[thirdparty/openssl.git] / apps / ec.c

/*
 * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <openssl/opensslconf.h>
#ifdef OPENSSL_NO_EC
NON_EMPTY_TRANSLATION_UNIT
#else

# 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>

static OPT_PAIR conv_forms[] = {
    {"compressed", POINT_CONVERSION_COMPRESSED},
    {"uncompressed", POINT_CONVERSION_UNCOMPRESSED},
    {"hybrid", POINT_CONVERSION_HYBRID},
    {NULL}
};

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;

const 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 ec_main(int argc, char **argv)
{
    BIO *in = NULL, *out = NULL;
    ENGINE *e = 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, private = 0;
    int no_public = 0, check = 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;
            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:
            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 = opt_num_rest();
    if (argc != 0)
        goto opthelp;

    private = param_out || pubin || pubout ? 0 : 1;
    if (text && !pubin)
        private = 1;

    if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
        BIO_printf(bio_err, "Error getting passwords\n");
        goto end;
    }

    if (informat != FORMAT_ENGINE) {
        in = bio_open_default(infile, 'r', informat);
        if (in == 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_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);
    }
    if (eckey == NULL) {
        BIO_printf(bio_err, "unable to load Key\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    out = bio_open_owner(outfile, outformat, private);
    if (out == NULL)
        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 (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;
        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 {
            assert(private);
            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 {
            assert(private);
            i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
                                           NULL, 0, NULL, passout);
        }
    }

    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);
    release_engine(e);
    OPENSSL_free(passin);
    OPENSSL_free(passout);
    return (ret);
}
#endif
Commit	Line	Data
d4a8f90c	1	/*
846e33c7	2	* Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
4d94ae00	3	*
846e33c7 RS	4	* Licensed under the OpenSSL license (the "License"). You may not use
	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
4d94ae00	8	*/
4d94ae00	9
6e04afb8	10	#include <openssl/opensslconf.h>
effaf4de RS	11	#ifdef OPENSSL_NO_EC
	12	NON_EMPTY_TRANSLATION_UNIT
	13	#else
	14
0f113f3e MC	15	# include <stdio.h>
	16	# include <stdlib.h>
	17	# include <string.h>
	18	# include "apps.h"
	19	# include <openssl/bio.h>
	20	# include <openssl/err.h>
	21	# include <openssl/evp.h>
	22	# include <openssl/pem.h>
4d94ae00	23
7e1b7485 RS	24	static OPT_PAIR conv_forms[] = {
	25	{"compressed", POINT_CONVERSION_COMPRESSED},
	26	{"uncompressed", POINT_CONVERSION_UNCOMPRESSED},
	27	{"hybrid", POINT_CONVERSION_HYBRID},
	28	{NULL}
	29	};
4d94ae00	30
7e1b7485 RS	31	static OPT_PAIR param_enc[] = {
	32	{"named_curve", OPENSSL_EC_NAMED_CURVE},
	33	{"explicit", 0},
	34	{NULL}
	35	};
	36
	37	typedef enum OPTION_choice {
	38	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
	39	OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
	40	OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT,
16754806	41	OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER,
7565cbc4	42	OPT_NO_PUBLIC, OPT_CHECK
7e1b7485	43	} OPTION_CHOICE;
4d94ae00	44
44c83ebd	45	const OPTIONS ec_options[] = {
7e1b7485	46	{"help", OPT_HELP, '-', "Display this summary"},
d18ba3cc DSH	47	{"in", OPT_IN, 's', "Input file"},
d18ba3cc DSH	48	{"inform", OPT_INFORM, 'f', "Input format - DER or PEM"},
7e1b7485 RS	49	{"out", OPT_OUT, '>', "Output file"},
7e1b7485 RS	50	{"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
7e1b7485 RS	51	{"noout", OPT_NOOUT, '-', "Don't print key out"},
	52	{"text", OPT_TEXT, '-', "Print the key"},
	53	{"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"},
16e1b281 F	54	{"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
16e1b281 F	55	{"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
16754806	56	{"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
7565cbc4	57	{"check", OPT_CHECK, '-', "check key consistency"},
7e1b7485 RS	58	{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
	59	{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
	60	{"param_enc", OPT_PARAM_ENC, 's',
	61	"Specifies the way the ec parameters are encoded"},
	62	{"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "},
	63	{"", OPT_CIPHER, '-', "Any supported cipher"},
9c3bcfa0 RS	64	# ifndef OPENSSL_NO_ENGINE
	65	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
	66	# endif
7e1b7485 RS	67	{NULL}
7e1b7485 RS	68	};
4d94ae00	69
7e1b7485	70	int ec_main(int argc, char **argv)
4d94ae00	71	{
7e1b7485	72	BIO in = NULL, out = NULL;
396ba1ca	73	ENGINE *e = NULL;
0f113f3e MC	74	EC_KEY *eckey = NULL;
0f113f3e MC	75	const EC_GROUP *group;
0f113f3e	76	const EVP_CIPHER *enc = NULL;
0f113f3e	77	point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
333b070e RS	78	char infile = NULL, outfile = NULL, *prog;
333b070e RS	79	char passin = NULL, passout = NULL, passinarg = NULL, passoutarg = NULL;
7e1b7485 RS	80	OPTION_CHOICE o;
	81	int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_form = 0, new_asn1_flag = 0;
	82	int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
3b061a00	83	int pubin = 0, pubout = 0, param_out = 0, i, ret = 1, private = 0;
7565cbc4	84	int no_public = 0, check = 0;
4d94ae00	85
7e1b7485 RS	86	prog = opt_init(argc, argv, ec_options);
	87	while ((o = opt_next()) != OPT_EOF) {
	88	switch (o) {
	89	case OPT_EOF:
	90	case OPT_ERR:
	91	opthelp:
	92	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	93	goto end;
	94	case OPT_HELP:
	95	opt_help(ec_options);
	96	ret = 0;
	97	goto end;
	98	case OPT_INFORM:
d18ba3cc	99	if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
7e1b7485 RS	100	goto opthelp;
	101	break;
	102	case OPT_IN:
	103	infile = opt_arg();
	104	break;
	105	case OPT_OUTFORM:
	106	if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
	107	goto opthelp;
	108	break;
	109	case OPT_OUT:
	110	outfile = opt_arg();
	111	break;
	112	case OPT_NOOUT:
0f113f3e	113	noout = 1;
7e1b7485 RS	114	break;
7e1b7485 RS	115	case OPT_TEXT:
0f113f3e	116	text = 1;
7e1b7485 RS	117	break;
7e1b7485 RS	118	case OPT_PARAM_OUT:
0f113f3e	119	param_out = 1;
7e1b7485 RS	120	break;
7e1b7485 RS	121	case OPT_PUBIN:
0f113f3e	122	pubin = 1;
7e1b7485 RS	123	break;
7e1b7485 RS	124	case OPT_PUBOUT:
0f113f3e	125	pubout = 1;
7e1b7485 RS	126	break;
	127	case OPT_PASSIN:
	128	passinarg = opt_arg();
	129	break;
	130	case OPT_PASSOUT:
	131	passoutarg = opt_arg();
	132	break;
	133	case OPT_ENGINE:
d18ba3cc	134	e = setup_engine(opt_arg(), 0);
7e1b7485 RS	135	break;
	136	case OPT_CIPHER:
	137	if (!opt_cipher(opt_unknown(), &enc))
	138	goto opthelp;
cc630cdb	139	break;
7e1b7485 RS	140	case OPT_CONV_FORM:
	141	if (!opt_pair(opt_arg(), conv_forms, &i))
	142	goto opthelp;
	143	new_form = 1;
	144	form = i;
	145	break;
	146	case OPT_PARAM_ENC:
	147	if (!opt_pair(opt_arg(), param_enc, &i))
	148	goto opthelp;
	149	new_asn1_flag = 1;
	150	asn1_flag = i;
0f113f3e	151	break;
16754806 DSH	152	case OPT_NO_PUBLIC:
	153	no_public = 1;
	154	break;
7565cbc4 DSH	155	case OPT_CHECK:
	156	check = 1;
	157	break;
0f113f3e	158	}
0f113f3e	159	}
7e1b7485	160	argc = opt_num_rest();
03358517 KR	161	if (argc != 0)
	162	goto opthelp;
	163
3b061a00	164	private = param_out \|\| pubin \|\| pubout ? 0 : 1;
7eff6aa0	165	if (text && !pubin)
3b061a00	166	private = 1;
4d94ae00	167
7e1b7485	168	if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
0f113f3e MC	169	BIO_printf(bio_err, "Error getting passwords\n");
	170	goto end;
	171	}
4d94ae00	172
d18ba3cc DSH	173	if (informat != FORMAT_ENGINE) {
	174	in = bio_open_default(infile, 'r', informat);
	175	if (in == NULL)
	176	goto end;
	177	}
4d94ae00	178
0f113f3e MC	179	BIO_printf(bio_err, "read EC key\n");
	180	if (informat == FORMAT_ASN1) {
	181	if (pubin)
	182	eckey = d2i_EC_PUBKEY_bio(in, NULL);
	183	else
	184	eckey = d2i_ECPrivateKey_bio(in, NULL);
d18ba3cc DSH	185	} else if (informat == FORMAT_ENGINE) {
	186	EVP_PKEY *pkey;
	187	if (pubin)
28b86f31	188	pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
d18ba3cc DSH	189	else
	190	pkey = load_key(infile, informat, 1, passin, e, "Private Key");
	191	if (pkey != NULL) {
	192	eckey = EVP_PKEY_get1_EC_KEY(pkey);
	193	EVP_PKEY_free(pkey);
	194	}
7e1b7485	195	} else {
0f113f3e MC	196	if (pubin)
	197	eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL);
	198	else
	199	eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin);
0f113f3e MC	200	}
	201	if (eckey == NULL) {
	202	BIO_printf(bio_err, "unable to load Key\n");
	203	ERR_print_errors(bio_err);
	204	goto end;
	205	}
4d94ae00	206
bdd58d98	207	out = bio_open_owner(outfile, outformat, private);
7e1b7485 RS	208	if (out == NULL)
7e1b7485 RS	209	goto end;
4d94ae00	210
0f113f3e	211	group = EC_KEY_get0_group(eckey);
9dd84053	212
0f113f3e MC	213	if (new_form)
0f113f3e MC	214	EC_KEY_set_conv_form(eckey, form);
4d94ae00	215
0f113f3e MC	216	if (new_asn1_flag)
0f113f3e MC	217	EC_KEY_set_asn1_flag(eckey, asn1_flag);
eefa6e4e	218
16754806 DSH	219	if (no_public)
	220	EC_KEY_set_enc_flags(eckey, EC_PKEY_NO_PUBKEY);
	221
3b061a00	222	if (text) {
7eff6aa0	223	assert(pubin \|\| private);
0f113f3e MC	224	if (!EC_KEY_print(out, eckey, 0)) {
	225	perror(outfile);
	226	ERR_print_errors(bio_err);
	227	goto end;
	228	}
3b061a00	229	}
4d94ae00	230
7565cbc4 DSH	231	if (check) {
	232	if (EC_KEY_check_key(eckey) == 1) {
	233	BIO_printf(bio_err, "EC Key valid.\n");
	234	} else {
	235	BIO_printf(bio_err, "EC Key Invalid!\n");
	236	ERR_print_errors(bio_err);
	237	}
	238	}
	239
0f113f3e MC	240	if (noout) {
	241	ret = 0;
	242	goto end;
	243	}
eefa6e4e	244
0f113f3e MC	245	BIO_printf(bio_err, "writing EC key\n");
0f113f3e MC	246	if (outformat == FORMAT_ASN1) {
2234212c	247	if (param_out) {
0f113f3e	248	i = i2d_ECPKParameters_bio(out, group);
2234212c	249	} else if (pubin \|\| pubout) {
0f113f3e	250	i = i2d_EC_PUBKEY_bio(out, eckey);
2234212c	251	} else {
3b061a00	252	assert(private);
0f113f3e	253	i = i2d_ECPrivateKey_bio(out, eckey);
3b061a00	254	}
7e1b7485	255	} else {
2234212c	256	if (param_out) {
0f113f3e	257	i = PEM_write_bio_ECPKParameters(out, group);
2234212c	258	} else if (pubin \|\| pubout) {
0f113f3e	259	i = PEM_write_bio_EC_PUBKEY(out, eckey);
2234212c	260	} else {
3b061a00	261	assert(private);
0f113f3e MC	262	i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
0f113f3e MC	263	NULL, 0, NULL, passout);
3b061a00	264	}
0f113f3e	265	}
eefa6e4e	266
0f113f3e MC	267	if (!i) {
	268	BIO_printf(bio_err, "unable to write private key\n");
	269	ERR_print_errors(bio_err);
2234212c	270	} else {
0f113f3e	271	ret = 0;
2234212c	272	}
0f113f3e	273	end:
ca3a82c3 RS	274	BIO_free(in);
ca3a82c3 RS	275	BIO_free_all(out);
8fdc3734	276	EC_KEY_free(eckey);
dd1abd44	277	release_engine(e);
b548a1f1 RS	278	OPENSSL_free(passin);
b548a1f1 RS	279	OPENSSL_free(passout);
7e1b7485	280	return (ret);
4d94ae00 BM	281	}
4d94ae00 BM	282	#endif