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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include "authcmdlib.h"
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/*
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 * print a key in des standard form
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 */
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int
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keyfmt(Fmt *f)
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{
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	uchar key[8];
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	char buf[32];
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	uchar *k;
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	int i;
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	k = va_arg(f->args, uchar*);
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	key[0] = 0;
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	for(i = 0; i < 7; i++){
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		key[i] |= k[i] >> i;
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		key[i] &= ~1;
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		key[i+1] = k[i] << (7 - i);
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	}
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	key[7] &= ~1;
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	snprint(buf, sizeof buf,
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		"%.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo",
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		key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]);
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	fmtstrcpy(f, buf);
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	return 0;
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}