Function chunkify

Hashes/SHA1.js:39–45

* Separates string into chunks of the same size * * @param {string} str - string to separate into chunks * @param {int} size - number of characters wanted in each chunk * @return {array} - array of original string split into chunks * * @example * chunkify("this is a test", 2)

(str, size)

 *      chunkify("this is a test", 2)
 */
function chunkify(str, size) {
  const chunks = []
  for (let i = 0; i < str.length; i += size) {
    chunks.push(str.slice(i, i + size))
  }
  return chunks
}

/**
 * Rotates string representation of bits to the left