1*0f4c859eSApple OSS Distributions /* 2*0f4c859eSApple OSS Distributions * Copyright (c) 2017, 2022-2023 Apple Inc. All rights reserved. 3*0f4c859eSApple OSS Distributions * 4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*0f4c859eSApple OSS Distributions * 6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*0f4c859eSApple OSS Distributions * 15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at 16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*0f4c859eSApple OSS Distributions * 18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are 19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and 24*0f4c859eSApple OSS Distributions * limitations under the License. 25*0f4c859eSApple OSS Distributions * 26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*0f4c859eSApple OSS Distributions */ 28*0f4c859eSApple OSS Distributions 29*0f4c859eSApple OSS Distributions #include <sys/appleapiopts.h> 30*0f4c859eSApple OSS Distributions 31*0f4c859eSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 32*0f4c859eSApple OSS Distributions 33*0f4c859eSApple OSS Distributions #ifndef _ESP_CHACHA_POLY_H_ 34*0f4c859eSApple OSS Distributions #define _ESP_CHACHA_POLY_H_ 35*0f4c859eSApple OSS Distributions 36*0f4c859eSApple OSS Distributions #define ESP_CHACHAPOLY_PAD_BOUND 1 37*0f4c859eSApple OSS Distributions #define ESP_CHACHAPOLY_IV_LEN 8 38*0f4c859eSApple OSS Distributions #define ESP_CHACHAPOLY_ICV_LEN 16 39*0f4c859eSApple OSS Distributions #define ESP_CHACHAPOLY_KEYBITS_WITH_SALT 288 /* 32 bytes key + 4 bytes salt */ 40*0f4c859eSApple OSS Distributions 41*0f4c859eSApple OSS Distributions size_t esp_chachapoly_schedlen(const struct esp_algorithm *); 42*0f4c859eSApple OSS Distributions int esp_chachapoly_schedule(const struct esp_algorithm *, 43*0f4c859eSApple OSS Distributions struct secasvar *); 44*0f4c859eSApple OSS Distributions int esp_chachapoly_encrypt(struct mbuf *, size_t, size_t, struct secasvar *, 45*0f4c859eSApple OSS Distributions const struct esp_algorithm *, int); 46*0f4c859eSApple OSS Distributions int esp_chachapoly_decrypt(struct mbuf *, size_t, struct secasvar *, 47*0f4c859eSApple OSS Distributions const struct esp_algorithm *, int); 48*0f4c859eSApple OSS Distributions int esp_chachapoly_encrypt_data(struct secasvar *, uint8_t *, size_t, 49*0f4c859eSApple OSS Distributions struct newesp *, uint8_t *, size_t, uint8_t *, size_t); 50*0f4c859eSApple OSS Distributions int esp_chachapoly_decrypt_data(struct secasvar *, uint8_t *, size_t, 51*0f4c859eSApple OSS Distributions struct newesp *, uint8_t *, size_t, uint8_t *, size_t); 52*0f4c859eSApple OSS Distributions int esp_chachapoly_encrypt_finalize(struct secasvar *, unsigned char *, size_t); 53*0f4c859eSApple OSS Distributions int esp_chachapoly_decrypt_finalize(struct secasvar *, unsigned char *, size_t); 54*0f4c859eSApple OSS Distributions int esp_chachapoly_mature(struct secasvar *); 55*0f4c859eSApple OSS Distributions int esp_chachapoly_ivlen(const struct esp_algorithm *, struct secasvar *); 56*0f4c859eSApple OSS Distributions 57*0f4c859eSApple OSS Distributions #endif /* _ESP_CHACHA_POLY_H_ */ 58*0f4c859eSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 59