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In cryptography, XTEA (eXtended TEA) is a block cipher designed to correct weaknesses in TEA. The cipher's designers were David Wheeler and Roger Needham of the Cambridge Computer Laboratory, and the algorithm was presented in an unpublished technical report in 1997 (Needham and Wheeler, 1997). It is not subject to any patents.
The analysis highlights Cryptanalysis, Overview and Implementations as prominent areas in the source structure around XTEA.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
The extracted context around XTEA shows recurring relationship patterns in the source. For example, XTEA → Alabama, Andem, Bart, Computer Science, Cryptology, CT-RSA, Dukjae, Fast Software Encryption, Gautham, Hwang, Impossible Differential Cryptanalysis, In Kiayias, ISBN, Jongin, Kyungdeok, Lecture Notes, Lee, Lim, Masters, Meet-in-the-Middle Attacks Another extracted example is XTEA → DataFlow DiagramA, Linden Scripting Language, LSL, Second Life, TEA, Tiny Encryption AlgorithmPHP, XTEAA Cryptanalysis, XTEAJavaScript, XTEAPascal/Delphi, XTEAPostgreSQL. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
tea block cipher rounds key 64 10 presented 64-bit cryptanalysis attack david wheeler roger needham related-key computer algorithm two 32
TTTA extracted 81 structured relationships around XTEA. Examples in this analysis include XTEA → Block sizes → 64 bits and XTEA → Derived from → TEA. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| XTEA | Block sizes | 64 bits | 1.00 | infobox |
| XTEA | Derived from | TEA | 1.00 | infobox |
| XTEA | Designers | Roger Needham, David Wheeler | 1.00 | infobox |
| XTEA | First published | 1997 | 1.00 | infobox |
| XTEA | Key sizes | 128 bits | 1.00 | infobox |
| XTEA | Rounds | variable; recommended 64 Feistel rounds (32 cycles) | 1.00 | infobox |
| XTEA | Structure | Feistel cipher | 1.00 | infobox |
| XTEA | Successors | Corrected Block TEA | 1.00 | infobox |
| XTEA | is a | 64-bit block Feistel cipher with a 128-bit key and a suggested 64 rounds | 0.90 | text |
| XTEA | related to Block TEA | Presented | 0.60 | section |
| XTEA | related to Block TEA | Block TEA | 0.60 | section |
| XTEA | related to Block TEA | Because | 0.60 | section |
The concept neighborhoods around XTEA bring nearby vocabulary together. In this analysis, examples include Cipher, Rounds and Tea. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For XTEA, one of the stronger structural bridges in this analysis connects XTEA with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around XTEA to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Cryptanalysis, Overview & Implementations, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — XTEA · EN edition · Analysis: TopicsToTalkAbout