-/* apps/ec.c */
/*
* Written by Nils Larsch for the OpenSSL project.
*/
* 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
*
*/
+#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>
+# 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
+static OPT_PAIR conv_forms[] = {
+ {"compressed", POINT_CONVERSION_COMPRESSED},
+ {"uncompressed", POINT_CONVERSION_UNCOMPRESSED},
+ {"hybrid", POINT_CONVERSION_HYBRID},
+ {NULL}
+};
-/* -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);
+static OPT_PAIR param_enc[] = {
+ {"named_curve", OPENSSL_EC_NAMED_CURVE},
+ {"explicit", 0},
+ {NULL}
+};
- if (!load_config(bio_err, NULL))
- goto end;
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
+ OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT,
+ OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER
+} OPTION_CHOICE;
- engine = NULL;
- infile = NULL;
- outfile = NULL;
- informat = FORMAT_PEM;
- outformat = FORMAT_PEM;
+OPTIONS ec_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+# endif
+ {"noout", OPT_NOOUT, '-', "Don't print key out"},
+ {"text", OPT_TEXT, '-', "Print the key"},
+ {"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"},
+ {"pubin", OPT_PUBIN, '-'},
+ {"pubout", OPT_PUBOUT, '-'},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ {"param_enc", OPT_PARAM_ENC, 's',
+ "Specifies the way the ec parameters are encoded"},
+ {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "},
+ {"", OPT_CIPHER, '-', "Any supported cipher"},
+ {NULL}
+};
- 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, " possilbe values:"
- " named_curve (default)\n");
- BIO_printf(bio_err," "
- "explicit\n");
- goto end;
- }
+int ec_main(int argc, char **argv)
+{
+ BIO *in = NULL, *out = NULL;
+ EC_KEY *eckey = NULL;
+ const EC_GROUP *group;
+ const EVP_CIPHER *enc = NULL;
+ point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
+ char *infile = NULL, *outfile = NULL, *prog;
+ char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
+ OPTION_CHOICE o;
+ int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_form = 0, new_asn1_flag = 0;
+ int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
+ int pubin = 0, pubout = 0, param_out = 0, i, ret = 1;
- ERR_load_crypto_strings();
+ prog = opt_init(argc, argv, ec_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(ec_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_NOOUT:
+ noout = 1;
+ break;
+ case OPT_TEXT:
+ text = 1;
+ break;
+ case OPT_PARAM_OUT:
+ param_out = 1;
+ break;
+ case OPT_PUBIN:
+ pubin = 1;
+ break;
+ case OPT_PUBOUT:
+ pubout = 1;
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ (void)setup_engine(opt_arg(), 0);
+ break;
+ case OPT_CIPHER:
+ if (!opt_cipher(opt_unknown(), &enc))
+ goto opthelp;
+ break;
+ case OPT_CONV_FORM:
+ if (!opt_pair(opt_arg(), conv_forms, &i))
+ goto opthelp;
+ new_form = 1;
+ form = i;
+ break;
+ case OPT_PARAM_ENC:
+ if (!opt_pair(opt_arg(), param_enc, &i))
+ goto opthelp;
+ new_asn1_flag = 1;
+ asn1_flag = i;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
-#ifndef OPENSSL_NO_ENGINE
- e = setup_engine(bio_err, engine, 0);
-#endif
+ if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
+ BIO_printf(bio_err, "Error getting passwords\n");
+ goto end;
+ }
- if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
- {
- BIO_printf(bio_err, "Error getting passwords\n");
- goto end;
- }
+ in = bio_open_default(infile, RB(informat));
+ if (in == NULL)
+ 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;
- }
+ 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 (pubin)
+ eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL);
+ else
+ eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin);
+ }
+ if (eckey == NULL) {
+ BIO_printf(bio_err, "unable to load Key\n");
+ 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;
- }
- }
+ out = bio_open_default(outfile, WB(outformat));
+ if (out == NULL)
+ 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;
- }
+ group = EC_KEY_get0_group(eckey);
- 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;
- }
- }
+ if (new_form)
+ EC_KEY_set_conv_form(eckey, form);
- group = EC_KEY_get0_group(eckey);
+ if (new_asn1_flag)
+ EC_KEY_set_asn1_flag(eckey, asn1_flag);
- if (new_form)
- EC_KEY_set_conv_form(eckey, form);
+ if (text)
+ if (!EC_KEY_print(out, eckey, 0)) {
+ perror(outfile);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
- if (new_asn1_flag)
- EC_KEY_set_asn1_flag(eckey, asn1_flag);
+ if (noout) {
+ ret = 0;
+ goto end;
+ }
- if (text)
- if (!EC_KEY_print(out, eckey, 0))
- {
- perror(outfile);
- ERR_print_errors(bio_err);
- 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 (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);
+ }
- if (noout)
- goto end;
+ if (!i) {
+ BIO_printf(bio_err, "unable to write private key\n");
+ ERR_print_errors(bio_err);
+ } else
+ ret = 0;
+ end:
+ BIO_free(in);
+ BIO_free_all(out);
+ EC_KEY_free(eckey);
+ OPENSSL_free(passin);
+ OPENSSL_free(passout);
+ return (ret);
+}
+#else /* !OPENSSL_NO_EC */
- 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 PEDANTIC
+static void *dummy = &dummy;
+# endif
- 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
projects / openssl.git / blobdiff