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0764ac2876
Currently, "cipher" (single-block cipher) spawns are usually initialized by using crypto_get_attr_alg() to look up the algorithm, then calling crypto_init_spawn(). In one case, crypto_grab_spawn() is used directly. The former way is different from how skcipher, aead, and akcipher spawns are initialized (they use crypto_grab_*()), and for no good reason. This difference introduces unnecessary complexity. The crypto_grab_*() functions used to have some problems, like not holding a reference to the algorithm and requiring the caller to initialize spawn->base.inst. But those problems are fixed now. Also, the cipher spawns are not strongly typed; e.g., the API requires that the user manually specify the flags CRYPTO_ALG_TYPE_CIPHER and CRYPTO_ALG_TYPE_MASK. Though the "cipher" algorithm type itself isn't yet strongly typed, we can start by making the spawns strongly typed. So, let's introduce a new 'struct crypto_cipher_spawn', and functions crypto_grab_cipher() and crypto_drop_cipher() to grab and drop them. Later patches will convert all cipher spawns to use these, then make crypto_spawn_cipher() take 'struct crypto_cipher_spawn' as well, instead of a bare 'struct crypto_spawn' as it currently does. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
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| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
| .mailmap | ||
| COPYING | ||
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| Kbuild | ||
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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.