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42 lines
1.2 KiB
42 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* keyctl kernel bits |
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* |
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* Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. |
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* Written by David Howells ([email protected]) |
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*/ |
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#ifndef __LINUX_KEYCTL_H |
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#define __LINUX_KEYCTL_H |
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#include <uapi/linux/keyctl.h> |
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struct kernel_pkey_query { |
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__u32 supported_ops; /* Which ops are supported */ |
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__u32 key_size; /* Size of the key in bits */ |
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__u16 max_data_size; /* Maximum size of raw data to sign in bytes */ |
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__u16 max_sig_size; /* Maximum size of signature in bytes */ |
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__u16 max_enc_size; /* Maximum size of encrypted blob in bytes */ |
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__u16 max_dec_size; /* Maximum size of decrypted blob in bytes */ |
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}; |
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enum kernel_pkey_operation { |
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kernel_pkey_encrypt, |
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kernel_pkey_decrypt, |
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kernel_pkey_sign, |
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kernel_pkey_verify, |
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}; |
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struct kernel_pkey_params { |
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struct key *key; |
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const char *encoding; /* Encoding (eg. "oaep" or "raw" for none) */ |
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const char *hash_algo; /* Digest algorithm used (eg. "sha1") or NULL if N/A */ |
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char *info; /* Modified info string to be released later */ |
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__u32 in_len; /* Input data size */ |
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union { |
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__u32 out_len; /* Output buffer size (enc/dec/sign) */ |
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__u32 in2_len; /* 2nd input data size (verify) */ |
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}; |
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enum kernel_pkey_operation op : 8; |
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}; |
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#endif /* __LINUX_KEYCTL_H */
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