1 files changed, 0 insertions, 123 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/params/HKDFParameters.java b/bcprov/src/main/java/org/bouncycastle/crypto/params/HKDFParameters.java
deleted file mode 100644
index 2db3ce6..0000000
--- a/bcprov/src/main/java/org/bouncycastle/crypto/params/HKDFParameters.java
+++ /dev/null
@@ -1,123 +0,0 @@
-package org.bouncycastle.crypto.params;
-
-import org.bouncycastle.crypto.DerivationParameters;
-import org.bouncycastle.util.Arrays;
-
-/**
- * Parameter class for the HKDFBytesGenerator class.
- */
-public class HKDFParameters
-    implements DerivationParameters
-{
-    private final byte[] ikm;
-    private final boolean skipExpand;
-    private final byte[] salt;
-    private final byte[] info;
-
-    private HKDFParameters(final byte[] ikm, final boolean skip,
-                           final byte[] salt, final byte[] info)
-    {
-        if (ikm == null)
-        {
-            throw new IllegalArgumentException(
-                "IKM (input keying material) should not be null");
-        }
-
-        this.ikm = Arrays.clone(ikm);
-
-        this.skipExpand = skip;
-
-        if (salt == null || salt.length == 0)
-        {
-            this.salt = null;
-        }
-        else
-        {
-            this.salt = Arrays.clone(salt);
-        }
-
-        if (info == null)
-        {
-            this.info = new byte[0];
-        }
-        else
-        {
-            this.info = Arrays.clone(info);
-        }
-    }
-
-    /**
-     * Generates parameters for HKDF, specifying both the optional salt and
-     * optional info. Step 1: Extract won't be skipped.
-     *
-     * @param ikm  the input keying material or seed
-     * @param salt the salt to use, may be null for a salt for hashLen zeros
-     * @param info the info to use, may be null for an info field of zero bytes
-     */
-    public HKDFParameters(final byte[] ikm, final byte[] salt, final byte[] info)
-    {
-        this(ikm, false, salt, info);
-    }
-
-    /**
-     * Factory method that makes the HKDF skip the extract part of the key
-     * derivation function.
-     *
-     * @param ikm  the input keying material or seed, directly used for step 2:
-     *             Expand
-     * @param info the info to use, may be null for an info field of zero bytes
-     * @return HKDFParameters that makes the implementation skip step 1
-     */
-    public static HKDFParameters skipExtractParameters(final byte[] ikm,
-                                                       final byte[] info)
-    {
-
-        return new HKDFParameters(ikm, true, null, info);
-    }
-
-    public static HKDFParameters defaultParameters(final byte[] ikm)
-    {
-        return new HKDFParameters(ikm, false, null, null);
-    }
-
-    /**
-     * Returns the input keying material or seed.
-     *
-     * @return the keying material
-     */
-    public byte[] getIKM()
-    {
-        return Arrays.clone(ikm);
-    }
-
-    /**
-     * Returns if step 1: extract has to be skipped or not
-     *
-     * @return true for skipping, false for no skipping of step 1
-     */
-    public boolean skipExtract()
-    {
-        return skipExpand;
-    }
-
-    /**
-     * Returns the salt, or null if the salt should be generated as a byte array
-     * of HashLen zeros.
-     *
-     * @return the salt, or null
-     */
-    public byte[] getSalt()
-    {
-        return Arrays.clone(salt);
-    }
-
-    /**
-     * Returns the info field, which may be empty (null is converted to empty).
-     *
-     * @return the info field, never null
-     */
-    public byte[] getInfo()
-    {
-        return Arrays.clone(info);
-    }
-}