1 files changed, 62 insertions, 0 deletions
diff --git a/crypto/src/pqc/math/linearalgebra/Vector.cs b/crypto/src/pqc/math/linearalgebra/Vector.cs
new file mode 100644
index 000000000..e50c54792
--- /dev/null
+++ b/crypto/src/pqc/math/linearalgebra/Vector.cs
@@ -0,0 +1,62 @@
+using System;
+
+namespace Org.BouncyCastle.Pqc.Math.LinearAlgebra
+{
+    /**
+ * This abstract class defines vectors. It holds the length of vector.
+ */
+    public abstract class Vector
+    {
+
+        /**
+         * the length of this vector
+         */
+        protected int length;
+
+        /**
+         * @return the length of this vector
+         */
+        public int GetLength()
+        {
+            return length;
+        }
+
+        /**
+         * @return this vector as byte array
+         */
+        public abstract byte[] GetEncoded();
+
+        /**
+         * Return whether this is the zero vector (i.e., all elements are zero).
+         *
+         * @return <tt>true</tt> if this is the zero vector, <tt>false</tt>
+         *         otherwise
+         */
+        public abstract bool IsZero();
+
+        /**
+         * Add another vector to this vector.
+         *
+         * @param addend the other vector
+         * @return <tt>this + addend</tt>
+         */
+        public abstract Vector Add(Vector addend);
+
+        /**
+         * Multiply this vector with a permutation.
+         *
+         * @param p the permutation
+         * @return <tt>this*p = p*this</tt>
+         */
+        public abstract Vector Multiply(Permutation p);
+
+        /**
+         * Check if the given object is equal to this vector.
+         *
+         * @param other vector
+         * @return the result of the comparison
+         */
+        public abstract bool Equals(Object other);
+
+    }
+}