Xbase++

SHA256 Hash the Bytes Represented in a Hex String

Demonstrates 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. Xbase++

LOCAL nSuccess
LOCAL cSrc
LOCAL oBd
LOCAL oCrypt
LOCAL cResult

nSuccess := 0

//  This example assumes the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

//  We wish to compute the SHA256 hash of the bytes 0x6C 0xF8 0xEA 0x51 0xE4 0xE0 0xF5 0x99 0xCF ...
cSrc := "6CF8EA51E4E0F599CF03EC8D58C3DCBC9C889A77FB2816B40DE25C2EC54E98A67EA517B"

oBd := CreateObject("Chilkat.BinData")
nSuccess := oBd:AppendEncoded(cSrc, "hex")

//  The bd now contains the bytes 0x6C 0xF8 0xEA 0x51 0xE4 0xE0 0xF5 0x99 0xCF ...

oCrypt := CreateObject("Chilkat.Crypt2")
oCrypt:HashAlgorithm := "sha256"
oCrypt:EncodingMode := "hex"

//  Hash the bytes contained in bd, and return the 32-byte SHA256 hash as a hexidecimal encoded string.
cResult := oCrypt:HashBdENC(oBd)
? cResult

oBd:destroy()
oCrypt:destroy()