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zhenwei pi 59ca6c9338 virtio-crypto: implement RSA algorithm
Support rsa & pkcs1pad(rsa,sha1) with priority 150.

Test with QEMU built-in backend, it works fine.
1, The self-test framework of crypto layer works fine in guest kernel
2, Test with Linux guest(with asym support), the following script
test(note that pkey_XXX is supported only in a newer version of keyutils):
  - both public key & private key
  - create/close session
  - encrypt/decrypt/sign/verify basic driver operation
  - also test with kernel crypto layer(pkey add/query)

All the cases work fine.

rm -rf *.der *.pem *.pfx
modprobe pkcs8_key_parser # if CONFIG_PKCS8_PRIVATE_KEY_PARSER=m
rm -rf /tmp/data
dd if=/dev/random of=/tmp/data count=1 bs=226

openssl req -nodes -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -subj "/C=CN/ST=BJ/L=HD/O=qemu/OU=dev/CN=qemu/emailAddress=qemu@qemu.org"
openssl pkcs8 -in key.pem -topk8 -nocrypt -outform DER -out key.der
openssl x509 -in cert.pem -inform PEM -outform DER -out cert.der

PRIV_KEY_ID=`cat key.der | keyctl padd asymmetric test_priv_key @s`
echo "priv key id = "$PRIV_KEY_ID
PUB_KEY_ID=`cat cert.der | keyctl padd asymmetric test_pub_key @s`
echo "pub key id = "$PUB_KEY_ID

keyctl pkey_query $PRIV_KEY_ID 0
keyctl pkey_query $PUB_KEY_ID 0

echo "Enc with priv key..."
keyctl pkey_encrypt $PRIV_KEY_ID 0 /tmp/data enc=pkcs1 >/tmp/enc.priv
echo "Dec with pub key..."
keyctl pkey_decrypt $PRIV_KEY_ID 0 /tmp/enc.priv enc=pkcs1 >/tmp/dec
cmp /tmp/data /tmp/dec

echo "Sign with priv key..."
keyctl pkey_sign $PRIV_KEY_ID 0 /tmp/data enc=pkcs1 hash=sha1 > /tmp/sig
echo "Verify with pub key..."
keyctl pkey_verify $PRIV_KEY_ID 0 /tmp/data /tmp/sig enc=pkcs1 hash=sha1

echo "Enc with pub key..."
keyctl pkey_encrypt $PUB_KEY_ID 0 /tmp/data enc=pkcs1 >/tmp/enc.pub
echo "Dec with priv key..."
keyctl pkey_decrypt $PRIV_KEY_ID 0 /tmp/enc.pub enc=pkcs1 >/tmp/dec
cmp /tmp/data /tmp/dec

echo "Verify with pub key..."
keyctl pkey_verify $PUB_KEY_ID 0 /tmp/data /tmp/sig enc=pkcs1 hash=sha1

[1 compiling warning during development]
Reported-by: kernel test robot <lkp@intel.com>

Co-developed-by: lei he <helei.sig11@bytedance.com>
Signed-off-by: lei he <helei.sig11@bytedance.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Link: https://lore.kernel.org/r/20220302033917.1295334-4-pizhenwei@bytedance.com
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org> #Kconfig tweaks
Link: https://lore.kernel.org/r/20220308205309.2192502-1-nathan@kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-03-28 16:52:58 -04:00
arch Fix for the SLS mitigation, which makes a "SETcc/RET" pair grow to 2022-03-20 09:46:52 -07:00
block block: release rq qos structures for queue without disk 2022-03-14 14:05:41 -06:00
certs certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty 2022-01-23 00:08:44 +09:00
crypto crypto: af_alg - get rid of alg_memory_allocated 2022-02-15 14:29:04 +00:00
Documentation ARM: SoC fixes for 5.17, part 3 2022-03-10 11:43:01 -08:00
drivers virtio-crypto: implement RSA algorithm 2022-03-28 16:52:58 -04:00
fs fix for regression in multiuser mount parm 2022-03-18 12:22:15 -07:00
include virtio-crypto: introduce akcipher service 2022-03-28 16:52:58 -04:00
init lib/stackdepot: allow optional init and stack_table allocation by kvmalloc() 2022-01-22 08:33:37 +02:00
ipc ipc/sem: do not sleep with a spin lock held 2022-02-04 09:25:05 -08:00
kernel configs/debug: restore DEBUG_INFO=y for overriding 2022-03-17 11:02:13 -07:00
lib ARM further fixes for 5.17-rc: 2022-03-02 16:11:56 -08:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm/balloon_compaction: make balloon page compaction callbacks static 2022-03-28 16:52:57 -04:00
net net: dsa: Add missing of_node_put() in dsa_port_parse_of 2022-03-17 13:13:27 +01:00
samples samples/seccomp: Adjust sample to also provide kill option 2022-02-10 19:09:12 -08:00
scripts kconfig: fix failing to generate auto.conf 2022-02-12 23:24:19 +09:00
security selinux/stable-5.17 PR 20220223 2022-02-23 17:19:55 -08:00
sound ALSA: intel_hdmi: Fix reference to PCM buffer address 2022-03-02 09:25:37 +01:00
tools perf parse-events: Ignore case in topdown.slots check 2022-03-18 18:39:09 -03:00
usr kbuild: remove include/linux/cyclades.h from header file check 2022-01-27 08:51:08 +01:00
virt KVM: Fix lockdep false negative during host resume 2022-02-17 09:52:50 -05:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap MAINTAINERS: Update Jisheng's email address 2022-03-08 17:30:32 +01:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Add Paolo Abeni to networking maintainers 2022-03-15 12:16:10 -07:00
Makefile Linux 5.17 2022-03-20 13:14:17 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.