/*
 * Copyright (C) 2010 IBM Corporation
 * Copyright (C) 2010 Politecnico di Torino, Italy
 *                    TORSEC group -- http://security.polito.it
 *
 * Authors:
 * Mimi Zohar <zohar@us.ibm.com>
 * Roberto Sassu <roberto.sassu@polito.it>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2 of the License.
 *
 * See Documentation/security/keys-trusted-encrypted.txt
 */

#include <linux/uaccess.h>
#include <linux/module.h>
#include <linux/err.h>
#include <keys/trusted-type.h>
#include <keys/encrypted-type.h>
#include "encrypted.h"

/*
 * request_trusted_key - request the trusted key
 *
 * Trusted keys are sealed to PCRs and other metadata. Although userspace
 * manages both trusted/encrypted key-types, like the encrypted key type
 * data, trusted key type data is not visible decrypted from userspace.
 */
struct key *request_trusted_key(const char *trusted_desc,
				const u8 **master_key, size_t *master_keylen)
{
	struct trusted_key_payload *tpayload;
	struct key *tkey;

	tkey = request_key(&key_type_trusted, trusted_desc, NULL);
	if (IS_ERR(tkey))
		goto error;

	down_read(&tkey->sem);
	tpayload = tkey->payload.data[0];
	*master_key = tpayload->key;
	*master_keylen = tpayload->key_len;
error:
	return tkey;
}
<td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/sound/soc/codecs/adav801.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/codecs/adav801.c?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/codecs/adav801.c?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/codecs/adav801.c?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/soc/codecs/adav801.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/codecs?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>codecs</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/codecs/adav801.c?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5'>adav801.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/codecs/adav801.c?h=nds-private-remove&amp;id=7d4d5065ecb0cea9c5815d5e0df5fb586c5ee9b5&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
ion><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Charles Keepax &lt;ckeepax@opensource.wolfsonmicro.com&gt;</td><td class='right'>2016-10-21 14:47:42 +0100</td></tr>
<tr><th>committer</th><td>Mark Brown &lt;broonie@kernel.org&gt;</td><td class='right'>2016-10-24 17:43:05 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/reset/amlogic,meson8b-reset.h?id=88f0e3a5e6ed674f485d3a09d53c2ead0000378d'>88f0e3a5e6ed674f485d3a09d53c2ead0000378d</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/dt-bindings/reset/amlogic,meson8b-reset.h?id=88f0e3a5e6ed674f485d3a09d53c2ead0000378d'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=88f0e3a5e6ed674f485d3a09d53c2ead0000378d'>8214d62db45ab4ab9a54c475e0b91ea8d7ebdfa9</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/reset/amlogic,meson8b-reset.h?id=88f0e3a5e6ed674f485d3a09d53c2ead0000378d'>include/dt-bindings/reset/amlogic,meson8b-reset.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/reset/amlogic,meson8b-reset.h?id=1001354ca34179f3db924eb66672442a173147dc'>1001354ca34179f3db924eb66672442a173147dc</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/reset/amlogic,meson8b-reset.h?id=88f0e3a5e6ed674f485d3a09d53c2ead0000378d&amp;id2=1001354ca34179f3db924eb66672442a173147dc'>diff</a>)</td></tr></table>
<div class='commit-subject'>regulator: arizona-ldo1: Set appropriate value for ramp_delay</div><div class='commit-msg'>Signed-off-by: Charles Keepax &lt;ckeepax@opensource.wolfsonmicro.com&gt;
Signed-off-by: Mark Brown &lt;broonie@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=88f0e3a5e6ed674f485d3a09d53c2ead0000378d'>Diffstat</a> (limited to 'include/dt-bindings/reset/amlogic,meson8b-reset.h')</div><table summary='diffstat' class='diffstat'>