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(ASP) Extract a File from a .p7m (PKCS7 Signed-Data)ASP example to extract the original file from a .p7m (Signed-Data PKCS7 Format) The .p7m contains the signed contents of the original file. It can be verified and restored by calling VerifyP7M.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% set crypt = Server.CreateObject("Chilkat.Crypt2") ' Any string argument automatically begins the 30-day trial. success = crypt.UnlockComponent("30-day trial") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>" End If outFile = "/Users/chilkat/testData/pdf/sample.pdf" inFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m" ' Verify and restore the original file: success = crypt.VerifyP7M(inFile,outFile) If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>" End If Response.Write "<pre>" & Server.HTMLEncode("Success!") & "</pre>" %> </body> </html> |
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