1 | /* |
2 | * Copyright (c) 2016 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 <libkern/crypto/crypto_internal.h> |
30 | #include <libkern/crypto/rsa.h> |
31 | #include <corecrypto/ccrsa.h> |
32 | |
33 | |
34 | int |
35 | rsa_make_pub(rsa_pub_ctx *pub, |
36 | size_t exp_nbytes, const uint8_t *exp, |
37 | size_t mod_nbytes, const uint8_t *mod) |
38 | { |
39 | if ((exp_nbytes > RSA_MAX_KEY_BITSIZE / 8) |
40 | || (mod_nbytes > RSA_MAX_KEY_BITSIZE / 8)) { |
41 | return -1; // Too big |
42 | } |
43 | ccrsa_ctx_n(pub->key) = ccn_nof(RSA_MAX_KEY_BITSIZE); |
44 | return g_crypto_funcs->ccrsa_make_pub_fn(pub->key, |
45 | exp_nbytes, exp, |
46 | mod_nbytes, mod); |
47 | } |
48 | |
49 | int |
50 | rsa_verify_pkcs1v15(rsa_pub_ctx *pub, const uint8_t *oid, |
51 | size_t digest_len, const uint8_t *digest, |
52 | size_t sig_len, const uint8_t *sig, |
53 | bool *valid) |
54 | { |
55 | return g_crypto_funcs->ccrsa_verify_pkcs1v15_fn(pub->key, oid, |
56 | digest_len, digest, |
57 | sig_len, sig, valid); |
58 | } |
59 | |