1 files changed, 0 insertions, 51 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/DHKeyGeneratorHelper.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/DHKeyGeneratorHelper.java
deleted file mode 100644
index b987e5b1c..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/DHKeyGeneratorHelper.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package org.spongycastle.crypto.generators;
-
-import java.math.BigInteger;
-import java.security.SecureRandom;
-
-import org.spongycastle.crypto.params.DHParameters;
-import org.spongycastle.util.BigIntegers;
-
-class DHKeyGeneratorHelper
-{
-    static final DHKeyGeneratorHelper INSTANCE = new DHKeyGeneratorHelper();
-
-    private static final BigInteger ONE = BigInteger.valueOf(1);
-    private static final BigInteger TWO = BigInteger.valueOf(2);
-
-    private DHKeyGeneratorHelper()
-    {
-    }
-
-    BigInteger calculatePrivate(DHParameters dhParams, SecureRandom random)
-    {
-        BigInteger p = dhParams.getP();
-        int limit = dhParams.getL();
-
-        if (limit != 0)
-        {
-            return new BigInteger(limit, random).setBit(limit - 1);
-        }
-
-        BigInteger min = TWO;
-        int m = dhParams.getM();
-        if (m != 0)
-        {
-            min = ONE.shiftLeft(m - 1);
-        }
-
-        BigInteger max = p.subtract(TWO);
-        BigInteger q = dhParams.getQ();
-        if (q != null)
-        {
-            max = q.subtract(TWO);
-        }
-
-        return BigIntegers.createRandomInRange(min, max, random);
-    }
-
-    BigInteger calculatePublic(DHParameters dhParams, BigInteger x)
-    {
-        return dhParams.getG().modPow(x, dhParams.getP());
-    }
-}