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c8e8236cf7
Ephemeral key generation can be requested from any of the ffdheXYZ(dh) variants' common ->set_secret() by passing it an (encoded) struct dh with the key parameter being unset, i.e. with ->key_size == 0. As the whole purpose of the ffdheXYZ(dh) templates is to fill in the group parameters as appropriate, they expect ->p and ->g to be unset in any input struct dh as well. This means that a user would have to encode an all-zeroes struct dh instance via crypto_dh_encode_key() when requesting ephemeral key generation from a ffdheXYZ(dh) instance, which is kind of pointless. Make dh_safe_prime_set_secret() to decode a struct dh from the supplied buffer only if the latter is non-NULL and initialize it with all zeroes otherwise. That is, it is now possible to call crypto_kpp_set_secret(tfm, NULL, 0); on any ffdheXYZ(dh) tfm for requesting ephemeral key generation. Signed-off-by: Nicolai Stange <nstange@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| net | ||
| samples | ||
| scripts | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| COPYING | ||
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| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.