pairing_auth.h

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/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
 
#include <stddef.h>
#include <stdint.h>
#include <sys/cdefs.h>
 
#if !defined(__INTRODUCED_IN)
#define __INTRODUCED_IN(__api_level) /* nothing */
#endif
 
__BEGIN_DECLS
 
struct PairingAuthCtx;
typedef struct PairingAuthCtx PairingAuthCtx;
 
PairingAuthCtx* pairing_auth_server_new(const uint8_t* pswd, size_t len) __INTRODUCED_IN(30);
 
PairingAuthCtx* pairing_auth_client_new(const uint8_t* pswd, size_t len) __INTRODUCED_IN(30);
 
void pairing_auth_destroy(PairingAuthCtx* ctx) __INTRODUCED_IN(30);
 
size_t pairing_auth_msg_size(PairingAuthCtx* ctx) __INTRODUCED_IN(30);
 
void pairing_auth_get_spake2_msg(PairingAuthCtx* ctx, uint8_t* out_buf) __INTRODUCED_IN(30);
 
bool pairing_auth_init_cipher(PairingAuthCtx* ctx, const uint8_t* their_msg, size_t msg_len)
        __INTRODUCED_IN(30);
 
size_t pairing_auth_safe_encrypted_size(PairingAuthCtx* ctx, size_t len) __INTRODUCED_IN(30);
 
bool pairing_auth_encrypt(PairingAuthCtx* ctx, const uint8_t* inbuf, size_t inlen, uint8_t* outbuf,
                          size_t* outlen) __INTRODUCED_IN(30);
 
size_t pairing_auth_safe_decrypted_size(PairingAuthCtx* ctx, const uint8_t* buf, size_t len)
        __INTRODUCED_IN(30);
 
bool pairing_auth_decrypt(PairingAuthCtx* ctx, const uint8_t* inbuf, size_t inlen, uint8_t* outbuf,
                          size_t* outlen) __INTRODUCED_IN(30);
 
__END_DECLS