ref: 8188b4f4f0e07b6669e6ae3c6c1099af917eaab4
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; }