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yescrypt [2018/04/05 08:18]
solar created with content from the PHC wiki as-is
yescrypt [2018/04/05 08:28] (current)
solar converted into an initial community wiki page
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-====== yescrypt ======+====== yescrypt ​user community resources ​======
  
-==== Designer ==== +[[http://​www.openwall.com/​yescrypt/​|yescrypt]] is a password-based key derivation function (KDF) and password hashing scheme. It builds upon Colin Percival'​s scrypt. This implementation is able to compute native yescrypt hashes as well as classic scrypt.
-  * Alexander Peslyak+
  
-==== Download Submission ​==== +Right now, this is primarily a copy of the content from the [[https://​password-hashing.net|PHC]] [[https://​password-hashing.net/​wiki/​doku.php/​start|wiki]],​ but it should probably be moved to a sub-page and this page reused for links to resources related to yescrypt. 
-  * [[https://password-hashing.net/submissions/yescrypt-v2.tar.gz|Version 2]]+ 
 +===== Links ===== 
 + 
 +==== Presentations ==== 
 + 
 +  * [[http://www.openwall.com/​presentations/​BSidesLjubljana2017-Yescrypt-Large-scale-Password-Hashing/​|yescrypt:​ large-scale password ​hashing]] (BSidesLjubljana 2017) 
 +  * [[http://​www.openwall.com/presentations/PHDays2014-Yescrypt/​|yescrypt:​ password hashing scalable beyond bcrypt and scrypt]] (PHDays 2014) 
 + 
 +==== Discussion threads ==== 
 + 
 +  * [[http://​www.reddit.com/​r/​netsec/​duplicates/​26d52c/​yescrypt_password_hashing_scalable_beyond_bcrypt/​|yescrypt discussed on reddit in 2014]] 
 + 
 +===== yescrypt description from the PHC wiki =====
  
 ==== Strengths summary ==== ==== Strengths summary ====
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 The BlockMix_{Salsa20/​8,​ r}(X) function is exactly the same as in scrypt (and is invoked with hard-coded r=1 here, regardless of yescrypt'​s r).  The BlockMix_pwxform{Salsa20/​2,​ S, r}(X) function is yescrypt'​s own, and it uses yescrypt'​s own pwxform in place of most uses of Salsa20/​2. ​ Please refer to the yescrypt specification document and the deliberately mostly not optimized reference implementation (yescrypt-ref.c) for how these functions, as well as the SIMD (un)shuffling,​ are specified. The BlockMix_{Salsa20/​8,​ r}(X) function is exactly the same as in scrypt (and is invoked with hard-coded r=1 here, regardless of yescrypt'​s r).  The BlockMix_pwxform{Salsa20/​2,​ S, r}(X) function is yescrypt'​s own, and it uses yescrypt'​s own pwxform in place of most uses of Salsa20/​2. ​ Please refer to the yescrypt specification document and the deliberately mostly not optimized reference implementation (yescrypt-ref.c) for how these functions, as well as the SIMD (un)shuffling,​ are specified.
-==== Presentation ==== 
- 
-[[http://​www.openwall.com/​presentations/​PHDays2014-Yescrypt/​|yescrypt - password hashing scalable beyond bcrypt and scrypt]] presentation slides (May 2014), [[http://​www.reddit.com/​r/​netsec/​duplicates/​26d52c/​yescrypt_password_hashing_scalable_beyond_bcrypt/​|discussed on reddit]]. 
yescrypt.txt · Last modified: 2018/04/05 08:28 by solar
 
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