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(Swift 3,4,5...) SHA256 Hash the Bytes Represented in a Hex StringDemonstrates how to compute the SHA256 hash of the bytes represented by a hexidecimal encoded string, and return the hash bytes as an hex encoded string.
func chilkatTest() { // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. var success: Bool // We wish to compute the SHA256 hash of the bytes 0x6C 0xF8 0xEA 0x51 0xE4 0xE0 0xF5 0x99 0xCF ... var src: String? = "6CF8EA51E4E0F599CF03EC8D58C3DCBC9C889A77FB2816B40DE25C2EC54E98A67EA517B" let bd = CkoBinData()! success = bd.appendEncoded(src, encoding: "hex") // The bd now contains the bytes 0x6C 0xF8 0xEA 0x51 0xE4 0xE0 0xF5 0x99 0xCF ... let crypt = CkoCrypt2()! crypt.hashAlgorithm = "sha256" crypt.encodingMode = "hex" // Hash the bytes contained in bd, and return the 32-byte SHA256 hash as a hexidecimal encoded string. var result: String? = crypt.hashBdENC(bd) print("\(result!)") } |
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