+ fprintf(stderr, "Usage: %s [options]\n", __progname);
+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, " -b bits Number of bits in the key to create.\n");
+ fprintf(stderr, " -c Change comment in private and public key files.\n");
+ fprintf(stderr, " -e Convert OpenSSH to IETF SECSH key file.\n");
+ fprintf(stderr, " -f filename Filename of the key file.\n");
+ fprintf(stderr, " -g Use generic DNS resource record format.\n");
+ fprintf(stderr, " -i Convert IETF SECSH to OpenSSH key file.\n");
+ fprintf(stderr, " -l Show fingerprint of key file.\n");
+ fprintf(stderr, " -p Change passphrase of private key file.\n");
+ fprintf(stderr, " -q Quiet.\n");
+ fprintf(stderr, " -y Read private key file and print public key.\n");
+ fprintf(stderr, " -t type Specify type of key to create.\n");
+ fprintf(stderr, " -B Show bubblebabble digest of key file.\n");
+ fprintf(stderr, " -C comment Provide new comment.\n");
+ fprintf(stderr, " -N phrase Provide new passphrase.\n");
+ fprintf(stderr, " -P phrase Provide old passphrase.\n");
+ fprintf(stderr, " -r hostname Print DNS resource record.\n");
+#ifdef SMARTCARD
+ fprintf(stderr, " -D reader Download public key from smartcard.\n");
+ fprintf(stderr, " -U reader Upload private key to smartcard.\n");
+#endif /* SMARTCARD */
+
+ fprintf(stderr, " -G file Generate candidates for DH-GEX moduli\n");
+ fprintf(stderr, " -T file Screen candidates for DH-GEX moduli\n");
+