1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * RSA internal helpers |
4 | * |
5 | * Copyright (c) 2015, Intel Corporation |
6 | * Authors: Tadeusz Struk <tadeusz.struk@intel.com> |
7 | */ |
8 | #ifndef _RSA_HELPER_ |
9 | #define _RSA_HELPER_ |
10 | #include <linux/types.h> |
11 | |
12 | /** |
13 | * rsa_key - RSA key structure |
14 | * @n : RSA modulus raw byte stream |
15 | * @e : RSA public exponent raw byte stream |
16 | * @d : RSA private exponent raw byte stream |
17 | * @p : RSA prime factor p of n raw byte stream |
18 | * @q : RSA prime factor q of n raw byte stream |
19 | * @dp : RSA exponent d mod (p - 1) raw byte stream |
20 | * @dq : RSA exponent d mod (q - 1) raw byte stream |
21 | * @qinv : RSA CRT coefficient q^(-1) mod p raw byte stream |
22 | * @n_sz : length in bytes of RSA modulus n |
23 | * @e_sz : length in bytes of RSA public exponent |
24 | * @d_sz : length in bytes of RSA private exponent |
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 field |
30 | */ |
31 | struct rsa_key { |
32 | const u8 *n; |
33 | const u8 *e; |
34 | const u8 *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 | }; |
49 | |
50 | int rsa_parse_pub_key(struct rsa_key *rsa_key, const void *key, |
51 | unsigned int key_len); |
52 | |
53 | int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key, |
54 | unsigned int key_len); |
55 | |
56 | extern struct crypto_template rsa_pkcs1pad_tmpl; |
57 | #endif |
58 | |