in lib/src/digest.dart [46:55]
String _hexEncode(List<int> bytes) {
const hexDigits = '0123456789abcdef';
var charCodes = Uint8List(bytes.length * 2);
for (var i = 0, j = 0; i < bytes.length; i++) {
var byte = bytes[i];
charCodes[j++] = hexDigits.codeUnitAt((byte >> 4) & 0xF);
charCodes[j++] = hexDigits.codeUnitAt(byte & 0xF);
}
return String.fromCharCodes(charCodes);
}