decodeSignature static method

String decodeSignature(
  1. String encodedSignature
)

Implementation

static String decodeSignature(String encodedSignature) {
  if (encodedSignature.isEmpty) {
    throw ArgumentError('Encoded signature cannot be null or empty.');
  }

  final decodedBytes = base64Decode(encodedSignature);
  return utf8.decode(decodedBytes);
}