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kernel/linux

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 114 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520170857.552531963@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-05-20 19:08:01 +02:00
KEYS: Asymmetric key pluggable data parsers The instantiation data passed to the asymmetric key type are expected to be formatted in some way, and there are several possible standard ways to format the data. The two obvious standards are OpenPGP keys and X.509 certificates. The latter is especially useful when dealing with UEFI, and the former might be useful when dealing with, say, eCryptfs. Further, it might be desirable to provide formatted blobs that indicate hardware is to be accessed to retrieve the keys or that the keys live unretrievably in a hardware store, but that the keys can be used by means of the hardware. From userspace, the keys can be loaded using the keyctl command, for example, an X.509 binary certificate: keyctl padd asymmetric foo @s <dhowells.pem or a PGP key: keyctl padd asymmetric bar @s <dhowells.pub or a pointer into the contents of the TPM: keyctl add asymmetric zebra "TPM:04982390582905f8" @s Inside the kernel, pluggable parsers register themselves and then get to examine the payload data to see if they can handle it. If they can, they get to: (1) Propose a name for the key, to be used it the name is "" or NULL. (2) Specify the key subtype. (3) Provide the data for the subtype. The key type asks the parser to do its stuff before a key is allocated and thus before the name is set. If successful, the parser stores the suggested data into the key_preparsed_payload struct, which will be either used (if the key is successfully created and instantiated or updated) or discarded. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> 2012-09-13 15:17:32 +01:00

docs: crypto: convert asymmetric-keys.txt to ReST This file is almost compatible with ReST. Just minor changes were needed: - Adjust document and titles markups; - Adjust numbered list markups; - Add a comments markup for the Contents section; - Add markups for literal blocks. Acked-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/c2275ea94e0507a01b020ab66dfa824d8b1c2545.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> 2020-06-15 08:50:08 +02:00
KEYS: Asymmetric key pluggable data parsers The instantiation data passed to the asymmetric key type are expected to be formatted in some way, and there are several possible standard ways to format the data. The two obvious standards are OpenPGP keys and X.509 certificates. The latter is especially useful when dealing with UEFI, and the former might be useful when dealing with, say, eCryptfs. Further, it might be desirable to provide formatted blobs that indicate hardware is to be accessed to retrieve the keys or that the keys live unretrievably in a hardware store, but that the keys can be used by means of the hardware. From userspace, the keys can be loaded using the keyctl command, for example, an X.509 binary certificate: keyctl padd asymmetric foo @s <dhowells.pem or a PGP key: keyctl padd asymmetric bar @s <dhowells.pub or a pointer into the contents of the TPM: keyctl add asymmetric zebra "TPM:04982390582905f8" @s Inside the kernel, pluggable parsers register themselves and then get to examine the payload data to see if they can handle it. If they can, they get to: (1) Propose a name for the key, to be used it the name is "" or NULL. (2) Specify the key subtype. (3) Provide the data for the subtype. The key type asks the parser to do its stuff before a key is allocated and thus before the name is set. If successful, the parser stores the suggested data into the key_preparsed_payload struct, which will be either used (if the key is successfully created and instantiated or updated) or discarded. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> 2012-09-13 15:17:32 +01:00







KEYS: Add forward declaration in asymmetric-parser.h Add forward declaration for struct key_preparsed_payload so that this header file is self-contained. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2023-06-15 18:28:50 +08:00

KEYS: Asymmetric key pluggable data parsers The instantiation data passed to the asymmetric key type are expected to be formatted in some way, and there are several possible standard ways to format the data. The two obvious standards are OpenPGP keys and X.509 certificates. The latter is especially useful when dealing with UEFI, and the former might be useful when dealing with, say, eCryptfs. Further, it might be desirable to provide formatted blobs that indicate hardware is to be accessed to retrieve the keys or that the keys live unretrievably in a hardware store, but that the keys can be used by means of the hardware. From userspace, the keys can be loaded using the keyctl command, for example, an X.509 binary certificate: keyctl padd asymmetric foo @s <dhowells.pem or a PGP key: keyctl padd asymmetric bar @s <dhowells.pub or a pointer into the contents of the TPM: keyctl add asymmetric zebra "TPM:04982390582905f8" @s Inside the kernel, pluggable parsers register themselves and then get to examine the payload data to see if they can handle it. If they can, they get to: (1) Propose a name for the key, to be used it the name is "" or NULL. (2) Specify the key subtype. (3) Provide the data for the subtype. The key type asks the parser to do its stuff before a key is allocated and thus before the name is set. If successful, the parser stores the suggested data into the key_preparsed_payload struct, which will be either used (if the key is successfully created and instantiated or updated) or discarded. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> 2012-09-13 15:17:32 +01:00