wireguard_noise.h File Reference

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Data Structures
struct	noise_handshake
struct	noise_counter
struct	noise_keypair
struct	noise_remote
struct	noise_local
struct	noise_local::noise_upcall

Macros
#define	NOISE_PUBLIC_KEY_LEN   CURVE25519_KEY_SIZE
#define	NOISE_SYMMETRIC_KEY_LEN   32
#define	NOISE_TIMESTAMP_LEN   (sizeof(uint64_t) + sizeof(uint32_t))
#define	NOISE_AUTHTAG_LEN   16
#define	NOISE_HASH_LEN   BLAKE2S_HASH_SIZE
#define	NOISE_HANDSHAKE_NAME   "Noise_IKpsk2_25519_ChaChaPoly_BLAKE2s"
#define	NOISE_IDENTIFIER_NAME   "WireGuard v1 zx2c4 Jason@zx2c4.com"
#define	COUNTER_BITS_TOTAL   8192
#define	COUNTER_BITS   (sizeof(unsigned long) * 8)
#define	COUNTER_NUM   (COUNTER_BITS_TOTAL / COUNTER_BITS)
#define	COUNTER_WINDOW_SIZE   (COUNTER_BITS_TOTAL - COUNTER_BITS)
#define	REKEY_AFTER_MESSAGES   (1ull << 60)
#define	REJECT_AFTER_MESSAGES   (UINT64_MAX - COUNTER_WINDOW_SIZE - 1)
#define	REKEY_AFTER_TIME   120
#define	REKEY_AFTER_TIME_RECV   165
#define	REJECT_AFTER_TIME   180
#define	REJECT_INTERVAL   (0.02) /* fifty times per sec */
#define	REJECT_INTERVAL_MASK   (~((1ull<<24)-1))

Typedefs
typedef struct noise_handshake	noise_handshake_t
typedef struct noise_counter	noise_counter_t
typedef struct noise_keypair	noise_keypair_t
typedef struct noise_local	noise_local_t
typedef struct noise_remote	noise_remote_t

Enumerations
enum	noise_state_crypt { SC_OK = 0, SC_CONN_RESET, SC_KEEP_KEY_FRESH, SC_FAILED }
enum	noise_state_hs {   HS_ZEROED = 0, CREATED_INITIATION, CONSUMED_INITIATION, CREATED_RESPONSE,   CONSUMED_RESPONSE }

Functions
static_always_inline noise_local_t *	noise_local_get (uint32_t locali)
void	noise_local_init (noise_local_t *, struct noise_upcall *)
bool	noise_local_set_private (noise_local_t *, const uint8_t[NOISE_PUBLIC_KEY_LEN])
void	noise_remote_init (noise_remote_t *, uint32_t, const uint8_t[NOISE_PUBLIC_KEY_LEN], uint32_t)
void	noise_remote_precompute (noise_remote_t *)
bool	noise_create_initiation (vlib_main_t *vm, noise_remote_t *, uint32_t *s_idx, uint8_t ue[NOISE_PUBLIC_KEY_LEN], uint8_t es[NOISE_PUBLIC_KEY_LEN+NOISE_AUTHTAG_LEN], uint8_t ets[NOISE_TIMESTAMP_LEN+NOISE_AUTHTAG_LEN])
bool	noise_consume_initiation (vlib_main_t *vm, noise_local_t *, noise_remote_t **, uint32_t s_idx, uint8_t ue[NOISE_PUBLIC_KEY_LEN], uint8_t es[NOISE_PUBLIC_KEY_LEN+NOISE_AUTHTAG_LEN], uint8_t ets[NOISE_TIMESTAMP_LEN+NOISE_AUTHTAG_LEN])
bool	noise_create_response (vlib_main_t *vm, noise_remote_t *, uint32_t *s_idx, uint32_t *r_idx, uint8_t ue[NOISE_PUBLIC_KEY_LEN], uint8_t en[0+NOISE_AUTHTAG_LEN])
bool	noise_consume_response (vlib_main_t *vm, noise_remote_t *, uint32_t s_idx, uint32_t r_idx, uint8_t ue[NOISE_PUBLIC_KEY_LEN], uint8_t en[0+NOISE_AUTHTAG_LEN])
bool	noise_remote_begin_session (vlib_main_t *vm, noise_remote_t *r)
void	noise_remote_clear (vlib_main_t *vm, noise_remote_t *r)
void	noise_remote_expire_current (noise_remote_t *r)
bool	noise_remote_ready (noise_remote_t *)
enum noise_state_crypt	noise_remote_encrypt (vlib_main_t *vm, noise_remote_t *, uint32_t *r_idx, uint64_t *nonce, uint8_t *src, size_t srclen, uint8_t *dst)
enum noise_state_crypt	noise_remote_decrypt (vlib_main_t *vm, noise_remote_t *, uint32_t r_idx, uint64_t nonce, uint8_t *src, size_t srclen, uint8_t *dst)

Variables
noise_local_t *	noise_local_pool

Macro Definition Documentation

COUNTER_BITS

#define COUNTER_BITS   (sizeof(unsigned long) * 8)

Definition at line 38 of file wireguard_noise.h.

COUNTER_BITS_TOTAL

#define COUNTER_BITS_TOTAL   8192

Definition at line 37 of file wireguard_noise.h.

COUNTER_NUM

#define COUNTER_NUM   (COUNTER_BITS_TOTAL / COUNTER_BITS)

Definition at line 39 of file wireguard_noise.h.

COUNTER_WINDOW_SIZE

#define COUNTER_WINDOW_SIZE   (COUNTER_BITS_TOTAL - COUNTER_BITS)

Definition at line 40 of file wireguard_noise.h.

NOISE_AUTHTAG_LEN

#define NOISE_AUTHTAG_LEN   16

Definition at line 29 of file wireguard_noise.h.

NOISE_HANDSHAKE_NAME

#define NOISE_HANDSHAKE_NAME   "Noise_IKpsk2_25519_ChaChaPoly_BLAKE2s"

Definition at line 33 of file wireguard_noise.h.

NOISE_HASH_LEN

#define NOISE_HASH_LEN   BLAKE2S_HASH_SIZE

Definition at line 30 of file wireguard_noise.h.

NOISE_IDENTIFIER_NAME

#define NOISE_IDENTIFIER_NAME   "WireGuard v1 zx2c4 Jason@zx2c4.com"

Definition at line 34 of file wireguard_noise.h.

NOISE_PUBLIC_KEY_LEN

#define NOISE_PUBLIC_KEY_LEN   CURVE25519_KEY_SIZE

Definition at line 26 of file wireguard_noise.h.

NOISE_SYMMETRIC_KEY_LEN

#define NOISE_SYMMETRIC_KEY_LEN   32

Definition at line 27 of file wireguard_noise.h.

NOISE_TIMESTAMP_LEN

#define NOISE_TIMESTAMP_LEN   (sizeof(uint64_t) + sizeof(uint32_t))

Definition at line 28 of file wireguard_noise.h.

REJECT_AFTER_MESSAGES

#define REJECT_AFTER_MESSAGES   (UINT64_MAX - COUNTER_WINDOW_SIZE - 1)

Definition at line 44 of file wireguard_noise.h.

REJECT_AFTER_TIME

#define REJECT_AFTER_TIME   180

Definition at line 47 of file wireguard_noise.h.

REJECT_INTERVAL

#define REJECT_INTERVAL   (0.02) /* fifty times per sec */

Definition at line 48 of file wireguard_noise.h.

REJECT_INTERVAL_MASK

#define REJECT_INTERVAL_MASK   (~((1ull<<24)-1))

Definition at line 50 of file wireguard_noise.h.

REKEY_AFTER_MESSAGES

#define REKEY_AFTER_MESSAGES   (1ull << 60)

Definition at line 43 of file wireguard_noise.h.

REKEY_AFTER_TIME

#define REKEY_AFTER_TIME   120

Definition at line 45 of file wireguard_noise.h.

REKEY_AFTER_TIME_RECV

#define REKEY_AFTER_TIME_RECV   165

Definition at line 46 of file wireguard_noise.h.

Typedef Documentation

noise_counter_t

typedef struct noise_counter noise_counter_t

noise_handshake_t

typedef struct noise_handshake noise_handshake_t

noise_keypair_t

typedef struct noise_keypair noise_keypair_t

noise_local_t

typedef struct noise_local noise_local_t

Definition at line 98 of file wireguard_noise.h.

noise_remote_t

typedef struct noise_remote noise_remote_t

Enumeration Type Documentation

noise_state_crypt

enum noise_state_crypt

Enumerator
SC_OK
SC_CONN_RESET
SC_KEEP_KEY_FRESH
SC_FAILED

Definition at line 52 of file wireguard_noise.h.

noise_state_hs

enum noise_state_hs

Enumerator
HS_ZEROED
CREATED_INITIATION
CONSUMED_INITIATION
CREATED_RESPONSE
CONSUMED_RESPONSE

Definition at line 60 of file wireguard_noise.h.

Function Documentation

noise_consume_initiation()

bool noise_consume_initiation	(	vlib_main_t *	vm,
		noise_local_t *	,
		noise_remote_t **	,
		uint32_t	s_idx,
		uint8_t	ue[NOISE_PUBLIC_KEY_LEN],
		uint8_t	es[NOISE_PUBLIC_KEY_LEN+NOISE_AUTHTAG_LEN],
		uint8_t	ets[NOISE_TIMESTAMP_LEN+NOISE_AUTHTAG_LEN]
	)

Definition at line 170 of file wireguard_noise.c.

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noise_consume_response()

bool noise_consume_response	(	vlib_main_t *	vm,
		noise_remote_t *	,
		uint32_t	s_idx,
		uint32_t	r_idx,
		uint8_t	ue[NOISE_PUBLIC_KEY_LEN],
		uint8_t	en[0+NOISE_AUTHTAG_LEN]
	)

Definition at line 307 of file wireguard_noise.c.

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noise_create_initiation()

bool noise_create_initiation	(	vlib_main_t *	vm,
		noise_remote_t *	,
		uint32_t *	s_idx,
		uint8_t	ue[NOISE_PUBLIC_KEY_LEN],
		uint8_t	es[NOISE_PUBLIC_KEY_LEN+NOISE_AUTHTAG_LEN],
		uint8_t	ets[NOISE_TIMESTAMP_LEN+NOISE_AUTHTAG_LEN]
	)

Definition at line 118 of file wireguard_noise.c.

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noise_create_response()

bool noise_create_response	(	vlib_main_t *	vm,
		noise_remote_t *	,
		uint32_t *	s_idx,
		uint32_t *	r_idx,
		uint8_t	ue[NOISE_PUBLIC_KEY_LEN],
		uint8_t	en[0+NOISE_AUTHTAG_LEN]
	)

Definition at line 254 of file wireguard_noise.c.

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noise_local_get()

static_always_inline noise_local_t* noise_local_get

(

uint32_t

locali

)

Definition at line 134 of file wireguard_noise.h.

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noise_local_init()

void noise_local_init	(	noise_local_t *	,
		struct noise_upcall *
	)

Definition at line 74 of file wireguard_noise.c.

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noise_local_set_private()

bool noise_local_set_private	(	noise_local_t *	,
		const uint8_t	[NOISE_PUBLIC_KEY_LEN]
	)

Definition at line 81 of file wireguard_noise.c.

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noise_remote_begin_session()

bool noise_remote_begin_session	(	vlib_main_t *	vm,
		noise_remote_t *	r
	)

Definition at line 368 of file wireguard_noise.c.

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noise_remote_clear()

void noise_remote_clear	(	vlib_main_t *	vm,
		noise_remote_t *	r
	)

Definition at line 450 of file wireguard_noise.c.

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noise_remote_decrypt()

enum noise_state_crypt noise_remote_decrypt	(	vlib_main_t *	vm,
		noise_remote_t *	,
		uint32_t	r_idx,
		uint64_t	nonce,
		uint8_t *	src,
		size_t	srclen,
		uint8_t *	dst
	)

Definition at line 596 of file wireguard_noise.c.

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noise_remote_encrypt()

enum noise_state_crypt noise_remote_encrypt	(	vlib_main_t *	vm,
		noise_remote_t *	,
		uint32_t *	r_idx,
		uint64_t *	nonce,
		uint8_t *	src,
		size_t	srclen,
		uint8_t *	dst
	)

Definition at line 544 of file wireguard_noise.c.

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noise_remote_expire_current()

void noise_remote_expire_current

(

noise_remote_t *

r

)

Definition at line 466 of file wireguard_noise.c.

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noise_remote_init()

void noise_remote_init	(	noise_remote_t *	,
		uint32_t	,
		const uint8_t	[NOISE_PUBLIC_KEY_LEN],
		uint32_t
	)

noise_remote_precompute()

void noise_remote_precompute

(

noise_remote_t *

)

Definition at line 105 of file wireguard_noise.c.

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noise_remote_ready()

bool noise_remote_ready

(

noise_remote_t *

)

Definition at line 477 of file wireguard_noise.c.

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Variable Documentation

noise_local_pool

noise_local_t* noise_local_pool

Definition at line 29 of file wireguard_noise.c.