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The topic of the hash table collision attack (HashtablecollisionsasDOSattack) has been repeatedly mentioned, and various languages have been recruited. This article combines the PHP kernel source code to discuss the principles and implementation of

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Recently, hashtable collision attacks (HashtablecollisionsasDOSattack) have been raised, and various languages have been involved. This article combines the PHP kernel source code to talk about the principles and implementation of such attacks. For

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Brief introduction A hash table is used in almost every C program. Since the C language allows only integers to be used as the key name for an array, PHP designs a hash table that maps the key names of strings to arrays of limited size through a

1. StatementCryptography is a complex topic, and I am not an expert in this field. Many colleges and research institutions have long-term research in this regard. In this article, I hope to show you a secure way to store Web application passwords in

Found the original of this seriesHttp://www.cnblogs.com/rush/archive/2012/02/05/2339037.htmlRecently, network security has become a focal point, in addition to the security events of plaintext passwords in China, there is one more thing that affects

The hash algorithm of PHP core technology and best practice The hash algorithm of PHP core technology and best practice The hash table is also called the hash list, which accesses the record by mapping the keyword key to a location in the array to