A) 功能：確認性：確定訊息來源的可靠性，而不是他人偽造的。 完整性：

A) 功能：
確認性：確定訊息來源的可靠性，而不是他人偽造的。
完整性：確定訊息未經他人竄改。
秘密鑰匙系統
(B) 運作：
計算出雜湊值，再經由加密系統計算出『訊息確認碼』(Message Authentication Code, MAC)
明文計算或密文計算

結果 (英文) 1:

A) features:Confirmed: determine the reliability of information sources, rather than forged by others. Integrity: to determine message without others changes. Secret-key system (B) operation: Calculates a hash value calculated via encryption system "message confirmation" (Message Authentication Code, MAC) Clear calculations or redaction calculation

結果 (英文) 2:

A) Function:
Confirm: the message to determine the reliability of the source, rather than others forged.
Integrity: OK message without their tampering.
Secret Key system
(B) works:
the calculated hash value, and then calculate the encryption system via the "Message Confirmation Code" (Message Authentication Code, MAC)
plaintext or ciphertext computing computing

結果 (英文) 3:

A) function:
confirmation: determine the reliability of the information sources, rather than the other person's forgery.
integrity: sure messages from others without tampering.
secret key system
(b) operation:
calculated hash value, again through the encryption system to calculate "message validation code" (message authentication code, MAC)
plaintext calculation or ciphertext
calculation