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 | |