verifySignature method
bool
verifySignature(
- String xml,
- Uint8List key,
- String signatureValue, [
- ValidateSignatureCallback? callback,
override
Implementation
@override
bool verifySignature(String xml, Uint8List key, String signatureValue,
[ValidateSignatureCallback? callback]) {
final parser = RSAPKCSParser();
final puk = parser.parsePEM(utf8.decode(key)).public;
if (puk == null) throw ArgumentError('Invalid public key');
final rsa = RSAPublicKey(puk.modulus, BigInt.from(puk.publicExponent));
final res =
rsa.verifySsaPkcs1v15(signatureValue, xml, hasher: EmsaHasher.sha1);
if (callback != null) callback(null, res);
return res;
}