Tagged Questions
1
vote
2answers
107 views
What cipher mode is suitable for independantly decryptable short messages?
I'm building a small VoIP client which transmits encrypted audio data via UDP, and some packet loss is expected, so each packet will need to be decrypted separately even if others in the stream don't ...
1
vote
1answer
287 views
How can I implement the “Multiplication Modulo” and “Addition Modulo” operations in IDEA?
I am currently working on IDEA (International Data Encryption Algorithm), and I don't know how to perform Multiplication Modulo and Addition Modulo.
This is how IDEA operates:
IDEA operates on ...
1
vote
1answer
116 views
Why does .NET's ECB mode implementation append a constant block to my ciphertext?
Consider the following code and output:
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4
votes
3answers
277 views
Order of cascaded ciphers
Does the order of a block cipher cascade (e.g. in TrueCrypt) make a difference to the security provided, assuming independant keys?
For example:
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