1 /* 2 * Copyright (c) 2017 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef _CHACHA20POLY1305_H 30 #define _CHACHA20POLY1305_H 31 32 #if defined(__cplusplus) 33 extern "C" 34 { 35 #endif 36 37 #include <corecrypto/ccchacha20poly1305.h> 38 39 typedef ccchacha20poly1305_ctx chacha20poly1305_ctx; 40 41 int chacha20poly1305_init(chacha20poly1305_ctx *ctx, const uint8_t *key); 42 int chacha20poly1305_reset(chacha20poly1305_ctx *ctx); 43 int chacha20poly1305_setnonce(chacha20poly1305_ctx *ctx, const uint8_t *nonce); 44 int chacha20poly1305_incnonce(chacha20poly1305_ctx *ctx, uint8_t *nonce); 45 int chacha20poly1305_aad(chacha20poly1305_ctx *ctx, size_t nbytes, const void *aad); 46 int chacha20poly1305_encrypt(chacha20poly1305_ctx *ctx, size_t nbytes, const void *ptext, void *ctext); 47 int chacha20poly1305_finalize(chacha20poly1305_ctx *ctx, uint8_t *tag); 48 int chacha20poly1305_decrypt(chacha20poly1305_ctx *ctx, size_t nbytes, const void *ctext, void *ptext); 49 int chacha20poly1305_verify(chacha20poly1305_ctx *ctx, const uint8_t *tag); 50 51 #if defined(__cplusplus) 52 } 53 #endif 54 55 #endif 56