Dart - SqlJocky -无法解析类'SHA1‘

import 'dart:convert';
import 'dart:crypto';

void main() {
  String data = "Hello, World!";
  List<int> bytes = utf8.encode(data);
  List<int> hash = sha1.convert(bytes);

  print('SHA1: $hash');
}

dependencies:
  encrypt: ^5.0.0

import 'package:encrypt/encrypt.dart' as encrypt;
import 'dart:convert';

void main() {
  String data = "Hello, World!";
  final sha1 = encrypt.SHA1();

  final digest = sha1.convert(utf8.encode(data));
  print('SHA1: $digest');
}

dependencies:
  pointycastle: ^3.3.0

import 'package:pointycastle/digests/sha1.dart';
import 'dart:convert';

void main() {
  String data = "Hello, World!";
  final sha1Digest = SHA1Digest();
  final bytes = utf8.encode(data);
  final result = sha1Digest.process(bytes);

  print('SHA1: $result');
}