-/* apps/ec.c */
/*
* Written by Nils Larsch for the OpenSSL project.
*/
*/
#include <openssl/opensslconf.h>
-#ifndef OPENSSL_NO_EC
+#ifdef OPENSSL_NO_EC
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
# include <stdio.h>
# include <stdlib.h>
# include <string.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
- */
+static OPT_PAIR param_enc[] = {
+ {"named_curve", OPENSSL_EC_NAMED_CURVE},
+ {"explicit", 0},
+ {NULL}
+};
+
+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,
+ OPT_NO_PUBLIC, OPT_CHECK
+} OPTION_CHOICE;
-int MAIN(int, char **);
+OPTIONS ec_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, 's', "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"},
+ {"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, '-', "Expect a public key in input file"},
+ {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
+ {"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
+ {"check", OPT_CHECK, '-', "check key consistency"},
+ {"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"},
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+# endif
+ {NULL}
+};
-int MAIN(int argc, char **argv)
+int ec_main(int argc, char **argv)
{
- int ret = 1;
+ BIO *in = NULL, *out = NULL;
+ ENGINE *e;
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();
+ 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, private = 0;
+ int no_public = 0, check = 0;
- 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)
+ 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_ANY, &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;
- else if (strcmp(*argv, "-text") == 0)
+ break;
+ case OPT_TEXT:
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)
+ break;
+ case OPT_PARAM_OUT:
param_out = 1;
- else if (strcmp(*argv, "-pubin") == 0)
+ break;
+ case OPT_PUBIN:
pubin = 1;
- else if (strcmp(*argv, "-pubout") == 0)
+ break;
+ case OPT_PUBOUT:
pubout = 1;
- else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) {
- BIO_printf(bio_err, "unknown option %s\n", *argv);
- badops = 1;
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = 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;
+ case OPT_NO_PUBLIC:
+ no_public = 1;
+ break;
+ case OPT_CHECK:
+ check = 1;
break;
}
- argc--;
- argv++;
}
+ argc = opt_num_rest();
+ if (argc != 0)
+ goto opthelp;
- 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;
- }
+ private = param_out || pubin || pubout ? 0 : 1;
+ if (text && !pubin)
+ private = 1;
- ERR_load_crypto_strings();
-
-# ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-# endif
-
- if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
+ if (!app_passwd(passinarg, passoutarg, &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);
+ if (informat != FORMAT_ENGINE) {
+ in = bio_open_default(infile, 'r', informat);
+ if (in == NULL)
goto end;
- }
}
BIO_printf(bio_err, "read EC key\n");
eckey = d2i_EC_PUBKEY_bio(in, NULL);
else
eckey = d2i_ECPrivateKey_bio(in, NULL);
- } else if (informat == FORMAT_PEM) {
+ } else if (informat == FORMAT_ENGINE) {
+ EVP_PKEY *pkey;
+ if (pubin)
+ pkey = load_pubkey(infile, informat , 1, passin, e, "Public Key");
+ else
+ pkey = load_key(infile, informat, 1, passin, e, "Private Key");
+ if (pkey != NULL) {
+ eckey = EVP_PKEY_get1_EC_KEY(pkey);
+ EVP_PKEY_free(pkey);
+ }
+ } else {
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");
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;
- }
- }
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ goto end;
group = EC_KEY_get0_group(eckey);
if (new_asn1_flag)
EC_KEY_set_asn1_flag(eckey, asn1_flag);
- if (text)
+ if (no_public)
+ EC_KEY_set_enc_flags(eckey, EC_PKEY_NO_PUBKEY);
+
+ if (text) {
+ assert(pubin || private);
if (!EC_KEY_print(out, eckey, 0)) {
perror(outfile);
ERR_print_errors(bio_err);
goto end;
}
+ }
+
+ if (check) {
+ if (EC_KEY_check_key(eckey) == 1) {
+ BIO_printf(bio_err, "EC Key valid.\n");
+ } else {
+ BIO_printf(bio_err, "EC Key Invalid!\n");
+ ERR_print_errors(bio_err);
+ }
+ }
if (noout) {
ret = 0;
i = i2d_ECPKParameters_bio(out, group);
else if (pubin || pubout)
i = i2d_EC_PUBKEY_bio(out, eckey);
- else
+ else {
+ assert(private);
i = i2d_ECPrivateKey_bio(out, eckey);
- } else if (outformat == FORMAT_PEM) {
+ }
+ } else {
if (param_out)
i = PEM_write_bio_ECPKParameters(out, group);
else if (pubin || pubout)
i = PEM_write_bio_EC_PUBKEY(out, eckey);
- else
+ else {
+ assert(private);
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) {
} 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);
+ BIO_free(in);
+ BIO_free_all(out);
+ EC_KEY_free(eckey);
+ OPENSSL_free(passin);
+ OPENSSL_free(passout);
+ return (ret);
}
-#else /* !OPENSSL_NO_EC */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-
#endif
projects / openssl.git / blobdiff