String public extension String md5 MD5 encoding of the String Declaration Swift var md5: String { get } Show on GitHub md5Digest MD5 Digest of the String as an array of Byte Declaration Swift var md5Digest: [Byte] { get } Show on GitHub sha256 Gives the sha256 hash of a String Example: "Hello World!".sha256 Declaration Swift var sha256: String { get } Show on GitHub