forked from firka/student-legacy
26 lines
625 B
Dart
26 lines
625 B
Dart
import 'dart:convert';
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import 'package:crypto/crypto.dart';
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class Nonce {
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String nonce;
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List<int> key;
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String? encoded;
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Nonce({required this.nonce, required this.key});
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Future encode(String message) async {
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List<int> messageBytes = utf8.encode(message);
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Hmac hmac = Hmac(sha512, key);
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Digest digest = hmac.convert(messageBytes);
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encoded = base64.encode(digest.bytes);
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}
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Map<String, String> header() {
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return {
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"X-Authorizationpolicy-Nonce": nonce,
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"X-Authorizationpolicy-Key": encoded ?? "",
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"X-Authorizationpolicy-Version": "v2",
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};
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}
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}
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