diff options
Diffstat (limited to 'apps/ecparam.c')
| -rw-r--r-- | apps/ecparam.c | 1181 |
1 files changed, 554 insertions, 627 deletions
diff --git a/apps/ecparam.c b/apps/ecparam.c index 4f6a654919..06ac77b838 100644 --- a/apps/ecparam.c +++ b/apps/ecparam.c @@ -10,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -58,34 +58,34 @@ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * - * Portions of the attached software ("Contribution") are developed by + * Portions of the attached software ("Contribution") are developed by * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. * * The Contribution is licensed pursuant to the OpenSSL open source * license provided above. * - * The elliptic curve binary polynomial software is originally written by + * The elliptic curve binary polynomial software is originally written by * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. * */ #include <openssl/opensslconf.h> #ifndef OPENSSL_NO_EC -#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/x509.h> -#include <openssl/pem.h> - -#undef PROG -#define PROG ecparam_main +# 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/x509.h> +# include <openssl/pem.h> + +# undef PROG +# define PROG ecparam_main /*- * -inform arg - input format - default PEM (DER or PEM) @@ -98,7 +98,7 @@ * -C - print a 'C' function creating the parameters * -name arg - use the ec parameters with 'short name' name * -list_curves - prints a list of all currently available curve 'short names' - * -conv_form arg - specifies the point conversion form + * -conv_form arg - specifies the point conversion form * - possible values: compressed * uncompressed (default) * hybrid @@ -112,624 +112,551 @@ * -engine e - use engine e, possibly a hardware device */ - -static int ecparam_print_var(BIO *,BIGNUM *,const char *,int,unsigned char *); +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; - 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 '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, " possible values:" - " named_curve (default)\n"); - BIO_printf(bio_err, " " - " explicit\n"); - BIO_printf(bio_err, " -no_seed if 'explicit'" - " parameters are chosen do not" - " use the seed\n"); - BIO_printf(bio_err, " -genkey generate ec" - " 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, " - "possibly 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; - } - } - -#ifndef OPENSSL_NO_ENGINE - setup_engine(bio_err, engine, 0); -#endif +{ + 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; + 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 '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, " possible values:" + " named_curve (default)\n"); + BIO_printf(bio_err, " " + " explicit\n"); + BIO_printf(bio_err, " -no_seed if 'explicit'" + " parameters are chosen do not" " use the seed\n"); + BIO_printf(bio_err, " -genkey generate ec" " 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, " + "possibly 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; + } + } + +# ifndef OPENSSL_NO_ENGINE + setup_engine(bio_err, engine, 0); +# endif - if (list_curves) - { - EC_builtin_curve *curves = NULL; - size_t crv_len = 0; - size_t n = 0; - - crv_len = EC_get_builtin_curves(NULL, 0); - - curves = OPENSSL_malloc((int)(sizeof(EC_builtin_curve) * crv_len)); - - if (curves == NULL) - goto end; - - 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")) - { - BIO_printf(bio_err, "using curve name prime192v1 " - "instead of secp192r1\n"); - nid = NID_X9_62_prime192v1; - } - else if (!strcmp(curve_name, "secp256r1")) - { - 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 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) - { - EC_KEY *eckey = EC_KEY_new(); - - if (eckey == NULL) - goto end; - - assert(need_rand); - - if (EC_KEY_set_group(eckey, group) == 0) - goto end; - - if (!EC_KEY_generate_key(eckey)) - { - EC_KEY_free(eckey); - goto end; - } - if (outformat == FORMAT_ASN1) - i = i2d_ECPrivateKey_bio(out, eckey); - else if (outformat == FORMAT_PEM) - i = PEM_write_bio_ECPrivateKey(out, eckey, NULL, - NULL, 0, NULL, NULL); - else - { - BIO_printf(bio_err, "bad output format specified " - "for outfile\n"); - EC_KEY_free(eckey); - goto end; - } - EC_KEY_free(eckey); - } - - 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(); - OPENSSL_EXIT(ret); + if (list_curves) { + EC_builtin_curve *curves = NULL; + size_t crv_len = 0; + size_t n = 0; + + crv_len = EC_get_builtin_curves(NULL, 0); + + curves = OPENSSL_malloc((int)(sizeof(EC_builtin_curve) * crv_len)); + + if (curves == NULL) + goto end; + + 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")) { + BIO_printf(bio_err, "using curve name prime192v1 " + "instead of secp192r1\n"); + nid = NID_X9_62_prime192v1; + } else if (!strcmp(curve_name, "secp256r1")) { + 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 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) { + EC_KEY *eckey = EC_KEY_new(); + + if (eckey == NULL) + goto end; + + assert(need_rand); + + if (EC_KEY_set_group(eckey, group) == 0) + goto end; + + if (!EC_KEY_generate_key(eckey)) { + EC_KEY_free(eckey); + goto end; + } + if (outformat == FORMAT_ASN1) + i = i2d_ECPrivateKey_bio(out, eckey); + else if (outformat == FORMAT_PEM) + i = PEM_write_bio_ECPrivateKey(out, eckey, NULL, + NULL, 0, NULL, NULL); + else { + BIO_printf(bio_err, "bad output format specified " + "for outfile\n"); + EC_KEY_free(eckey); + goto end; + } + EC_KEY_free(eckey); + } + + 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(); + OPENSSL_EXIT(ret); } static 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; - } -#else /* !OPENSSL_NO_EC */ + 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; +} +#else /* !OPENSSL_NO_EC */ # if PEDANTIC -static void *dummy=&dummy; +static void *dummy = &dummy; # endif #endif |