| AKASHI Takahiro | 9b933bf | 2019-11-13 09:44:59 +0900 | [diff] [blame] | 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 |