eap_pwd.c File Reference

#include <freeradius-devel/server/base.h>
#include <freeradius-devel/tls/base.h>
#include <freeradius-devel/server/module_rlm.h>
#include "eap_pwd.h"
#include "const_time.h"

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Functions
int	compute_keys (UNUSED request_t *request, pwd_session_t *session, uint8_t *peer_confirm, uint8_t *msk, uint8_t *emsk)
int	compute_password_element (request_t *request, pwd_session_t *session, uint16_t grp_num, char const *password, int password_len, char const *id_server, int id_server_len, char const *id_peer, int id_peer_len, uint32_t *token, BN_CTX *bnctx)
int	compute_peer_confirm (request_t *request, pwd_session_t *session, uint8_t *out, BN_CTX *bn_ctx)
int	compute_scalar_element (request_t *request, pwd_session_t *session, BN_CTX *bn_ctx)
int	compute_server_confirm (request_t *request, pwd_session_t *session, uint8_t *out, BN_CTX *bn_ctx)
static BIGNUM *	consttime_BN (void)
static void	do_equation (EC_GROUP *group, BIGNUM *y2, BIGNUM *x, BN_CTX *bnctx)
static void	eap_pwd_kdf (uint8_t *key, int keylen, char const *label, int label_len, uint8_t *result, int result_bit_len)
static int	is_quadratic_residue (BIGNUM *val, BIGNUM *p, BIGNUM *qr, BIGNUM *qnr, BN_CTX *bnctx)
static int	legendre (BIGNUM *a, BIGNUM *p, BN_CTX *bnctx)
int	process_peer_commit (request_t *request, pwd_session_t *session, uint8_t *in, size_t in_len, BN_CTX *bn_ctx)
static void	pwd_hmac_final (EVP_MD_CTX *hmac_ctx, uint8_t digest[static SHA256_DIGEST_LENGTH])

Variables
static USES_APPLE_DEPRECATED_API uint8_t	allzero [SHA256_DIGEST_LENGTH] = { 0x00 }
	copyright holder grants permission for redistribution and use in source and binary forms, with or without modification, provided that the following conditions are met: More...

Function Documentation

compute_keys()

int compute_keys	(	UNUSED request_t *	request,
		pwd_session_t *	session,
		uint8_t *	peer_confirm,
		uint8_t *	msk,
		uint8_t *	emsk
	)

Definition at line 889 of file eap_pwd.c.

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compute_password_element()

int compute_password_element	(	request_t *	request,
		pwd_session_t *	session,
		uint16_t	grp_num,
		char const *	password,
		int	password_len,
		char const *	id_server,
		int	id_server_len,
		char const *	id_peer,
		int	id_peer_len,
		uint32_t *	token,
		BN_CTX *	bnctx
	)

Definition at line 253 of file eap_pwd.c.

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compute_peer_confirm()

int compute_peer_confirm	(	request_t *	request,
		pwd_session_t *	session,
		uint8_t *	out,
		BN_CTX *	bn_ctx
	)

Definition at line 787 of file eap_pwd.c.

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compute_scalar_element()

int compute_scalar_element	(	request_t *	request,
		pwd_session_t *	session,
		BN_CTX *	bn_ctx
	)

Definition at line 518 of file eap_pwd.c.

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compute_server_confirm()

int compute_server_confirm	(	request_t *	request,
		pwd_session_t *	session,
		uint8_t *	out,
		BN_CTX *	bn_ctx
	)

Definition at line 684 of file eap_pwd.c.

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consttime_BN()

static BIGNUM* consttime_BN ( void  )

static

Definition at line 102 of file eap_pwd.c.

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do_equation()

static void do_equation ( EC_GROUP *  group, BIGNUM *  y2, BIGNUM *  x, BN_CTX *  bnctx  )

static

Definition at line 143 of file eap_pwd.c.

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eap_pwd_kdf()

static void eap_pwd_kdf ( uint8_t *  key, int  keylen, char const *  label, int  label_len, uint8_t *  result, int  result_bit_len  )

static

Definition at line 56 of file eap_pwd.c.

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is_quadratic_residue()

static int is_quadratic_residue ( BIGNUM *  val, BIGNUM *  p, BIGNUM *  qr, BIGNUM *  qnr, BN_CTX *  bnctx  )

static

Definition at line 174 of file eap_pwd.c.

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legendre()

static int legendre ( BIGNUM *  a, BIGNUM *  p, BN_CTX *  bnctx  )

static

Definition at line 114 of file eap_pwd.c.

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process_peer_commit()

int process_peer_commit	(	request_t *	request,
		pwd_session_t *	session,
		uint8_t *	in,
		size_t	in_len,
		BN_CTX *	bn_ctx
	)

Definition at line 558 of file eap_pwd.c.

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pwd_hmac_final()

static void pwd_hmac_final ( EVP_MD_CTX *  hmac_ctx, uint8_t  digest[static SHA256_DIGEST_LENGTH]  )

static

Definition at line 47 of file eap_pwd.c.

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Variable Documentation

allzero

USES_APPLE_DEPRECATED_API uint8_t allzero[SHA256_DIGEST_LENGTH] = { 0x00 }

static

copyright holder grants permission for redistribution and use in source and binary forms, with or without modification, provided that the following conditions are met:

1. Redistribution of source code must retain the above copyright notice, this list of conditions, and the following disclaimer in all source files.
2. Redistribution in binary form must retain the above copyright notice, this list of conditions, and the following disclaimer in the documentation and/or other materials provided with the distribution.

"DISCLAIMER OF LIABILITY

THIS SOFTWARE IS PROVIDED BY DAN HARKINS `‘AS IS’' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INDUSTRIAL LOUNGE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."

This license and distribution terms cannot be changed. In other words, this code cannot simply be copied and put under a different distribution license (including the GNU public license).

Copyright

(c) Dan Harkins, 2012

Definition at line 44 of file eap_pwd.c.