Commit | Line | Data |
---|---|---|
b4d0d230 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
70025f84 DH |
2 | /* keyctl kernel bits |
3 | * | |
4 | * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. | |
5 | * Written by David Howells (dhowells@redhat.com) | |
70025f84 DH |
6 | */ |
7 | ||
8 | #ifndef __LINUX_KEYCTL_H | |
9 | #define __LINUX_KEYCTL_H | |
10 | ||
11 | #include <uapi/linux/keyctl.h> | |
12 | ||
13 | struct kernel_pkey_query { | |
14 | __u32 supported_ops; /* Which ops are supported */ | |
15 | __u32 key_size; /* Size of the key in bits */ | |
16 | __u16 max_data_size; /* Maximum size of raw data to sign in bytes */ | |
17 | __u16 max_sig_size; /* Maximum size of signature in bytes */ | |
18 | __u16 max_enc_size; /* Maximum size of encrypted blob in bytes */ | |
19 | __u16 max_dec_size; /* Maximum size of decrypted blob in bytes */ | |
20 | }; | |
21 | ||
22 | enum kernel_pkey_operation { | |
23 | kernel_pkey_encrypt, | |
24 | kernel_pkey_decrypt, | |
25 | kernel_pkey_sign, | |
26 | kernel_pkey_verify, | |
27 | }; | |
28 | ||
29 | struct kernel_pkey_params { | |
30 | struct key *key; | |
31 | const char *encoding; /* Encoding (eg. "oaep" or "raw" for none) */ | |
32 | const char *hash_algo; /* Digest algorithm used (eg. "sha1") or NULL if N/A */ | |
33 | char *info; /* Modified info string to be released later */ | |
34 | __u32 in_len; /* Input data size */ | |
35 | union { | |
36 | __u32 out_len; /* Output buffer size (enc/dec/sign) */ | |
37 | __u32 in2_len; /* 2nd input data size (verify) */ | |
38 | }; | |
39 | enum kernel_pkey_operation op : 8; | |
40 | }; | |
41 | ||
42 | #endif /* __LINUX_KEYCTL_H */ |