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better seed initialization

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This commit is contained in:
deraadt 1994-05-30 04:52:26 +00:00
parent a01b12f71c
commit 6f91f0628a
1 changed files with 4 additions and 3 deletions
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7
usr.bin/skeyinit/skeyinit.c
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@ -8,7 +8,7 @@
*
* S/KEY initialization and seed update
*
* $Id: skeyinit.c,v 1.3 1994/05/30 03:54:37 cgd Exp $
* $Id: skeyinit.c,v 1.4 1994/05/30 04:52:26 deraadt Exp $
*/
#include <sys/param.h>
@ -49,8 +49,9 @@ main(argc, argv)
if (gethostname(hostname, sizeof(hostname)) < 0)
err(1, "gethostname");
for (i = 0; i < sizeof(defaultseed); i++)
defaultseed[i] = tbuf[i] ^ hostname[i];
strncpy(defaultseed, hostname, sizeof(defaultseed)- 1);
defaultseed[4] = '\0';
strncat(defaultseed, tbuf, sizeof(defaultseed) - 5);
if ((pp = getpwuid(getuid())) == NULL)
err(1, "no user with uid %d", getuid());