MD5、SHA1、SHA256使用的寄存器长度为()bit,SHA512使用的寄存器长度为()bit。
MD5、SHA1、SHA256使用的寄存器长度为()bit,SHA512使用的寄存器长度为()bit。
相关考题:
● 下面安全算法中,属于加密算法的是 (54) ,属于报文摘要算法的是 (55) 。(54)A. MD5 和3DES B. MD5和SHA1 C. DES和SHA1 D. DES和3DES(55)A. MD5 和3DES B. MD5和SHA1 C. DES和SHA1 D. DES和3DES
消息摘要算法MD5 (Message Digest)是一种常用的Hash函数。MD5算法以一个任意长数据块作为输入,其输出为一个______ bit 的消息摘要。A.128B.160C.256D.512
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.
What is the MD5 algorithm used for?()A、takes a fixed-length message and produces a 128-bit message digestB、takes a variable-length message and produces a 168-bit message digestC、takes a message less than 2^64 bits as input and produces a 160-bit message digestD、takes a variable-length message and produces a 128-bit message digest ActualTests.com
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.
多选题Which of the following statements about MD5 Routing Updates authentication is valid? ()AThe MD5 algorithm inputs the routing updates of arbitrary length and outputs a 128-bit hashBThe MD5 algorithm inputs the routing updates of every 64bit length and outputs an 8-bit hashCMultiple keys are supportedDRouting updates packets are delivered in encrypted messagesEShared secret keys are delivered in encrypted messages
多选题不同的密钥交换方法会带来不同的系统资源消耗,但同样也带来了不同的安全性,密钥交换方法的安全措施主要包括:加密算法、完整性算法、DiffiE-HEllmAn组(用于生成密钥的基本材料)。以下哪些安全措施组合的功能性肯定要强于以下这个组合:加密算法DES、完整性算法SHA1、DiffiE-HEllmAn组低(1)。()A加密算法DES完整性算法SHA1、DiffiE-HEllmAn组中(2)B加密算法DES完整性算法MD5、DiffiE-HEllmAn组低(2)C加密算法3DES完整性算法SHA1、DiffiE-HEllmAn组中(2)D加密算法3DES完整性算法SHA1、DiffiE-HEllmAn组低(1)E加密算法3DES完整性算法MD5、DiffiE-HEllmAn组低(1)
问答题简述SHA256算法。