cksum md5

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2018/03/10 cksum of a linux command daily

Daily one Linux command 2018-03-10Linux command Cksumcksum [File]  Today downstairs, an aunt died, not only sigh, now, really and before the same, upstairs downstairs do not know who live?   The Cksum command is used to check that the file's CRC is

Sending TCP Packets

First, the purpose of the experiment: The function of this design is to populate a TCP packet and send it to the destination host. Second, the experimental requirements: 1) Run as command line: sendtcp source_ip source_port dest_ip dest_port Where

Some of the check functions I've used

SHA1: OpenSSL provides a SHA1 library that can be invoked directly after OpenSSL is installed. MD5: The function prototype is shown in the attachment, where static void Mdfile (filename) is a MD5 checksum of the file, and the static void Mdstring

Linux shell implementation random several methods of sharing (DATE,RANDOM,UUID) _linux shell

In daily life, random numbers are actually often encountered, want to throw dice, lottery, and draw lots. Oh, very simple can be achieved. So in doing programming, really to design a random number through their own program that is really not easy.

Shell scripts implement random number of methods introduction (date, random, uuid) _linux shell

In daily life, random numbers are actually often encountered, want to throw dice, lottery, and draw lots. Oh, very simple can be achieved. So in doing programming, really to design a random number through their own program that is really not easy.

Multiple methods for random number implementation in Linux Shell (date, random, UUID)

In daily life, random numbers are often used. They want to drop dice, capture dice, and draw lots. It's easy to implement. So we are doingProgramIt's really not easy to design a random number through your own program. Currently, many operating

"Go" Linux shell implements random number of methods (DATE,RANDOM,UUID)

In daily life, random numbers are actually often encountered, want to throw dice, lottery, and draw lots. Oh, very simple can be achieved. It's really not easy to design a random number in your own program. Now a lot of the operating system kernel

Linux shell implements random number of methods (DATE,RANDOM,UUID)

In daily life, random numbers are actually often encountered, want to throw dice, lottery, and draw lots. Oh, very simple can be achieved. It's really not easy to design a random number in your own program. Now a lot of the operating system kernel

"Go" Linux shell implements random number of methods (DATE,RANDOM,UUID)

In daily life, random numbers are actually often encountered, want to throw dice, lottery, and draw lots. Oh, very simple can be achieved. It's really not easy to design a random number in your own program. Now a lot of the operating system kernel

Encryption and Decryption Basics

Cryptographic decryption related conceptsThree ways in which man-in-the-middle attacks are commonly used on the Internet: 1) eavesdropping 2) data tampering 3) session hijackingClassification of cryptographic algorithm protocols: a)

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