diff options
Diffstat (limited to 'core/src/main/java/org/spongycastle/crypto/generators/DSTU4145KeyPairGenerator.java')
-rw-r--r-- | core/src/main/java/org/spongycastle/crypto/generators/DSTU4145KeyPairGenerator.java | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/crypto/generators/DSTU4145KeyPairGenerator.java b/core/src/main/java/org/spongycastle/crypto/generators/DSTU4145KeyPairGenerator.java new file mode 100644 index 00000000..47740485 --- /dev/null +++ b/core/src/main/java/org/spongycastle/crypto/generators/DSTU4145KeyPairGenerator.java @@ -0,0 +1,21 @@ +package org.spongycastle.crypto.generators; + +import org.spongycastle.crypto.AsymmetricCipherKeyPair; +import org.spongycastle.crypto.params.ECPrivateKeyParameters; +import org.spongycastle.crypto.params.ECPublicKeyParameters; + +public class DSTU4145KeyPairGenerator + extends ECKeyPairGenerator +{ + public AsymmetricCipherKeyPair generateKeyPair() + { + AsymmetricCipherKeyPair pair = super.generateKeyPair(); + + ECPublicKeyParameters pub = (ECPublicKeyParameters)pair.getPublic(); + ECPrivateKeyParameters priv = (ECPrivateKeyParameters)pair.getPrivate(); + + pub = new ECPublicKeyParameters(pub.getQ().negate(), pub.getParameters()); + + return new AsymmetricCipherKeyPair(pub, priv); + } +} |