encr_aes_ccm.c File Reference

#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <rpc2/secure.h>
#include "aes.h"
#include "grunt.h"

Include dependency graph for encr_aes_ccm.c:

Classes
struct	aes_ccm_ctx

Macros
#define	AFLAG   (1 << 6) /* do we have additional authenticated data */
#define	NONCELEN   11 /* fixed nonce size, 3 byte salt + 8 byte IV */
#define	PARM_L   (AES_BLOCK_SIZE - 1 - NONCELEN) /* size of length field == 4 */
#define	CCMflags(len)   ((((len / 2) - 1) << 3) | (PARM_L - 1))

Functions
void	aes_ccm_tweak (void *ctx, uint32_t version)

Variables
struct secure_encr	secure_ENCR_AES_CCM_8
struct secure_encr	secure_ENCR_AES_CCM_12
struct secure_encr	secure_ENCR_AES_CCM_16

Macro Definition Documentation

AFLAG

#define AFLAG   (1 << 6) /* do we have additional authenticated data */

CCMflags

#define CCMflags

(

len

)

((((len / 2) - 1) << 3) | (PARM_L - 1))

NONCELEN

#define NONCELEN   11 /* fixed nonce size, 3 byte salt + 8 byte IV */

PARM_L

#define PARM_L   (AES_BLOCK_SIZE - 1 - NONCELEN) /* size of length field == 4 */

Function Documentation

aes_ccm_tweak()

void aes_ccm_tweak	(	void *	ctx,
		uint32_t	version
	)

Variable Documentation

secure_ENCR_AES_CCM_12

struct secure_encr secure_ENCR_AES_CCM_12

Initial value:

= {
    .id           = SECURE_ENCR_AES_CCM_12,
    .name         = "ENCR-AES-CCM-12",
    .encrypt_init = init12,
    .encrypt_free = release,
    .encrypt      = encrypt,
    .decrypt_init = init12,
    .decrypt_free = release,
    .decrypt      = decrypt,
    .min_keysize  = bytes(128) + 3,
    .max_keysize  = bytes(256) + 3,
    .blocksize    = AES_BLOCK_SIZE,
    .iv_len       = 8,
    .icv_len      = 12,
}

secure_ENCR_AES_CCM_16

struct secure_encr secure_ENCR_AES_CCM_16

Initial value:

= {
    .id           = SECURE_ENCR_AES_CCM_16,
    .name         = "ENCR-AES-CCM-16",
    .encrypt_init = init16,
    .encrypt_free = release,
    .encrypt      = encrypt,
    .decrypt_init = init16,
    .decrypt_free = release,
    .decrypt      = decrypt,
    .min_keysize  = bytes(128) + 3,
    .max_keysize  = bytes(256) + 3,
    .blocksize    = AES_BLOCK_SIZE,
    .iv_len       = 8,
    .icv_len      = 16,
}

secure_ENCR_AES_CCM_8

struct secure_encr secure_ENCR_AES_CCM_8

Initial value:

= {
    .id           = SECURE_ENCR_AES_CCM_8,
    .name         = "ENCR-AES-CCM-8",
    .encrypt_init = init8,
    .encrypt_free = release,
    .encrypt      = encrypt,
    .decrypt_init = init8,
    .decrypt_free = release,
    .decrypt      = decrypt,
    .min_keysize  = bytes(128) + 3,
    .max_keysize  = bytes(256) + 3,
    .blocksize    = AES_BLOCK_SIZE,
    .iv_len       = 8,
    .icv_len      = 8,
}