ref: e55cb65c247a9cdfa0528d34dec70d435898d098
dir: /sys/src/cmd/auth/rsa2x509.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <auth.h> #include <mp.h> #include <libsec.h> #include "rsa2any.h" void usage(void) { fprint(2, "usage: auth/rsa2x509 [-e expireseconds] 'C=US ...CN=xxx' [key]\n"); exits("usage"); } void main(int argc, char **argv) { int len; uchar *cert; ulong valid[2]; RSApriv *key; fmtinstall('B', mpfmt); fmtinstall('H', encodefmt); valid[0] = time(0); valid[1] = valid[0] + 3*366*24*60*60; ARGBEGIN{ default: usage(); case 'e': valid[1] = valid[0] + strtoul(ARGF(), 0, 10); break; }ARGEND if(argc != 1 && argc != 2) usage(); if((key = getrsakey(argc-1, argv+1, 1, nil)) == nil) sysfatal("%r"); cert = X509rsagen(key, argv[0], valid, &len); if(cert == nil) sysfatal("X509rsagen: %r"); if(write(1, cert, len) != len) sysfatal("write: %r"); exits(nil); }