diff options
Diffstat (limited to 'prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/elgamal/ElGamalUtil.java')
-rw-r--r-- | prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/elgamal/ElGamalUtil.java | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/elgamal/ElGamalUtil.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/elgamal/ElGamalUtil.java deleted file mode 100644 index f0442f4a..00000000 --- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/elgamal/ElGamalUtil.java +++ /dev/null @@ -1,66 +0,0 @@ -package org.bouncycastle.jcajce.provider.asymmetric.elgamal; - -import java.security.InvalidKeyException; -import java.security.PrivateKey; -import java.security.PublicKey; - -import javax.crypto.interfaces.DHPrivateKey; -import javax.crypto.interfaces.DHPublicKey; - -import org.bouncycastle.crypto.params.AsymmetricKeyParameter; -import org.bouncycastle.crypto.params.ElGamalParameters; -import org.bouncycastle.crypto.params.ElGamalPrivateKeyParameters; -import org.bouncycastle.crypto.params.ElGamalPublicKeyParameters; -import org.bouncycastle.jce.interfaces.ElGamalPrivateKey; -import org.bouncycastle.jce.interfaces.ElGamalPublicKey; - -/** - * utility class for converting jce/jca ElGamal objects - * objects into their org.bouncycastle.crypto counterparts. - */ -public class ElGamalUtil -{ - static public AsymmetricKeyParameter generatePublicKeyParameter( - PublicKey key) - throws InvalidKeyException - { - if (key instanceof ElGamalPublicKey) - { - ElGamalPublicKey k = (ElGamalPublicKey)key; - - return new ElGamalPublicKeyParameters(k.getY(), - new ElGamalParameters(k.getParameters().getP(), k.getParameters().getG())); - } - else if (key instanceof DHPublicKey) - { - DHPublicKey k = (DHPublicKey)key; - - return new ElGamalPublicKeyParameters(k.getY(), - new ElGamalParameters(k.getParams().getP(), k.getParams().getG())); - } - - throw new InvalidKeyException("can't identify public key for El Gamal."); - } - - static public AsymmetricKeyParameter generatePrivateKeyParameter( - PrivateKey key) - throws InvalidKeyException - { - if (key instanceof ElGamalPrivateKey) - { - ElGamalPrivateKey k = (ElGamalPrivateKey)key; - - return new ElGamalPrivateKeyParameters(k.getX(), - new ElGamalParameters(k.getParameters().getP(), k.getParameters().getG())); - } - else if (key instanceof DHPrivateKey) - { - DHPrivateKey k = (DHPrivateKey)key; - - return new ElGamalPrivateKeyParameters(k.getX(), - new ElGamalParameters(k.getParams().getP(), k.getParams().getG())); - } - - throw new InvalidKeyException("can't identify private key for El Gamal."); - } -} |