All Questions
Tagged with password-based-encryption brute-force-attack
4 questions
4
votes
1
answer
5k
views
AES-256 password cracking time
My question is kinda simple.
I want to use AES-256 encryption to encrypt my backup.
Using a password like this:
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- 43
-1
votes
1
answer
115
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New Passwording? [closed]
I just want to note before you continue reading--this does not specifically apply to hashes or the key to encrypted messages. However, I am initially thinking about password/key solving/remembering by ...
- 1
4
votes
1
answer
455
views
Can key hardening compensate lack of entropy?
In the context of an offline brute-force attack on encrypted data at rest (say, a password-protected AES encrypted file), is a password with 64 bits of entropy and 65536 rounds of key hardening just ...
- 143
4
votes
2
answers
440
views
Using PBKDF2 twice with different argument order
I'm pretty sure this is a really bad approach (in theory), but one of my clients is doing this and I was wondering… How bad it is to perform pbkdf-2 in this way (with 2000 iterations)?
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