From 7cb752aaf746dc0b473afeb9e892b7fbc12666c5 Mon Sep 17 00:00:00 2001 From: Roberto Tyley Date: Mon, 14 Jul 2014 22:38:01 +0100 Subject: Execute become-spongy.sh https://github.com/rtyley/spongycastle/blob/3040af/become-spongy.sh --- .../crypto/generators/DSTU4145KeyPairGenerator.java | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 core/src/main/java/org/spongycastle/crypto/generators/DSTU4145KeyPairGenerator.java (limited to 'core/src/main/java/org/spongycastle/crypto/generators/DSTU4145KeyPairGenerator.java') 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); + } +} -- cgit v1.2.3