The practice lab

From code to reasoning.

Build your skills with structured courses, worked exercises and practice exams. Choose a technology or a focused quiz, then take the time to understand each decision.

Practical scenariosExplained answersFree access, no account needed

Learning paths

Full course

Hash, MD5, mots de passe et certificats TLS

Douze leçons avancées avec laboratoires corrigés : empreintes, MAC, migration des mots de passe, aléatoire, TLS, X.509 et gestion des clés.

12 modules with exercisesPHP 8.4+ · TLS 1.3 · X.509

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