05_cryptoolCrypTool看到 .hex ⇒ 用 cryptoolfile → open (*.hex)Encrypt/Decrypt → Symmetric (modern) → Triple DES (CBC) 輸入 key (考試應該會給 key) → DecryptBCTextEnocoder (補充)AES passwordRSApublic key (x.509 cert)private key (p12) VeraCrypt HashMyFile