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(Classic ASP) RSA Sign with PKCS8 Encrypted KeySee more RSA ExamplesDemonstrates how to load a private key from an encrypted PKCS8 file and create an RSA digital signature.
<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. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PrivateKey") set pkey = Server.CreateObject("Chilkat.PrivateKey") ' Load the private key from an RSA PEM file: success = pkey.LoadPkcs8EncryptedFile("privateKey.key","myPassword") ' Get the private key in XML format: pkeyXml = pkey.GetXml() ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Rsa") set rsa = Server.CreateObject("Chilkat.Rsa") ' Import the private key into the RSA object: success = rsa.ImportPrivateKey(pkeyXml) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( rsa.LastErrorText) & "</pre>" Response.End End If ' Return the signature in hex rsa.EncodingMode = "hex" strData = "This is the string to be signed." ' Sign the string using the sha-1 hash algorithm. ' Other valid choices are "md2", "sha256", "sha384", "sha512", and "md5". hexSig = rsa.SignStringENC(strData,"sha-1") Response.Write "<pre>" & Server.HTMLEncode( hexSig) & "</pre>" %> </body> </html> |
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