projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 4c5e512e LH |
1 | /* |
| 2 | * QEMU Crypto RSA key parser | |
| 3 | * | |
| 4 | * Copyright (c) 2022 Bytedance | |
| 5 | * Author: lei he <helei.sig11@bytedance.com> | |
| 6 | * | |
| 7 | * This library is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU Lesser General Public | |
| 9 | * License as published by the Free Software Foundation; either | |
| 10 | * version 2.1 of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * This library is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public | |
| 18 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
| 19 | * | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef QCRYPTO_RSAKEY_H | |
| 23 | #define QCRYPTO_RSAKEY_H | |
| 24 | ||
| 25 | #include "qemu/osdep.h" | |
| 26 | #include "qemu/host-utils.h" | |
| 27 | #include "crypto/akcipher.h" | |
| 28 | ||
| 29 | typedef struct QCryptoAkCipherRSAKey QCryptoAkCipherRSAKey; | |
| 30 | typedef struct QCryptoAkCipherMPI QCryptoAkCipherMPI; | |
| 31 | ||
| 32 | /** | |
| 33 | * Multiple precious integer, encoded as two' complement, | |
| 34 | * copied directly from DER encoded ASN.1 structures. | |
| 35 | */ | |
| 36 | struct QCryptoAkCipherMPI { | |
| 37 | uint8_t *data; | |
| 38 | size_t len; | |
| 39 | }; | |
| 40 | ||
| 41 | /* See rfc2437: https://datatracker.ietf.org/doc/html/rfc2437 */ | |
| 42 | struct QCryptoAkCipherRSAKey { | |
| 43 | /* The modulus */ | |
| 44 | QCryptoAkCipherMPI n; | |
| 45 | /* The public exponent */ | |
| 46 | QCryptoAkCipherMPI e; | |
| 47 | /* The private exponent */ | |
| 48 | QCryptoAkCipherMPI d; | |
| 49 | /* The first factor */ | |
| 50 | QCryptoAkCipherMPI p; | |
| 51 | /* The second factor */ | |
| 52 | QCryptoAkCipherMPI q; | |
| 53 | /* The first factor's exponent */ | |
| 54 | QCryptoAkCipherMPI dp; | |
| 55 | /* The second factor's exponent */ | |
| 56 | QCryptoAkCipherMPI dq; | |
| 57 | /* The CRT coefficient */ | |
| 58 | QCryptoAkCipherMPI u; | |
| 59 | }; | |
| 60 | ||
| 61 | /** | |
| 62 | * Parse DER encoded ASN.1 RSA keys, expected ASN.1 schemas: | |
| 63 | * RsaPrivKey ::= SEQUENCE { | |
| 64 | * version INTEGER | |
| 65 | * n INTEGER | |
| 66 | * e INTEGER | |
| 67 | * d INTEGER | |
| 68 | * p INTEGER | |
| 69 | * q INTEGER | |
| 70 | * dp INTEGER | |
| 71 | * dq INTEGER | |
| 72 | * u INTEGER | |
| 73 | * otherPrimeInfos OtherPrimeInfos OPTIONAL | |
| 74 | * } | |
| 75 | * | |
| 76 | * RsaPubKey ::= SEQUENCE { | |
| 77 | * n INTEGER | |
| 78 | * e INTEGER | |
| 79 | * } | |
| 80 | * | |
| 81 | * Returns: On success QCryptoAkCipherRSAKey is returned, otherwise returns NULL | |
| 82 | */ | |
| 83 | QCryptoAkCipherRSAKey *qcrypto_akcipher_rsakey_parse( | |
| 84 | QCryptoAkCipherKeyType type, | |
| 85 | const uint8_t *key, size_t keylen, Error **errp); | |
| 86 | ||
| 87 | void qcrypto_akcipher_rsakey_free(QCryptoAkCipherRSAKey *key); | |
| 88 | ||
| 89 | G_DEFINE_AUTOPTR_CLEANUP_FUNC(QCryptoAkCipherRSAKey, | |
| 90 | qcrypto_akcipher_rsakey_free); | |
| 91 | ||
| 92 | #endif |