static async Task <byte[]> CreateSignatureCoreAsync(
ISigner signer, string text, string privateKey, Encoding encoding = null)
{
if (encoding == null)
{
encoding = defaultEncoding;
}
var textBytes = encoding.GetBytes(text);
byte[] signatureBytes;
using (var ms = new MemoryStream(textBytes))
{
signatureBytes = await signer.CreateSignatureAsync(ms, privateKey);
}
return(signatureBytes);
}
