public KeyPair()
{
skBytes = new byte[SKEY_LEN];
vkBytes = new byte[VKEY_LEN];
NativeLibsodium.crypto_sign_keypair(vkBytes, skBytes);
Debug.Log($"sk: {Helper.ByteArrayToHexString(skBytes)}, vk: {Helper.ByteArrayToHexString(vkBytes)} ");
vkString = Helper.ByteArrayToHexString(vkBytes).ToLower();
}
public static KeyPair NewSingKeypair()
{
KeyPair pair = new KeyPair();
pair.publicKey = new byte[CRYPTO_SIGN_PUBLICKEYBYTES];
pair.secretKey = new byte[CRYPTO_SIGN_SECRETKEYBYTES];
NativeLibsodium.crypto_sign_keypair(pair.publicKey, pair.secretKey);
return(pair);
}
/// <inheritdoc/>
public override SigningKeyPair GenerateKeyPair()
{
SigningKeyPair keyPair = new SigningKeyPair(new byte[32],new byte[64]);
if(NativeLibsodium.crypto_sign_keypair(keyPair.publicKey,keyPair.secretKey) != 0)
throw new Exception("Could not create new KeyPair");
keyPair.algorythm = this;
return keyPair;
}
public byte[] SignOpenMessage(byte[] signed)
{
if (NativeLibsodium.crypto_sign_keypair(Convert.FromBase64String(ChaChaSigPublicKey), Convert.FromBase64String(ChaChaSigPrivateKey)) != 0)
{
throw new Exception("Wrong Key pair");
}
byte[] buffer = new byte[signed.LongLength - 64];
long bufferLength = buffer.LongLength;
int ret = NativeLibsodium.crypto_sign_open(buffer, ref bufferLength, signed, signed.LongLength,
Convert.FromBase64String(ChaChaSigPublicKey));
if (ret != 0)
{
throw new Exception("Error open signing message.");
}
return(buffer);
}