diff options
Diffstat (limited to 'apps/ecdsaparam.c')
-rw-r--r-- | apps/ecdsaparam.c | 660 |
1 files changed, 660 insertions, 0 deletions
diff --git a/apps/ecdsaparam.c b/apps/ecdsaparam.c new file mode 100644 index 0000000000..d3eca164e9 --- /dev/null +++ b/apps/ecdsaparam.c @@ -0,0 +1,660 @@ +/* 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 <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 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] <infile >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) + ECDSA_set_parameter_flags(ecdsa, ECDSA_FLAG_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; i<l; i++) + { + if ((i%12) == 0) printf("\n\t"); + printf("0x%02X,",data[i]); + } + printf("\n\t};\n\n"); + + l = BN_bn2bin(tmp_2, data); + printf("static unsigned char ecdsa%d_a[]={",bits_p); + for (i=0; i<l; i++) + { + if ((i%12) == 0) printf("\n\t"); + printf("0x%02X,",data[i]); + } + printf("\n\t};\n"); + + l = BN_bn2bin(tmp_3, data); + printf("static unsigned char ecdsa%d_b[]={", bits_p); + for (i=0; i<l; i++) + { + if ((i%12) == 0) printf("\n\t"); + printf("0x%02X,",data[i]); + } + printf("\n\t};\n\n"); + + l = BN_bn2bin(tmp_4, data); + printf("static unsigned char ecdsa%d_x[]={", bits_p); + for (i=0; i<l; i++) + { + if ((i%12) == 0) printf("\n\t"); + printf("0x%02X,",data[i]); + } + printf("\n\t};\n"); + + l = BN_bn2bin(tmp_5, data); + printf("static unsigned char ecdsa%d_y[]={", bits_p); + for (i=0; i<l; i++) + { + if ((i%12) == 0) printf("\n\t"); + printf("0x%02X,",data[i]); + } + printf("\n\t};\n"); + + l = BN_bn2bin(tmp_6, data); + printf("static unsigned char ecdsa%d_o[]={", bits_p); + for (i=0; i<l; i++) + { + if ((i%12) == 0) printf("\n\t"); + printf("0x%02X,",data[i]); + } + printf("\n\t};\n"); + + l = BN_bn2bin(tmp_7, data); + printf("static unsigned char ecdsa%d_c[]={", bits_p); + for (i=0; i<l; i++) + { + if ((i%12) == 0) printf("\n\t"); + printf("0x%02X,",data[i]); + } + printf("\n\t};\n\n"); + + /* FIXME: + * generated code should check for errors + */ + + printf("ECDSA *get_ecdsa%d(void)\n\t{\n",bits_p); + printf("\tint ok=0;\n"); + printf("\tECDSA *ecdsa=NULL;\n"); + printf("\tEC_POINT *point=NULL;\n"); + printf("\tBIGNUM *tmp_1=NULL,*tmp_2=NULL,*tmp_3=NULL;\n\n"); + printf("\tif ((ecdsa=ECDSA_new()) == NULL)\n"); + printf("\t\treturn(NULL);\n\n"); + printf("\t/* generate EC_GROUP structure */\n"); + printf("\tif ((tmp_1 = BN_bin2bn(ecdsa%d_p, sizeof(ecdsa%d_p), NULL)) == NULL) goto err;\n", bits_p, bits_p); + printf("\tif ((tmp_2 = BN_bin2bn(ecdsa%d_a, sizeof(ecdsa%d_a), NULL)) == NULL) goto err;\n", bits_p, bits_p); + printf("\tif ((tmp_3 = BN_bin2bn(ecdsa%d_b, sizeof(ecdsa%d_b), NULL)) == NULL) goto err;\n", bits_p, bits_p); + printf("\tif ((ecdsa->group = 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 |