ref: 04c4a9ca8b06e34a203f7ddacc2263cf2077e1aa
dir: /sys/src/libc/port/netcrypt.c/
#include <u.h> #include <libc.h> int netcrypt(void *key, void *chal) { uchar buf[8], *p; strncpy((char*)buf, chal, 7); buf[7] = '\0'; for(p = buf; *p && *p != '\n'; p++) ; *p = '\0'; encrypt(key, buf, 8); sprint(chal, "%.2ux%.2ux%.2ux%.2ux", buf[0], buf[1], buf[2], buf[3]); return 1; }