1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 * RSA internal helpers 2 * RSA internal helpers
4 * 3 *
5 * Copyright (c) 2015, Intel Corporation 4 * Copyright (c) 2015, Intel Corporation
6 * Authors: Tadeusz Struk <tadeusz.struk@intel 5 * Authors: Tadeusz Struk <tadeusz.struk@intel.com>
>> 6 *
>> 7 * This program is free software; you can redistribute it and/or modify it
>> 8 * under the terms of the GNU General Public License as published by the Free
>> 9 * Software Foundation; either version 2 of the License, or (at your option)
>> 10 * any later version.
>> 11 *
7 */ 12 */
8 #ifndef _RSA_HELPER_ 13 #ifndef _RSA_HELPER_
9 #define _RSA_HELPER_ 14 #define _RSA_HELPER_
10 #include <linux/types.h> !! 15 #include <linux/mpi.h>
11 16
12 /** <<
13 * rsa_key - RSA key structure <<
14 * @n : RSA modulus raw byte stream <<
15 * @e : RSA public exponent raw byte <<
16 * @d : RSA private exponent raw byt <<
17 * @p : RSA prime factor p of n raw <<
18 * @q : RSA prime factor q of n raw <<
19 * @dp : RSA exponent d mod (p - 1) r <<
20 * @dq : RSA exponent d mod (q - 1) r <<
21 * @qinv : RSA CRT coefficient q^(-1) m <<
22 * @n_sz : length in bytes of RSA modul <<
23 * @e_sz : length in bytes of RSA publi <<
24 * @d_sz : length in bytes of RSA priva <<
25 * @p_sz : length in bytes of p field <<
26 * @q_sz : length in bytes of q field <<
27 * @dp_sz : length in bytes of dp field <<
28 * @dq_sz : length in bytes of dq field <<
29 * @qinv_sz : length in bytes of qinv fiel <<
30 */ <<
31 struct rsa_key { 17 struct rsa_key {
32 const u8 *n; !! 18 MPI n;
33 const u8 *e; !! 19 MPI e;
34 const u8 *d; !! 20 MPI d;
35 const u8 *p; <<
36 const u8 *q; <<
37 const u8 *dp; <<
38 const u8 *dq; <<
39 const u8 *qinv; <<
40 size_t n_sz; <<
41 size_t e_sz; <<
42 size_t d_sz; <<
43 size_t p_sz; <<
44 size_t q_sz; <<
45 size_t dp_sz; <<
46 size_t dq_sz; <<
47 size_t qinv_sz; <<
48 }; 21 };
49 22
50 int rsa_parse_pub_key(struct rsa_key *rsa_key, 23 int rsa_parse_pub_key(struct rsa_key *rsa_key, const void *key,
51 unsigned int key_len); 24 unsigned int key_len);
52 25
53 int rsa_parse_priv_key(struct rsa_key *rsa_key 26 int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key,
54 unsigned int key_len); 27 unsigned int key_len);
55 28
56 extern struct crypto_template rsa_pkcs1pad_tmp !! 29 void rsa_free_key(struct rsa_key *rsa_key);
57 #endif 30 #endif
58 31
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