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MULTI2: Cipher details, Cryptanalysis & Overview

MULTI2 is a block cipher, developed by Hitachi in 1988. Designed for general-purpose cryptography, its current use is encryption of high-definition television broadcasts in Japan.

Language: English [EN]
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MULTI2 topic overview

The analysis highlights Cipher details, Cryptanalysis and Overview as prominent areas in the source structure around MULTI2.

Related topics
11
Source areas
3
Connected nodes
14
Extracted relationships
20
Related term clusters
12
Bridge connections
14

What this topic covers Research coverage

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.

Cipher details · 5 topics
Overview · 5 topics
Cryptanalysis · 1 topics

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.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Block sizes
64 bits
Designers
Hitachi
First published
1988
Key sizes
64 bits
Rounds
Variable
Structure
Feistel network

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MULTI2
5Block cipher · Hitachi, Ltd. · High-definition television
6Symmetric key algorithm · Block size (cryptography) · Key size

Explore all related topics Closing gaps

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.

Overview

Cipher details

Cryptanalysis

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How MULTI2 connects Entity context

The extracted context around MULTI2 shows recurring relationship patterns in the source. For example, MULTI2 → Algorithm, April, CS-Digital, DPS-SIG Information Processing Society, Hitachi, ISO/IEC, Japan1991 Patent, Japan1998 Japanese Patent, Ltd, United States1994 Algorithm Another extracted example is MULTI2 → Pi3, XOR. Use these groups to spot repeated connection types before inspecting the individual relationships.

MULTI2

Top relations

related to history · 10
MULTI2 → Algorithm, April, CS-Digital, DPS-SIG Information Processing Society, Hitachi, ISO/IEC, Japan1991 Patent, Japan1998 Japanese Patent, Ltd, United States1994 Algorithm
related to Cryptanalysis · 2
MULTI2 → Pi3, XOR
Block sizes · 1
MULTI2 → 64 bits
Designers · 1
MULTI2 → Hitachi
First published · 1
MULTI2 → 1988
Key sizes · 1
MULTI2 → 64 bits
Rounds · 1
MULTI2 → Variable
Structure · 1
MULTI2 → Feistel network
is a · 1
MULTI2 → block cipher
related to Cipher details · 1
MULTI2 → Scramble

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

key block hitachi cipher bits keys pi3 function byte japan algorithm schedule round single means 1988 encryption also bijective 64

MULTI2 relationships Subject–Predicate–Object triples

TTTA extracted 20 structured relationships around MULTI2. Examples in this analysis include MULTI2 → Block sizes → 64 bits and MULTI2 → Designers → Hitachi. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
MULTI2Block sizes64 bits1.00infobox
MULTI2DesignersHitachi1.00infobox
MULTI2First published19881.00infobox
MULTI2Key sizes64 bits1.00infobox
MULTI2RoundsVariable1.00infobox
MULTI2StructureFeistel network1.00infobox
MULTI2is ablock cipher0.90text
MULTI2related to Cipher detailsScramble0.60section
MULTI2related to CryptanalysisPi30.60section
MULTI2related to CryptanalysisXOR0.60section
MULTI2related to historyHitachi0.60section
MULTI2related to historyLtd0.60section

Related concept clusters Related term clusters

The concept neighborhoods around MULTI2 bring nearby vocabulary together. In this analysis, examples include Number, Rounds and Variable. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • symmetric key algorithm
    • Broadcasting
    • Number
    • Registered
    • Cipher
    • Hitachi
    • Multi2
    • Schedule
    • Block
    • Rounds
    • Variable
    • Means
    • Round
  • key size
    • Schedule
    • Means
    • Round
    • Single
    • Byte
    • Keys
    • Pi3
    • Rounds
    • Variable
    • Bijective
    • Class
    • Differences
  • key schedule
    • Round
    • Schedule
    • Means
    • Single
    • Bijective
    • Byte
    • Class
    • Different
    • Example
    • Fact
    • Found
    • Keys
  • block cipher
    • Hitachi
    • Multi2
    • Cipher
    • Number
    • Algorithm
    • Bits
    • Rounds
    • Variable
    • Also
    • Broadcasting
    • Class
    • Japan
  • block size
    • Cipher
    • Hitachi
    • Multi2
    • Number
    • Algorithm
    • Bits
    • Key
    • Rounds
    • Variable
    • Also
    • Broadcasting
    • Class
  • cipher details
    • Hitachi
    • Multi2
    • Number
    • Algorithm
    • Rounds
    • Variable
    • Also
    • Broadcasting
    • Class
    • Japan
    • Registered
    • Bits
  • hitachi
    • Multi2
    • Number
    • Algorithm
    • Rounds
    • Variable
    • Also
    • Broadcasting
    • Class
    • Japan
    • Registered
    • Bits
    • Keys
  • bijective
    • Fact
    • Stems
    • Function
    • Class
    • Found
    • Rotate
    • Means
    • Round
    • Schedule
    • Bits
    • Pi3
    • Key

Connections between topic areas Semantic bridges

For MULTI2, one of the stronger structural bridges in this analysis connects MULTI2 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.

Min side: 3
MULTI2 — Overview · splits 9 ⟂ 6
MULTI2 — Cipher details · splits 9 ⟂ 6

Map overview Semantic statistics

MULTI2

Nodes15
Edges14
Triples20
Avg. degree1.87
Density0.133333
Components1

Source & methodology

TTTA analyzes the structure around MULTI2 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Cipher details, Cryptanalysis & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — MULTI2 · EN edition · Analysis: TopicsToTalkAbout

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