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1 | /* |
2 | * QEMU Crypto akcipher algorithms | |
3 | * | |
4 | * Copyright (c) 2022 Bytedance | |
5 | * Author: zhenwei pi <pizhenwei@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 | #include "qemu/osdep.h" | |
23 | #include "crypto/akcipher.h" | |
24 | #include "akcipherpriv.h" | |
58660863 LH |
25 | #include "der.h" |
26 | #include "rsakey.h" | |
db5ca5fb | 27 | |
e09d1c27 LH |
28 | #if defined(CONFIG_GCRYPT) |
29 | #include "akcipher-gcrypt.c.inc" | |
30 | #elif defined(CONFIG_NETTLE) && defined(CONFIG_HOGWEED) | |
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31 | #include "akcipher-nettle.c.inc" |
32 | #else | |
db5ca5fb ZP |
33 | QCryptoAkCipher *qcrypto_akcipher_new(const QCryptoAkCipherOptions *opts, |
34 | QCryptoAkCipherKeyType type, | |
35 | const uint8_t *key, size_t keylen, | |
36 | Error **errp) | |
37 | { | |
38 | QCryptoAkCipher *akcipher = NULL; | |
39 | ||
40 | return akcipher; | |
41 | } | |
42 | ||
43 | bool qcrypto_akcipher_supports(QCryptoAkCipherOptions *opts) | |
44 | { | |
45 | return false; | |
46 | } | |
4c5e512e | 47 | #endif |
db5ca5fb ZP |
48 | |
49 | int qcrypto_akcipher_encrypt(QCryptoAkCipher *akcipher, | |
50 | const void *in, size_t in_len, | |
51 | void *out, size_t out_len, Error **errp) | |
52 | { | |
53 | const QCryptoAkCipherDriver *drv = akcipher->driver; | |
54 | ||
55 | return drv->encrypt(akcipher, in, in_len, out, out_len, errp); | |
56 | } | |
57 | ||
58 | int qcrypto_akcipher_decrypt(QCryptoAkCipher *akcipher, | |
59 | const void *in, size_t in_len, | |
60 | void *out, size_t out_len, Error **errp) | |
61 | { | |
62 | const QCryptoAkCipherDriver *drv = akcipher->driver; | |
63 | ||
64 | return drv->decrypt(akcipher, in, in_len, out, out_len, errp); | |
65 | } | |
66 | ||
67 | int qcrypto_akcipher_sign(QCryptoAkCipher *akcipher, | |
68 | const void *in, size_t in_len, | |
69 | void *out, size_t out_len, Error **errp) | |
70 | { | |
71 | const QCryptoAkCipherDriver *drv = akcipher->driver; | |
72 | ||
73 | return drv->sign(akcipher, in, in_len, out, out_len, errp); | |
74 | } | |
75 | ||
76 | int qcrypto_akcipher_verify(QCryptoAkCipher *akcipher, | |
77 | const void *in, size_t in_len, | |
78 | const void *in2, size_t in2_len, Error **errp) | |
79 | { | |
80 | const QCryptoAkCipherDriver *drv = akcipher->driver; | |
81 | ||
82 | return drv->verify(akcipher, in, in_len, in2, in2_len, errp); | |
83 | } | |
84 | ||
85 | int qcrypto_akcipher_max_plaintext_len(QCryptoAkCipher *akcipher) | |
86 | { | |
87 | return akcipher->max_plaintext_len; | |
88 | } | |
89 | ||
90 | int qcrypto_akcipher_max_ciphertext_len(QCryptoAkCipher *akcipher) | |
91 | { | |
92 | return akcipher->max_ciphertext_len; | |
93 | } | |
94 | ||
95 | int qcrypto_akcipher_max_signature_len(QCryptoAkCipher *akcipher) | |
96 | { | |
97 | return akcipher->max_signature_len; | |
98 | } | |
99 | ||
100 | int qcrypto_akcipher_max_dgst_len(QCryptoAkCipher *akcipher) | |
101 | { | |
102 | return akcipher->max_dgst_len; | |
103 | } | |
104 | ||
105 | void qcrypto_akcipher_free(QCryptoAkCipher *akcipher) | |
106 | { | |
107 | const QCryptoAkCipherDriver *drv = akcipher->driver; | |
108 | ||
109 | drv->free(akcipher); | |
110 | } | |
58660863 LH |
111 | |
112 | int qcrypto_akcipher_export_p8info(const QCryptoAkCipherOptions *opts, | |
113 | uint8_t *key, size_t keylen, | |
114 | uint8_t **dst, size_t *dst_len, | |
115 | Error **errp) | |
116 | { | |
117 | switch (opts->alg) { | |
118 | case QCRYPTO_AKCIPHER_ALG_RSA: | |
119 | qcrypto_akcipher_rsakey_export_p8info(key, keylen, dst, dst_len); | |
120 | return 0; | |
121 | ||
122 | default: | |
123 | error_setg(errp, "Unsupported algorithm: %u", opts->alg); | |
124 | return -1; | |
125 | } | |
126 | } |