|
public static getInstance ( Curve25519ProviderType type ) : |
||
| type | Curve25519ProviderType | Type of provider requested. |
| return | ||
public static ECKeyPair generateKeyPair()
{
Curve25519KeyPair keyPair = Curve25519.getInstance(BEST).generateKeyPair();
return(new ECKeyPair(new DjbECPublicKey(keyPair.getPublicKey()),
new DjbECPrivateKey(keyPair.getPrivateKey())));
}
public static byte[] calculateSignature(ECPrivateKey signingKey, byte[] message)
{
if (signingKey.getType() == DJB_TYPE)
{
return(Curve25519.getInstance(BEST)
.calculateSignature(((DjbECPrivateKey)signingKey).getPrivateKey(), message));
}
else
{
throw new InvalidKeyException("Unknown type: " + signingKey.getType());
}
}
public static bool verifySignature(ECPublicKey signingKey, byte[] message, byte[] signature)
{
if (signingKey.getType() == DJB_TYPE)
{
return(Curve25519.getInstance(BEST)
.verifySignature(((DjbECPublicKey)signingKey).getPublicKey(), message, signature));
}
else
{
throw new InvalidKeyException("Unknown type: " + signingKey.getType());
}
}
public static byte[] calculateAgreement(ECPublicKey publicKey, ECPrivateKey privateKey)
{
if (publicKey.getType() != privateKey.getType())
{
throw new InvalidKeyException("Public and private keys must be of the same type!");
}
if (publicKey.getType() == DJB_TYPE)
{
return(Curve25519.getInstance(BEST)
.calculateAgreement(((DjbECPublicKey)publicKey).getPublicKey(),
((DjbECPrivateKey)privateKey).getPrivateKey()));
}
else
{
throw new InvalidKeyException("Unknown type: " + publicKey.getType());
}
}
public static bool isNative()
{
return(Curve25519.getInstance(BEST).isNative());
}
public static bool isNative()
{
return(Curve25519.getInstance(Curve25519ProviderType.BEST).isNative());
}
