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-rw-r--r--bcprov/src/main/java/org/bouncycastle/pqc/crypto/gmss/GMSSParameters.java155
1 files changed, 0 insertions, 155 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/gmss/GMSSParameters.java b/bcprov/src/main/java/org/bouncycastle/pqc/crypto/gmss/GMSSParameters.java
deleted file mode 100644
index aa89f76..0000000
--- a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/gmss/GMSSParameters.java
+++ /dev/null
@@ -1,155 +0,0 @@
-package org.bouncycastle.pqc.crypto.gmss;
-
-import org.bouncycastle.util.Arrays;
-
-/**
- * This class provides a specification for the GMSS parameters that are used by
- * the GMSSKeyPairGenerator and GMSSSignature classes.
- *
- * @see org.bouncycastle.pqc.crypto.gmss.GMSSKeyPairGenerator
- */
-public class GMSSParameters
-{
- /**
- * The number of authentication tree layers.
- */
- private int numOfLayers;
-
- /**
- * The height of the authentication trees of each layer.
- */
- private int[] heightOfTrees;
-
- /**
- * The Winternitz Parameter 'w' of each layer.
- */
- private int[] winternitzParameter;
-
- /**
- * The parameter K needed for the authentication path computation
- */
- private int[] K;
-
- /**
- * The constructor for the parameters of the GMSSKeyPairGenerator.
- *
- * @param layers the number of authentication tree layers
- * @param heightOfTrees the height of the authentication trees
- * @param winternitzParameter the Winternitz Parameter 'w' of each layer
- * @param K parameter for authpath computation
- */
- public GMSSParameters(int layers, int[] heightOfTrees, int[] winternitzParameter, int[] K)
- throws IllegalArgumentException
- {
- init(layers, heightOfTrees, winternitzParameter, K);
- }
-
- private void init(int layers, int[] heightOfTrees,
- int[] winternitzParameter, int[] K)
- throws IllegalArgumentException
- {
- boolean valid = true;
- String errMsg = "";
- this.numOfLayers = layers;
- if ((numOfLayers != winternitzParameter.length)
- || (numOfLayers != heightOfTrees.length)
- || (numOfLayers != K.length))
- {
- valid = false;
- errMsg = "Unexpected parameterset format";
- }
- for (int i = 0; i < numOfLayers; i++)
- {
- if ((K[i] < 2) || ((heightOfTrees[i] - K[i]) % 2 != 0))
- {
- valid = false;
- errMsg = "Wrong parameter K (K >= 2 and H-K even required)!";
- }
-
- if ((heightOfTrees[i] < 4) || (winternitzParameter[i] < 2))
- {
- valid = false;
- errMsg = "Wrong parameter H or w (H > 3 and w > 1 required)!";
- }
- }
-
- if (valid)
- {
- this.heightOfTrees = Arrays.clone(heightOfTrees);
- this.winternitzParameter = Arrays.clone(winternitzParameter);
- this.K = Arrays.clone(K);
- }
- else
- {
- throw new IllegalArgumentException(errMsg);
- }
- }
-
- public GMSSParameters(int keySize)
- throws IllegalArgumentException
- {
- if (keySize <= 10)
- { // create 2^10 keys
- int[] defh = {10};
- int[] defw = {3};
- int[] defk = {2};
- this.init(defh.length, defh, defw, defk);
- }
- else if (keySize <= 20)
- { // create 2^20 keys
- int[] defh = {10, 10};
- int[] defw = {5, 4};
- int[] defk = {2, 2};
- this.init(defh.length, defh, defw, defk);
- }
- else
- { // create 2^40 keys, keygen lasts around 80 seconds
- int[] defh = {10, 10, 10, 10};
- int[] defw = {9, 9, 9, 3};
- int[] defk = {2, 2, 2, 2};
- this.init(defh.length, defh, defw, defk);
- }
- }
-
- /**
- * Returns the number of levels of the authentication trees.
- *
- * @return The number of levels of the authentication trees.
- */
- public int getNumOfLayers()
- {
- return numOfLayers;
- }
-
- /**
- * Returns the array of height (for each layer) of the authentication trees
- *
- * @return The array of height (for each layer) of the authentication trees
- */
- public int[] getHeightOfTrees()
- {
- return Arrays.clone(heightOfTrees);
- }
-
- /**
- * Returns the array of WinternitzParameter (for each layer) of the
- * authentication trees
- *
- * @return The array of WinternitzParameter (for each layer) of the
- * authentication trees
- */
- public int[] getWinternitzParameter()
- {
- return Arrays.clone(winternitzParameter);
- }
-
- /**
- * Returns the parameter K needed for authentication path computation
- *
- * @return The parameter K needed for authentication path computation
- */
- public int[] getK()
- {
- return Arrays.clone(K);
- }
-}