+ argv++;
+ argc--;
+ for (;;) {
+ if (argc <= 0)
+ break;
+ if (strcmp(*argv, "-out") == 0) {
+ if (--argc < 1)
+ goto bad;
+ outfile = *(++argv);
+ } else if (strcmp(*argv, "-3") == 0)
+ f4 = 3;
+ else if (strcmp(*argv, "-F4") == 0 || strcmp(*argv, "-f4") == 0)
+ f4 = RSA_F4;
+# ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv, "-engine") == 0) {
+ if (--argc < 1)
+ goto bad;
+ engine = *(++argv);
+ }
+# endif
+ else if (strcmp(*argv, "-rand") == 0) {
+ if (--argc < 1)
+ goto bad;
+ inrand = *(++argv);
+ }
+# ifndef OPENSSL_NO_DES
+ else if (strcmp(*argv, "-des") == 0)
+ enc = EVP_des_cbc();
+ else if (strcmp(*argv, "-des3") == 0)
+ enc = EVP_des_ede3_cbc();
+# endif
+# ifndef OPENSSL_NO_IDEA
+ else if (strcmp(*argv, "-idea") == 0)
+ enc = EVP_idea_cbc();
+# endif
+# ifndef OPENSSL_NO_SEED
+ else if (strcmp(*argv, "-seed") == 0)
+ enc = EVP_seed_cbc();
+# endif
+# ifndef OPENSSL_NO_AES
+ else if (strcmp(*argv, "-aes128") == 0)
+ enc = EVP_aes_128_cbc();
+ else if (strcmp(*argv, "-aes192") == 0)
+ enc = EVP_aes_192_cbc();
+ else if (strcmp(*argv, "-aes256") == 0)
+ enc = EVP_aes_256_cbc();
+# endif
+# ifndef OPENSSL_NO_CAMELLIA
+ else if (strcmp(*argv, "-camellia128") == 0)
+ enc = EVP_camellia_128_cbc();
+ else if (strcmp(*argv, "-camellia192") == 0)
+ enc = EVP_camellia_192_cbc();
+ else if (strcmp(*argv, "-camellia256") == 0)
+ enc = EVP_camellia_256_cbc();
+# endif
+ else if (strcmp(*argv, "-passout") == 0) {
+ if (--argc < 1)
+ goto bad;
+ passargout = *(++argv);
+ } else
+ break;
+ argv++;
+ argc--;
+ }
+ if ((argc >= 1) && ((sscanf(*argv, "%d", &num) == 0) || (num < 0))) {
+ bad:
+ BIO_printf(bio_err, "usage: genrsa [args] [numbits]\n");
+ BIO_printf(bio_err,
+ " -des encrypt the generated key with DES in cbc mode\n");
+ BIO_printf(bio_err,
+ " -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
+# ifndef OPENSSL_NO_IDEA
+ BIO_printf(bio_err,
+ " -idea encrypt the generated key with IDEA in cbc mode\n");
+# endif
+# ifndef OPENSSL_NO_SEED
+ BIO_printf(bio_err, " -seed\n");
+ BIO_printf(bio_err,
+ " encrypt PEM output with cbc seed\n");
+# endif
+# ifndef OPENSSL_NO_AES
+ BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
+ BIO_printf(bio_err,
+ " encrypt PEM output with cbc aes\n");
+# endif
+# ifndef OPENSSL_NO_CAMELLIA
+ BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
+ BIO_printf(bio_err,
+ " encrypt PEM output with cbc camellia\n");
+# endif
+ BIO_printf(bio_err, " -out file output the key to 'file\n");
+ BIO_printf(bio_err,
+ " -passout arg output file pass phrase source\n");
+ BIO_printf(bio_err,
+ " -f4 use F4 (0x10001) for the E value\n");
+ BIO_printf(bio_err, " -3 use 3 for the E value\n");
+# ifndef OPENSSL_NO_ENGINE
+ BIO_printf(bio_err,
+ " -engine e use engine e, possibly a hardware device.\n");
+# endif
+ BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
+ LIST_SEPARATOR_CHAR);
+ BIO_printf(bio_err,
+ " load the file (or the files in the directory) into\n");
+ BIO_printf(bio_err, " the random number generator\n");
+ goto err;
+ }