All Questions
Tagged with file-encryption passwords
5 questions
0
votes
2
answers
159
views
How to be able to change the password to access data encrypted with AES-GCM, without reencrypting?
Let's say you need to encrypt plaintext which is 1 TB big.
You have a password pwd. This very classical AES-GCM process is ...
- 553
2
votes
1
answer
2k
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Simple secret key encryption with PyNaCl [closed]
I am playing around with PyNaCl to get a bit into cryptography atm.
Now I wrote two scripts to encrypt a file with a secret key and then decrypt it again using that key. The encryption part works ...
- 31
0
votes
2
answers
1k
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Password in first line of file for AES-256 encryption
I'm using openssl with aes-256-cbc encryption to encrypt a file. The password is on the first line of the file and the ...
- 13
6
votes
1
answer
509
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Single-purpose symmetric encryption scheme for single files
I'm writing a simple password manager program that will encrypt/decrypt a single file (it's size will most likely stay under a few K). This is my initial file format design:
...
- 61
8
votes
2
answers
1k
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Hash decrypts key, key decrypts cipher... why?
I noticed recently that a couple of pieces of encryption software (TrueCrypt being one of them) don't directly use a hash of the password as the key for the block cipher. Instead, they generate a ...
- 3,567