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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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Thomas Weißschuh
f9909cf0a2
This structure definition is used outside the kernel proper. For example in kmod and the kernel build environment. To allow reuse, move it to a new UAPI header. While it is not a true UAPI, it is a common practice to have non-UAPI interface definitions in the kernel's UAPI headers. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: Nicolas Schier <nsc@kernel.org> Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* Module signature handling.
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*
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* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#ifndef _UAPI_LINUX_MODULE_SIGNATURE_H
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#define _UAPI_LINUX_MODULE_SIGNATURE_H
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#include <linux/types.h>
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/* In stripped ARM and x86-64 modules, ~ is surprisingly rare. */
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#define MODULE_SIGNATURE_MARKER "~Module signature appended~\n"
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enum module_signature_type {
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MODULE_SIGNATURE_TYPE_PKCS7 = 2, /* Signature in PKCS#7 message */
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};
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/*
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* Module signature information block.
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*
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* The constituents of the signature section are, in order:
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*
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* - Signer's name
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* - Key identifier
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* - Signature data
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* - Information block
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*/
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struct module_signature {
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__u8 algo; /* Public-key crypto algorithm [0] */
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__u8 hash; /* Digest algorithm [0] */
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__u8 id_type; /* Key identifier type [enum module_signature_type] */
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__u8 signer_len; /* Length of signer's name [0] */
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__u8 key_id_len; /* Length of key identifier [0] */
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__u8 __pad[3];
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__be32 sig_len; /* Length of signature data */
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};
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#endif /* _UAPI_LINUX_MODULE_SIGNATURE_H */
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