| /* keyctl kernel bits |
| * |
| * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| |
| #ifndef __LINUX_KEYCTL_H |
| #define __LINUX_KEYCTL_H |
| |
| #include <uapi/linux/keyctl.h> |
| |
| struct kernel_pkey_query { |
| __u32 supported_ops; /* Which ops are supported */ |
| __u32 key_size; /* Size of the key in bits */ |
| __u16 max_data_size; /* Maximum size of raw data to sign in bytes */ |
| __u16 max_sig_size; /* Maximum size of signature in bytes */ |
| __u16 max_enc_size; /* Maximum size of encrypted blob in bytes */ |
| __u16 max_dec_size; /* Maximum size of decrypted blob in bytes */ |
| }; |
| |
| enum kernel_pkey_operation { |
| kernel_pkey_encrypt, |
| kernel_pkey_decrypt, |
| kernel_pkey_sign, |
| kernel_pkey_verify, |
| }; |
| |
| struct kernel_pkey_params { |
| struct key *key; |
| const char *encoding; /* Encoding (eg. "oaep" or "raw" for none) */ |
| const char *hash_algo; /* Digest algorithm used (eg. "sha1") or NULL if N/A */ |
| char *info; /* Modified info string to be released later */ |
| __u32 in_len; /* Input data size */ |
| union { |
| __u32 out_len; /* Output buffer size (enc/dec/sign) */ |
| __u32 in2_len; /* 2nd input data size (verify) */ |
| }; |
| enum kernel_pkey_operation op : 8; |
| }; |
| |
| #endif /* __LINUX_KEYCTL_H */ |
