sha2 – Make Me Engineer

Is calculating an MD5 hash less CPU intensive than SHA family functions?

October 9, 2022 by Tarik

Yes, MD5 is somewhat less CPU-intensive. On my Intel x86 (Core2 Quad Q6600, 2.4 GHz, using one core), I get this in 32-bit mode: MD5 411 SHA-1 218 SHA-256 118 SHA-512 46 and this in 64-bit mode: MD5 407 SHA-1 312 SHA-256 148 SHA-512 189 Figures are in megabytes per second, for a “long” message … Read more

Are there any SHA-256 javascript implementations that are generally considered trustworthy? [closed]

June 24, 2022 by Tarik

OUTDATED: Many modern browsers now have first-class support for crypto operations. See Vitaly Zdanevich’s answer below. The Stanford JS Crypto Library contains an implementation of SHA-256. While crypto in JS isn’t really as well-vetted an endeavor as other implementation platforms, this one is at least partially developed by, and to a certain extent sponsored by, … Read more