yescrypt-js

A pure javascript implementation of yescrypt algorithm.

The code is based on origin work, and then optimized for performance and refined for readability and modularization.

Performance

For parameters suggested by yescrypt, it shall be acceptable for use in browser/client side.

• Small and fast (N=2048, r=8, p=1)

  Input 16B, Salt 16B:
    24.9 ops/s, ±1.27%    | slowest, 0.64% slower
  
  Input 256B, Salt 16B:
    25.06 ops/s, ±0.92%   | fastest
  
  Input 256B, Salt 256B:
    25 ops/s, ±1.19%      | 0.24% slower
  
  Input 4K, Salt 16B:
    25.05 ops/s, ±1.16%   | 0.04% slower
  
  Input 4K, Salt 256B:
    25.03 ops/s, ±1.23%   | 0.12% slower

• Large and slow (N=4096, r=16, p=1)

  Input 16B, Salt 16B:
    6.314 ops/s, ±1.42%   | 0.06% slower
      
  Input 256B, Salt 16B:
    6.317 ops/s, ±1.60%   | 0.02% slower
  
  Input 256B, Salt 256B:
    6.162 ops/s, ±2.53%   | slowest, 2.47% slower
  
  Input 4K, Salt 16B:
    6.318 ops/s, ±1.30%   | fastest
  
  Input 4K, Salt 256B:
    6.232 ops/s, ±1.49%   | 1.36% slower