blob: 617ccb01de8eb1027766c9b0a748f3ad7040da35 [file] [log] [blame]
/*
* Copyright (c) 2017 The Linux Foundation. All rights reserved.
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: qdf_crypto.h
* This file provides OS abstraction for crypto APIs.
*/
#if !defined(__QDF_CRYPTO_H)
#define __QDF_CRYPTO_H
/* Include Files */
#include "vos_status.h"
#include <vos_types.h>
#include <vos_trace.h>
#include <crypto/hash.h>
#include <crypto/aes.h>
#include <crypto/skcipher.h>
#include <crypto/sha.h>
/* Preprocessor definitions and constants */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define AES_BLOCK_SIZE 16
#define HMAC_SHA256_CRYPTO_TYPE "hmac(sha256)"
#define HMAC_SHA386_CRYPTO_TYPE "hmac(sha384)"
#define SHA256_CRYPTO_TYPE "sha256"
#define SHA386_CRYPTO_TYPE "sha384"
#define SHA256_DIGEST_SIZE 32
#define SHA384_DIGEST_SIZE 48
#define FIXED_PARAM_OFFSET_ASSOC_REQ 4
#define FIXED_PARAM_OFFSET_ASSOC_RSP 6
#define QDF_MAC_ADDR_SIZE (6)
/* Function declarations and documenation */
/**
* qdf_get_hash: API to get hash using specific crypto and scatterlist
* @type: crypto type
* @element_cnt: scatterlist element count
* @addr: scatterlist element array
* @addr_len: element length array
* @hash: new hash
*
* Return: 0 if success else error code
*/
int qdf_get_hash(uint8_t *type, uint8_t element_cnt,
uint8_t *addr[], uint32_t *addr_len,
int8_t *hash);
/**
* qdf_get_hmac_hash: API to get hmac hash using specific crypto and
* scatterlist elements.
* @type: crypto type
* @key: key needs to be used for hmac api
* @keylen: length of key
* @element_cnt: scatterlist element count
* @addr: scatterlist element array
* @addr_len: element length array
* @hash: new hash
*
* Return: 0 if success else error code
*/
int qdf_get_hmac_hash(uint8_t *type, uint8_t *key,
uint32_t keylen, uint8_t element_cnt,
uint8_t *addr[], uint32_t *addr_len, int8_t *hash);
/**
* qdf_get_keyed_hash: API to get hash using specific crypto and
* scatterlist elements.
* @type: crypto type
* @key: key needs to be used for hmac api
* @keylen: length of key
* @element_cnt: scatterlist element count
* @addr: scatterlist element array
* @addr_len: element length array
* @hash: new hash
*
* Return: 0 if success else error code
*/
int qdf_get_keyed_hash(const char *alg, const uint8_t *key,
unsigned int key_len, const uint8_t *src[],
size_t *src_len, size_t num_elements, uint8_t *out);
/**
* qdf_update_dbl: This API does the doubling operation as defined in RFC5297
* @d: input for doubling
*
* Return: None
*/
void qdf_update_dbl(uint8_t *d);
/**
* qdf_aes_s2v: This API gets vector from AES string as defined in RFC5297
* output length will be AES_BLOCK_SIZE.
* @key: key used for operation
* @key_len: key len
* @s: addresses of elements to be used
* @s_len: array of element length
* @num_s: number of elements
* @out: pointer to output vector
*
* Return: 0 if success else Error number
*/
int qdf_aes_s2v(const uint8_t *key, unsigned int key_len, const uint8_t *s[],
size_t s_len[], size_t num_s, uint8_t *out);
/**
* qdf_aes_ctr: This API defines AES Counter Mode
* @key: key used for operation
* @key_len: key len
* @siv: Initialization vector
* @src: input
* @src_len: input len
* @dest: output
* @enc: if encryption needs to be done or decryption
*
* Return: 0 if success else Error number
*/
int qdf_aes_ctr(const uint8_t *key, unsigned int key_len, uint8_t *siv,
const uint8_t *src, size_t src_len, uint8_t *dest, bool enc);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __QDF_CRYPTO_H */