1 files changed, 0 insertions, 119 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/PKCS5S1ParametersGenerator.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/PKCS5S1ParametersGenerator.java
deleted file mode 100644
index 3a6415f25..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/generators/PKCS5S1ParametersGenerator.java
+++ /dev/null
@@ -1,119 +0,0 @@
-package org.spongycastle.crypto.generators;
-
-import org.spongycastle.crypto.CipherParameters;
-import org.spongycastle.crypto.Digest;
-import org.spongycastle.crypto.PBEParametersGenerator;
-import org.spongycastle.crypto.params.KeyParameter;
-import org.spongycastle.crypto.params.ParametersWithIV;
-
-/**
- * Generator for PBE derived keys and ivs as defined by PKCS 5 V2.0 Scheme 1.
- * Note this generator is limited to the size of the hash produced by the
- * digest used to drive it.
- * <p>
- * The document this implementation is based on can be found at
- * <a href=http://www.rsasecurity.com/rsalabs/pkcs/pkcs-5/index.html>
- * RSA's PKCS5 Page</a>
- */
-public class PKCS5S1ParametersGenerator
-    extends PBEParametersGenerator
-{
-    private Digest  digest;
-
-    /**
-     * Construct a PKCS 5 Scheme 1 Parameters generator. 
-     *
-     * @param digest the digest to be used as the source of derived keys.
-     */
-    public PKCS5S1ParametersGenerator(
-        Digest  digest)
-    {
-        this.digest = digest;
-    }
-
-    /**
-     * the derived key function, the ith hash of the password and the salt.
-     */
-    private byte[] generateDerivedKey()
-    {
-        byte[] digestBytes = new byte[digest.getDigestSize()];
-
-        digest.update(password, 0, password.length);
-        digest.update(salt, 0, salt.length);
-
-        digest.doFinal(digestBytes, 0);
-        for (int i = 1; i < iterationCount; i++)
-        {
-            digest.update(digestBytes, 0, digestBytes.length);
-            digest.doFinal(digestBytes, 0);
-        }
-
-        return digestBytes;
-    }
-
-    /**
-     * Generate a key parameter derived from the password, salt, and iteration
-     * count we are currently initialised with.
-     *
-     * @param keySize the size of the key we want (in bits)
-     * @return a KeyParameter object.
-     * @exception IllegalArgumentException if the key length larger than the base hash size.
-     */
-    public CipherParameters generateDerivedParameters(
-        int keySize)
-    {
-        keySize = keySize / 8;
-
-        if (keySize > digest.getDigestSize())
-        {
-            throw new IllegalArgumentException(
-                   "Can't generate a derived key " + keySize + " bytes long.");
-        }
-
-        byte[]  dKey = generateDerivedKey();
-
-        return new KeyParameter(dKey, 0, keySize);
-    }
-
-    /**
-     * Generate a key with initialisation vector parameter derived from
-     * the password, salt, and iteration count we are currently initialised
-     * with.
-     *
-     * @param keySize the size of the key we want (in bits)
-     * @param ivSize the size of the iv we want (in bits)
-     * @return a ParametersWithIV object.
-     * @exception IllegalArgumentException if keySize + ivSize is larger than the base hash size.
-     */
-    public CipherParameters generateDerivedParameters(
-        int     keySize,
-        int     ivSize)
-    {
-        keySize = keySize / 8;
-        ivSize = ivSize / 8;
-
-        if ((keySize + ivSize) > digest.getDigestSize())
-        {
-            throw new IllegalArgumentException(
-                   "Can't generate a derived key " + (keySize + ivSize) + " bytes long.");
-        }
-
-        byte[]  dKey = generateDerivedKey();
-
-        return new ParametersWithIV(new KeyParameter(dKey, 0, keySize), dKey, keySize, ivSize);
-    }
-
-    /**
-     * Generate a key parameter for use with a MAC derived from the password,
-     * salt, and iteration count we are currently initialised with.
-     *
-     * @param keySize the size of the key we want (in bits)
-     * @return a KeyParameter object.
-     * @exception IllegalArgumentException if the key length larger than the base hash size.
-     */
-    public CipherParameters generateDerivedMacParameters(
-        int keySize)
-    {
-        return generateDerivedParameters(keySize);
-    }
-}