ieee802_1x_key.c File Reference

IEEE 802.1X-2010 Key Hierarchy. More...

#include "utils/includes.h"
#include "utils/common.h"
#include "crypto/md5.h"
#include "crypto/sha1.h"
#include "crypto/aes_wrap.h"
#include "crypto/crypto.h"
#include "ieee802_1x_key.h"

Functions
int	ieee802_1x_cak_128bits_aes_cmac (const u8 *msk, const u8 *mac1, const u8 *mac2, u8 *cak)
	ieee802_1x_cak_128bits_aes_cmac More...
int	ieee802_1x_ckn_128bits_aes_cmac (const u8 *msk, const u8 *mac1, const u8 *mac2, const u8 *sid, size_t sid_bytes, u8 *ckn)
	ieee802_1x_ckn_128bits_aes_cmac More...
int	ieee802_1x_kek_128bits_aes_cmac (const u8 *cak, const u8 *ckn, size_t ckn_bytes, u8 *kek)
	ieee802_1x_kek_128bits_aes_cmac More...
int	ieee802_1x_ick_128bits_aes_cmac (const u8 *cak, const u8 *ckn, size_t ckn_bytes, u8 *ick)
	ieee802_1x_ick_128bits_aes_cmac More...
int	ieee802_1x_icv_128bits_aes_cmac (const u8 *ick, const u8 *msg, size_t msg_bytes, u8 *icv)
	ieee802_1x_icv_128bits_aes_cmac More...
int	ieee802_1x_sak_128bits_aes_cmac (const u8 *cak, const u8 *ctx, size_t ctx_bytes, u8 *sak)
	ieee802_1x_sak_128bits_aes_cmac More...

Detailed Description

IEEE 802.1X-2010 Key Hierarchy.

SAK derivation specified in IEEE Std 802.1X-2010, Clause 6.2

Function Documentation

int ieee802_1x_cak_128bits_aes_cmac	(	const u8 *	msk,
		const u8 *	mac1,
		const u8 *	mac2,
		u8 *	cak
	)

ieee802_1x_cak_128bits_aes_cmac

IEEE Std 802.1X-2010, 6.2.2 CAK = KDF(Key, Label, mac1 | mac2, CAKlength)

int ieee802_1x_ckn_128bits_aes_cmac	(	const u8 *	msk,
		const u8 *	mac1,
		const u8 *	mac2,
		const u8 *	sid,
		size_t	sid_bytes,
		u8 *	ckn
	)

ieee802_1x_ckn_128bits_aes_cmac

IEEE Std 802.1X-2010, 6.2.2 CKN = KDF(Key, Label, ID | mac1 | mac2, CKNlength)

int ieee802_1x_ick_128bits_aes_cmac	(	const u8 *	cak,
		const u8 *	ckn,
		size_t	ckn_bytes,
		u8 *	ick
	)

ieee802_1x_ick_128bits_aes_cmac

IEEE Std 802.1X-2010, 9.3.3 ICK = KDF(Key, Label, Keyid, ICKLength)

int ieee802_1x_icv_128bits_aes_cmac	(	const u8 *	ick,
		const u8 *	msg,
		size_t	msg_bytes,
		u8 *	icv
	)

ieee802_1x_icv_128bits_aes_cmac

IEEE Std 802.1X-2010, 9.4.1 ICV = AES-CMAC(ICK, M, 128)

int ieee802_1x_kek_128bits_aes_cmac	(	const u8 *	cak,
		const u8 *	ckn,
		size_t	ckn_bytes,
		u8 *	kek
	)

ieee802_1x_kek_128bits_aes_cmac

IEEE Std 802.1X-2010, 9.3.3 KEK = KDF(Key, Label, Keyid, KEKLength)

int ieee802_1x_sak_128bits_aes_cmac	(	const u8 *	cak,
		const u8 *	ctx,
		size_t	ctx_bytes,
		u8 *	sak
	)

ieee802_1x_sak_128bits_aes_cmac

IEEE Std 802.1X-2010, 9.8.1 SAK = KDF(Key, Label, KS-nonce | MI-value list | KN, SAKLength)