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Diffstat (limited to 'openssl/apps/ec.c')
| -rw-r--r-- | openssl/apps/ec.c | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/openssl/apps/ec.c b/openssl/apps/ec.c new file mode 100644 index 000000000..771e15f35 --- /dev/null +++ b/openssl/apps/ec.c @@ -0,0 +1,403 @@ +/* apps/ec.c */ +/* + * Written by Nils Larsch for the OpenSSL project. + */ +/* ==================================================================== + * Copyright (c) 1998-2005 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). + * + */ + +#include <openssl/opensslconf.h> +#ifndef OPENSSL_NO_EC +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "apps.h" +#include <openssl/bio.h> +#include <openssl/err.h> +#include <openssl/evp.h> +#include <openssl/pem.h> + +#undef PROG +#define PROG ec_main + +/* -inform arg - input format - default PEM (one of DER, NET or PEM) + * -outform arg - output format - default PEM + * -in arg - input file - default stdin + * -out arg - output file - default stdout + * -des - encrypt output if PEM format with DES in cbc mode + * -text - print a text version + * -param_out - print the elliptic curve parameters + * -conv_form arg - specifies the point encoding form + * -param_enc arg - specifies the parameter encoding + */ + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) +{ +#ifndef OPENSSL_NO_ENGINE + ENGINE *e = NULL; +#endif + int ret = 1; + EC_KEY *eckey = NULL; + const EC_GROUP *group; + int i, badops = 0; + const EVP_CIPHER *enc = NULL; + BIO *in = NULL, *out = NULL; + int informat, outformat, text=0, noout=0; + int pubin = 0, pubout = 0, param_out = 0; + char *infile, *outfile, *prog, *engine; + char *passargin = NULL, *passargout = NULL; + char *passin = NULL, *passout = 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; + + 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; + + engine = NULL; + 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,"-passin") == 0) + { + if (--argc < 1) goto bad; + passargin= *(++argv); + } + else if (strcmp(*argv,"-passout") == 0) + { + if (--argc < 1) goto bad; + passargout= *(++argv); + } + else if (strcmp(*argv, "-engine") == 0) + { + if (--argc < 1) goto bad; + engine= *(++argv); + } + else if (strcmp(*argv, "-noout") == 0) + noout = 1; + else if (strcmp(*argv, "-text") == 0) + text = 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, "-param_out") == 0) + param_out = 1; + else if (strcmp(*argv, "-pubin") == 0) + pubin=1; + else if (strcmp(*argv, "-pubout") == 0) + pubout=1; + else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) + { + 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 - " + "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, " -passin arg input file pass " + "phrase source\n"); + BIO_printf(bio_err, " -out arg output file\n"); + BIO_printf(bio_err, " -passout arg output file pass " + "phrase source\n"); + BIO_printf(bio_err, " -engine e use engine e, " + "possibly a hardware device.\n"); + BIO_printf(bio_err, " -des encrypt PEM output, " + "instead of 'des' every other \n" + " cipher " + "supported by OpenSSL can be used\n"); + BIO_printf(bio_err, " -text print the key\n"); + BIO_printf(bio_err, " -noout don't print key out\n"); + BIO_printf(bio_err, " -param_out print the elliptic " + "curve parameters\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"); + goto end; + } + + ERR_load_crypto_strings(); + +#ifndef OPENSSL_NO_ENGINE + e = setup_engine(bio_err, engine, 0); +#endif + + if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) + { + BIO_printf(bio_err, "Error getting passwords\n"); + goto end; + } + + 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; + } + } + + BIO_printf(bio_err, "read EC key\n"); + if (informat == FORMAT_ASN1) + { + if (pubin) + eckey = d2i_EC_PUBKEY_bio(in, NULL); + else + eckey = d2i_ECPrivateKey_bio(in, NULL); + } + else if (informat == FORMAT_PEM) + { + if (pubin) + eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, + NULL); + else + eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, + passin); + } + else + { + BIO_printf(bio_err, "bad input format specified for key\n"); + goto end; + } + if (eckey == NULL) + { + BIO_printf(bio_err,"unable to load Key\n"); + ERR_print_errors(bio_err); + 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; + } + } + + group = EC_KEY_get0_group(eckey); + + if (new_form) + EC_KEY_set_conv_form(eckey, form); + + if (new_asn1_flag) + EC_KEY_set_asn1_flag(eckey, asn1_flag); + + if (text) + if (!EC_KEY_print(out, eckey, 0)) + { + perror(outfile); + ERR_print_errors(bio_err); + goto end; + } + + if (noout) + { + ret = 0; + goto end; + } + + BIO_printf(bio_err, "writing EC key\n"); + if (outformat == FORMAT_ASN1) + { + if (param_out) + i = i2d_ECPKParameters_bio(out, group); + else if (pubin || pubout) + i = i2d_EC_PUBKEY_bio(out, eckey); + else + i = i2d_ECPrivateKey_bio(out, eckey); + } + else if (outformat == FORMAT_PEM) + { + if (param_out) + i = PEM_write_bio_ECPKParameters(out, group); + else if (pubin || pubout) + i = PEM_write_bio_EC_PUBKEY(out, eckey); + else + i = PEM_write_bio_ECPrivateKey(out, eckey, enc, + NULL, 0, NULL, passout); + } + else + { + BIO_printf(bio_err, "bad output format specified for " + "outfile\n"); + goto end; + } + + if (!i) + { + BIO_printf(bio_err, "unable to write private key\n"); + ERR_print_errors(bio_err); + } + else + ret=0; +end: + if (in) + BIO_free(in); + if (out) + BIO_free_all(out); + if (eckey) + EC_KEY_free(eckey); + if (passin) + OPENSSL_free(passin); + if (passout) + OPENSSL_free(passout); + apps_shutdown(); + OPENSSL_EXIT(ret); +} +#endif |