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(Classic ASP) Duplicate OpensSSL Command that Decrypts Binary DERThis example duplicates the following: openssl smime -decrypt -in INPUT_FILE -inform der -binary -out OUTPUT_FILE -recip PEM_CERT_AND_KEY -passin pass:PRIVKEY_PASSWORD Note: Although "smime" is the OpenSSL command, we're not really dealing with S/MIME. The arguments "-inform der -binary" indicate that the input is simply the binary DER (i.e. the PKCS7 binary encrypted object). The output can be any type of file (whatever was encrypted).
<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.Crypt2") set crypt = Server.CreateObject("Chilkat.Crypt2") crypt.CryptAlgorithm = "pki" ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Pem") set pem = Server.CreateObject("Chilkat.Pem") success = pem.LoadPemFile("qa_data/pem/myPem.pem","password") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pem.LastErrorText) & "</pre>" Response.End End If ' privkey is a Chilkat.PrivateKey Set privkey = pem.GetPrivateKey(0) If (pem.LastMethodSuccess <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pem.LastErrorText) & "</pre>" Response.End End If ' cert is a Chilkat.Cert Set cert = pem.GetCert(0) If (pem.LastMethodSuccess <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pem.LastErrorText) & "</pre>" Response.End End If success = crypt.SetDecryptCert2(cert,privkey) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>" Response.End End If success = crypt.CkDecryptFile("qa_data/infile.enc","qa_output/outfile.dat") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>" Response.End End If Response.Write "<pre>" & Server.HTMLEncode( "Success.") & "</pre>" %> </body> </html> |
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