Package io.heraldprox.herald.sensor.payload.simple

Class F

  • public class F
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      F()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      protected static Data hash​(Data data)
      Cryptographic hash function : SHA256
      protected static Data truncate​(Data data)
      Truncation function : Delete second half of data
      protected static Data truncate​(Data data, int n)
      Truncation function : Retain first n bytes of data
      protected static Data xor​(Data left, Data right)
      XOR function : Compute left xor right, assumes left and right are the same length

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • F

        public F()

    • Method Detail

      • hash

        @Nullable
protected static Data hash​(@NonNull
                           Data data)
        Cryptographic hash function : SHA256

      • truncate

        @Nullable
protected static Data truncate​(@NonNull
                               Data data)
        Truncation function : Delete second half of data

      • truncate

        @Nullable
protected static Data truncate​(@NonNull
                               Data data,
                               int n)
        Truncation function : Retain first n bytes of data

      • xor

        @NonNull
protected static Data xor​(@NonNull
                          Data left,
                          @NonNull
                          Data right)
        XOR function : Compute left xor right, assumes left and right are the same length