Hi,
1. Is the AES-Encryption of a file by gnupg vulnerable to
known-plaintext attacks ?
2. Does this depend on the lenght of the plaintext ?
2.1 Is a strong Passphrase even safe, if the size of the known
plaintext is just 1 Byte or even 10 GB ?
3. Is it possible for sombody, who does not know the strong Passphrase,
to guess reliably, if the encrypted data contains a known file ?
4. Why or Why not (1.,2.,3 )?
Thanks.
JJ
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