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(Classic ASP) 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.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' 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 ... src = "6CF8EA51E4E0F599CF03EC8D58C3DCBC9C889A77FB2816B40DE25C2EC54E98A67EA517B" ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.BinData") set bd = Server.CreateObject("Chilkat.BinData") success = bd.AppendEncoded(src,"hex") ' The bd now contains the bytes 0x6C 0xF8 0xEA 0x51 0xE4 0xE0 0xF5 0x99 0xCF ... ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Crypt2") set crypt = Server.CreateObject("Chilkat.Crypt2") crypt.HashAlgorithm = "sha256" crypt.EncodingMode = "hex" ' Hash the bytes contained in bd, and return the 32-byte SHA256 hash as a hexidecimal encoded string. result = crypt.HashBdENC(bd) Response.Write "<pre>" & Server.HTMLEncode( result) & "</pre>" %> </body> </html> |
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