All hashes by their nature can have collisions. The news is there is a practical way to intentionally generate them. It's the first time this is done for SHA-1, at least publicly announced (it wouldn't surprise me if the NSA had secret techniques and computing power to do it already).
> On Feb 25, 2017, at 10:21, James <james2...@gmail.com> wrote: > > It's been known for a while that sha1 can generate duplicates. What next the > announcement that MD5s have collisions too? > > On Feb 24, 2017 3:39 PM, "Pine W" <wiki.p...@gmail.com> wrote: > If you develop or run software that uses SHA-1, here's another reason to > upgrade to a more secure algorithm: > > https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html > > Pine >
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