/// <summary>
/// Verify schnorr signature.
/// </summary>
/// <param name="signature">schnorr signature</param>
/// <param name="msg">32-byte msg</param>
/// <param name="schnorrPubkey">pubkey</param>
/// <returns>verify result</returns>
public static bool Verify(SchnorrSignature signature, ByteData msg, SchnorrPubkey schnorrPubkey)
{
if (signature is null)
{
throw new ArgumentNullException(nameof(signature));
}
if (msg is null)
{
throw new ArgumentNullException(nameof(msg));
}
if (schnorrPubkey is null)
{
throw new ArgumentNullException(nameof(schnorrPubkey));
}
using (var handle = new ErrorHandle())
{
var ret = NativeMethods.CfdVerifySchnorr(
handle.GetHandle(), signature.ToHexString(),
msg.ToHexString(),
schnorrPubkey.ToHexString());
if (ret == CfdErrorCode.Success)
{
return(true);
}
else if (ret != CfdErrorCode.SignVerificationError)
{
handle.ThrowError(ret);
}
}
return(false);
}
/// <summary>
/// Verify schnorr signature.
/// </summary>
/// <param name="signature">schnorr signature</param>
/// <param name="msg">32-byte msg</param>
/// <returns>verify result</returns>
public bool Verify(SchnorrSignature signature, ByteData msg)
{
return(SchnorrUtil.Verify(signature, msg, this));
}