PolybiusCipher Class Reference

Implementation of the Polybius Square substitution cipher. More...

Inheritance diagram for PolybiusCipher:

Collaboration diagram for PolybiusCipher:

Public Member Functions
	constructor ()
	Constructor for Polybius Square cipher.

Data Fields
readonly	CipherName = "Polybius"
	Identifier name for this cipher.
Data Fields inherited from BaseCipher
abstract abstract encode(plaintext:string, key?:any) abstract decode(ciphertext:string, key?:any) readonly	CipherName: string
	Abstract method to encode plaintext.

Additional Inherited Members
Static Public Attributes inherited from BaseCipher
static readonly	ALPHABET: string = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	Standard English alphabet for cipher operations.

Detailed Description

Implementation of the Polybius Square substitution cipher.

Uses a 5×5 grid where each letter is represented by its row and column coordinates. The grid arrangement allows letters to be encoded as two-digit numbers, enabling transmission via limited signaling methods.

Definition at line 21 of file polybius.ts.

Member Function Documentation

constructor()

PolybiusCipher::constructor ( )

inline

Constructor for Polybius Square cipher.

Builds the 5×5 grid mapping with letters A-Z (I and J share position). Creates both forward and inverse lookup tables for encoding/decoding.

Definition at line 42 of file polybius.ts.

Field Documentation

CipherName

readonly PolybiusCipher::CipherName = "Polybius"

Identifier name for this cipher.

Definition at line 25 of file polybius.ts.

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The documentation for this class was generated from the following file:

• vscode/asperheader/src/modules/ciphers/flavoured/polybius.ts