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Bcachefs Brings New On-Disk Format With Encryption, Better Multi-Device Support

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  • davidbepo
    replied
    Originally posted by satai View Post
    Why ChaCha? Is it faster than AES using AES-NI?
    no, aes-ni is faster than chacha but if aes-ni is not supported chacha is faster

    Leave a comment:


  • man-walking
    replied
    Originally posted by satai View Post
    Why ChaCha? Is it faster than AES using AES-NI?
    ChaCha among the secure ones in one of the fastest for non-AES-accelerated CPUs

    Leave a comment:


  • satai
    replied
    Why ChaCha? Is it faster than AES using AES-NI?

    Leave a comment:


  • satai
    replied
    Why ChaCha? Is it faster than AES using AES-NI?

    Leave a comment:


  • nomadewolf
    replied
    I'm very excited with this file system. And am hoping it makes it into mainline soon.

    Leave a comment:


  • Otus
    replied
    Originally posted by microcode View Post
    One nice thing about ChaCha20 (and the Salsa20 family) is that you can seek to any point in the plaintext in constant time. This could lead to much better random access performance than dm-crypt with AES.
    Equally true of AES-GCM, which is the main alternative to ChaCha20-Poly1305. Dmcrypt cannot use such modes due to being transparent full disk encryption. FS specific code can.

    Leave a comment:


  • microcode
    replied
    One nice thing about ChaCha20 (and the Salsa20 family) is that you can seek to any point in the plaintext in constant time. This could lead to much better random access performance than dm-crypt with AES.

    Leave a comment:


  • Bcachefs Brings New On-Disk Format With Encryption, Better Multi-Device Support

    Phoronix: Bcachefs Brings New On-Disk Format With Encryption, Better Multi-Device Support

    Kent Overstreet has announced a major update to Bcachefs, the new Linux file-system formed out of the advanced Bcache block layer caching code...

    http://www.phoronix.com/scan.php?pag...efs-2017-March
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