34 lines
517 B
C
34 lines
517 B
C
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#include <u.h>
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#include <libc.h>
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#include <authsrv.h>
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int
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passtokey(char *key, char *p)
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{
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uchar buf[ANAMELEN], *t;
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int i, n;
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n = strlen(p);
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if(n >= ANAMELEN)
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n = ANAMELEN-1;
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memset(buf, ' ', 8);
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t = buf;
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strncpy((char*)t, p, n);
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t[n] = 0;
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memset(key, 0, DESKEYLEN);
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for(;;){
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for(i = 0; i < DESKEYLEN; i++)
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key[i] = (t[i] >> i) + (t[i+1] << (8 - (i+1)));
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if(n <= 8)
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return 1;
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n -= 8;
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t += 8;
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if(n < 8){
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t -= 8 - n;
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n = 8;
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}
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encrypt(key, t, 8);
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}
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return 1; /* not reached */
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}
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