generateCodeChallenge method

String generateCodeChallenge(
  1. String codeVerifier
)

Generate PKCE code challenge (S256 method)

Implementation

String generateCodeChallenge(String codeVerifier) {
  final bytes = utf8.encode(codeVerifier);
  final digest = sha256.convert(bytes);
  return base64Url.encode(digest.bytes).replaceAll('=', '');
}