ref: a1c3c34c70431447a89fbe08c3475dbfaee7b672
dir: /sys/src/cmd/auth/lib/keyfmt.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <authsrv.h> #include "authcmdlib.h" /* * print a key in des standard form */ int deskeyfmt(Fmt *f) { uchar key[8]; char buf[32]; uchar *k; int i; k = va_arg(f->args, uchar*); key[0] = 0; for(i = 0; i < 7; i++){ key[i] |= k[i] >> i; key[i] &= ~1; key[i+1] = k[i] << (7 - i); } key[7] &= ~1; sprint(buf, "%.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo", key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]); fmtstrcpy(f, buf); return 0; }