#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 "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");
}
e0f72c7e964460676ad1250'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/soc/tegra/fuse.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=c090e111633cd82e4e0f72c7e964460676ad1250'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=c090e111633cd82e4e0f72c7e964460676ad1250'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/soc?id=c090e111633cd82e4e0f72c7e964460676ad1250'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/soc/tegra?id=c090e111633cd82e4e0f72c7e964460676ad1250'>tegra</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/soc/tegra/fuse.h?id=c090e111633cd82e4e0f72c7e964460676ad1250'>fuse.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c090e111633cd82e4e0f72c7e964460676ad1250'/><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>Thierry Reding &lt;treding@nvidia.com&gt;</td><td class='right'>2014-07-11 11:06:20 +0200</td></tr>
<tr><th>committer</th><td>Thierry Reding &lt;treding@nvidia.com&gt;</td><td class='right'>2014-07-17 14:58:42 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/soc/tegra/fuse.h?id=c090e111633cd82e4e0f72c7e964460676ad1250'>c090e111633cd82e4e0f72c7e964460676ad1250</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/soc/tegra/fuse.h?id=c090e111633cd82e4e0f72c7e964460676ad1250'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c090e111633cd82e4e0f72c7e964460676ad1250'>024d03408e6058f769680207462399ffc5997db8</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/soc/tegra/fuse.h?id=c090e111633cd82e4e0f72c7e964460676ad1250'>include/soc/tegra/fuse.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/soc/tegra/fuse.h?id=05ccf19602cc16fc96401b4f2617d1b8e20e642d'>05ccf19602cc16fc96401b4f2617d1b8e20e642d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/soc/tegra/fuse.h?id=c090e111633cd82e4e0f72c7e964460676ad1250&amp;id2=05ccf19602cc16fc96401b4f2617d1b8e20e642d'>diff</a>)</td></tr></table>
<div class='commit-subject'>ARM: tegra: Always lock the CPU reset vector</div><div class='commit-msg'>Currently the reset vector is not locked on Tegra20 because the hardware
doesn't support it. However in order not to depend on the chip ID, which
becomes available only later in the boot process, we set the bit anyway.

Signed-off-by: Thierry Reding &lt;treding@nvidia.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c090e111633cd82e4e0f72c7e964460676ad1250'>Diffstat</a> (limited to 'include/soc/tegra/fuse.h')</div><table summary='diffstat' class='diffstat'>