qcacmn: Add changes to support crypto API
Add support for hash, hmac-hash calculation and aead encryption and decryption. Change-Id: Idddcfaa2ec4c5689c997559551230bc8f59df032 CRs-Fixed: 2029962
This commit is contained in:
Kapil Gupta
committed by
Nandini Suresh
Nandini Suresh
parent
fad6d088fa
commit
830881389a
139
qdf/inc/qdf_crypto.h
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139
qdf/inc/qdf_crypto.h
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/*
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* Copyright (c) 2017 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: qdf_crypto.h
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* This file provides OS abstraction for crypto APIs.
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*/
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#if !defined(__QDF_CRYPTO_H)
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#define __QDF_CRYPTO_H
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/* Include Files */
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#include "qdf_status.h"
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#include <qdf_types.h>
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#include <qdf_trace.h>
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/* Preprocessor definitions and constants */
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define AES_BLOCK_SIZE 16
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#define HMAC_SHA256_CRYPTO_TYPE "hmac(sha256)"
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#define HMAC_SHA386_CRYPTO_TYPE "hmac(sha384)"
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#define SHA256_CRYPTO_TYPE "sha256"
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#define SHA386_CRYPTO_TYPE "sha384"
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#define SHA256_DIGEST_SIZE 32
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#define SHA384_DIGEST_SIZE 48
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#define FIXED_PARAM_OFFSET_ASSOC_REQ 4
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#define FIXED_PARAM_OFFSET_ASSOC_RSP 6
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/* Function declarations and documenation */
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/**
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* qdf_get_hash: API to get hash using specific crypto and scatterlist
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* @type: crypto type
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* @element_cnt: scatterlist element count
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* @addr: scatterlist element array
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* @addr_len: element length array
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* @hash: new hash
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*
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* Return: 0 if success else error code
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*/
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int qdf_get_hash(uint8_t *type, uint8_t element_cnt,
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uint8_t *addr[], uint32_t *addr_len,
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int8_t *hash);
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/**
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* qdf_get_hmac_hash: API to get hmac hash using specific crypto and
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* scatterlist elements.
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* @type: crypto type
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* @key: key needs to be used for hmac api
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* @keylen: length of key
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* @element_cnt: scatterlist element count
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* @addr: scatterlist element array
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* @addr_len: element length array
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* @hash: new hash
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*
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* Return: 0 if success else error code
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*/
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int qdf_get_hmac_hash(uint8_t *type, uint8_t *key,
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uint32_t keylen, uint8_t element_cnt,
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uint8_t *addr[], uint32_t *addr_len, int8_t *hash);
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/**
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* qdf_get_keyed_hash: API to get hash using specific crypto and
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* scatterlist elements.
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* @type: crypto type
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* @key: key needs to be used for hmac api
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* @keylen: length of key
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* @element_cnt: scatterlist element count
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* @addr: scatterlist element array
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* @addr_len: element length array
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* @hash: new hash
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*
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* Return: 0 if success else error code
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*/
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int qdf_get_keyed_hash(const char *alg, const uint8_t *key,
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unsigned int key_len, const uint8_t *src[],
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size_t *src_len, size_t num_elements, uint8_t *out);
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/**
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* qdf_update_dbl: This API does the doubling operation as defined in RFC5297
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* @d: input for doubling
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*
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* Return: None
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*/
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void qdf_update_dbl(uint8_t *d);
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/**
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* qdf_aes_s2v: This API gets vector from AES string as defined in RFC5297
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* output length will be AES_BLOCK_SIZE.
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* @key: key used for operation
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* @key_len: key len
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* @s: addresses of elements to be used
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* @s_len: array of element length
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* @num_s: number of elements
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* @out: pointer to output vector
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*
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* Return: 0 if success else Error number
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*/
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int qdf_aes_s2v(const uint8_t *key, unsigned int key_len, const uint8_t *s[],
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size_t s_len[], size_t num_s, uint8_t *out);
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/**
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* qdf_aes_ctr: This API defines AES Counter Mode
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* @key: key used for operation
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* @key_len: key len
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* @siv: Initialization vector
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* @src: input
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* @src_len: input len
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* @dest: output
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* @enc: if encryption needs to be done or decryption
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*
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* Return: 0 if success else Error number
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*/
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int qdf_aes_ctr(const uint8_t *key, unsigned int key_len, uint8_t *siv,
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const uint8_t *src, size_t src_len, uint8_t *dest, bool enc);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __QDF_CRYPTO_H */
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