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Results tagged with cbc-mac
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user 16952
Cipher Block Chaining MAC (CBC-MAC) is a method of building a message authentication code from a block-cipher.
4
votes
1
answer
629
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Convergent Encryption: integrity and authenticity
I have one question about convergent encryption.
Suppose I use AES-256 in CBC mode. I need a 256 bits key and a 128 bits IV. If I use SHA-256 to hash one file, then I can use directly that hash as th …
- 97
3
votes
2
answers
683
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CBC-MAC key can be added to ciphertext?
I use AES both CBC and CBC-MAC to encrypt some stuff. I generate one key for CBC and one different key for CBC-MAC.
Does the second key (for CBC-MAC) need to be secret?
How to join such key with the …
- 97