usually secret information used as input to various kinds of cryptographic algorithms, like encryption, signature, MAC, to select the concrete transformation done by the algorithm.
0
votes
1answer
84 views
Need for Twin Elgamal encryption
What is the need for two private/public keys in twin elgamal?
I'm relatively new and would need some help.
0
votes
1answer
156 views
Key Scheduling of International Data Encryption Algorithm (IDEA)
How to perform the key scheduling in International Data Encryption Algorithm (IDEA),
I took a research but I can't understand how to perform it,
"further groups of eight keys are created by rotating ...
0
votes
1answer
92 views
Scrypt as a KDF with one-time high-entropy input
I'm looking at using Scrypt as a KDF. Assume the following:
the input will always be high-entropy random bytes generated by a CSPRNG
the length of the input can vary from between 8 to 32 bytes
the ...
0
votes
1answer
72 views
On the fly key generation for cloud storage objects
Cryptographic key management involves storing and managing encryption decryption keys , certificates , signatures etc .
If the requirement is just to store and manage object specific keys ( say ...
0
votes
1answer
59 views
Encrypting a broadcast channel
We're building a data service that is expected to go out through a single "fat pipe" channel. The design requirement says that the data in the channel must be protected by authentication and ...
0
votes
2answers
69 views
Encrypting documents through a proxy key
Suppose I'm developing an app to secure a lot of documents. These documents were encrypted (say, using AES) with a key X.
This key X is basically the password that the user enters before wanting to ...
0
votes
0answers
81 views
How to encrypt OpenVPN setup traffic [closed]
I have an OpenVPN server and a client that can successfully connect to said server. The traffic over the tunnel is encrypted. The tunnel works quite well.
However what is NOT encrypted (cleartext) is ...
0
votes
0answers
110 views
How do you ensure that a large remote file is encrypted? [closed]
On a general level, is there any way to ensure that a file has been encrypted? Specifically, is there any way to check this remotely using something like a checksum or key?
Here's a simplified ...
-1
votes
0answers
25 views
Create groups of keys [closed]
I looking for a solution to encrypt, sign documents or email a key group and send to one customers. The group of keys are had already created user keys and I would like to use them.
Is not an option ...
-2
votes
0answers
35 views
session keys in an online e-voting system [closed]
I do not have much knowledge about cryptography or public and private keys, and your help will be much appreciated. I am totally a beginner, and no one from my university can help me.
I am trying to ...
