Hi!

I'm trying to create command line pdf signer, which creates a signed
pdf in 2 part. First an external program calls me to get a hash (my
program creates the hash and gives back to the external program), then
the external program creates a pkcs7 file onto that hash and gives
back to my command line program. After that my command line program
inserts the hash into the pdf file.
This works good, but sometimes (10:1) I get different hash when I
create hash, and when I try to insert the pkcs7 file into the pdf.
As I see iText sometimes creates different pdf structure and that is
why I get different hash values. I can't see the logic behind that.
Can somebody tell meg, why creates iText different structure
sometimes. Is there any way to always create the same structure (hash)
onto the same pdf?

Thanks Your help in advance!

Best regards,
Tamas


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