2017-8-20 · We were able to find this collision by combining many special cryptanalytic techniques in complex ways and improving upon previous work. In total the computational effort spent is equivalent to \(2^{63.1}\) calls to SHA-1’s compression function, and took approximately 6 500 CPU years and 100 GPU years. While the computational power spent on

SHA1 : Google provoque une collision et signe … SHA1 : Google provoque une collision et signe l’arrêt de mort de la fonction par Guillaume Périssat , le 27 février 2017 04:51 Considérée comme obsolète depuis 2011, la fonction de hachage 怎么评论google announcing the first SHA-1 … 2017-2-25 · 这个影响非常之大,从Git到各种大网站的CA都在用SHA1。很快这些网站就毫无加密可言,因为破解SHA1带来的巨大利润也会让我们看到GPU在灰色市场上需求猛增,价格狂飙。所以作为一名普通用户,能做的只有多买点显卡屯着等着赚笔大钱。 密码学大事件! SHA-1 哈希碰撞实 … 2017-3-14 · Nine quintillion (9,223,372,036,854,775,808) SHA1 computations in total 6,500 years of CPU computation to complete the attack first phase 110 years of GPU computation to complete the second phase 可以看到,这样如此强劲的计算能力几乎是历史上最大规模 SHA1 相比 MD5 有什么优势吗? - V2EX

SHA1 Collision Signals the End of the Algorithm’s

SHA1 online SHA1 and other hash functions online generator sha-1 md5 md2 md4 sha256 sha384 sha512 ripemd128 ripemd160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4 tiger160,4 tiger192,4 snefru gost adler32 crc32 crc32b haval128,3 haval160,3 haval192,3 haval224,3 haval256,3 haval128,4 haval160,4 haval192,4 haval224,4 haval256,4 SHA1 collider SHA1 collider Quick-and-dirty PDF maker using the collision from the SHAttered paper. Choose two image files (must be JPG, roughly the same aspect ratio). For now, each file must be less than 64kB. Aspect ratio x (this one is actually even simpler -- just a single …

PBKDF2+HMAC hash collisions explained · Mathias Bynens

GitHub - cr-marcstevens/sha1collisiondetection: Library The library supports both an indicator flag that applications can check and act on, as well as a special safe-hash mode that returns the real SHA-1 hash when no collision was detected and a different safe hash when a collision was detected. Colliding files will have the same SHA-1 hash, but will have different unpredictable safe-hashes. InfoQ - 促进软件开发及相关领域知识与创新的传播 … InfoQ是一个实践驱动的社区资讯站点,致力于促进软件开发及相关领域知识与创新的传播。提供架构,云计算,AI,前端,大数据,Java,软件开发,编程等技术资讯及技术会议,搭建连接中国技术高端社区与国际主流技术社区的桥梁。 Git fscked by SHA-1 collision? Not so fast, says Linus 2017-2-26 · Secondly, the nature of this particular SHA1 attack means that it's actually pretty easy to mitigate against, and there's already been two sets of patches posted for that mitigation. The reason mitigation is “pretty easy”, he explained, is that to generate a collision, the attacker has to control both the “good” object and the “bad PBKDF2+HMAC hash collisions explained · Mathias Bynens