private static byte[] SerializePublicKey(PubKey publicKey, bool compressed)
{
int outputlen = compressed ? 33 : 65;
byte[] output = new byte[outputlen];
if (!Secp256K1T.EcPubkeySerialize(output, ref outputlen, publicKey, compressed ? Options.EcCompressed : Options.FlagsTypeCompression))
{
return((byte[])null);
}
if (outputlen == output.Length)
{
return(output);
}
byte[] numArray = new byte[outputlen];
Array.Copy((Array)output, 0, (Array)numArray, 0, outputlen);
return(numArray);
}
public static byte[] GetPublicKey(byte[] privateKey, bool compressed)
{
if (privateKey == null)
{
throw new ArgumentNullException(nameof(privateKey));
}
if (privateKey.Length != 32)
{
throw new ArgumentOutOfRangeException(nameof(privateKey));
}
PubKey pubKey = new PubKey();
if (!Secp256K1T.EcPubKeyCreate(Secp256K1Manager.Ctx, pubKey, privateKey))
{
return((byte[])null);
}
return(Secp256K1Manager.SerializePublicKey(pubKey, compressed));
}
private static byte[] SerializePublicKey(PubKey publicKey, bool compressed)
{
var count = compressed ? 33 : 65;
var pubkey = new byte[count];
{
if (!Secp256K1T.EcPubkeySerialize(pubkey, ref count, publicKey, compressed ? Options.EcCompressed : Options.EcUncompressed))
{
return(null);
}
}
if (count == pubkey.Length)
{
return(pubkey);
}
var smallkey = new byte[count];
Array.Copy(pubkey, 0, smallkey, 0, count);
return(smallkey);
}