Tagged Questions
2
votes
3answers
86 views
How do I transfer the HMAC?
I have a file I'd like to encrypt with a symmetric key using AES-256 and then use an HMAC for integrity. So I don't "roll my own" scheme which I know is a big mistake, what are the standards for using ...
4
votes
2answers
212 views
How to correctly implement AES in a backup application
I am writing a back-up application which should have the feature of encrypting the back-up. It must encrypt file data, paths and filenames. The application is being written in C# (.NET). Target is ...
1
vote
1answer
76 views
how to stop write downs
Consider a scenario with two security levels, Alice and Bob. Bob is Alice's boss. Bob must be able to read Alice's documents but not write anything to her documents.
I am using encryption keys to ...
2
votes
1answer
127 views
Password checking in the context of symmetric encryption
It is my understanding that block ciphers like AES don't have any built-in mechanisms to verify data integrity upon decryption, although some modes of operation might provide that.
I played around ...
1
vote
3answers
289 views
Is SSL Tamper Detectable?
I know how SSL provides security against people reading your messages - by encryting the message with a SYMMETRIC KEY, which was exchanged during SSL Handshake with the help of ASYMMETRIC KEYS. But I ...