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.
応用情報技術者試験科目Aセキュリティ暗号デジタル署名PKI