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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
cfc2bb32 TS |
2 | /* |
3 | * RSA internal helpers | |
4 | * | |
5 | * Copyright (c) 2015, Intel Corporation | |
6 | * Authors: Tadeusz Struk <tadeusz.struk@intel.com> | |
cfc2bb32 TS |
7 | */ |
8 | #ifndef _RSA_HELPER_ | |
9 | #define _RSA_HELPER_ | |
5a7de973 | 10 | #include <linux/types.h> |
cfc2bb32 | 11 | |
5a7de973 TA |
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 | |
8be0b84e SB |
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 | |
5a7de973 TA |
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 | |
8be0b84e SB |
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 | |
5a7de973 | 30 | */ |
cfc2bb32 | 31 | struct rsa_key { |
5a7de973 TA |
32 | const u8 *n; |
33 | const u8 *e; | |
34 | const u8 *d; | |
8be0b84e SB |
35 | const u8 *p; |
36 | const u8 *q; | |
37 | const u8 *dp; | |
38 | const u8 *dq; | |
39 | const u8 *qinv; | |
5a7de973 TA |
40 | size_t n_sz; |
41 | size_t e_sz; | |
42 | size_t d_sz; | |
8be0b84e SB |
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; | |
cfc2bb32 TS |
48 | }; |
49 | ||
22287b0b TS |
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); | |
cfc2bb32 | 55 | |
3d5b1ecd | 56 | extern struct crypto_template rsa_pkcs1pad_tmpl; |
cfc2bb32 | 57 | #endif |