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(Classic ASP) Generate new DSA Key from OpenSSL Parameters FileGenerates a new DSA key from an OpenSSL-created parameters file (DER and PEM formats supported). Examples of using OpenSSL to create parameter files are shown here: openssl dsaparam -outform DER 1024 < seedData.txt >dsaparam.der openssl dsaparam 1024 < seedData.txt >dsaparam.pem
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires 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.Dsa") set dsa = Server.CreateObject("Chilkat.Dsa") success = dsa.GenKeyFromParamsDerFile("dsaparam.der") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( dsa.LastErrorText) & "</pre>" Response.End End If ' To generate a key from PEM, call GenKeyFromParamsPem ' (for an in-memory PEM string) or GenKeyFromParamsFilePem ' for a PEM file. ' The public and private keys may now be exported to PEM, DER, ' and XML formatted files. ' First for the public key... ' The public key never needs to be encrypted. ' Save the public key in PEM format: pemStr = dsa.ToPublicPem() ' This example will not check the return value of SaveText... success = dsa.SaveText(pemStr,"dsa_pub.pem") ' Save the public key in DER format: success = dsa.ToPublicDerFile("dsa_pub.der") bPublicOnly = 1 ' Save to XML xmlStr = dsa.ToXml(bPublicOnly) success = dsa.SaveText(pemStr,"dsa_pub.xml") ' ------------------------------------ ' Now for the private key.... ' ------------------------------------ ' Unencrypted PEM: pemStr = dsa.ToPem() success = dsa.SaveText(pemStr,"dsa_priv.pem") ' Encrypted PEM: pemStr = dsa.ToEncryptedPem("myPassword") success = dsa.SaveText(pemStr,"dsa_privEncrypted.pem") ' DER: success = dsa.ToDerFile("dsa_priv.der") ' XML: bPublicOnly = 0 xmlStr = dsa.ToXml(bPublicOnly) success = dsa.SaveText(pemStr,"dsa_priv.xml") Response.Write "<pre>" & Server.HTMLEncode( "Finished!") & "</pre>" %> </body> </html> |
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