search for: zooko

Displaying 2 results from an estimated 2 matches for "zooko".

2011 May 21
7
[cryptography] rolling hashes, EDC/ECC vs MAC/MIC, etc.
----- Forwarded message from Zooko O''Whielacronx <zooko at zooko.com> ----- From: Zooko O''Whielacronx <zooko at zooko.com> Date: Sat, 21 May 2011 12:50:19 -0600 To: Crypto discussion list <cryptography at randombit.net> Subject: Re: [cryptography] rolling hashes, EDC/ECC vs MAC/MIC, etc. Reply-To...
2009 Oct 30
30
Truncating SHA2 hashes vs shortening a MAC for ZFS Crypto
For the encryption functionality in the ZFS filesystem we use AES in CCM or GCM mode at the block level to provide confidentiality and authentication. There is also a SHA256 checksum per block (of the ciphertext) that forms a Merkle tree of all the blocks in the pool. Note that I have to store the full IV in the block. A block here is a ZFS block which is any power of two from 512 bytes to