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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /include/keys/asymmetric-subtype.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/keys/asymmetric-subtype.h')
-rw-r--r-- | include/keys/asymmetric-subtype.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/keys/asymmetric-subtype.h b/include/keys/asymmetric-subtype.h new file mode 100644 index 000000000..d55171f64 --- /dev/null +++ b/include/keys/asymmetric-subtype.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Asymmetric public-key cryptography key subtype + * + * See Documentation/crypto/asymmetric-keys.rst + * + * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#ifndef _KEYS_ASYMMETRIC_SUBTYPE_H +#define _KEYS_ASYMMETRIC_SUBTYPE_H + +#include <linux/seq_file.h> +#include <keys/asymmetric-type.h> + +struct kernel_pkey_query; +struct kernel_pkey_params; +struct public_key_signature; + +/* + * Keys of this type declare a subtype that indicates the handlers and + * capabilities. + */ +struct asymmetric_key_subtype { + struct module *owner; + const char *name; + unsigned short name_len; /* length of name */ + + /* Describe a key of this subtype for /proc/keys */ + void (*describe)(const struct key *key, struct seq_file *m); + + /* Destroy a key of this subtype */ + void (*destroy)(void *payload_crypto, void *payload_auth); + + int (*query)(const struct kernel_pkey_params *params, + struct kernel_pkey_query *info); + + /* Encrypt/decrypt/sign data */ + int (*eds_op)(struct kernel_pkey_params *params, + const void *in, void *out); + + /* Verify the signature on a key of this subtype (optional) */ + int (*verify_signature)(const struct key *key, + const struct public_key_signature *sig); +}; + +/** + * asymmetric_key_subtype - Get the subtype from an asymmetric key + * @key: The key of interest. + * + * Retrieves and returns the subtype pointer of the asymmetric key from the + * type-specific data attached to the key. + */ +static inline +struct asymmetric_key_subtype *asymmetric_key_subtype(const struct key *key) +{ + return key->payload.data[asym_subtype]; +} + +#endif /* _KEYS_ASYMMETRIC_SUBTYPE_H */ |