Merge "Merge remote-tracking branch 'aosp/upstream-master' into merge-152-from-upstream"

1 files changed, 91 insertions, 0 deletions

diff --git a/bcprov/src/main/java/org/bouncycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java b/bcprov/src/main/java/org/bouncycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java
new file mode 100644
index 0000000..f5f1876
--- /dev/null
+++ b/bcprov/src/main/java/org/bouncycastle/pqc/jcajce/spec/McEliecePublicKeySpec.java
@@ -0,0 +1,91 @@
+package org.bouncycastle.pqc.jcajce.spec;
+
+
+import java.security.spec.KeySpec;
+
+import org.bouncycastle.pqc.math.linearalgebra.GF2Matrix;
+
+/**
+ * This class provides a specification for a McEliece public key.
+ *
+ * @see org.bouncycastle.pqc.jcajce.provider.mceliece.BCMcEliecePublicKey
+ */
+public class McEliecePublicKeySpec
+    implements KeySpec
+{
+
+    // the OID of the algorithm
+    private String oid;
+
+    // the length of the code
+    private int n;
+
+    // the error correction capability of the code
+    private int t;
+
+    // the generator matrix
+    private GF2Matrix g;
+
+    /**
+     * Constructor (used by {@link org.bouncycastle.pqc.jcajce.provider.mceliece.McElieceKeyFactorySpi}).
+     *
+     * @param oid
+     * @param n   the length of the code
+     * @param t   the error correction capability of the code
+     * @param g   the generator matrix
+     */
+    public McEliecePublicKeySpec(String oid, int n, int t, GF2Matrix g)
+    {
+        this.oid = oid;
+        this.n = n;
+        this.t = t;
+        this.g = new GF2Matrix(g);
+    }
+
+    /**
+     * Constructor (used by {@link org.bouncycastle.pqc.jcajce.provider.mceliece.McElieceKeyFactorySpi}).
+     *
+     * @param oid
+     * @param n    the length of the code
+     * @param t    the error correction capability of the code
+     * @param encG the encoded generator matrix
+     */
+    public McEliecePublicKeySpec(String oid, int t, int n, byte[] encG)
+    {
+        this.oid = oid;
+        this.n = n;
+        this.t = t;
+        this.g = new GF2Matrix(encG);
+    }
+
+    /**
+     * @return the length of the code
+     */
+    public int getN()
+    {
+        return n;
+    }
+
+    /**
+     * @return the error correction capability of the code
+     */
+    public int getT()
+    {
+        return t;
+    }
+
+    /**
+     * @return the generator matrix
+     */
+    public GF2Matrix getG()
+    {
+        return g;
+    }
+
+    public String getOIDString()
+    {
+        return oid;
+
+    }
+
+}