/* apps/ecdsaparam.c */ /* ==================================================================== * Copyright (c) 1998-2002 The OpenSSL Project. 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). * */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * 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 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 acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS 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 AUTHOR OR 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. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #ifndef OPENSSL_NO_ECDSA #include #include #include #include #include #include "apps.h" #include #include #include #include #include #include #include #undef PROG #define PROG ecdsaparam_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 * -genkey - generate a private public keypair based on the supplied curve * -named_curve - use the curve oid instead of the parameters * -NIST_192 - use the NIST recommended curve parameters over a 192 bit prime field * -NIST_224 - use the NIST recommended curve parameters over a 224 bit prime field * -NIST_256 - use the NIST recommended curve parameters over a 256 bit prime field * -NIST_384 - use the NIST recommended curve parameters over a 384 bit prime field * -NIST_521 - use the NIST recommended curve parameters over a 521 bit prime field * -X9_62_192v1 - use the X9_62 192v1 example curve over a 192 bit prime field * -X9_62_192v2 - use the X9_62 192v2 example curve over a 192 bit prime field * -X9_62_192v3 - use the X9_62 192v3 example curve over a 192 bit prime field * -X9_62_239v1 - use the X9_62 239v1 example curve over a 239 bit prime field * -X9_62_239v2 - use the X9_62 239v2 example curve over a 239 bit prime field * -X9_62_239v3 - use the X9_62 239v3 example curve over a 239 bit prime field * -X9_62_256v1 - use the X9_62 239v1 example curve over a 256 bit prime field * -SECG_PRIME_112R1 - use the SECG 112r1 recommended curve over a 112 bit prime field * -SECG_PRIME_112R2 - use the SECG 112r2 recommended curve over a 112 bit prime field * -SECG_PRIME_128R1 - use the SECG 128r1 recommended curve over a 128 bit prime field * -SECG_PRIME_128R2 - use the SECG 128r2 recommended curve over a 128 bit prime field * -SECG_PRIME_160K1 - use the SECG 160k1 recommended curve over a 160 bit prime field * -SECG_PRIME_160R1 - use the SECG 160r1 recommended curve over a 160 bit prime field * -SECG_PRIME_160R2 - use the SECG 160r2 recommended curve over a 160 bit prime field * -SECG_PRIME_192K1 - use the SECG 192k1 recommended curve over a 192 bit prime field * -SECG_PRIME_192R1 - use the SECG 192r1 recommended curve over a 192 bit prime field * -SECG_PRIME_224K1 - use the SECG 224k1 recommended curve over a 224 bit prime field * -SECG_PRIME_224R1 - use the SECG 224r1 recommended curve over a 224 bit prime field * -SECG_PRIME_256K1 - use the SECG 256k1 recommended curve over a 256 bit prime field * -SECG_PRIME_256R1 - use the SECG 256r1 recommended curve over a 256 bit prime field * -SECG_PRIME_384R1 - use the SECG 384r1 recommended curve over a 384 bit prime field * -SECG_PRIME_521R1 - use the SECG 521r1 recommended curve over a 521 bit prime field * -WTLS_6 - use the WAP/WTLS recommended curve number 6 over a 112 bit field * -WTLS_8 - use the WAP/WTLS recommended curve number 8 over a 112 bit field * -WTLS_9 - use the WAP/WTLS recommended curve number 9 over a 160 bit field */ int MAIN(int, char **); int MAIN(int argc, char **argv) { ENGINE *e = NULL; ECDSA *ecdsa = NULL; int i, badops = 0, text = 0; BIO *in = NULL, *out = NULL; int informat, outformat, noout = 0, C = 0, ret = 1; char *infile, *outfile, *prog, *inrand = NULL; int genkey = 0; int check = 0; int need_rand = 0; char *engine=NULL; int curve_type = EC_GROUP_NO_CURVE; int named_curve = 0; BIGNUM *tmp_1 = NULL, *tmp_2 = NULL, *tmp_3 = NULL, *tmp_4 = NULL, *tmp_5 = NULL, *tmp_6 = NULL, *tmp_7 = NULL; BN_CTX *ctx = NULL; EC_POINT *point = NULL; unsigned char *data = 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; infile=NULL; outfile=NULL; 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, "-engine") == 0) { if (--argc < 1) goto bad; engine = *(++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,"-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, "-named_curve") == 0) named_curve = 1; else if (strcmp(*argv, "-NIST_192") == 0) curve_type = EC_GROUP_NIST_PRIME_192; else if (strcmp(*argv, "-NIST_224") == 0) curve_type = EC_GROUP_NIST_PRIME_224; else if (strcmp(*argv, "-NIST_256") == 0) curve_type = EC_GROUP_NIST_PRIME_256; else if (strcmp(*argv, "-NIST_384") == 0) curve_type = EC_GROUP_NIST_PRIME_384; else if (strcmp(*argv, "-NIST_521") == 0) curve_type = EC_GROUP_NIST_PRIME_521; else if (strcmp(*argv, "-X9_62_192v1") == 0) curve_type = EC_GROUP_X9_62_PRIME_192V1; else if (strcmp(*argv, "-X9_62_192v2") == 0) curve_type = EC_GROUP_X9_62_PRIME_192V2; else if (strcmp(*argv, "-X9_62_192v3") == 0) curve_type = EC_GROUP_X9_62_PRIME_192V3; else if (strcmp(*argv, "-X9_62_239v1") == 0) curve_type = EC_GROUP_X9_62_PRIME_239V1; else if (strcmp(*argv, "-X9_62_239v2") == 0) curve_type = EC_GROUP_X9_62_PRIME_239V2; else if (strcmp(*argv, "-X9_62_239v3") == 0) curve_type = EC_GROUP_X9_62_PRIME_239V3; else if (strcmp(*argv, "-X9_62_256v1") == 0) curve_type = EC_GROUP_X9_62_PRIME_256V1; else if (strcmp(*argv, "-SECG_PRIME_112R1") == 0) curve_type = EC_GROUP_SECG_PRIME_112R1; else if (strcmp(*argv, "-SECG_PRIME_112R2") == 0) curve_type = EC_GROUP_SECG_PRIME_112R2; else if (strcmp(*argv, "-SECG_PRIME_128R1") == 0) curve_type = EC_GROUP_SECG_PRIME_128R1; else if (strcmp(*argv, "-SECG_PRIME_128R2") == 0) curve_type = EC_GROUP_SECG_PRIME_128R2; else if (strcmp(*argv, "-SECG_PRIME_160K1") == 0) curve_type = EC_GROUP_SECG_PRIME_160K1; else if (strcmp(*argv, "-SECG_PRIME_160R1") == 0) curve_type = EC_GROUP_SECG_PRIME_160R1; else if (strcmp(*argv, "-SECG_PRIME_160R2") == 0) curve_type = EC_GROUP_SECG_PRIME_160R2; else if (strcmp(*argv, "-SECG_PRIME_192K1") == 0) curve_type = EC_GROUP_SECG_PRIME_192K1; else if (strcmp(*argv, "-SECG_PRIME_192R1") == 0) curve_type = EC_GROUP_SECG_PRIME_192R1; else if (strcmp(*argv, "-SECG_PRIME_224K1") == 0) curve_type = EC_GROUP_SECG_PRIME_224K1; else if (strcmp(*argv, "-SECG_PRIME_224R1") == 0) curve_type = EC_GROUP_SECG_PRIME_224R1; else if (strcmp(*argv, "-SECG_PRIME_256K1") == 0) curve_type = EC_GROUP_SECG_PRIME_256K1; else if (strcmp(*argv, "-SECG_PRIME_256R1") == 0) curve_type = EC_GROUP_SECG_PRIME_256R1; else if (strcmp(*argv, "-SECG_PRIME_384R1") == 0) curve_type = EC_GROUP_SECG_PRIME_384R1; else if (strcmp(*argv, "-SECG_PRIME_521R1") == 0) curve_type = EC_GROUP_SECG_PRIME_521R1; else if (strcmp(*argv, "-WTLS_6") == 0) curve_type = EC_GROUP_WTLS_6; else if (strcmp(*argv, "-WTLS_8") == 0) curve_type = EC_GROUP_WTLS_8; else if (strcmp(*argv, "-WTLS_9") == 0) curve_type = EC_GROUP_WTLS_9; else if (strcmp(*argv, "-noout") == 0) noout=1; else { BIO_printf(bio_err,"unknown option %s\n",*argv); badops=1; break; } argc--; argv++; } if (badops) { bad: BIO_printf(bio_err,"%s [options] [bits] outfile\n",prog); BIO_printf(bio_err,"where options are\n"); BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); BIO_printf(bio_err," -in arg input file\n"); BIO_printf(bio_err," -out arg output file\n"); BIO_printf(bio_err," -text print as text\n"); BIO_printf(bio_err," -C Output C code\n"); BIO_printf(bio_err," -check validate the ec parameters\n"); BIO_printf(bio_err," -noout no output\n"); BIO_printf(bio_err," -rand files to use for random number input\n"); BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); BIO_printf(bio_err," -named_curve use the curve oid instead of the parameters\n"); BIO_printf(bio_err," -NIST_192 use the NIST recommended curve parameters over a 192 bit prime field\n"); BIO_printf(bio_err," -NIST_224 use the NIST recommended curve parameters over a 224 bit prime field\n"); BIO_printf(bio_err," -NIST_256 use the NIST recommended curve parameters over a 256 bit prime field\n"); BIO_printf(bio_err," -NIST_384 use the NIST recommended curve parameters over a 384 bit prime field\n"); BIO_printf(bio_err," -NIST_521 use the NIST recommended curve parameters over a 521 bit prime field\n"); BIO_printf(bio_err," -X9_62_192v1 use the X9_62 192v1 example curve over a 192 bit prime field\n"); BIO_printf(bio_err," -X9_62_192v2 use the X9_62 192v2 example curve over a 192 bit prime field\n"); BIO_printf(bio_err," -X9_62_192v3 use the X9_62 192v3 example curve over a 192 bit prime field\n"); BIO_printf(bio_err," -X9_62_239v1 use the X9_62 239v1 example curve over a 239 bit prime field\n"); BIO_printf(bio_err," -X9_62_239v2 use the X9_62 239v2 example curve over a 239 bit prime field\n"); BIO_printf(bio_err," -X9_62_239v3 use the X9_62 239v3 example curve over a 239 bit prime field\n"); BIO_printf(bio_err," -X9_62_256v1 use the X9_62 239v1 example curve over a 256 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_112R1 use the SECG 112r1 recommended curve over a 112 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_112R2 use the SECG 112r2 recommended curve over a 112 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_128R1 use the SECG 128r1 recommended curve over a 128 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_128R2 use the SECG 128r2 recommended curve over a 128 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_160K1 use the SECG 160k1 recommended curve over a 160 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_160R1 use the SECG 160r1 recommended curve over a 160 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_160R2 use the SECG 160r2 recommended curve over a 160 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_192K1 use the SECG 192k1 recommended curve over a 192 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_192R1 use the SECG 192r1 recommended curve over a 192 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_224K1 use the SECG 224k1 recommended curve over a 224 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_224R1 use the SECG 224r1 recommended curve over a 224 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_256K1 use the SECG 256k1 recommended curve over a 256 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_256R1 use the SECG 256r1 recommended curve over a 256 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_384R1 use the SECG 384r1 recommended curve over a 384 bit prime field\n"); BIO_printf(bio_err," -SECG_PRIME_521R1 use the SECG 521r1 recommended curve over a 521 bit prime field\n"); BIO_printf(bio_err," -WTLS_6 use the WAP/WTLS recommended curve number 6 over a 112 bit field\n"); BIO_printf(bio_err," -WTLS_8 use the WAP/WTLS recommended curve number 8 over a 112 bit field\n"); BIO_printf(bio_err," -WTLS_9 use the WAP/WTLS recommended curve number 9 over a 112 bit field\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 (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 (curve_type != EC_GROUP_NO_CURVE) { if ((ecdsa = ECDSA_new()) == NULL) goto end; ecdsa->group = EC_GROUP_new_by_name(curve_type); if (named_curve) EC_GROUP_set_asn1_flag(ecdsa->group, OPENSSL_EC_NAMED_CURVE); } else if (informat == FORMAT_ASN1) ecdsa = d2i_ECDSAParameters_bio(in,NULL); else if (informat == FORMAT_PEM) ecdsa = PEM_read_bio_ECDSAParameters(in, NULL, NULL, NULL); else { BIO_printf(bio_err, "bad input format specified\n"); goto end; } if (ecdsa == NULL) { BIO_printf(bio_err, "unable to load ECDSA parameters\n"); ERR_print_errors(bio_err); goto end; } if (text) { ECDSAParameters_print(out, ecdsa); } if (check) { if (ecdsa == NULL) BIO_printf(bio_err, "no elliptic curve parameters\n"); BIO_printf(bio_err, "checking elliptic curve parameters: "); if (!EC_GROUP_check(ecdsa->group, NULL)) { BIO_printf(bio_err, "failed\n"); ERR_print_errors(bio_err); } else BIO_printf(bio_err, "ok\n"); } if (C) { /* TODO: characteristic two */ int l, len, bits_p; if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL || (tmp_3 = BN_new()) == NULL || (tmp_4 = BN_new()) == NULL || (tmp_5 = BN_new()) == NULL || (tmp_6 = BN_new()) == NULL || (tmp_7 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL) { perror("OPENSSL_malloc"); goto end; } if (!EC_GROUP_get_curve_GFp(ecdsa->group, tmp_1, tmp_2, tmp_3, ctx)) goto end; if ((point = EC_GROUP_get0_generator(ecdsa->group)) == NULL) goto end; if (!EC_POINT_get_affine_coordinates_GFp(ecdsa->group, point, tmp_4, tmp_5, ctx)) goto end; if (!EC_GROUP_get_order(ecdsa->group, tmp_6, ctx)) goto end; if (!EC_GROUP_get_cofactor(ecdsa->group, tmp_7, ctx)) goto end; len = BN_num_bytes(tmp_1); bits_p = BN_num_bits(tmp_1); data=(unsigned char *)OPENSSL_malloc(len+20); if (data == NULL) { perror("OPENSSL_malloc"); goto end; } l = BN_bn2bin(tmp_1, data); printf("static unsigned char ecdsa%d_p[]={", bits_p); for (i=0; igroup = EC_GROUP_new_curve_GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL) goto err;\n\n"); printf("\t/* build generator */\n"); printf("\tif (!BN_bin2bn(ecdsa%d_x, sizeof(ecdsa%d_x), tmp_1)) goto err;\n", bits_p, bits_p); printf("\tif (!BN_bin2bn(ecdsa%d_y, sizeof(ecdsa%d_y), tmp_2)) goto err;\n", bits_p, bits_p); printf("\tif ((point = EC_POINT_new(ecdsa->group)) == NULL) goto err;\n"); printf("\tif (!EC_POINT_set_affine_coordinates_GFp(ecdsa->group, point, tmp_1, tmp_2, NULL)) goto err;\n"); printf("\t/* set generator, order and cofactor */\n"); printf("\tif (!BN_bin2bn(ecdsa%d_o, sizeof(ecdsa%d_o), tmp_1)) goto err;\n", bits_p, bits_p); printf("\tif (!BN_bin2bn(ecdsa%d_c, sizeof(ecdsa%d_c), tmp_2)) goto err;\n", bits_p, bits_p); printf("\tif (!EC_GROUP_set_generator(ecdsa->group, point, tmp_1, tmp_2)) goto err;\n"); printf("\n\tok=1;\n"); printf("err:\n"); printf("\tif (tmp_1) BN_free(tmp_1);\n"); printf("\tif (tmp_2) BN_free(tmp_2);\n"); printf("\tif (tmp_3) BN_free(tmp_3);\n"); printf("\tif (point) EC_POINT_free(point);\n"); printf("\tif (!ok)\n"); printf("\t\t{\n"); printf("\t\tECDSA_free(ecdsa);\n"); printf("\t\tecdsa = NULL;\n"); printf("\t\t}\n"); printf("\treturn(ecdsa);\n\t}\n"); } if (!noout) { if (outformat == FORMAT_ASN1) i = i2d_ECDSAParameters_bio(out, ecdsa); else if (outformat == FORMAT_PEM) i = PEM_write_bio_ECDSAParameters(out, ecdsa); else { BIO_printf(bio_err,"bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write ECDSA parameters\n"); ERR_print_errors(bio_err); goto end; } } if (genkey) { ECDSA *ecdsakey; assert(need_rand); if ((ecdsakey = ECDSAParameters_dup(ecdsa)) == NULL) goto end; if (!ECDSA_generate_key(ecdsakey)) goto end; if (outformat == FORMAT_ASN1) i = i2d_ECDSAPrivateKey_bio(out, ecdsakey); else if (outformat == FORMAT_PEM) i = PEM_write_bio_ECDSAPrivateKey(out, ecdsakey, NULL, NULL, 0, NULL, NULL); else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } ECDSA_free(ecdsakey); } if (need_rand) app_RAND_write_file(NULL, bio_err); ret=0; end: if (in != NULL) BIO_free(in); if (out != NULL) BIO_free_all(out); if (ecdsa != NULL) ECDSA_free(ecdsa); if (tmp_1) BN_free(tmp_1); if (tmp_2) BN_free(tmp_2); if (tmp_3) BN_free(tmp_3); if (tmp_3) BN_free(tmp_4); if (tmp_3) BN_free(tmp_5); if (tmp_3) BN_free(tmp_6); if (tmp_3) BN_free(tmp_7); if (ctx) BN_CTX_free(ctx); if (data) OPENSSL_free(data); apps_shutdown(); EXIT(ret); } #endif