0ct0pu5/ente
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Compute the hash on a separate isolate

Browse source
This commit is contained in:
Vishnu Mohandas 2020-09-30 19:20:00 +05:30
parent 429b71de4a
commit 71720df54c
1 changed files with 17 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
lib/utils/crypto_util.dart
View file

@ -22,6 +22,11 @@ Uint8List cryptoSecretboxOpenEasy(Map<String, dynamic> args) {
args["cipher"], args["nonce"], args["key"]);
}
String cryptoPwhashStr(Map<String, dynamic> args) {
return Sodium.cryptoPwhashStr(
args["input"], args["opsLimit"], args["memLimit"]);
}
ChaChaAttributes chachaEncrypt(Map<String, dynamic> args) {
final encryptionStartTime = DateTime.now().millisecondsSinceEpoch;
final logger = Logger("ChaChaEncrypt");
@ -169,12 +174,19 @@ class CryptoUtil {
Sodium.cryptoPwhashAlgDefault);
}
static String hash(Uint8List passphrase) {
static Future<String> hash(Uint8List input) async {
Sodium.init();
return Sodium.cryptoPwhashStr(
passphrase,
Sodium.cryptoPwhashOpslimitSensitive,
Sodium.cryptoPwhashMemlimitModerate);
final args = Map<String, dynamic>();
args["input"] = input;
args["opsLimit"] = Sodium.cryptoPwhashOpslimitSensitive;
args["memLimit"] = Sodium.cryptoPwhashMemlimitSensitive;
try {
return await Computer().compute(cryptoPwhashStr, param: args);
} catch (e) {
Logger("CryptoUtil").warning("Forced to reduce memory limit", e);
args["memLimit"] = Sodium.cryptoPwhashMemlimitModerate;
return await Computer().compute(cryptoPwhashStr, param: args);
}
}
static bool verifyHash(Uint8List passphrase, String hash) {