-/* apps/ecparam.c */
-/* ====================================================================
- * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
+/*
+ * Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-#ifndef OPENSSL_NO_ECDSA
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/bn.h>
-#include <openssl/ec.h>
-#include <openssl/ecdsa.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-
-#undef PROG
-#define PROG ecparam_main
-
-/* -inform arg - input format - default PEM (DER or PEM)
- * -outform arg - output format - default PEM
- * -in arg - input file - default stdin
- * -out arg - output file - default stdout
- * -noout
- * -text
- * -check - validate the ec parameters
- * -C
- * -noout
- * -name file - use the ecparameters with 'short name' name
- * -list_curves - prints a list of all currently available curve
- * 'short names' and exits
- * -conv_form - specifies the point conversion form
- * possible values : compressed
- * uncompressed (default)
- * hybrid
- * -param_enc - specifies the way the ec parameters are encoded
- * in the asn1 der encoding
- * possilbe values : named_curve (default)
- * explicit
- * -no_seed - if 'explicit' parameters are choosen do not
- * use the seed
- * -genkey - generates a ecdsa private key
- * -rand file
- * -engine e - use engine e, possible a hardware device
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
-static const char *curve_list[20] = {
- "prime192v1 - NIST recommended curve over a 192 bit prime field",
- "prime192v2 - 192 bit prime curve from the X9.62 draft",
- "prime192v3 - 192 bit prime curve from the X9.62 draft",
- "prime239v1 - 239 bit prime curve from the X9.62 draft",
- "prime239v2 - 239 bit prime curve from the X9.62 draft",
- "prime239v3 - 239 bit prime curve from the X9.62 draft",
- "prime256v1 - NIST recommended curve over a 256 bit prime field",
- "secp112r1 - SECG recommended curve over a 112 bit prime field",
- "secp112r2 - SECG recommended curve over a 112 bit prime field",
- "secp128r1 - SECG recommended curve over a 128 bit prime field",
- "secp128r2 - SECG recommended curve over a 128 bit prime field",
- "secp160k1 - SECG recommended curve over a 160 bit prime field",
- "secp160r1 - SECG recommended curve over a 160 bit prime field",
- "secp160r2 - SECG recommended curve over a 160 bit prime field",
- "secp192k1 - SECG recommended curve over a 192 bit prime field",
- "secp224k1 - SECG recommended curve over a 224 bit prime field",
- "secp224r1 - NIST recommended curve over a 224 bit prime field",
- "secp256k1 - SECG recommended curve over a 256 bit prime field",
- "secp384r1 - NIST recommended curve over a 384 bit prime field",
- "secp521r1 - NIST recommended curve over a 521 bit prime field"
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_EC
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# include <string.h>
+# include "apps.h"
+# include "progs.h"
+# include <openssl/bio.h>
+# include <openssl/err.h>
+# include <openssl/bn.h>
+# include <openssl/ec.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_TEXT, OPT_C,
+ OPT_CHECK, OPT_LIST_CURVES, OPT_NO_SEED, OPT_NOOUT, OPT_NAME,
+ OPT_CONV_FORM, OPT_PARAM_ENC, OPT_GENKEY, OPT_ENGINE,
+ OPT_R_ENUM
+} OPTION_CHOICE;
+
+const OPTIONS ecparam_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"inform", OPT_INFORM, 'F', "Input format - default PEM (DER or PEM)"},
+ {"outform", OPT_OUTFORM, 'F', "Output format - default PEM"},
+ {"in", OPT_IN, '<', "Input file - default stdin"},
+ {"out", OPT_OUT, '>', "Output file - default stdout"},
+ {"text", OPT_TEXT, '-', "Print the ec parameters in text form"},
+ {"C", OPT_C, '-', "Print a 'C' function creating the parameters"},
+ {"check", OPT_CHECK, '-', "Validate the ec parameters"},
+ {"list_curves", OPT_LIST_CURVES, '-',
+ "Prints a list of all curve 'short names'"},
+ {"no_seed", OPT_NO_SEED, '-',
+ "If 'explicit' parameters are chosen do not use the seed"},
+ {"noout", OPT_NOOUT, '-', "Do not print the ec parameter"},
+ {"name", OPT_NAME, 's',
+ "Use the ec parameters with specified 'short name'"},
+ {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "},
+ {"param_enc", OPT_PARAM_ENC, 's',
+ "Specifies the way the ec parameters are encoded"},
+ {"genkey", OPT_GENKEY, '-', "Generate ec key"},
+ OPT_R_OPTIONS,
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+# endif
+ {NULL}
};
-static int ecparam_print_var(BIO *,BIGNUM *,const char *,int,unsigned char *);
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
- {
- EC_GROUP *group = NULL;
- point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
- int new_form = 0;
- int asn1_flag = OPENSSL_EC_NAMED_CURVE;
- int new_asn1_flag = 0;
- char *curve_name = NULL, *inrand = NULL;
- int list_curves = 0, no_seed = 0, check = 0,
- badops = 0, text = 0, i, need_rand = 0, genkey = 0;
- char *infile = NULL, *outfile = NULL, *prog;
- BIO *in = NULL, *out = NULL;
- int informat, outformat, noout = 0, C = 0, ret = 1;
- ENGINE *e = NULL;
- char *engine = NULL;
-
- BIGNUM *ec_p = NULL, *ec_a = NULL, *ec_b = NULL,
- *ec_gen = NULL, *ec_order = NULL, *ec_cofactor = NULL;
- unsigned char *buffer = NULL;
-
- apps_startup();
-
- if (bio_err == NULL)
- if ((bio_err=BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
-
- if (!load_config(bio_err, NULL))
- goto end;
-
- informat=FORMAT_PEM;
- outformat=FORMAT_PEM;
-
- prog=argv[0];
- argc--;
- argv++;
- while (argc >= 1)
- {
- if (strcmp(*argv,"-inform") == 0)
- {
- if (--argc < 1) goto bad;
- informat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-outform") == 0)
- {
- if (--argc < 1) goto bad;
- outformat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-in") == 0)
- {
- if (--argc < 1) goto bad;
- infile= *(++argv);
- }
- else if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
- else if (strcmp(*argv,"-text") == 0)
- text = 1;
- else if (strcmp(*argv,"-C") == 0)
- C = 1;
- else if (strcmp(*argv,"-check") == 0)
- check = 1;
- else if (strcmp (*argv, "-name") == 0)
- {
- if (--argc < 1)
- goto bad;
- curve_name = *(++argv);
- }
- else if (strcmp(*argv, "-list_curves") == 0)
- list_curves = 1;
- else if (strcmp(*argv, "-conv_form") == 0)
- {
- if (--argc < 1)
- goto bad;
- ++argv;
- new_form = 1;
- if (strcmp(*argv, "compressed") == 0)
- form = POINT_CONVERSION_COMPRESSED;
- else if (strcmp(*argv, "uncompressed") == 0)
- form = POINT_CONVERSION_UNCOMPRESSED;
- else if (strcmp(*argv, "hybrid") == 0)
- form = POINT_CONVERSION_HYBRID;
- else
- goto bad;
- }
- else if (strcmp(*argv, "-param_enc") == 0)
- {
- if (--argc < 1)
- goto bad;
- ++argv;
- new_asn1_flag = 1;
- if (strcmp(*argv, "named_curve") == 0)
- asn1_flag = OPENSSL_EC_NAMED_CURVE;
- else if (strcmp(*argv, "explicit") == 0)
- asn1_flag = 0;
- else
- goto bad;
- }
- else if (strcmp(*argv, "-no_seed") == 0)
- no_seed = 1;
- else if (strcmp(*argv, "-noout") == 0)
- noout=1;
- else if (strcmp(*argv,"-genkey") == 0)
- {
- genkey=1;
- need_rand=1;
- }
- else if (strcmp(*argv, "-rand") == 0)
- {
- if (--argc < 1) goto bad;
- inrand= *(++argv);
- need_rand=1;
- }
- else if(strcmp(*argv, "-engine") == 0)
- {
- if (--argc < 1) goto bad;
- engine = *(++argv);
- }
- else
- {
- BIO_printf(bio_err,"unknown option %s\n",*argv);
- badops=1;
- break;
- }
- argc--;
- argv++;
- }
-
- if (badops)
- {
-bad:
- BIO_printf(bio_err, "%s [options] <infile >outfile\n",prog);
- BIO_printf(bio_err, "where options are\n");
- BIO_printf(bio_err, " -inform arg input format - "
- "default PEM (DER or PEM)\n");
- BIO_printf(bio_err, " -outform arg output format - "
- "default PEM\n");
- BIO_printf(bio_err, " -in arg input file - "
- "default stdin\n");
- BIO_printf(bio_err, " -out arg output file - "
- "default stdout\n");
- BIO_printf(bio_err, " -noout do not print the "
- "ec parameter\n");
- BIO_printf(bio_err, " -text print the ec "
- "parameters in text form\n");
- BIO_printf(bio_err, " -check validate the ec "
- "parameters\n");
- BIO_printf(bio_err, " -C print a 'C' "
- "function creating the parameters\n");
- BIO_printf(bio_err, " -name arg use the "
- "ec parameters with 'short name' name\n");
- BIO_printf(bio_err, " -list_curves prints a list of "
- "all currently available curve\n");
- BIO_printf(bio_err, " 'short names'\n");
- BIO_printf(bio_err, " -conv_form arg specifies the "
- "point conversion form \n");
- BIO_printf(bio_err, " possible values :"
- " compressed\n");
- BIO_printf(bio_err, " "
- " uncompressed (default)\n");
- BIO_printf(bio_err, " "
- " hybrid\n");
- BIO_printf(bio_err, " -param_enc arg specifies the way"
- " the ec parameters are encoded\n");
- BIO_printf(bio_err, " in the asn1 der "
- "encoding\n");
- BIO_printf(bio_err, " possilbe values :"
- " named_curve (default)\n");
- BIO_printf(bio_err," "
- " explicit\n");
- BIO_printf(bio_err, " -no_seed if 'explicit'"
- " parameters are choosen do not\n");
- BIO_printf(bio_err, " use the seed\n");
- BIO_printf(bio_err, " -genkey generate ecdsa"
- " key\n");
- BIO_printf(bio_err, " -rand file files to use for"
- " random number input\n");
- BIO_printf(bio_err, " -engine e use engine e, "
- "possible a hardware device\n");
- goto end;
- }
-
- ERR_load_crypto_strings();
-
- in=BIO_new(BIO_s_file());
- out=BIO_new(BIO_s_file());
- if ((in == NULL) || (out == NULL))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
-
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- goto end;
- }
- }
- if (outfile == NULL)
- {
- BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- out = BIO_push(tmpbio, out);
- }
-#endif
- }
- else
- {
- if (BIO_write_filename(out,outfile) <= 0)
- {
- perror(outfile);
- goto end;
- }
- }
-
- e = setup_engine(bio_err, engine, 0);
-
- if (list_curves)
- {
- int counter=0;
-
- for (; counter < sizeof(curve_list)/sizeof(char *); counter++)
- if (BIO_printf(bio_err, " %s\n", curve_list[counter])
- <= 0)
- goto end;
- ret = 0;
- goto end;
- }
-
- if (curve_name != NULL)
- {
- int nid = OBJ_sn2nid(curve_name);
-
- if (nid == 0)
- {
- BIO_printf(bio_err, "unknown curve name (%s)\n",
- curve_name);
- goto end;
- }
-
- group = EC_GROUP_new_by_nid(nid);
- if (group == NULL)
- {
- BIO_printf(bio_err, "unable to create curve (%s)\n",
- curve_name);
- goto end;
- }
- EC_GROUP_set_asn1_flag(group, asn1_flag);
- EC_GROUP_set_point_conversion_form(group, form);
- }
- else if (informat == FORMAT_ASN1)
- {
- group = d2i_ECPKParameters_bio(in, NULL);
- }
- else if (informat == FORMAT_PEM)
- {
- group = PEM_read_bio_ECPKParameters(in,NULL,NULL,NULL);
- }
- else
- {
- BIO_printf(bio_err, "bad input format specified\n");
- goto end;
- }
-
- if (group == NULL)
- {
- BIO_printf(bio_err,
- "unable to load elliptic curve parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
-
- if (new_form)
- EC_GROUP_set_point_conversion_form(group, form);
-
- if (new_asn1_flag)
- EC_GROUP_set_asn1_flag(group, asn1_flag);
-
- if (no_seed)
- {
- EC_GROUP_set_seed(group, NULL, 0);
- }
-
- if (text)
- {
- if (!ECPKParameters_print(out, group, 0))
- goto end;
- }
-
- if (check)
- {
- if (group == NULL)
- BIO_printf(bio_err, "no elliptic curve parameters\n");
- BIO_printf(bio_err, "checking elliptic curve parameters: ");
- if (!EC_GROUP_check(group, NULL))
- {
- BIO_printf(bio_err, "failed\n");
- ERR_print_errors(bio_err);
- }
- else
- BIO_printf(bio_err, "ok\n");
-
- }
-
- if (C)
- {
- size_t buf_len = 0, tmp_len = 0;
- const EC_POINT *point;
- int is_prime, len = 0;
- const EC_METHOD *meth = EC_GROUP_method_of(group);
-
- if ((ec_p = BN_new()) == NULL || (ec_a = BN_new()) == NULL ||
- (ec_b = BN_new()) == NULL || (ec_gen = BN_new()) == NULL ||
- (ec_order = BN_new()) == NULL ||
- (ec_cofactor = BN_new()) == NULL )
- {
- perror("OPENSSL_malloc");
- goto end;
- }
-
- is_prime = (EC_METHOD_get_field_type(meth) ==
- NID_X9_62_prime_field);
-
- if (is_prime)
- {
- if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a,
- ec_b, NULL))
- goto end;
- }
- else
- {
- /* TODO */
- goto end;
- }
-
- if ((point = EC_GROUP_get0_generator(group)) == NULL)
- goto end;
- if (!EC_POINT_point2bn(group, point,
- EC_GROUP_get_point_conversion_form(group), ec_gen,
- NULL))
- goto end;
- if (!EC_GROUP_get_order(group, ec_order, NULL))
- goto end;
- if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL))
- goto end;
-
- if (!ec_p || !ec_a || !ec_b || !ec_gen ||
- !ec_order || !ec_cofactor)
- goto end;
-
- len = BN_num_bits(ec_order);
-
- if ((tmp_len = (size_t)BN_num_bytes(ec_p)) > buf_len)
- buf_len = tmp_len;
- if ((tmp_len = (size_t)BN_num_bytes(ec_a)) > buf_len)
- buf_len = tmp_len;
- if ((tmp_len = (size_t)BN_num_bytes(ec_b)) > buf_len)
- buf_len = tmp_len;
- if ((tmp_len = (size_t)BN_num_bytes(ec_gen)) > buf_len)
- buf_len = tmp_len;
- if ((tmp_len = (size_t)BN_num_bytes(ec_order)) > buf_len)
- buf_len = tmp_len;
- if ((tmp_len = (size_t)BN_num_bytes(ec_cofactor)) > buf_len)
- buf_len = tmp_len;
-
- buffer = (unsigned char *)OPENSSL_malloc(buf_len);
-
- if (buffer == NULL)
- {
- perror("OPENSSL_malloc");
- goto end;
- }
-
- ecparam_print_var(out, ec_p, "ec_p", len, buffer);
- ecparam_print_var(out, ec_a, "ec_a", len, buffer);
- ecparam_print_var(out, ec_b, "ec_b", len, buffer);
- ecparam_print_var(out, ec_gen, "ec_gen", len, buffer);
- ecparam_print_var(out, ec_order, "ec_order", len, buffer);
- ecparam_print_var(out, ec_cofactor, "ec_cofactor", len,
- buffer);
-
- BIO_printf(out, "\n\n");
-
- BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\n\t{\n", len);
- BIO_printf(out, "\tint ok=0;\n");
- BIO_printf(out, "\tEC_GROUP *group = NULL;\n");
- BIO_printf(out, "\tEC_POINT *point = NULL;\n");
- BIO_printf(out, "\tBIGNUM *tmp_1 = NULL, *tmp_2 = NULL, "
- "*tmp_3 = NULL;\n\n");
- BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_p_%d, "
- "sizeof(ec_p_%d), NULL)) == NULL)\n\t\t"
- "goto err;\n", len, len);
- BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_a_%d, "
- "sizeof(ec_a_%d), NULL)) == NULL)\n\t\t"
- "goto err;\n", len, len);
- BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_b_%d, "
- "sizeof(ec_b_%d), NULL)) == NULL)\n\t\t"
- "goto err;\n", len, len);
- if (is_prime)
- {
- BIO_printf(out, "\tif ((group = EC_GROUP_new_curve_"
- "GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)"
- "\n\t\tgoto err;\n\n");
- }
- else
- {
- /* TODO */
- goto end;
- }
- BIO_printf(out, "\t/* build generator */\n");
- BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_gen_%d, "
- "sizeof(ec_gen_%d), tmp_1)) == NULL)"
- "\n\t\tgoto err;\n", len, len);
- BIO_printf(out, "\tpoint = EC_POINT_bn2point(group, tmp_1, "
- "NULL, NULL);\n");
- BIO_printf(out, "\tif (point == NULL)\n\t\tgoto err;\n");
- BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_order_%d, "
- "sizeof(ec_order_%d), tmp_2)) == NULL)"
- "\n\t\tgoto err;\n", len, len);
- BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_cofactor_%d, "
- "sizeof(ec_cofactor_%d), tmp_3)) == NULL)"
- "\n\t\tgoto err;\n", len, len);
- BIO_printf(out, "\tif (!EC_GROUP_set_generator(group, point,"
- " tmp_2, tmp_3))\n\t\tgoto err;\n");
- BIO_printf(out, "\n\tok=1;\n");
- BIO_printf(out, "err:\n");
- BIO_printf(out, "\tif (tmp_1)\n\t\tBN_free(tmp_1);\n");
- BIO_printf(out, "\tif (tmp_2)\n\t\tBN_free(tmp_2);\n");
- BIO_printf(out, "\tif (tmp_3)\n\t\tBN_free(tmp_3);\n");
- BIO_printf(out, "\tif (point)\n\t\tEC_POINT_free(point);\n");
- BIO_printf(out, "\tif (!ok)\n");
- BIO_printf(out, "\t\t{\n");
- BIO_printf(out, "\t\tEC_GROUP_free(group);\n");
- BIO_printf(out, "\t\tgroup = NULL;\n");
- BIO_printf(out, "\t\t}\n");
- BIO_printf(out, "\treturn(group);\n\t}\n");
- }
-
- if (!noout)
- {
- if (outformat == FORMAT_ASN1)
- i = i2d_ECPKParameters_bio(out, group);
- else if (outformat == FORMAT_PEM)
- i = PEM_write_bio_ECPKParameters(out, group);
- else
- {
- BIO_printf(bio_err,"bad output format specified for"
- " outfile\n");
- goto end;
- }
- if (!i)
- {
- BIO_printf(bio_err, "unable to write elliptic "
- "curve parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- if (need_rand)
- {
- app_RAND_load_file(NULL, bio_err, (inrand != NULL));
- if (inrand != NULL)
- BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
- app_RAND_load_files(inrand));
- }
-
- if (genkey)
- {
- ECDSA *ecdsa = ECDSA_new();
-
- if (ecdsa == NULL)
- goto end;
-
- assert(need_rand);
-
- ecdsa->group = group;
-
- if (!ECDSA_generate_key(ecdsa))
- {
- ecdsa->group = NULL;
- ECDSA_free(ecdsa);
- goto end;
- }
- if (outformat == FORMAT_ASN1)
- i = i2d_ECDSAPrivateKey_bio(out, ecdsa);
- else if (outformat == FORMAT_PEM)
- i = PEM_write_bio_ECDSAPrivateKey(out, ecdsa, NULL,
- NULL, 0, NULL, NULL);
- else
- {
- BIO_printf(bio_err, "bad output format specified "
- "for outfile\n");
- ecdsa->group = NULL;
- ECDSA_free(ecdsa);
- goto end;
- }
- ecdsa->group = NULL;
- ECDSA_free(ecdsa);
- }
-
- if (need_rand)
- app_RAND_write_file(NULL, bio_err);
-
- ret=0;
-end:
- if (ec_p)
- BN_free(ec_p);
- if (ec_a)
- BN_free(ec_a);
- if (ec_b)
- BN_free(ec_b);
- if (ec_gen)
- BN_free(ec_gen);
- if (ec_order)
- BN_free(ec_order);
- if (ec_cofactor)
- BN_free(ec_cofactor);
- if (buffer)
- OPENSSL_free(buffer);
- if (in != NULL)
- BIO_free(in);
- if (out != NULL)
- BIO_free_all(out);
- if (group != NULL)
- EC_GROUP_free(group);
- apps_shutdown();
- EXIT(ret);
+static OPT_PAIR forms[] = {
+ {"compressed", POINT_CONVERSION_COMPRESSED},
+ {"uncompressed", POINT_CONVERSION_UNCOMPRESSED},
+ {"hybrid", POINT_CONVERSION_HYBRID},
+ {NULL}
+};
+
+static OPT_PAIR encodings[] = {
+ {"named_curve", OPENSSL_EC_NAMED_CURVE},
+ {"explicit", 0},
+ {NULL}
+};
+
+int ecparam_main(int argc, char **argv)
+{
+ ENGINE *e = NULL;
+ BIGNUM *ec_gen = NULL, *ec_order = NULL, *ec_cofactor = NULL;
+ BIGNUM *ec_p = NULL, *ec_a = NULL, *ec_b = NULL;
+ BIO *in = NULL, *out = NULL;
+ EC_GROUP *group = NULL;
+ point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
+ char *curve_name = NULL;
+ char *infile = NULL, *outfile = NULL, *prog;
+ unsigned char *buffer = NULL;
+ OPTION_CHOICE o;
+ int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_asn1_flag = 0;
+ int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0;
+ int ret = 1, private = 0;
+ int list_curves = 0, no_seed = 0, check = 0, new_form = 0;
+ int text = 0, i, genkey = 0;
+
+ prog = opt_init(argc, argv, ecparam_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:
+ opt_help(ecparam_options);
+ ret = 0;
+ goto end;
+ case OPT_INFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
+ goto opthelp;
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_TEXT:
+ text = 1;
+ break;
+ case OPT_C:
+ C = 1;
+ break;
+ case OPT_CHECK:
+ check = 1;
+ break;
+ case OPT_LIST_CURVES:
+ list_curves = 1;
+ break;
+ case OPT_NO_SEED:
+ no_seed = 1;
+ break;
+ case OPT_NOOUT:
+ noout = 1;
+ break;
+ case OPT_NAME:
+ curve_name = opt_arg();
+ break;
+ case OPT_CONV_FORM:
+ if (!opt_pair(opt_arg(), forms, &new_form))
+ goto opthelp;
+ form = new_form;
+ new_form = 1;
+ break;
+ case OPT_PARAM_ENC:
+ if (!opt_pair(opt_arg(), encodings, &asn1_flag))
+ goto opthelp;
+ new_asn1_flag = 1;
+ break;
+ case OPT_GENKEY:
+ genkey = 1;
+ break;
+ case OPT_R_CASES:
+ if (!opt_rand(o))
+ goto end;
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ if (argc != 0)
+ goto opthelp;
+
+ private = genkey ? 1 : 0;
+
+ in = bio_open_default(infile, 'r', informat);
+ if (in == NULL)
+ goto end;
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ goto end;
+
+ if (list_curves) {
+ EC_builtin_curve *curves = NULL;
+ size_t crv_len = EC_get_builtin_curves(NULL, 0);
+ size_t n;
+
+ curves = app_malloc((int)sizeof(*curves) * crv_len, "list curves");
+ if (!EC_get_builtin_curves(curves, crv_len)) {
+ OPENSSL_free(curves);
+ goto end;
+ }
+
+ for (n = 0; n < crv_len; n++) {
+ const char *comment;
+ const char *sname;
+ comment = curves[n].comment;
+ sname = OBJ_nid2sn(curves[n].nid);
+ if (comment == NULL)
+ comment = "CURVE DESCRIPTION NOT AVAILABLE";
+ if (sname == NULL)
+ sname = "";
+
+ BIO_printf(out, " %-10s: ", sname);
+ BIO_printf(out, "%s\n", comment);
+ }
+
+ OPENSSL_free(curves);
+ ret = 0;
+ goto end;
+ }
+
+ if (curve_name != NULL) {
+ int nid;
+
+ /*
+ * workaround for the SECG curve names secp192r1 and secp256r1 (which
+ * are the same as the curves prime192v1 and prime256v1 defined in
+ * X9.62)
+ */
+ if (strcmp(curve_name, "secp192r1") == 0) {
+ BIO_printf(bio_err, "using curve name prime192v1 "
+ "instead of secp192r1\n");
+ nid = NID_X9_62_prime192v1;
+ } else if (strcmp(curve_name, "secp256r1") == 0) {
+ BIO_printf(bio_err, "using curve name prime256v1 "
+ "instead of secp256r1\n");
+ nid = NID_X9_62_prime256v1;
+ } else {
+ nid = OBJ_sn2nid(curve_name);
+ }
+
+ if (nid == 0)
+ nid = EC_curve_nist2nid(curve_name);
+
+ if (nid == 0) {
+ BIO_printf(bio_err, "unknown curve name (%s)\n", curve_name);
+ goto end;
+ }
+
+ group = EC_GROUP_new_by_curve_name(nid);
+ if (group == NULL) {
+ BIO_printf(bio_err, "unable to create curve (%s)\n", curve_name);
+ goto end;
+ }
+ EC_GROUP_set_asn1_flag(group, asn1_flag);
+ EC_GROUP_set_point_conversion_form(group, form);
+ } else if (informat == FORMAT_ASN1) {
+ group = d2i_ECPKParameters_bio(in, NULL);
+ } else {
+ group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
+ }
+ if (group == NULL) {
+ BIO_printf(bio_err, "unable to load elliptic curve parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ if (new_form)
+ EC_GROUP_set_point_conversion_form(group, form);
+
+ if (new_asn1_flag)
+ EC_GROUP_set_asn1_flag(group, asn1_flag);
+
+ if (no_seed) {
+ EC_GROUP_set_seed(group, NULL, 0);
+ }
+
+ if (text) {
+ if (!ECPKParameters_print(out, group, 0))
+ goto end;
+ }
+
+ if (check) {
+ BIO_printf(bio_err, "checking elliptic curve parameters: ");
+ if (!EC_GROUP_check(group, NULL)) {
+ BIO_printf(bio_err, "failed\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ BIO_printf(bio_err, "ok\n");
+
+ }
+
+ if (C) {
+ size_t buf_len = 0, tmp_len = 0;
+ const EC_POINT *point;
+ int is_prime, len = 0;
+ const EC_METHOD *meth = EC_GROUP_method_of(group);
+
+ if ((ec_p = BN_new()) == NULL
+ || (ec_a = BN_new()) == NULL
+ || (ec_b = BN_new()) == NULL
+ || (ec_gen = BN_new()) == NULL
+ || (ec_order = BN_new()) == NULL
+ || (ec_cofactor = BN_new()) == NULL) {
+ perror("Can't allocate BN");
+ goto end;
+ }
+
+ is_prime = (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field);
+ if (!is_prime) {
+ BIO_printf(bio_err, "Can only handle X9.62 prime fields\n");
+ goto end;
+ }
+
+ if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a, ec_b, NULL))
+ goto end;
+
+ if ((point = EC_GROUP_get0_generator(group)) == NULL)
+ goto end;
+ if (!EC_POINT_point2bn(group, point,
+ EC_GROUP_get_point_conversion_form(group),
+ ec_gen, NULL))
+ goto end;
+ if (!EC_GROUP_get_order(group, ec_order, NULL))
+ goto end;
+ if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL))
+ goto end;
+
+ if (!ec_p || !ec_a || !ec_b || !ec_gen || !ec_order || !ec_cofactor)
+ goto end;
+
+ len = BN_num_bits(ec_order);
+
+ if ((tmp_len = (size_t)BN_num_bytes(ec_p)) > buf_len)
+ buf_len = tmp_len;
+ if ((tmp_len = (size_t)BN_num_bytes(ec_a)) > buf_len)
+ buf_len = tmp_len;
+ if ((tmp_len = (size_t)BN_num_bytes(ec_b)) > buf_len)
+ buf_len = tmp_len;
+ if ((tmp_len = (size_t)BN_num_bytes(ec_gen)) > buf_len)
+ buf_len = tmp_len;
+ if ((tmp_len = (size_t)BN_num_bytes(ec_order)) > buf_len)
+ buf_len = tmp_len;
+ if ((tmp_len = (size_t)BN_num_bytes(ec_cofactor)) > buf_len)
+ buf_len = tmp_len;
+
+ buffer = app_malloc(buf_len, "BN buffer");
+
+ BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\n{\n", len);
+ print_bignum_var(out, ec_p, "ec_p", len, buffer);
+ print_bignum_var(out, ec_a, "ec_a", len, buffer);
+ print_bignum_var(out, ec_b, "ec_b", len, buffer);
+ print_bignum_var(out, ec_gen, "ec_gen", len, buffer);
+ print_bignum_var(out, ec_order, "ec_order", len, buffer);
+ print_bignum_var(out, ec_cofactor, "ec_cofactor", len, buffer);
+ BIO_printf(out, " int ok = 0;\n"
+ " EC_GROUP *group = NULL;\n"
+ " EC_POINT *point = NULL;\n"
+ " BIGNUM *tmp_1 = NULL;\n"
+ " BIGNUM *tmp_2 = NULL;\n"
+ " BIGNUM *tmp_3 = NULL;\n"
+ "\n");
+
+ BIO_printf(out, " if ((tmp_1 = BN_bin2bn(ec_p_%d, sizeof(ec_p_%d), NULL)) == NULL)\n"
+ " goto err;\n", len, len);
+ BIO_printf(out, " if ((tmp_2 = BN_bin2bn(ec_a_%d, sizeof(ec_a_%d), NULL)) == NULL)\n"
+ " goto err;\n", len, len);
+ BIO_printf(out, " if ((tmp_3 = BN_bin2bn(ec_b_%d, sizeof(ec_b_%d), NULL)) == NULL)\n"
+ " goto err;\n", len, len);
+ BIO_printf(out, " if ((group = EC_GROUP_new_curve_GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)\n"
+ " goto err;\n"
+ "\n");
+ BIO_printf(out, " /* build generator */\n");
+ BIO_printf(out, " if ((tmp_1 = BN_bin2bn(ec_gen_%d, sizeof(ec_gen_%d), tmp_1)) == NULL)\n"
+ " goto err;\n", len, len);
+ BIO_printf(out, " point = EC_POINT_bn2point(group, tmp_1, NULL, NULL);\n");
+ BIO_printf(out, " if (point == NULL)\n"
+ " goto err;\n");
+ BIO_printf(out, " if ((tmp_2 = BN_bin2bn(ec_order_%d, sizeof(ec_order_%d), tmp_2)) == NULL)\n"
+ " goto err;\n", len, len);
+ BIO_printf(out, " if ((tmp_3 = BN_bin2bn(ec_cofactor_%d, sizeof(ec_cofactor_%d), tmp_3)) == NULL)\n"
+ " goto err;\n", len, len);
+ BIO_printf(out, " if (!EC_GROUP_set_generator(group, point, tmp_2, tmp_3))\n"
+ " goto err;\n"
+ "ok = 1;"
+ "\n");
+ BIO_printf(out, "err:\n"
+ " BN_free(tmp_1);\n"
+ " BN_free(tmp_2);\n"
+ " BN_free(tmp_3);\n"
+ " EC_POINT_free(point);\n"
+ " if (!ok) {\n"
+ " EC_GROUP_free(group);\n"
+ " return NULL;\n"
+ " }\n"
+ " return (group);\n"
+ "}\n");
+ }
+
+ if (outformat == FORMAT_ASN1 && genkey)
+ noout = 1;
+
+ if (!noout) {
+ if (outformat == FORMAT_ASN1)
+ i = i2d_ECPKParameters_bio(out, group);
+ else
+ i = PEM_write_bio_ECPKParameters(out, group);
+ if (!i) {
+ BIO_printf(bio_err, "unable to write elliptic "
+ "curve parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ if (genkey) {
+ EC_KEY *eckey = EC_KEY_new();
+
+ if (eckey == NULL)
+ goto end;
+
+ if (EC_KEY_set_group(eckey, group) == 0) {
+ BIO_printf(bio_err, "unable to set group when generating key\n");
+ EC_KEY_free(eckey);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ if (new_form)
+ EC_KEY_set_conv_form(eckey, form);
+
+ if (!EC_KEY_generate_key(eckey)) {
+ BIO_printf(bio_err, "unable to generate key\n");
+ EC_KEY_free(eckey);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ assert(private);
+ if (outformat == FORMAT_ASN1)
+ i = i2d_ECPrivateKey_bio(out, eckey);
+ else
+ i = PEM_write_bio_ECPrivateKey(out, eckey, NULL,
+ NULL, 0, NULL, NULL);
+ EC_KEY_free(eckey);
+ }
+
+ ret = 0;
+ end:
+ BN_free(ec_p);
+ BN_free(ec_a);
+ BN_free(ec_b);
+ BN_free(ec_gen);
+ BN_free(ec_order);
+ BN_free(ec_cofactor);
+ OPENSSL_free(buffer);
+ EC_GROUP_free(group);
+ release_engine(e);
+ BIO_free(in);
+ BIO_free_all(out);
+ return ret;
}
-int ecparam_print_var(BIO *out, BIGNUM *in, const char *var,
- int len, unsigned char *buffer)
- {
- BIO_printf(out, "static unsigned char %s_%d[] = {", var, len);
- if (BN_is_zero(in))
- BIO_printf(out, "\n\t0x00");
- else
- {
- int i, l;
-
- l = BN_bn2bin(in, buffer);
- for (i=0; i<l-1; i++)
- {
- if ((i%12) == 0)
- BIO_printf(out, "\n\t");
- BIO_printf(out, "0x%02X,", buffer[i]);
- }
- if ((i%12) == 0)
- BIO_printf(out, "\n\t");
- BIO_printf(out, "0x%02X", buffer[i]);
- }
- BIO_printf(out, "\n\t};\n\n");
- return 1;
- }
#endif
projects / openssl.git / blobdiff