crypto.c File Reference

#include "crypto.h"
#include <string.h>

Include dependency graph for crypto.c:

Functions
void	wifi_sha1 (const uint8_t *msg, int len, uint8_t out[20])
void	wifi_hmac_sha1 (const uint8_t *key, int key_len, const uint8_t *msg, int msg_len, uint8_t out[20])
void	wifi_pbkdf2_sha1 (const uint8_t *pass, int pass_len, const uint8_t *salt, int salt_len, int rounds, uint8_t *out, int out_len)
void	wifi_sha1_prf (const uint8_t *key, int key_len, const char *label, const uint8_t *data, int data_len, uint8_t *out, int out_len)
void	wifi_aes_encrypt (const uint8_t key[16], const uint8_t in[16], uint8_t out[16])
int	wifi_aes_wrap (const uint8_t kek[16], const uint8_t *plain, int plain_len, uint8_t *out)
int	wifi_aes_unwrap (const uint8_t kek[16], const uint8_t *cipher, int cipher_len, uint8_t *out)
int	wifi_ccm_encrypt (const uint8_t key[16], const uint8_t nonce[13], const uint8_t *aad, int aad_len, const uint8_t *pt, int pt_len, uint8_t *ct_and_mic)
int	wifi_ccm_decrypt (const uint8_t key[16], const uint8_t nonce[13], const uint8_t *aad, int aad_len, const uint8_t *ct_and_mic, int ct_len, uint8_t *pt)

Function Documentation

wifi_aes_encrypt()

void wifi_aes_encrypt	(	const uint8_t	key[16],
		const uint8_t	in[16],
		uint8_t	out[16]
	)

wifi_aes_unwrap()

int wifi_aes_unwrap	(	const uint8_t	kek[16],
		const uint8_t *	cipher,
		int	cipher_len,
		uint8_t *	out
	)

wifi_aes_wrap()

int wifi_aes_wrap	(	const uint8_t	kek[16],
		const uint8_t *	plain,
		int	plain_len,
		uint8_t *	out
	)

wifi_ccm_decrypt()

int wifi_ccm_decrypt	(	const uint8_t	key[16],
		const uint8_t	nonce[13],
		const uint8_t *	aad,
		int	aad_len,
		const uint8_t *	ct_and_mic,
		int	ct_len,
		uint8_t *	pt
	)

wifi_ccm_encrypt()

int wifi_ccm_encrypt	(	const uint8_t	key[16],
		const uint8_t	nonce[13],
		const uint8_t *	aad,
		int	aad_len,
		const uint8_t *	pt,
		int	pt_len,
		uint8_t *	ct_and_mic
	)

wifi_hmac_sha1()

void wifi_hmac_sha1	(	const uint8_t *	key,
		int	key_len,
		const uint8_t *	msg,
		int	msg_len,
		uint8_t	out[20]
	)

wifi_pbkdf2_sha1()

void wifi_pbkdf2_sha1	(	const uint8_t *	pass,
		int	pass_len,
		const uint8_t *	salt,
		int	salt_len,
		int	rounds,
		uint8_t *	out,
		int	out_len
	)

wifi_sha1()

void wifi_sha1	(	const uint8_t *	msg,
		int	len,
		uint8_t	out[20]
	)

BSD 2-Clause License

Copyright (c) 2022-2026, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

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

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.

wifi_sha1_prf()

void wifi_sha1_prf	(	const uint8_t *	key,
		int	key_len,
		const char *	label,
		const uint8_t *	data,
		int	data_len,
		uint8_t *	out,
		int	out_len
	)