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(Classic ASP) Export Digital Certificate's Public KeyThe ExportPublicKey method can be called to get a certificate's public key. It can then be saved to any of a number of formats: (1) OpenSSL DER, (2) OpenSSL PEM, (3) RSA DER, (4) XML.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert") set cert = Server.CreateObject("Chilkat.Cert") ' LoadFromFile will load virtually any certificate format file. ' It will auto-recognize the format and load appropiately. success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat.cer") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>" Response.End End If ' Get the public key: ' pubkey is a Chilkat.PublicKey Set pubkey = cert.ExportPublicKey() If (cert.LastMethodSuccess = 0) Then Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>" Response.End End If ' Save to various formats: success = pubkey.SaveDerFile(0,"/Users/chilkat/testData/pubkeys/chilkat_pkcs8.der") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pubkey.LastErrorText) & "</pre>" Response.End End If success = pubkey.SavePemFile(0,"/Users/chilkat/testData/pubkeys/chilkat.pem") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pubkey.LastErrorText) & "</pre>" Response.End End If success = pubkey.SaveDerFile(1,"/Users/chilkat/testData/pubkeys/chilkat_pkcs1.der") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pubkey.LastErrorText) & "</pre>" Response.End End If success = pubkey.SaveXmlFile("/Users/chilkat/testData/pubkeys/chilkat.xml") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pubkey.LastErrorText) & "</pre>" Response.End End If Response.Write "<pre>" & Server.HTMLEncode( "Public key exported to all file formats.") & "</pre>" %> </body> </html> |
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