toBase64Url method

String toBase64Url(
  1. BigInt number
)

Return Base64Url string from BigInt 256 bits long

Implementation

String toBase64Url(BigInt number) {
  String hexdata = number.toRadixString(16);
  int n = 64 - hexdata.length;
  for (int i = 0; i < n; i++) {
    hexdata = "0" + hexdata;
  }
  return base64Url.encode(hexToU8(hexdata));
}