fromSha256toBase64 method
Implementation
String fromSha256toBase64(final String value) {
final String formattedValue = value.replaceAll(':', '');
if (!isValidSha256Format(formattedValue)) {
throw const FormatException('Value is not SHA-256');
}
final List<int> bytes = hex.decode(formattedValue);
final String base64Form = base64.encode(bytes);
return base64Form;
}