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On Fri, Oct 20, 2017 at 8:04 AM, Kristian Fiskerstrand <k_f@g.o> wrote: |
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> On 10/20/2017 11:10 AM, Dirkjan Ochtman wrote: |
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>> |
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>> I support Hanno's suggestion of doing just SHA512, but would be |
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>> interested in hearing opinions from others who have apparent |
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>> security/crypto experience. Maybe the Security project can weigh the |
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>> suggestions as well? |
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>> |
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> |
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> The whole discussion is moot so long as we don't have OpenPGP signed |
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> gentoo repository in rsync. |
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> |
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> SHA2-512 is generally quicker than sha256 on 64 bit architectures, but |
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> considerably slower for some architectures. Introducing a non-optimized |
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> keccak on top of it will have a significant negative performance impact |
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> for these arches without much security gain. |
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> |
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> if we still want two separate hashes, the choice of sha2 and sha3 |
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> compination is a good one given they are based on separate constructs. |
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> |
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> But IMHO we should start where things matter and complete an |
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> implementation for OpenPGP signatures of MetaManifests in Portage. |
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> |
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|
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This is why I use webrsync-gpg. Git commits are supposed to be |
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GPG-signed, so that may be suitable for your purposes. |
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|
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Cheers, |
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R0b0t1. |