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    SubjectRe: [PATCH/proposal] dm-crypt: add digest-based iv generation mode
    Am Fr, den 20.02.2004 schrieb Jean-Luc Cooke um 20:09:

    > > The plan was to du <cipher>-<iv mode> where <iv mode> can be
    > > ecb (well, no IV at all), plain (unhashed sector number) or a
    > > digest (hmac_key sector number). CBC mode is implicit when you
    > > have some kind of IV generation. Everything else doesn't make
    > > sense and would be redundant. CFB and CTR are not implemented
    > > by cryptoloop BTW.
    > jlcooke:~/kern/linux-2.6.1/crypto$ grep CTR *.c
    > cipher.c: case CRYPTO_TFM_MODE_CTR:
    > grep CFB *.c
    > cipher.c: case CRYPTO_TFM_MODE_CFB:
    > It should be I wrote it...the crypto part anyways.

    Do you think I should add support for those two (even though they're not
    implemented yet)? Does this make sense?

    If so, I would do: <cipher>-<cipher mode>[-<iv generator>]

    aes-ecb, aes-cbc-sha1, etc...?

    This would already break the userspace interface... ;)

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