hmac.h File Reference

mbedTLS TLS backend: HMAC subset (HMAC-SHA256, one-shot + streaming). More...

#include <openssl/evp.h>
#include <stddef.h>

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Macros
#define	HMAC   cwist_mtls_HMAC
#define	HMAC_CTX_new   cwist_mtls_HMAC_CTX_new
#define	HMAC_CTX_free   cwist_mtls_HMAC_CTX_free
#define	HMAC_Init_ex   cwist_mtls_HMAC_Init_ex
#define	HMAC_Update   cwist_mtls_HMAC_Update
#define	HMAC_Final   cwist_mtls_HMAC_Final

Typedefs
typedef struct cwist_mtls_hmac_ctx	HMAC_CTX

Functions
unsigned char *	cwist_mtls_HMAC (const EVP_MD *md, const void *key, int key_len, const unsigned char *msg, size_t msg_len, unsigned char *out, unsigned int *out_len)
HMAC_CTX *	cwist_mtls_HMAC_CTX_new (void)
void	cwist_mtls_HMAC_CTX_free (HMAC_CTX *ctx)
int	cwist_mtls_HMAC_Init_ex (HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, void *engine)
int	cwist_mtls_HMAC_Update (HMAC_CTX *ctx, const unsigned char *data, size_t len)
int	cwist_mtls_HMAC_Final (HMAC_CTX *ctx, unsigned char *out, unsigned int *out_len)

Detailed Description

mbedTLS TLS backend: HMAC subset (HMAC-SHA256, one-shot + streaming).

Part of the CWIST TLS backend seam; see shim/openssl/ssl.h for the design. Backs signed session cookies (session.c), sequenced-chunk authentication (seq_auth.c) and JWT HS256.

Definition in file hmac.h.

Macro Definition Documentation

HMAC

#define HMAC   cwist_mtls_HMAC

Definition at line 21 of file hmac.h.

HMAC_CTX_free

#define HMAC_CTX_free   cwist_mtls_HMAC_CTX_free

Definition at line 23 of file hmac.h.

HMAC_CTX_new

#define HMAC_CTX_new   cwist_mtls_HMAC_CTX_new

Definition at line 22 of file hmac.h.

HMAC_Final

#define HMAC_Final   cwist_mtls_HMAC_Final

Definition at line 26 of file hmac.h.

HMAC_Init_ex

#define HMAC_Init_ex   cwist_mtls_HMAC_Init_ex

Definition at line 24 of file hmac.h.

HMAC_Update

#define HMAC_Update   cwist_mtls_HMAC_Update

Definition at line 25 of file hmac.h.

Typedef Documentation

HMAC_CTX

typedef struct cwist_mtls_hmac_ctx HMAC_CTX

Definition at line 19 of file hmac.h.

Function Documentation

cwist_mtls_HMAC()

unsigned char * cwist_mtls_HMAC	(	const EVP_MD *	md,
		const void *	key,
		int	key_len,
		const unsigned char *	msg,
		size_t	msg_len,
		unsigned char *	out,
		unsigned int *	out_len
	)

Definition at line 169 of file backend_mbedtls.c.

References cap.

cwist_mtls_HMAC_CTX_free()

void cwist_mtls_HMAC_CTX_free

(

HMAC_CTX *

ctx

)

Definition at line 196 of file backend_mbedtls.c.

References cap, and cwist_free().

cwist_mtls_HMAC_CTX_new()

HMAC_CTX * cwist_mtls_HMAC_CTX_new

(

void

)

Definition at line 189 of file backend_mbedtls.c.

References cap, and cwist_malloc().

cwist_mtls_HMAC_Final()

int cwist_mtls_HMAC_Final	(	HMAC_CTX *	ctx,
		unsigned char *	out,
		unsigned int *	out_len
	)

Definition at line 224 of file backend_mbedtls.c.

References cap.

cwist_mtls_HMAC_Init_ex()

int cwist_mtls_HMAC_Init_ex	(	HMAC_CTX *	ctx,
		const void *	key,
		int	key_len,
		const EVP_MD *	md,
		void *	engine
	)

Definition at line 202 of file backend_mbedtls.c.

References cap.

cwist_mtls_HMAC_Update()

int cwist_mtls_HMAC_Update	(	HMAC_CTX *	ctx,
		const unsigned char *	data,
		size_t	len
	)

Definition at line 219 of file backend_mbedtls.c.

References cap.