public KeyPair(string sk)
{
skBytes = Helper.StringToByteArray(sk);
vkBytes = new byte[VKEY_LEN];
byte[] seed = new byte[SEED_LEN];
NativeLibsodium.crypto_sign_ed25519_sk_to_seed(seed, skBytes);
NativeLibsodium.crypto_sign_seed_keypair(vkBytes, skBytes, seed);
// The x64 versions of the library require a 64 byte array for the sk that is the sk+vk
byte[] temp = new byte[SKEY_LEN];
for (int i = 0; i < 32; i++)
{
temp[i] = skBytes[i];
}
for (int i = 0; i < 32; i++)
{
temp[i + 32] = vkBytes[i];
}
skBytes = temp;
Debug.Log($"sk: {Helper.ByteArrayToHexString(skBytes)}, vk: {Helper.ByteArrayToHexString(vkBytes)} ");
vkString = Helper.ByteArrayToHexString(vkBytes).ToLower();
}