はてなブックマーク - From Collisions to Chosen-Prefix Collisions - Application to Full SHA-1 https://b.hatena.ne.jp/entry/s/eprint.iacr.org/2019/459 Paper 2019/459 From Collisions to Chosen-Prefix Collisions - Application to Full SHA-1 Gaëtan Leurent and Thomas Peyrin Abstract A chosen-prefix collision attack is a stronger variant of a collisio... mkusaka https://b.hatena.ne.jp/mkusaka/20191231#bookmark-4668536871682501698 2019-12-31T11:17:02Z kw5 https://b.hatena.ne.jp/kw5/20190516#bookmark-4668536871682501698 2019-05-16T04:27:14Z security moxtaka https://b.hatena.ne.jp/moxtaka/20190513#bookmark-4668536871682501698 2019-05-13T02:40:49Z karkwind https://b.hatena.ne.jp/karkwind/20190512#bookmark-4668536871682501698 2019-05-12T10:43:54Z xef https://b.hatena.ne.jp/xef/20190512#bookmark-4668536871682501698 2019-05-11T22:59:07Z Security Cryptography Akaza https://b.hatena.ne.jp/Akaza/20190511#bookmark-4668536871682501698 2019-05-11T08:37:37Z security nitamago_monster https://b.hatena.ne.jp/nitamago_monster/20190511#bookmark-4668536871682501698 2019-05-11T06:09:02Z oddvolume https://b.hatena.ne.jp/oddvolume/20190511#bookmark-4668536871682501698 2019-05-11T03:53:29Z notae https://b.hatena.ne.jp/notae/20190511#bookmark-4668536871682501698 2019-05-11T03:03:22Z Crypto Security PKI idk https://b.hatena.ne.jp/idk/20190511#bookmark-4668536871682501698 2019-05-10T16:36:19Z jovi0608 https://b.hatena.ne.jp/jovi0608/20190510#bookmark-4668536871682501698 あーぁ、SHA-1のChosen-Prefix衝突攻撃がおよそ1000万円以下程度のコストで可能になったとの論文。これでSHA-1証明書は完全に終わりです。 2019-05-10T14:42:46Z