Re: [Wikitech-l] Fwd: Adding MD5 / SHA1 column to revision table (discussing r94289)

2011-09-19 Thread Neil Harris
On 18/09/11 23:38, Roan Kattouw wrote: On Mon, Sep 19, 2011 at 12:12 AM, Anthonywikim...@inbox.org wrote: Did you try any of the non-secure hash functions? If you're going to go with MD5, might as well go with the significantly faster CRC-64. I included MD5 because MediaWiki currently uses

[Wikitech-l] Fwd: Adding MD5 / SHA1 column to revision table (discussing r94289)

2011-09-18 Thread Anthony
On Sun, Sep 18, 2011 at 1:55 AM, Robert Rohde raro...@gmail.com wrote: If collision attacks really matter we should use SHA-1. If collision attacks really matter you should use, at least, SHA-256, no? However, do any of the proposed use cases care about whether someone might intentionally

Re: [Wikitech-l] Fwd: Adding MD5 / SHA1 column to revision table (discussing r94289)

2011-09-18 Thread Anthony
On Sun, Sep 18, 2011 at 6:00 PM, Roan Kattouw roan.katt...@gmail.com wrote: On Sun, Sep 18, 2011 at 11:00 PM, Anthony wikim...@inbox.org wrote: Now I don't know how important the CPU differences in calculating the two versions would be.  If they're significant enough, then fine, use MD5, but

Re: [Wikitech-l] Fwd: Adding MD5 / SHA1 column to revision table (discussing r94289)

2011-09-18 Thread Roan Kattouw
On Mon, Sep 19, 2011 at 12:12 AM, Anthony wikim...@inbox.org wrote: Did you try any of the non-secure hash functions?  If you're going to go with MD5, might as well go with the significantly faster CRC-64. I included MD5 because MediaWiki currently uses it for some things, and SHA-1 because it