ikev2_common.c File Reference

#include "includes.h"
#include "common.h"
#include "crypto/crypto.h"
#include "crypto/md5.h"
#include "crypto/sha1.h"
#include "ikev2_common.h"

Include dependency graph for ikev2_common.c:

Go to the source code of this file.

Defines
#define	NUM_ENCR_ALGS   (sizeof(ikev2_encr_algs) / sizeof(ikev2_encr_algs[0]))
#define	NUM_INTEG_ALGS   (sizeof(ikev2_integ_algs) / sizeof(ikev2_integ_algs[0]))
#define	NUM_PRF_ALGS   (sizeof(ikev2_prf_algs) / sizeof(ikev2_prf_algs[0]))
Functions
int	ikev2_build_encrypted (int encr_id, int integ_id, struct ikev2_keys *keys, int initiator, struct wpabuf *msg, struct wpabuf *plain, u8 next_payload)
u8 *	ikev2_decrypt_payload (int encr_id, int integ_id, struct ikev2_keys *keys, int initiator, const struct ikev2_hdr *hdr, const u8 *encrypted, size_t encrypted_len, size_t *res_len)
int	ikev2_derive_auth_data (int prf_alg, const struct wpabuf *sign_msg, const u8 *ID, size_t ID_len, u8 ID_type, struct ikev2_keys *keys, int initiator, const u8 *shared_secret, size_t shared_secret_len, const u8 *nonce, size_t nonce_len, const u8 *key_pad, size_t key_pad_len, u8 *auth_data)
int	ikev2_derive_sk_keys (const struct ikev2_prf_alg *prf, const struct ikev2_integ_alg *integ, const struct ikev2_encr_alg *encr, const u8 *skeyseed, const u8 *data, size_t data_len, struct ikev2_keys *keys)
int	ikev2_encr_decrypt (int alg, const u8 *key, size_t key_len, const u8 *iv, const u8 *crypt, u8 *plain, size_t len)
int	ikev2_encr_encrypt (int alg, const u8 *key, size_t key_len, const u8 *iv, const u8 *plain, u8 *crypt, size_t len)
void	ikev2_free_keys (struct ikev2_keys *keys)
struct ikev2_encr_alg *	ikev2_get_encr (int id)
struct ikev2_integ_alg *	ikev2_get_integ (int id)
struct ikev2_prf_alg *	ikev2_get_prf (int id)
int	ikev2_integ_hash (int alg, const u8 *key, size_t key_len, const u8 *data, size_t data_len, u8 *hash)
int	ikev2_keys_set (struct ikev2_keys *keys)
int	ikev2_parse_payloads (struct ikev2_payloads *payloads, u8 next_payload, const u8 *pos, const u8 *end)
int	ikev2_prf_hash (int alg, const u8 *key, size_t key_len, size_t num_elem, const u8 *addr[], const size_t *len, u8 *hash)
int	ikev2_prf_plus (int alg, const u8 *key, size_t key_len, const u8 *data, size_t data_len, u8 *out, size_t out_len)
void	ikev2_update_hdr (struct wpabuf *msg)
Variables
static struct ikev2_encr_alg	ikev2_encr_algs []
static struct ikev2_integ_alg	ikev2_integ_algs []
static struct ikev2_prf_alg	ikev2_prf_algs []

---

Define Documentation

#define NUM_ENCR_ALGS   (sizeof(ikev2_encr_algs) / sizeof(ikev2_encr_algs[0]))

Definition at line 45 of file ikev2_common.c.

#define NUM_INTEG_ALGS   (sizeof(ikev2_integ_algs) / sizeof(ikev2_integ_algs[0]))

Definition at line 29 of file ikev2_common.c.

#define NUM_PRF_ALGS   (sizeof(ikev2_prf_algs) / sizeof(ikev2_prf_algs[0]))

Definition at line 37 of file ikev2_common.c.

---

Function Documentation

int ikev2_build_encrypted	(	int	encr_id,
		int	integ_id,
		struct ikev2_keys *	keys,
		int	initiator,
		struct wpabuf *	msg,
		struct wpabuf *	plain,
		u8	next_payload
	)

Definition at line 597 of file ikev2_common.c.

u8* ikev2_decrypt_payload	(	int	encr_id,
		int	integ_id,
		struct ikev2_keys *	keys,
		int	initiator,
		const struct ikev2_hdr *	hdr,
		const u8 *	encrypted,
		size_t	encrypted_len,
		size_t *	res_len
	)

Definition at line 495 of file ikev2_common.c.

int ikev2_derive_auth_data	(	int	prf_alg,
		const struct wpabuf *	sign_msg,
		const u8 *	ID,
		size_t	ID_len,
		u8	ID_type,
		struct ikev2_keys *	keys,
		int	initiator,
		const u8 *	shared_secret,
		size_t	shared_secret_len,
		const u8 *	nonce,
		size_t	nonce_len,
		const u8 *	key_pad,
		size_t	key_pad_len,
		u8 *	auth_data
	)

Definition at line 436 of file ikev2_common.c.

int ikev2_derive_sk_keys	(	const struct ikev2_prf_alg *	prf,
		const struct ikev2_integ_alg *	integ,
		const struct ikev2_encr_alg *	encr,
		const u8 *	skeyseed,
		const u8 *	data,
		size_t	data_len,
		struct ikev2_keys *	keys
	)

Definition at line 696 of file ikev2_common.c.

int ikev2_encr_decrypt	(	int	alg,
		const u8 *	key,
		size_t	key_len,
		const u8 *	iv,
		const u8 *	crypt,
		u8 *	plain,
		size_t	len
	)

Definition at line 253 of file ikev2_common.c.

int ikev2_encr_encrypt	(	int	alg,
		const u8 *	key,
		size_t	key_len,
		const u8 *	iv,
		const u8 *	plain,
		u8 *	crypt,
		size_t	len
	)

Definition at line 194 of file ikev2_common.c.

void ikev2_free_keys

(

struct ikev2_keys *

keys

)

Definition at line 682 of file ikev2_common.c.

struct ikev2_encr_alg* ikev2_get_encr

(

int

id

)

[read]

Definition at line 168 of file ikev2_common.c.

struct ikev2_integ_alg* ikev2_get_integ

(

int

id

)

[read]

Definition at line 48 of file ikev2_common.c.

struct ikev2_prf_alg* ikev2_get_prf

(

int

id

)

[read]

Definition at line 87 of file ikev2_common.c.

int ikev2_integ_hash	(	int	alg,
		const u8 *	key,
		size_t	key_len,
		const u8 *	data,
		size_t	data_len,
		u8 *	hash
	)

Definition at line 61 of file ikev2_common.c.

int ikev2_keys_set

(

struct ikev2_keys *

keys

)

Definition at line 675 of file ikev2_common.c.

int ikev2_parse_payloads	(	struct ikev2_payloads *	payloads,
		u8	next_payload,
		const u8 *	pos,
		const u8 *	end
	)

Definition at line 316 of file ikev2_common.c.

int ikev2_prf_hash	(	int	alg,
		const u8 *	key,
		size_t	key_len,
		size_t	num_elem,
		const u8 *	addr[],
		const size_t *	len,
		u8 *	hash
	)

Definition at line 100 of file ikev2_common.c.

int ikev2_prf_plus	(	int	alg,
		const u8 *	key,
		size_t	key_len,
		const u8 *	data,
		size_t	data_len,
		u8 *	out,
		size_t	out_len
	)

Definition at line 119 of file ikev2_common.c.

void ikev2_update_hdr

(

struct wpabuf *

msg

)

Definition at line 587 of file ikev2_common.c.

---

Variable Documentation

struct ikev2_encr_alg ikev2_encr_algs[] [static]

Initial value:

 {
        { ENCR_AES_CBC, 16, 16 }, 
        { ENCR_3DES, 24, 8 }
}

Definition at line 40 of file ikev2_common.c.

struct ikev2_integ_alg ikev2_integ_algs[] [static]

Initial value:

 {
        { AUTH_HMAC_SHA1_96, 20, 12 },
        { AUTH_HMAC_MD5_96, 16, 12 }
}

Definition at line 24 of file ikev2_common.c.

struct ikev2_prf_alg ikev2_prf_algs[] [static]

Initial value:

 {
        { PRF_HMAC_SHA1, 20, 20 },
        { PRF_HMAC_MD5, 16, 16 }
}

Definition at line 32 of file ikev2_common.c.