1*c54f35caSApple OSS Distributions /*
2*c54f35caSApple OSS Distributions * Copyright (c) 2016 Apple Computer, Inc. All rights reserved.
3*c54f35caSApple OSS Distributions *
4*c54f35caSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*c54f35caSApple OSS Distributions *
6*c54f35caSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*c54f35caSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*c54f35caSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*c54f35caSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*c54f35caSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*c54f35caSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*c54f35caSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*c54f35caSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*c54f35caSApple OSS Distributions *
15*c54f35caSApple OSS Distributions * Please obtain a copy of the License at
16*c54f35caSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*c54f35caSApple OSS Distributions *
18*c54f35caSApple OSS Distributions * The Original Code and all software distributed under the License are
19*c54f35caSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*c54f35caSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*c54f35caSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*c54f35caSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*c54f35caSApple OSS Distributions * Please see the License for the specific language governing rights and
24*c54f35caSApple OSS Distributions * limitations under the License.
25*c54f35caSApple OSS Distributions *
26*c54f35caSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*c54f35caSApple OSS Distributions */
28*c54f35caSApple OSS Distributions
29*c54f35caSApple OSS Distributions #include <libkern/crypto/crypto_internal.h>
30*c54f35caSApple OSS Distributions #include <libkern/crypto/rsa.h>
31*c54f35caSApple OSS Distributions #include <corecrypto/ccrsa.h>
32*c54f35caSApple OSS Distributions
33*c54f35caSApple OSS Distributions
34*c54f35caSApple 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*c54f35caSApple OSS Distributions rsa_make_pub(rsa_pub_ctx *pub,
36*c54f35caSApple OSS Distributions size_t exp_nbytes, const uint8_t *exp,
37*c54f35caSApple OSS Distributions size_t mod_nbytes, const uint8_t *mod)
38*c54f35caSApple OSS Distributions {
39*c54f35caSApple OSS Distributions if ((exp_nbytes > RSA_MAX_KEY_BITSIZE / 8)
40*c54f35caSApple OSS Distributions || (mod_nbytes > RSA_MAX_KEY_BITSIZE / 8)) {
41*c54f35caSApple OSS Distributions return -1; // Too big
42*c54f35caSApple OSS Distributions }
43*c54f35caSApple OSS Distributions ccrsa_ctx_n(pub->key) = ccn_nof(RSA_MAX_KEY_BITSIZE);
44*c54f35caSApple OSS Distributions return g_crypto_funcs->ccrsa_make_pub_fn(pub->key,
45*c54f35caSApple OSS Distributions exp_nbytes, exp,
46*c54f35caSApple OSS Distributions mod_nbytes, mod);
47*c54f35caSApple OSS Distributions }
48*c54f35caSApple OSS Distributions
49*c54f35caSApple 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*c54f35caSApple OSS Distributions rsa_verify_pkcs1v15(rsa_pub_ctx *pub, const uint8_t *oid,
51*c54f35caSApple OSS Distributions size_t digest_len, const uint8_t *digest,
52*c54f35caSApple OSS Distributions size_t sig_len, const uint8_t *sig,
53*c54f35caSApple OSS Distributions bool *valid)
54*c54f35caSApple OSS Distributions {
55*c54f35caSApple OSS Distributions return g_crypto_funcs->ccrsa_verify_pkcs1v15_fn(pub->key, oid,
56*c54f35caSApple OSS Distributions digest_len, digest,
57*c54f35caSApple OSS Distributions sig_len, sig, valid);
58*c54f35caSApple OSS Distributions }
59