Posts tagged “セキュリティ”
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AP Subject A 19: Symmetric Keys, Public Keys, Hashes, Digital Signatures, and PKI
Symmetric vs public-key key use, hash vs MAC vs signature, hybrid encryption, and PKI chain validation with CRL/OCSP for AP Subject A, with a worked flow and five original questions.
AP Subject A 20: User Authentication, MFA, Biometrics, Authorization, and Access Control
MFA factors, OTP and SSO, authentication vs authorization, least privilege, separation of duties and RBAC, and biometric FAR/FRR for AP Subject A, with five original questions.
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