| 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 | #include <corecrypto/ccchacha20poly1305.h> |
| 30 | #include <libkern/crypto/crypto_internal.h> |
| 31 | #include <libkern/crypto/chacha20poly1305.h> |
| 32 | |
| 33 | static ccchacha20poly1305_fns_t |
| 34 | fns(void) |
| 35 | { |
| 36 | return g_crypto_funcs->ccchacha20poly1305_fns; |
| 37 | } |
| 38 | |
| 39 | static const struct ccchacha20poly1305_info * |
| 40 | info(void) |
| 41 | { |
| 42 | return fns()->info(); |
| 43 | } |
| 44 | |
| 45 | int |
| 46 | chacha20poly1305_init(chacha20poly1305_ctx *ctx, const uint8_t *key) |
| 47 | { |
| 48 | return fns()->init(info(), ctx, key); |
| 49 | } |
| 50 | |
| 51 | int |
| 52 | chacha20poly1305_reset(chacha20poly1305_ctx *ctx) |
| 53 | { |
| 54 | return fns()->reset(info(), ctx); |
| 55 | } |
| 56 | |
| 57 | int |
| 58 | chacha20poly1305_setnonce(chacha20poly1305_ctx *ctx, const uint8_t *nonce) |
| 59 | { |
| 60 | return fns()->setnonce(info(), ctx, nonce); |
| 61 | } |
| 62 | |
| 63 | int |
| 64 | chacha20poly1305_incnonce(chacha20poly1305_ctx *ctx, uint8_t *nonce) |
| 65 | { |
| 66 | return fns()->incnonce(info(), ctx, nonce); |
| 67 | } |
| 68 | |
| 69 | int |
| 70 | chacha20poly1305_aad(chacha20poly1305_ctx *ctx, size_t nbytes, const void *aad) |
| 71 | { |
| 72 | return fns()->aad(info(), ctx, nbytes, aad); |
| 73 | } |
| 74 | |
| 75 | int |
| 76 | chacha20poly1305_encrypt(chacha20poly1305_ctx *ctx, size_t nbytes, const void *ptext, void *ctext) |
| 77 | { |
| 78 | return fns()->encrypt(info(), ctx, nbytes, ptext, ctext); |
| 79 | } |
| 80 | |
| 81 | int |
| 82 | chacha20poly1305_finalize(chacha20poly1305_ctx *ctx, uint8_t *tag) |
| 83 | { |
| 84 | return fns()->finalize(info(), ctx, tag); |
| 85 | } |
| 86 | |
| 87 | int |
| 88 | chacha20poly1305_decrypt(chacha20poly1305_ctx *ctx, size_t nbytes, const void *ctext, void *ptext) |
| 89 | { |
| 90 | return fns()->decrypt(info(), ctx, nbytes, ctext, ptext); |
| 91 | } |
| 92 | |
| 93 | int |
| 94 | chacha20poly1305_verify(chacha20poly1305_ctx *ctx, const uint8_t *tag) |
| 95 | { |
| 96 | return fns()->verify(info(), ctx, tag); |
| 97 | } |
| 98 | |