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Allow ML-DSA module signing to be enabled.
Note that OpenSSL's CMS_*() function suite does not, as of OpenSSL-3.6,
support the use of CMS_NOATTR with ML-DSA, so the prohibition against using
signedAttrs with module signing has to be removed. The selected digest
then applies only to the algorithm used to calculate the digest stored in
the messageDigest attribute. The OpenSSL development branch has patches
applied that fix this[1], but it appears that that will only be available
in OpenSSL-4.
[1] https://github.com/openssl/openssl/pull/28923
sign-file won't set CMS_NOATTR if openssl is earlier than v4, resulting in
the use of signed attributes.
The ML-DSA algorithm takes the raw data to be signed without regard to what
digest algorithm is specified in the CMS message. The CMS specified digest
algorithm is ignored unless signedAttrs are used; in such a case, only
SHA512 is permitted.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jarkko Sakkinen <jarkko@kernel.org>
cc: Eric Biggers <ebiggers@kernel.org>
cc: Lukas Wunner <lukas@wunner.de>
cc: Ignat Korchagin <ignat@cloudflare.com>
cc: Stephan Mueller <smueller@chronox.de>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: keyrings@vger.kernel.org
cc: linux-crypto@vger.kernel.org
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Update the documentation to mention that ECC NIST P-384 automatic
keypair generation is available to use ECDSA signature type, in
addition to the RSA.
Drop mentions of the now removed SHA-1 and SHA-224 options.
Add the just added FIPS 202 SHA-3 module signature hashes.
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix typos in Documentation.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20230814212822.193684-4-helgaas@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix thirty five typos in dm-integrity.rst, dm-raid.rst, dm-zoned.rst,
verity.rst, writecache.rst, tsx_async_abort.rst, md.rst, bttv.rst,
dvb_references.rst, frontend-cardlist.rst, gspca-cardlist.rst, ipu3.rst,
remote-controller.rst, mm/index.rst, numaperf.rst, userfaultfd.rst,
module-signing.rst, imx-ddr.rst, intel-speed-select.rst,
intel_pstate.rst, ramoops.rst, abi.rst, kernel.rst, vm.rst
Signed-off-by: Andrew Klychkov <andrew.a.klychkov@gmail.com>
Link: https://lore.kernel.org/r/20201204072848.GA49895@spblnx124.lan
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Move the _if_ outside the verbatim string.
Make key ring name as a verbatim string.
Signed-off-by: Philipp Hahn <hahn@univention.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Commit d3bfe84129f65e0af2450743ebdab33d161d01c9 changed the name but did
not update the documentation.
Fixes: d3bfe84129f65e0af2450743ebdab33d161d01c9
Signed-off-by: Philipp Hahn <hahn@univention.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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- Fix identatio for the document title;
- remove its index;
- create a table for hash algorithm to be used;
- use quote blocks where needed;
- use monotonic fonts for parameters;
- adjust whitespaces and blank lines;
- Fix case on section titles;
- add it to the user's book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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