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What you call the "XOR attack" is based upon the secret stream being reused; i.e. there is some secret stream S, data D that gets encrypted by XORing it with S, and some other data D' that gets encrypted by XORing it with the same secret stream S. In that case, if the attacker knows D he learns D'. However, when RC4 is used in SSL, the key is brand new for ...


0

It is possible to encrypt a pdf with AES: https://blogs.adobe.com/security/2011/08/pdf-encryption-options.html I thought that the structure tree was encrypted (ie. that it was a stub pointing to a big blob containing the rest of the content). But I haven't reviewed it, you seem to have a greater knowledge of that. In order to confirm that the document is ...



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