以下哪个选项不是MD5和SHA-1的共有的特性()A、都是散列函数B、都需要对消息进行填充C、消息都被划分成512位的块D、每个消息块都在四轮,20个阶段中处理
以下哪个选项不是MD5和SHA-1的共有的特性()
- A、都是散列函数
- B、都需要对消息进行填充
- C、消息都被划分成512位的块
- D、每个消息块都在四轮,20个阶段中处理
相关考题:
Which of the following statements are true regardinghashing? ()A、 MD5 produces a 160-bit result.B、 SHA-256 is an extension to SHA-1 with a longer output.C、 MD5 takes more CPU cycles to compute than SHA-1.D、 Changing1 bit of the input to SHA-1 changes 1 bit of the output.E、 SHA-1 is stronger than MD5 because it can be used with a key to prevent modification.
多选题Which of the following statements are true regardinghashing? ()AMD5 produces a 160-bit result.BSHA-256 is an extension to SHA-1 with a longer output.CMD5 takes more CPU cycles to compute than SHA-1.DChanging1 bit of the input to SHA-1 changes 1 bit of the output.ESHA-1 is stronger than MD5 because it can be used with a key to prevent modification.
单选题下列关于MD5和SHA-1的比较的说法,错误的是()A他们都没有使用任何传统加密过程BSHA-1生成的消息摘要比MD5生成的消息摘要长CMD5抗强力攻击的能力强于SHA-1DSHA-1和MD5都将消息划分为512位的块