- else if (!strcmp (*args, "-paramfile"))
- {
- if (!args[1])
- goto bad;
- args++;
- if (do_param == 1)
- goto bad;
- if (!init_keygen_file(bio_err, &ctx, *args, e))
- goto end;
- }
- else if (!strcmp (*args, "-out"))
- {
- if (args[1])
- {
- args++;
- outfile = *args;
- }
- else badarg = 1;
- }
- else if (strcmp(*args,"-algorithm") == 0)
- {
- if (!args[1])
- goto bad;
- if (!init_gen_str(bio_err, &ctx, *(++args),e, do_param))
- goto end;
- }
- else if (strcmp(*args,"-pkeyopt") == 0)
- {
- if (!args[1])
- goto bad;
- if (!ctx)
- {
- BIO_puts(bio_err, "No keytype specified\n");
- goto bad;
- }
- else if (pkey_ctrl_string(ctx, *(++args)) <= 0)
- {
- BIO_puts(bio_err, "parameter setting error\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else if (strcmp(*args,"-genparam") == 0)
- {
- if (ctx)
- goto bad;
- do_param = 1;
- }
- else if (strcmp(*args,"-text") == 0)
- text=1;
- else
- {
- cipher = EVP_get_cipherbyname(*args + 1);
- if (!cipher)
- {
- BIO_printf(bio_err, "Unknown cipher %s\n",
- *args + 1);
- badarg = 1;
- }
- if (do_param == 1)
- badarg = 1;
- }
- args++;
- }
-
- if (!ctx)
- badarg = 1;
-
- if (badarg)
- {
- bad:
- BIO_printf(bio_err, "Usage: genpkey [options]\n");
- BIO_printf(bio_err, "where options may be\n");
- BIO_printf(bio_err, "-out file output file\n");
- BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
- BIO_printf(bio_err, "-pass arg output file pass phrase source\n");
- BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n");
+ {"paramfile", OPT_PARAMFILE, '<', "Parameters file"},
+ {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"},
+ {"pkeyopt", OPT_PKEYOPT, 's',
+ "Set the public key algorithm option as opt:value"},
+
+ OPT_SECTION("Output"),
+ {"out", OPT_OUT, '>', "Output file"},
+ {"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"},
+ {"pass", OPT_PASS, 's', "Output file pass phrase source"},
+ {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"},
+ {"text", OPT_TEXT, '-', "Print the in text"},
+ {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"},
+
+ /* This is deliberately last. */
+ {OPT_HELP_STR, 1, 1,
+ "Order of options may be important! See the documentation.\n"},
+ {NULL}
+};
+
+int genpkey_main(int argc, char **argv)
+{
+ BIO *in = NULL, *out = NULL;
+ ENGINE *e = NULL;
+ EVP_PKEY *pkey = NULL;
+ EVP_PKEY_CTX *ctx = NULL;
+ char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog;
+ const EVP_CIPHER *cipher = NULL;
+ OPTION_CHOICE o;
+ int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0;
+ int private = 0;
+
+ prog = opt_init(argc, argv, genpkey_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ ret = 0;
+ opt_help(genpkey_options);
+ goto end;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_PASS:
+ passarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_PARAMFILE:
+ if (do_param == 1)
+ goto opthelp;
+ if (!init_keygen_file(&ctx, opt_arg(), e))
+ goto end;
+ break;
+ case OPT_ALGORITHM:
+ if (!init_gen_str(&ctx, opt_arg(), e, do_param))
+ goto end;
+ break;
+ case OPT_PKEYOPT:
+ if (ctx == NULL) {
+ BIO_printf(bio_err, "%s: No keytype specified.\n", prog);
+ goto opthelp;
+ }
+ if (pkey_ctrl_string(ctx, opt_arg()) <= 0) {
+ BIO_printf(bio_err,
+ "%s: Error setting %s parameter:\n",
+ prog, opt_arg());
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ break;
+ case OPT_GENPARAM:
+ if (ctx != NULL)
+ goto opthelp;
+ do_param = 1;
+ break;
+ case OPT_TEXT:
+ text = 1;
+ break;
+ case OPT_CIPHER:
+ if (!opt_cipher(opt_unknown(), &cipher)
+ || do_param == 1)
+ goto opthelp;
+ if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE ||
+ EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE ||
+ EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE ||
+ EVP_CIPHER_mode(cipher) == EVP_CIPH_OCB_MODE) {
+ BIO_printf(bio_err, "%s: cipher mode not supported\n", prog);
+ goto end;
+ }
+ }
+ }
+ argc = opt_num_rest();
+ if (argc != 0)
+ goto opthelp;
+
+ private = do_param ? 0 : 1;
+
+ if (ctx == NULL)
+ goto opthelp;
+
+ if (!app_passwd(passarg, NULL, &pass, NULL)) {
+ BIO_puts(bio_err, "Error getting password\n");
+ goto end;
+ }
+
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ goto end;
+
+ EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
+ EVP_PKEY_CTX_set_app_data(ctx, bio_err);
+
+ if (do_param) {
+ if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) {
+ BIO_puts(bio_err, "Error generating parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else {
+ if (EVP_PKEY_keygen(ctx, &pkey) <= 0) {
+ BIO_puts(bio_err, "Error generating key\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ if (do_param) {
+ rv = PEM_write_bio_Parameters(out, pkey);
+ } else if (outformat == FORMAT_PEM) {
+ assert(private);
+ rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass);
+ } else if (outformat == FORMAT_ASN1) {
+ assert(private);
+ rv = i2d_PrivateKey_bio(out, pkey);
+ } else {
+ BIO_printf(bio_err, "Bad format specified for key\n");
+ goto end;
+ }
+
+ if (rv <= 0) {
+ BIO_puts(bio_err, "Error writing key\n");
+ ERR_print_errors(bio_err);
+ }
+
+ if (text) {
+ if (do_param)
+ rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
+ else
+ rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
+
+ if (rv <= 0) {
+ BIO_puts(bio_err, "Error printing key\n");
+ ERR_print_errors(bio_err);
+ }
+ }
+
+ ret = 0;
+
+ end:
+ EVP_PKEY_free(pkey);
+ EVP_PKEY_CTX_free(ctx);
+ BIO_free_all(out);
+ BIO_free(in);
+ release_engine(e);
+ OPENSSL_free(pass);
+ return ret;
+}
+
+static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e)
+{
+ BIO *pbio;
+ EVP_PKEY *pkey = NULL;
+ EVP_PKEY_CTX *ctx = NULL;
+ if (*pctx) {
+ BIO_puts(bio_err, "Parameters already set!\n");
+ return 0;
+ }
+
+ pbio = BIO_new_file(file, "r");
+ if (pbio == NULL) {
+ BIO_printf(bio_err, "Can't open parameter file %s\n", file);
+ return 0;
+ }
+
+ pkey = PEM_read_bio_Parameters(pbio, NULL);
+ BIO_free(pbio);
+
+ if (pkey == NULL) {
+ BIO_printf(bio_err, "Error reading parameter file %s\n", file);
+ return 0;
+ }
+
+ ctx = EVP_PKEY_CTX_new(pkey, e);
+ if (ctx == NULL)
+ goto err;
+ if (EVP_PKEY_keygen_init(ctx) <= 0)
+ goto err;
+ EVP_PKEY_free(pkey);
+ *pctx = ctx;
+ return 1;
+
+ err:
+ BIO_puts(bio_err, "Error initializing context\n");
+ ERR_print_errors(bio_err);
+ EVP_PKEY_CTX_free(ctx);
+ EVP_PKEY_free(pkey);
+ return 0;
+
+}
+
+int init_gen_str(EVP_PKEY_CTX **pctx,
+ const char *algname, ENGINE *e, int do_param)
+{
+ EVP_PKEY_CTX *ctx = NULL;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE *tmpeng = NULL;
+ int pkey_id;
+
+ if (*pctx) {
+ BIO_puts(bio_err, "Algorithm already set!\n");
+ return 0;
+ }
+
+ ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
+