gcm.h File Reference

#include "crypt/aes.h"
#include "crypt/gf128mul.h"

Go to the source code of this file.

Classes
struct	gcm_ctx

Macros
#define	UNIT_BITS   8
#define	RETURN_WARN   1
#define	RETURN_GOOD   0
#define	RETURN_ERROR   -1
#define	GCM_BLOCK_SIZE   AES_BLOCK_SIZE

Typedefs
typedef int	ret_type

Functions
	UNIT_TYPEDEF (gcm_unit_t, UNIT_BITS)
	BUFR_TYPEDEF (gcm_buf_t, UNIT_BITS, AES_BLOCK_SIZE)
ret_type	gcm_init_and_key (const unsigned char key[], unsigned long key_len, gcm_ctx ctx[1])
ret_type	gcm_end (gcm_ctx ctx[1])
ret_type	gcm_encrypt_message (const unsigned char iv[], unsigned long iv_len, const unsigned char hdr[], unsigned long hdr_len, unsigned char msg[], unsigned long msg_len, unsigned char tag[], unsigned long tag_len, gcm_ctx ctx[1])
ret_type	gcm_decrypt_message (const unsigned char iv[], unsigned long iv_len, const unsigned char hdr[], unsigned long hdr_len, unsigned char msg[], unsigned long msg_len, const unsigned char tag[], unsigned long tag_len, gcm_ctx ctx[1])
ret_type	gcm_init_message (const unsigned char iv[], unsigned long iv_len, gcm_ctx ctx[1])
ret_type	gcm_auth_header (const unsigned char hdr[], unsigned long hdr_len, gcm_ctx ctx[1])
ret_type	gcm_encrypt (unsigned char data[], unsigned long data_len, gcm_ctx ctx[1])
ret_type	gcm_decrypt (unsigned char data[], unsigned long data_len, gcm_ctx ctx[1])
ret_type	gcm_compute_tag (unsigned char tag[], unsigned long tag_len, gcm_ctx ctx[1])
ret_type	gcm_auth_data (const unsigned char data[], unsigned long data_len, gcm_ctx ctx[1])
ret_type	gcm_crypt_data (unsigned char data[], unsigned long data_len, gcm_ctx ctx[1])

Macro Definition Documentation

#define GCM_BLOCK_SIZE   AES_BLOCK_SIZE

Definition at line 85 of file gcm.h.

#define RETURN_ERROR   -1

Definition at line 78 of file gcm.h.

#define RETURN_GOOD   0

Definition at line 77 of file gcm.h.

#define RETURN_WARN   1

Definition at line 76 of file gcm.h.

#define UNIT_BITS   8

Definition at line 49 of file gcm.h.

Typedef Documentation

typedef int ret_type

Definition at line 81 of file gcm.h.

Function Documentation

BUFR_TYPEDEF	(	gcm_buf_t	,
		UNIT_BITS	,
		AES_BLOCK_SIZE
	)

ret_type gcm_auth_data	(	const unsigned char	data[],
		unsigned long	data_len,
		gcm_ctx	ctx[1]
	)

Definition at line 265 of file gcm.c.

ret_type gcm_auth_header	(	const unsigned char	hdr[],
		unsigned long	hdr_len,
		gcm_ctx	ctx[1]
	)

Definition at line 208 of file gcm.c.

ret_type gcm_compute_tag	(	unsigned char	tag[],
		unsigned long	tag_len,
		gcm_ctx	ctx[1]
	)

Definition at line 383 of file gcm.c.

ret_type gcm_crypt_data	(	unsigned char	data[],
		unsigned long	data_len,
		gcm_ctx	ctx[1]
	)

Definition at line 322 of file gcm.c.

ret_type gcm_decrypt	(	unsigned char	data[],
		unsigned long	data_len,
		gcm_ctx	ctx[1]
	)

Definition at line 503 of file gcm.c.

ret_type gcm_decrypt_message	(	const unsigned char	iv[],
		unsigned long	iv_len,
		const unsigned char	hdr[],
		unsigned long	hdr_len,
		unsigned char	msg[],
		unsigned long	msg_len,
		const unsigned char	tag[],
		unsigned long	tag_len,
		gcm_ctx	ctx[1]
	)

Definition at line 530 of file gcm.c.

ret_type gcm_encrypt	(	unsigned char	data[],
		unsigned long	data_len,
		gcm_ctx	ctx[1]
	)

Definition at line 492 of file gcm.c.

ret_type gcm_encrypt_message	(	const unsigned char	iv[],
		unsigned long	iv_len,
		const unsigned char	hdr[],
		unsigned long	hdr_len,
		unsigned char	msg[],
		unsigned long	msg_len,
		unsigned char	tag[],
		unsigned long	tag_len,
		gcm_ctx	ctx[1]
	)

Definition at line 513 of file gcm.c.

ret_type gcm_end

(

gcm_ctx

ctx[1]

)

Definition at line 485 of file gcm.c.

ret_type gcm_init_and_key	(	const unsigned char	key[],
		unsigned long	key_len,
		gcm_ctx	ctx[1]
	)

Definition at line 102 of file gcm.c.

ret_type gcm_init_message	(	const unsigned char	iv[],
		unsigned long	iv_len,
		gcm_ctx	ctx[1]
	)

Definition at line 165 of file gcm.c.

UNIT_TYPEDEF	(	gcm_unit_t	,
		UNIT_BITS
	)