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PDF Certificate Encryption

1
I am a developer and working on PDF Certificate Security
can any one tell me which algorithm is used for preparing encryption key for Public key Security Handler.

I have read the PDF 1.5 reference but does not find any help.The reference is saying that 20 byte seed is store in PKCS enveloped data which is used in preparing key for RC4 algorithm .

I have research on iTextSharp they are using the RC4 algorithm but did not use any 20 byte seed for preparing he key

please if any one know about the certificate Security kindly help me

Thanks

Zeeans
Sep 22 '06 #1
0 988

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