PPT-Chained hash tables Outline

We have Discussed techniques for hashing Discussed mapping down to a given range 0 M 1 Now we must deal with collisions Numerous techniques exist Containers in general Specifically linked lists. Spencer Dawson. Summary. What are rainbow tables?. A time and memory tradeoff in password cracking.. A piecewise approach to one-way hashes. What are the advantages/disadvantages. Best uses. Limitations. than life in prison…. This chained dog was rescued from . a pit bull fighting ring.. What do you mean by “chaining”?. Some people keep dogs continuously chained to a fixed object such as a tree.. Mark Russinovich Technical Fellow. Microsoft Azure. Nathan Ide Principal Dev Lead. Microsoft Windows. Pass-the-Hash == Single-Sign On. Pass-the-hash is the use of a saved credential or authenticator . Lecture 3. Sets. A . set. is simply a collection of elements. Unlike lists, elements are not ordered. Very abstract, general concept with broad usefulness:. The set of all Google search queries from the past 24 hours. Comp 550. Dictionary . Dictionary:. Dynamic-set data structure for . storing items indexed using . keys. .. Supports . operations: Insert, Search, and . Delete . (. take . O. (1) time. ). .. Applications:. By. Lucia Cárdenas . INGREDIENTS. 2 pork chorizo links. 1 ripe (fairly but not all black) plantain, peeled and diced. 1 can . Delmonte. Summer Crisp or 1 cup fresh corn. 1/2 cup(s) black beans, drained and rinsed. Linear Probing. Uri Zwick. Tel Aviv University. Hashing with open addressing. “Uniform probing”. Insert key . in the first free position among.  . (Sometimes) assumed to be a . permutation. To search, follow the same order. . Sections 5.3, 5.4, 5.5, 5.6. 2. Designing a Hash Table. Hash function: establishing a key with an indexed location in a hash table.. E.g. . Index = hash(key) % table_size;. Resolve conflicts: . Need to handle case where multiple keys mapped to the same index.. Dominique Unruh. University of Tartu. Surprises with hash functions. Consider a hash function and a horse race. “Spicy Spirit” wins…. Commitments and hashes. Player. Bookie.  . Player. Bookie. (the Page Table). Idan Yaniv. , . Dan . Tsafrir. SIGMETRICS / IFIP 2016. “ Virtual . memory was . invented. in . a time of . scarcity.. Is . it still a good idea. ? ”. Charles Thacker,. ACM . Turing Award Lecture, . By – . Debanjan. . Sadhya. (iwc2011013). Mayank. . Swarnkar. (iwc2011026). Contents. Introduction. Definition. Properties of SHA. SHA Functions. SHA Constants. Preprocessing in SHA. Hashing in SHA. Hash Tables. . . 0. 1. 2. 3. 4. 451-229-0004. 981-101-0002. 025-612-0001. © 2014 Goodrich, Tamassia, Godlwasser. Presentation for use with the textbook . Data Structures and Algorithms in Java, 6. . Outline. Discuss what a hash method does. translates a string key into an integer . Discuss a few strategies for implementing a hash table. linear probing. quadratic probing. separate chaining hashing. n. . . [from the . techspeak. ] (var. ‘hash clash’) . When used of people, signifies a confusion in associative memory or imagination, especially a persistent one.” . . -. The Hacker's Dictionary .