#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <stdio.h>

#include "rnd.h"
#include "die.h"
#include "str.h"
#include "crypto.h"
#include "curve.h"
#include "ioops.h"
#include "config.h"
#include "keypair.h"

void generate_keypair(void)
{
	struct passwd *pw = getpwuid(getuid());
	unsigned char publickey[crypto_box_pub_key_size];
	unsigned char secretkey[crypto_box_sec_key_size];
	char file[128];

	xmemset(publickey, 0, sizeof(publickey));
	xmemset(secretkey, 0, sizeof(secretkey));

	curve25519_selftest();

	printf("Reading from %s (this may take a while) ...\n",
	       HIG_ENTROPY_SOURCE);

	gen_key_bytes(secretkey, sizeof(secretkey));
	crypto_scalarmult_curve25519_base(publickey, secretkey);

	slprintf(file, sizeof(file), "%s/%s", pw->pw_dir, FILE_PUBKEY);
	write_blob_or_die(file, publickey, sizeof(publickey));
	printf("Public key written to %s!\n", file);

	slprintf(file, sizeof(file), "%s/%s", pw->pw_dir, FILE_PRIVKEY);
	write_blob_or_die(file, secretkey, sizeof(secretkey));
	printf("Secret key written to %s!\n", file);

	xmemset(publickey, 0, sizeof(publickey));
	xmemset(secretkey, 0, sizeof(secretkey));
}

void verify_keypair(void)
{
	int result;
	struct passwd *pw = getpwuid(getuid());
	unsigned char publickey[crypto_box_pub_key_size];
	unsigned char publicres[crypto_box_pub_key_size];
	unsigned char secretkey[crypto_box_sec_key_size];
	char file[128];

	curve25519_selftest();

	xmemset(publickey, 0, sizeof(publickey));
	xmemset(publicres, 0, sizeof(publicres));
	xmemset(secretkey, 0, sizeof(secretkey));

	slprintf(file, sizeof(file), "%s/%s", pw->pw_dir, FILE_PUBKEY);
	read_blob_or_die(file, publickey, sizeof(publickey));

	slprintf(file, sizeof(file), "%s/%s", pw->pw_dir, FILE_PRIVKEY);
	read_blob_or_die(file, secretkey, sizeof(secretkey));

	crypto_scalarmult_curve25519_base(publicres, secretkey);
	result = crypto_verify_32(publicres, publickey);

	xmemset(publickey, 0, sizeof(publickey));
	xmemset(publicres, 0, sizeof(publicres));
	xmemset(secretkey, 0, sizeof(secretkey));

	if (result)
		panic("Keypair is corrupt! You need to regenerate!\n");
}
on/IRQ-affinity.txt?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/Documentation/IRQ-affinity.txt?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/Documentation/IRQ-affinity.txt'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/Documentation?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>Documentation</a>/<a href='/cgit.cgi/linux/net-next.git/commit/Documentation/IRQ-affinity.txt?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>IRQ-affinity.txt</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><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>Yan, Zheng &lt;zyan@redhat.com&gt;</td><td class='right'>2016-12-13 16:03:26 +0800</td></tr>
<tr><th>committer</th><td>Ilya Dryomov &lt;idryomov@gmail.com&gt;</td><td class='right'>2016-12-14 22:39:04 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/IRQ-affinity.txt?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2</a> (<a href='/cgit.cgi/linux/net-next.git/patch/Documentation/IRQ-affinity.txt?id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>1ed1cb12474a097c20c23dadf9261139df083132</a> /<a href='/cgit.cgi/linux/net-next.git/tree/Documentation/IRQ-affinity.txt?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>Documentation/IRQ-affinity.txt</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/IRQ-affinity.txt?h=nds-private-remove&amp;id=dc24de82d61b1edc3d195badd178e7875ba9398f'>dc24de82d61b1edc3d195badd178e7875ba9398f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation/IRQ-affinity.txt?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2&amp;id2=dc24de82d61b1edc3d195badd178e7875ba9398f'>diff</a>)</td></tr></table>
<div class='commit-subject'>ceph: avoid creating orphan object when checking pool permission</div><div class='commit-msg'>Pool permission check needs to write to the first object. But for
snapshot, head of the first object may have already been deleted.
Skip the check for snapshot inode to avoid creating orphan object.

Link: http://tracker.ceph.com/issues/18211
Signed-off-by: Yan, Zheng &lt;zyan@redhat.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=80e80fbb584dc0d0dc894c4965bc2a199c7cd3f2'>Diffstat</a> (limited to 'Documentation/IRQ-affinity.txt')</div><table summary='diffstat' class='diffstat'>