SaberKeyPairGenerator
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Security;
namespace Org.BouncyCastle.Pqc.Crypto.Saber
{
public class SaberKeyPairGenerator : IAsymmetricCipherKeyPairGenerator
{
private SaberKeyGenerationParameters saberParams;
private int l;
private SecureRandom random;
private void Initialize(KeyGenerationParameters param)
{
saberParams = (SaberKeyGenerationParameters)param;
random = param.Random;
l = saberParams.Parameters.L;
}
private AsymmetricCipherKeyPair GenKeyPair()
{
SaberEngine engine = saberParams.Parameters.Engine;
byte[] array = new byte[engine.GetPrivateKeySize()];
byte[] array2 = new byte[engine.GetPublicKeySize()];
engine.crypto_kem_keypair(array2, array, random);
SaberPublicKeyParameters publicParameter = new SaberPublicKeyParameters(saberParams.Parameters, array2);
SaberPrivateKeyParameters privateParameter = new SaberPrivateKeyParameters(saberParams.Parameters, array);
return new AsymmetricCipherKeyPair(publicParameter, privateParameter);
}
public void Init(KeyGenerationParameters param)
{
Initialize(param);
}
public AsymmetricCipherKeyPair GenerateKeyPair()
{
return GenKeyPair();
}
}
}