ecb.h File Reference

Primitive. More...

#include "ordo/primitives/block_modes.h"

Include dependency graph for ecb.h:

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Functions
ORDO_PUBLIC int	ecb_init (struct ECB_STATE *state, struct BLOCK_STATE *cipher_state, const void *iv, size_t iv_len, int dir, const struct ECB_PARAMS *params)
ORDO_PUBLIC void	ecb_update (struct ECB_STATE *state, struct BLOCK_STATE *cipher_state, const void *in, size_t in_len, void *out, size_t *out_len)
ORDO_PUBLIC int	ecb_final (struct ECB_STATE *state, struct BLOCK_STATE *cipher_state, void *out, size_t *out_len)
ORDO_PUBLIC size_t	ecb_query (prim_t cipher, int query, size_t value)
ORDO_PUBLIC size_t	ecb_bsize (void)

Detailed Description

Primitive.

The ECB mode divides the input message into blocks of the cipher's block size, and encrypts them individually and independently. If the input message's length is not a multiple of the cipher's block size, a padding mechanism is enabled by default which will pad the message to the correct length (and remove the extra data upon decryption). Padding may be disabled via ECB_PARAMS, putting constraints on the input message.

The ECB mode does not require an initialization vector.

Note that the ECB mode is insecure in almost all situations and is not recommended for general purpose use.

Function Documentation

ORDO_PUBLIC int ecb_init	(	struct ECB_STATE *	state,
		struct BLOCK_STATE *	cipher_state,
		const void *	iv,
		size_t	iv_len,
		int	dir,
		const struct ECB_PARAMS *	params
	)

See Also

block_mode_init()

ORDO_PUBLIC void ecb_update	(	struct ECB_STATE *	state,
		struct BLOCK_STATE *	cipher_state,
		const void *	in,
		size_t	in_len,
		void *	out,
		size_t *	out_len
	)

See Also

block_mode_update()

ORDO_PUBLIC int ecb_final	(	struct ECB_STATE *	state,
		struct BLOCK_STATE *	cipher_state,
		void *	out,
		size_t *	out_len
	)

See Also

block_mode_final()

ORDO_PUBLIC size_t ecb_query	(	prim_t	cipher,
		int	query,
		size_t	value
	)

See Also

block_mode_query()

ORDO_PUBLIC size_t ecb_bsize

(

void

)

Gets the size in bytes of a ECB_STATE.

Returns

The size in bytes of the structure.

Remarks

Binary compatibility layer.