tool to estimate the decryption time

Networking/Security Forums -> Cryptographic Software and Hardware

Author: duddits PostPosted: Wed Jul 22, 2009 7:51 am    Post subject: tool to estimate the decryption time

I'm searching for a tool, which offers me the possibility to estimate the time I need to decrypt a chossen key.

The tool should offer the possibility to submit different parameters, like:
- key length and maybe also the algorithm
- max password length
- character set (like upper case, lower case, numeric, special character)
- available CPU performance (like clock frequency or number of cores etc.)

A graphical user interface would preferable but not necessary.

best regards

Author: Fire AntLocation: London PostPosted: Wed Aug 12, 2009 8:48 am    Post subject:
No such tool. TBH you are talking of ages of the universe when guessing a key for some algorithms.

You might want to look up encryption on Wikipedia as well.

decrypt a chossen key.
You don't decrypt a key, you decrypt the cipher text using a key.

max password length
Passwords having nothing to do with the encryption process. They can be used to secure the key because humans are bad at remembering things like keys so the key is secured using a passphrase.

I think you are talking about two different things here.

1 - Brute forcing a key
2 - Brute forcing a password/passphrase which is protecting a key


Networking/Security Forums -> Cryptographic Software and Hardware

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