1 files changed, 0 insertions, 64 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/crypto/ntru/NTRUSignerPrng.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/crypto/ntru/NTRUSignerPrng.java
deleted file mode 100644
index c9278dd57..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/crypto/ntru/NTRUSignerPrng.java
+++ /dev/null
@@ -1,64 +0,0 @@
-package org.spongycastle.pqc.crypto.ntru;
-
-import java.nio.ByteBuffer;
-
-import org.spongycastle.crypto.Digest;
-
-/**
- * An implementation of the deterministic pseudo-random generator in EESS section 3.7.3.1
- */
-public class NTRUSignerPrng
-{
-    private int counter;
-    private byte[] seed;
-    private Digest hashAlg;
-
-    /**
-     * Constructs a new PRNG and seeds it with a byte array.
-     *
-     * @param seed    a seed
-     * @param hashAlg the hash algorithm to use
-     */
-    NTRUSignerPrng(byte[] seed, Digest hashAlg)
-    {
-        counter = 0;
-        this.seed = seed;
-        this.hashAlg = hashAlg;
-    }
-
-    /**
-     * Returns <code>n</code> random bytes
-     *
-     * @param n number of bytes to return
-     * @return the next <code>n</code> random bytes
-     */
-    byte[] nextBytes(int n)
-    {
-        ByteBuffer buf = ByteBuffer.allocate(n);
-
-        while (buf.hasRemaining())
-        {
-            ByteBuffer cbuf = ByteBuffer.allocate(seed.length + 4);
-            cbuf.put(seed);
-            cbuf.putInt(counter);
-            byte[] array = cbuf.array();
-            byte[] hash = new byte[hashAlg.getDigestSize()];
-
-            hashAlg.update(array, 0, array.length);
-
-            hashAlg.doFinal(hash, 0);
-
-            if (buf.remaining() < hash.length)
-            {
-                buf.put(hash, 0, buf.remaining());
-            }
-            else
-            {
-                buf.put(hash);
-            }
-            counter++;
-        }
-
-        return buf.array();
-    }
-}
-\ No newline at end of file