code: public static String toHexString(final PublicKey publicKey, final boolean lowerCase)
  	{
  		return HexExtensions.toHexString(publicKey.getEncoded(), lowerCase);
  	}
docs: Transform the given {@link PublicKey} to a hexadecimal {@link String} value.
  
  @param publicKey
  the public key
  @param lowerCase
  the flag if the result shell be transform in lower case. If true the result is
  @return the new hexadecimal {@link String} value.