Vigenère cipher — polyalphabetic shift keyed by a string. More...

Functions
void	vigenere_decrypt (char text, const char key)

void	vigenere_encrypt (char text, const char key)

Detailed Description

Vigenère cipher — polyalphabetic shift keyed by a string.

Conceptually a stack of 26 Caesar ciphers; the i-th letter of the plaintext is shifted by the i-th letter of the key (key cycles). Non-alphabetic characters pass through unchanged and do not advance the key index.

Definition in file vigenere.h.

Function Documentation

◆ vigenere_decrypt()

void vigenere_decrypt	(	char *	text,
		const char *	key
	)

Definition at line 34 of file vigenere.c.

References vigenere_apply().

Referenced by main().

◆ vigenere_encrypt()

void vigenere_encrypt	(	char *	text,
		const char *	key
	)