CTSS
E21722
CTSS is the commonly used abbreviation for Claude Shannon’s foundational "Communication Theory of Secrecy Systems," which established the mathematical basis of modern cryptography.
Aliases (1)
- Communication Theory of Secrecy Systems ×39
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
abbreviation
→
foundational work in cryptography → scientific paper → |
| abbreviation |
CTSS
→
|
| associatedWithPerson |
Claude Shannon
→
|
| author |
Claude Shannon
→
|
| basedOn |
Shannon’s wartime classified report on cryptography
→
|
| classificationStatus |
later declassified
→
originally classified → |
| coreIdea |
formal definition of unbreakable ciphers under perfect secrecy
→
modeling secrecy systems as communication channels with uncertainty → security measured by attacker’s remaining uncertainty about the plaintext → |
| countryOfPublication |
United States
→
|
| field |
cryptography
→
cryptography → information theory → information theory → |
| historicalContext |
developed during World War II
→
|
| influenceOn |
development of Shannon’s broader information theory
→
formal security definitions in cryptography → information-theoretic security → modern symmetric-key cryptography → |
| introducesConcept |
entropy-based security analysis
→
equivocation in cryptography → perfect secrecy → unicity distance → |
| language |
English
→
|
| originalCompletionYear |
1945
→
|
| pages |
656–715
→
|
| publicationYear |
1949
→
|
| publishedIn |
Bell System Technical Journal
→
|
| publisher |
Bell Telephone Laboratories
→
|
| refersTo |
Claude Shannon’s paper "Communication Theory of Secrecy Systems"
→
|
| relatedWork |
A Mathematical Theory of Communication
→
|
| showsThat |
one-time pad can achieve perfect secrecy
→
perfect secrecy requires key entropy at least as large as message entropy → |
| standsFor |
Communication Theory of Secrecy Systems
→
|
| topic |
ciphertext-only attacks
→
cryptographic ciphers → key space and redundancy of language → known-plaintext attacks → probabilistic models of plaintext and ciphertext → |
| usesMathematicalTool |
information entropy
→
probability theory → |
| volume |
28
→
|
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
Communication Theory of Secrecy Systems
→
|
abbreviation |
|
Communication Theory of Secrecy Systems
→
|
hasAbbreviation |