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Classic ASP Examples

Certificates
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More Examples...
Amazon S3
Bounced Email
CSV
Diffie-Hellman
NTLM

 

 

 

 

 

 

 

(ASP) Generate new DSA Key from OpenSSL Parameters File

Generates 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>
<%


set dsa = Server.CreateObject("Chilkat.Dsa")

success = dsa.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode(dsa.LastErrorText) & "</pre>"

End If

success = dsa.GenKeyFromParamsDerFile("dsaparam.der")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode(dsa.LastErrorText) & "</pre>"

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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