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/types.h>
11 16
12 /** 17 /**
13 * rsa_key - RSA key structure 18 * rsa_key - RSA key structure
14 * @n : RSA modulus raw byte stream 19 * @n : RSA modulus raw byte stream
15 * @e : RSA public exponent raw byte 20 * @e : RSA public exponent raw byte stream
16 * @d : RSA private exponent raw byt 21 * @d : RSA private exponent raw byte stream
17 * @p : RSA prime factor p of n raw 22 * @p : RSA prime factor p of n raw byte stream
18 * @q : RSA prime factor q of n raw 23 * @q : RSA prime factor q of n raw byte stream
19 * @dp : RSA exponent d mod (p - 1) r 24 * @dp : RSA exponent d mod (p - 1) raw byte stream
20 * @dq : RSA exponent d mod (q - 1) r 25 * @dq : RSA exponent d mod (q - 1) raw byte stream
21 * @qinv : RSA CRT coefficient q^(-1) m 26 * @qinv : RSA CRT coefficient q^(-1) mod p raw byte stream
22 * @n_sz : length in bytes of RSA modul 27 * @n_sz : length in bytes of RSA modulus n
23 * @e_sz : length in bytes of RSA publi 28 * @e_sz : length in bytes of RSA public exponent
24 * @d_sz : length in bytes of RSA priva 29 * @d_sz : length in bytes of RSA private exponent
25 * @p_sz : length in bytes of p field 30 * @p_sz : length in bytes of p field
26 * @q_sz : length in bytes of q field 31 * @q_sz : length in bytes of q field
27 * @dp_sz : length in bytes of dp field 32 * @dp_sz : length in bytes of dp field
28 * @dq_sz : length in bytes of dq field 33 * @dq_sz : length in bytes of dq field
29 * @qinv_sz : length in bytes of qinv fiel 34 * @qinv_sz : length in bytes of qinv field
30 */ 35 */
31 struct rsa_key { 36 struct rsa_key {
32 const u8 *n; 37 const u8 *n;
33 const u8 *e; 38 const u8 *e;
34 const u8 *d; 39 const u8 *d;
35 const u8 *p; 40 const u8 *p;
36 const u8 *q; 41 const u8 *q;
37 const u8 *dp; 42 const u8 *dp;
38 const u8 *dq; 43 const u8 *dq;
39 const u8 *qinv; 44 const u8 *qinv;
40 size_t n_sz; 45 size_t n_sz;
41 size_t e_sz; 46 size_t e_sz;
42 size_t d_sz; 47 size_t d_sz;
43 size_t p_sz; 48 size_t p_sz;
44 size_t q_sz; 49 size_t q_sz;
45 size_t dp_sz; 50 size_t dp_sz;
46 size_t dq_sz; 51 size_t dq_sz;
47 size_t qinv_sz; 52 size_t qinv_sz;
48 }; 53 };
49 54
50 int rsa_parse_pub_key(struct rsa_key *rsa_key, 55 int rsa_parse_pub_key(struct rsa_key *rsa_key, const void *key,
51 unsigned int key_len); 56 unsigned int key_len);
52 57
53 int rsa_parse_priv_key(struct rsa_key *rsa_key 58 int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key,
54 unsigned int key_len); 59 unsigned int key_len);
55 60
56 extern struct crypto_template rsa_pkcs1pad_tmp 61 extern struct crypto_template rsa_pkcs1pad_tmpl;
57 #endif 62 #endif
58 63
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