gems-kernel/source/THIRDPARTY/xnu/bsd/netinet6/esp_chachapoly.h
2024-06-03 11:29:39 -05:00

58 lines
2.6 KiB
C

/*
* Copyright (c) 2017, 2022-2023 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <sys/appleapiopts.h>
#ifdef BSD_KERNEL_PRIVATE
#ifndef _ESP_CHACHA_POLY_H_
#define _ESP_CHACHA_POLY_H_
#define ESP_CHACHAPOLY_PAD_BOUND 1
#define ESP_CHACHAPOLY_IV_LEN 8
#define ESP_CHACHAPOLY_ICV_LEN 16
#define ESP_CHACHAPOLY_KEYBITS_WITH_SALT 288 /* 32 bytes key + 4 bytes salt */
size_t esp_chachapoly_schedlen(const struct esp_algorithm *);
int esp_chachapoly_schedule(const struct esp_algorithm *,
struct secasvar *);
int esp_chachapoly_encrypt(struct mbuf *, size_t, size_t, struct secasvar *,
const struct esp_algorithm *, int);
int esp_chachapoly_decrypt(struct mbuf *, size_t, struct secasvar *,
const struct esp_algorithm *, int);
int esp_chachapoly_encrypt_data(struct secasvar *, uint8_t *, size_t,
struct newesp *, uint8_t *, size_t, uint8_t *, size_t);
int esp_chachapoly_decrypt_data(struct secasvar *, uint8_t *, size_t,
struct newesp *, uint8_t *, size_t, uint8_t *, size_t);
int esp_chachapoly_encrypt_finalize(struct secasvar *, unsigned char *, size_t);
int esp_chachapoly_decrypt_finalize(struct secasvar *, unsigned char *, size_t);
int esp_chachapoly_mature(struct secasvar *);
int esp_chachapoly_ivlen(const struct esp_algorithm *, struct secasvar *);
#endif /* _ESP_CHACHA_POLY_H_ */
#endif /* BSD_KERNEL_PRIVATE */