blockmode.h File Reference

Blockcipher operation modes. More...

#include "beecrypt/beecrypt.h"

Include dependency graph for blockmode.h:

Go to the source code of this file.

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

Detailed Description

Blockcipher operation modes.

Todo

Additional modes, such as CFB and OFB.

Author

Bob Deblier bob.d.nosp@m.ebli.nosp@m.er@te.nosp@m.lene.nosp@m.t.be

Function Documentation

blockDecryptCBC()

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.

References BEECRYPTAPI.

blockDecryptCTR()

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

blockDecryptECB()

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.

References BEECRYPTAPI.

blockEncryptCBC()

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.

References BEECRYPTAPI.

blockEncryptCTR()

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

References BEECRYPTAPI.

blockEncryptECB()

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.

References BEECRYPTAPI.