, String data}) async {
final keys = extractKeys(password);
final key = encrypt.Key.fromBase64(keys.first);
final iv = encrypt.IV.fromBase64(keys.last);
final encrypter = encrypt.Encrypter(encrypt.Salsa20(key));
final encrypted = encrypter.decrypt64(data, iv: iv);
return encrypted;
}