1 files changed, 0 insertions, 61 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/DSAKeyPairGenerator.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/DSAKeyPairGenerator.java
deleted file mode 100644
index 609f2f3a1..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/DSAKeyPairGenerator.java
+++ /dev/null
@@ -1,61 +0,0 @@
-package org.spongycastle.crypto.generators;
-
-import org.spongycastle.crypto.AsymmetricCipherKeyPair;
-import org.spongycastle.crypto.AsymmetricCipherKeyPairGenerator;
-import org.spongycastle.crypto.KeyGenerationParameters;
-import org.spongycastle.crypto.params.DSAKeyGenerationParameters;
-import org.spongycastle.crypto.params.DSAParameters;
-import org.spongycastle.crypto.params.DSAPrivateKeyParameters;
-import org.spongycastle.crypto.params.DSAPublicKeyParameters;
-import org.spongycastle.util.BigIntegers;
-
-import java.math.BigInteger;
-import java.security.SecureRandom;
-
-/**
- * a DSA key pair generator.
- *
- * This generates DSA keys in line with the method described 
- * in <i>FIPS 186-3 B.1 FFC Key Pair Generation</i>.
- */
-public class DSAKeyPairGenerator
-    implements AsymmetricCipherKeyPairGenerator
-{
-    private static final BigInteger ONE = BigInteger.valueOf(1);
-
-    private DSAKeyGenerationParameters param;
-
-    public void init(
-        KeyGenerationParameters param)
-    {
-        this.param = (DSAKeyGenerationParameters)param;
-    }
-
-    public AsymmetricCipherKeyPair generateKeyPair()
-    {
-        DSAParameters dsaParams = param.getParameters();
-
-        BigInteger x = generatePrivateKey(dsaParams.getQ(), param.getRandom());
-        BigInteger y = calculatePublicKey(dsaParams.getP(), dsaParams.getG(), x);
-
-        return new AsymmetricCipherKeyPair(
-            new DSAPublicKeyParameters(y, dsaParams),
-            new DSAPrivateKeyParameters(x, dsaParams));
-    }
-
-    private static BigInteger generatePrivateKey(BigInteger q, SecureRandom random)
-    {
-        // TODO Prefer this method? (change test cases that used fixed random)
-        // B.1.1 Key Pair Generation Using Extra Random Bits
-//        BigInteger c = new BigInteger(q.bitLength() + 64, random);
-//        return c.mod(q.subtract(ONE)).add(ONE);
-
-        // B.1.2 Key Pair Generation by Testing Candidates
-        return BigIntegers.createRandomInRange(ONE, q.subtract(ONE), random);
-    }
-
-    private static BigInteger calculatePublicKey(BigInteger p, BigInteger g, BigInteger x)
-    {
-        return g.modPow(x, p);
-    }
-}