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(Classic ASP) RSASSA-PSS Algorithm with SHA256 HashingRSA encrypt a SHA256 hash with OAEP padding. Note: This example requires Chilkat v11.0.0 or greater.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% success = 0 ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. set privkey = Server.CreateObject("Chilkat.PrivateKey") ' Load the private key object from a PEM file. ' (To load from a PEM string, call LoadPem instead.) success = privkey.LoadPemFile("somePath/myPrivateKey.pem") If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( privkey.LastErrorText) & "</pre>" Response.End End If set rsa = Server.CreateObject("Chilkat.Rsa") ' Use RSA-PSS by setting PkcsPadding = 0 rsa.PkcsPadding = 0 ' Use SHA256 rsa.OaepHash = "SHA-256" success = rsa.UsePrivateKey(privkey) ' Generate a base64 signature. rsa.EncodingMode = "base64" sigStr = rsa.SignStringENC("String to be signed","SHA-256") If (rsa.LastMethodSuccess = 0) Then Response.Write "<pre>" & Server.HTMLEncode( rsa.LastErrorText) & "</pre>" Response.End End If Response.Write "<pre>" & Server.HTMLEncode( "Signature: " & sigStr) & "</pre>" %> </body> </html> |
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