Which Hash for What: MD5, SHA-256, and the Password Mistake
"MD5 is broken, so hash your passwords with SHA-256 instead" gets both halves wrong, in opposite directions. What broke...
Guides & How-tos · Worked examples · Real numbers
Step-by-step how-tos, head-to-head comparisons and honest roundups — every guide worked through with current figures, then backed by a RECATOOLS calculator or AI-directory entry so you can act on it.