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- #include <u.h>
- #include <libc.h>
- #include <authsrv.h>
- int
- opasstokey(char *key, char *p)
- {
- uchar t[10];
- int c, n;
- n = strlen(p);
- memset(t, ' ', sizeof t);
- if(n < 5)
- return 0;
- if(n > 10)
- n = 10;
- strncpy((char*)t, p, n);
- if(n >= 9){
- c = p[8] & 0xf;
- if(n == 10)
- c += p[9] << 4;
- for(n = 0; n < 8; n++)
- if(c & (1 << n))
- t[n] -= ' ';
- }
- for(n = 0; n < 7; n++)
- key[n] = (t[n] >> n) + (t[n+1] << (8 - (n+1)));
- return 1;
- }
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