public static byte[] SignCompact(byte[] messageHash, byte[] privateKey, out int recoveryId)
{
byte[] recoverableSignature = new byte[65];
recoveryId = 0;
if (Platform == OsPlatform.Windows
? !Win64Lib.secp256k1_ecdsa_sign_recoverable(Context, recoverableSignature, messageHash, privateKey, IntPtr.Zero, IntPtr.Zero)
: !(Platform == OsPlatform.Linux
? PosixLib.secp256k1_ecdsa_sign_recoverable(Context, recoverableSignature, messageHash, privateKey, IntPtr.Zero, IntPtr.Zero)
: MacLib.secp256k1_ecdsa_sign_recoverable(Context, recoverableSignature, messageHash, privateKey, IntPtr.Zero, IntPtr.Zero)))
{
return(null);
}
byte[] compactSignature = new byte[64];
if (Platform == OsPlatform.Windows
? !Win64Lib.secp256k1_ecdsa_recoverable_signature_serialize_compact(Context, compactSignature, out recoveryId, recoverableSignature)
: !(Platform == OsPlatform.Linux
? PosixLib.secp256k1_ecdsa_recoverable_signature_serialize_compact(Context, compactSignature, out recoveryId, recoverableSignature)
: MacLib.secp256k1_ecdsa_recoverable_signature_serialize_compact(Context, compactSignature, out recoveryId, recoverableSignature)))
{
return(null);
}
return(compactSignature);
}
