Collaborate Disseminate
In my Java project I’m trying to create a 100% secure method of communication between the method and the client. I used to use this process:
Client: generates 4096-bit RSA keypair
Client: sends public to server
Client: generates 256-bit AE… Continue reading Establishing safe connection in Java
I want to create a message exchange program. These messages are encrypted with the AES key, and this key is encrypted using the RSA algorithm. When I send a message from User 1 to User 2, I need to request the public key from User 2, do I … Continue reading RSA key exchange
I was reading a book called Serious Cryptography. There is a page saying that block size must be large enough to prevent codebook attacks:
When 16-bit blocks are used, the lookup table needs only 2^16 × 16 = 2^20 bits
of memory, or 128 ki… Continue reading How to calculate size of a codebook lookup table to break block cipher? [migrated]
The post Finding the Right and Secured Video Platforms for your Business appeared first on CCSI.
The post Finding the Right and Secured Video Platforms for your Business appeared first on Security Boulevard.
Continue reading Finding the Right and Secured Video Platforms for your Business
To my understanding, password-protected spreadsheets are not best practice for storing admin creds, whether it’s a company of 5 people or a company of 50,000 people. In such a case, what are some best practices for storing admin account cr… Continue reading Where and how to store admin account credentials for enterprise systems?
I have an Encrypted object in Minio, encrypted using the ASE 128 bit CBC algorithm.
The object is quite large (~50 MB) so instead of loading it into the memory completely (which may cause out of memory exception), I am retrieving it in chu… Continue reading Decrypt in chunks a ASE 128 CBC encrypted object [migrated]
I downloaded a calculator app by FishNet on Google play, it was an app where you can store media files in an app disguised as a calculator and can only be accessed by typing a passcode into the app. They hide the files using AES encryption… Continue reading Vault app corrupted my important files: AES encryption [closed]
We all hear often about the reused key issue in block cipher.
For example, for a picture being encrypted by the electronic codebook mode, we will still see the shape of the picture.
https://images.app.goo.gl/Hw8c9xDHcmi7nCNg6
So that is wh… Continue reading Reused key issue in Asymmetric Encryption
Diffie-Hellman won’t really work here, since only one side has a public key, one side has the private. It must be this way to prevent decryption when the data is at-rest on one of the sides before transmission.
Currently, I am using RSA-20… Continue reading Is there a standard approach for serializing an RSA encrypted AES key alongside the AES payload itself?
I found that AES has dedicated hardware on most machines. The question is can we use ed25519 to replace AES? Instead of using RSA to encrypt the AES key and then encrypt the data with AES, can we just use ed25519 and stop using AES? Are th… Continue reading Performance comparison between ed25519 vs AES