Transform an Integer to a Byte Array

ByteArrayFromInt.kt

/**
 * Transform an Integer to a Byte Array.
 *
 * @param value the Integer
 *
 * @return the Byte Array
 */
internal fun getByteArrayFromInt(value: Int): ByteArray {

  val mask = 0xFF // binary 1111 1111
  var number = value
  val result = ByteArray(java.lang.Integer.BYTES) { 0 }

  for (i in 0 until result.size) {
    result[i] = number.and(mask).toByte()
    number = number.shr(8)
  }

  result.reverse()

  return result
}