Tagged Questions
8
votes
3answers
225 views
PBKDF2 for key diversification
I am looking for a secure key diversification function to create individual AES keys for a local smart card deployment. The keys need to be derived from a secret master key and the smart card serial ...
3
votes
1answer
203 views
How to salt PBKDF2, when generating both an AES key and a HMAC key for Encrypt then MAC?
When using Encrypt-then-MAC with AES and HMAC by password, and given 128 bits of payload with the ciphertext to store a random salt, which would be more secure:
Using PBKDF2 with then entire 128 bit ...
3
votes
4answers
1k views
PBKDF2 and salt
I want to ask some questions about the PBKDF2 function and generally about the password-based derivation functions.
Actually we use the derivation function together with the salt to provide ...
4
votes
4answers
1k views
How can one securely generate an asymmetric key pair from a short passphrase?
Background info:
I am planning on making a filehost with which one can encrypt and upload files. To protect the data against any form of hacking, I'd like not to know the encryption key ($K$) used for ...
