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1 #include <u.h>2 #include <libc.h>3 #include <authsrv.h>5 #define CHAR(x) *p++ = f->x6 #define SHORT(x) p[0] = f->x; p[1] = f->x>>8; p += 27 #define VLONG(q) p[0] = (q); p[1] = (q)>>8; p[2] = (q)>>16; p[3] = (q)>>24; p += 48 #define LONG(x) VLONG(f->x)9 #define STRING(x,n) memmove(p, f->x, n); p += n11 int12 convA2M(Authenticator *f, char *ap, char *key)13 {14 int n;15 uchar *p;17 p = (uchar*)ap;18 CHAR(num);19 STRING(chal, CHALLEN);20 LONG(id);21 n = p - (uchar*)ap;22 if(key)23 encrypt(key, ap, n);24 return n;25 }