include/beecrypt/blockmode.h File Reference

Blockcipher operation modes. More...

#include "beecrypt/beecrypt.h"

Include dependency graph for blockmode.h:

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Functions
BEECRYPTAPI int	blockEncryptECB (const blockCipher *bc, blockCipherParam *bp, uint32_t *dst, const uint32_t *src, unsigned int nblocks)
	This function encrypts a number of data blocks in Electronic Code Book mode.
BEECRYPTAPI int	blockDecryptECB (const blockCipher *bc, blockCipherParam *bp, uint32_t *dst, const uint32_t *src, unsigned int nblocks)
	This function decrypts a number of data blocks in Electronic Code Book mode.
BEECRYPTAPI int	blockEncryptCBC (const blockCipher *bc, blockCipherParam *bp, uint32_t *dst, const uint32_t *src, unsigned int nblocks)
	This function encrypts a number of data blocks in Cipher Block Chaining mode.
BEECRYPTAPI int	blockDecryptCBC (const blockCipher *bc, blockCipherParam *bp, uint32_t *dst, const uint32_t *src, unsigned int nblocks)
	This function decrypts a number of data blocks in Cipher Block Chaining mode.
BEECRYPTAPI int	blockEncryptCTR (const blockCipher *bc, blockCipherParam *bp, uint32_t *dst, const uint32_t *src, unsigned int nblocks)
BEECRYPTAPI int	blockDecryptCTR (const blockCipher *bc, blockCipherParam *bp, uint32_t *dst, const uint32_t *src, unsigned int nblocks)

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Detailed Description

Blockcipher operation modes.

Todo:

Additional modes, such as CFB and OFB.

Author:

Bob Deblier <bob.deblier@telenet.be>

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Function Documentation

int blockDecryptCBC	(	const blockCipher *	bc,
		blockCipherParam *	bp,
		uint32_t *	dst,
		const uint32_t *	src,
		unsigned int	nblocks
	)

This function decrypts a number of data blocks in Cipher Block Chaining mode.

Parameters:

	bc	The blockcipher.
	bp	The cipher's parameter block.
	dst	The cleartext data; should be aligned on a 32-bit boundary.
	src	The ciphertext data; should be aligned on a 32-bit boundary.
	nblocks	The number of blocks to be decrypted.

Return values:

0

on success.

BEECRYPTAPI int blockDecryptCTR	(	const blockCipher *	bc,
		blockCipherParam *	bp,
		uint32_t *	dst,
		const uint32_t *	src,
		unsigned int	nblocks
	)

int blockDecryptECB	(	const blockCipher *	bc,
		blockCipherParam *	bp,
		uint32_t *	dst,
		const uint32_t *	src,
		unsigned int	nblocks
	)

This function decrypts a number of data blocks in Electronic Code Book mode.

Parameters:

	bc	The blockcipher.
	bp	The cipher's parameter block.
	dst	The cleartext data; should be aligned on a 32-bit boundary.
	src	The ciphertext data; should be aligned on a 32-bit boundary.
	nblocks	The number of blocks to be decrypted.

Return values:

0

on success.

int blockEncryptCBC	(	const blockCipher *	bc,
		blockCipherParam *	bp,
		uint32_t *	dst,
		const uint32_t *	src,
		unsigned int	nblocks
	)

This function encrypts a number of data blocks in Cipher Block Chaining mode.

Parameters:

	bc	The blockcipher.
	bp	The cipher's parameter block.
	dst	The ciphertext data; should be aligned on a 32-bit boundary.
	src	The cleartext data; should be aligned on a 32-bit boundary.
	nblocks	The number of blocks to be encrypted.

Return values:

0

on success.

BEECRYPTAPI int blockEncryptCTR	(	const blockCipher *	bc,
		blockCipherParam *	bp,
		uint32_t *	dst,
		const uint32_t *	src,
		unsigned int	nblocks
	)

int blockEncryptECB	(	const blockCipher *	bc,
		blockCipherParam *	bp,
		uint32_t *	dst,
		const uint32_t *	src,
		unsigned int	nblocks
	)

This function encrypts a number of data blocks in Electronic Code Book mode.

Parameters:

	bc	The blockcipher.
	bp	The cipher's parameter block.
	dst	The ciphertext data; should be aligned on a 32-bit boundary.
	src	The cleartext data; should be aligned on a 32-bit boundary.
	nblocks	The number of blocks to be encrypted.

Return values:

0

on success.