1*5e3eaea3SApple OSS Distributions /*
2*5e3eaea3SApple OSS Distributions * Copyright (c) 2016 Apple Computer, Inc. All rights reserved.
3*5e3eaea3SApple OSS Distributions *
4*5e3eaea3SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5e3eaea3SApple OSS Distributions *
6*5e3eaea3SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*5e3eaea3SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*5e3eaea3SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*5e3eaea3SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*5e3eaea3SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*5e3eaea3SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*5e3eaea3SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*5e3eaea3SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*5e3eaea3SApple OSS Distributions *
15*5e3eaea3SApple OSS Distributions * Please obtain a copy of the License at
16*5e3eaea3SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5e3eaea3SApple OSS Distributions *
18*5e3eaea3SApple OSS Distributions * The Original Code and all software distributed under the License are
19*5e3eaea3SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5e3eaea3SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5e3eaea3SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5e3eaea3SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5e3eaea3SApple OSS Distributions * Please see the License for the specific language governing rights and
24*5e3eaea3SApple OSS Distributions * limitations under the License.
25*5e3eaea3SApple OSS Distributions *
26*5e3eaea3SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5e3eaea3SApple OSS Distributions */
28*5e3eaea3SApple OSS Distributions
29*5e3eaea3SApple OSS Distributions #include <libkern/crypto/crypto_internal.h>
30*5e3eaea3SApple OSS Distributions #include <libkern/crypto/rsa.h>
31*5e3eaea3SApple OSS Distributions #include <corecrypto/ccrsa.h>
32*5e3eaea3SApple OSS Distributions
33*5e3eaea3SApple OSS Distributions
34*5e3eaea3SApple OSS Distributions int
rsa_make_pub(rsa_pub_ctx * pub,size_t exp_nbytes,const uint8_t * exp,size_t mod_nbytes,const uint8_t * mod)35*5e3eaea3SApple OSS Distributions rsa_make_pub(rsa_pub_ctx *pub,
36*5e3eaea3SApple OSS Distributions size_t exp_nbytes, const uint8_t *exp,
37*5e3eaea3SApple OSS Distributions size_t mod_nbytes, const uint8_t *mod)
38*5e3eaea3SApple OSS Distributions {
39*5e3eaea3SApple OSS Distributions if ((exp_nbytes > RSA_MAX_KEY_BITSIZE / 8)
40*5e3eaea3SApple OSS Distributions || (mod_nbytes > RSA_MAX_KEY_BITSIZE / 8)) {
41*5e3eaea3SApple OSS Distributions return -1; // Too big
42*5e3eaea3SApple OSS Distributions }
43*5e3eaea3SApple OSS Distributions ccrsa_ctx_n(pub->key) = ccn_nof(RSA_MAX_KEY_BITSIZE);
44*5e3eaea3SApple OSS Distributions return g_crypto_funcs->ccrsa_make_pub_fn(pub->key,
45*5e3eaea3SApple OSS Distributions exp_nbytes, exp,
46*5e3eaea3SApple OSS Distributions mod_nbytes, mod);
47*5e3eaea3SApple OSS Distributions }
48*5e3eaea3SApple OSS Distributions
49*5e3eaea3SApple OSS Distributions int
rsa_verify_pkcs1v15(rsa_pub_ctx * pub,const uint8_t * oid,size_t digest_len,const uint8_t * digest,size_t sig_len,const uint8_t * sig,bool * valid)50*5e3eaea3SApple OSS Distributions rsa_verify_pkcs1v15(rsa_pub_ctx *pub, const uint8_t *oid,
51*5e3eaea3SApple OSS Distributions size_t digest_len, const uint8_t *digest,
52*5e3eaea3SApple OSS Distributions size_t sig_len, const uint8_t *sig,
53*5e3eaea3SApple OSS Distributions bool *valid)
54*5e3eaea3SApple OSS Distributions {
55*5e3eaea3SApple OSS Distributions return g_crypto_funcs->ccrsa_verify_pkcs1v15_fn(pub->key, oid,
56*5e3eaea3SApple OSS Distributions digest_len, digest,
57*5e3eaea3SApple OSS Distributions sig_len, sig, valid);
58*5e3eaea3SApple OSS Distributions }
59