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

/*
 * Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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 "progs.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	/*
6738bf14	2	* Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
4d94ae00	3	*
dffa7520	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
846e33c7 RS	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"
dab2cd68	19	# include "progs.h"
0f113f3e MC	20	# include <openssl/bio.h>
	21	# include <openssl/err.h>
	22	# include <openssl/evp.h>
	23	# include <openssl/pem.h>
4d94ae00	24
7e1b7485 RS	25	static OPT_PAIR conv_forms[] = {
	26	{"compressed", POINT_CONVERSION_COMPRESSED},
	27	{"uncompressed", POINT_CONVERSION_UNCOMPRESSED},
	28	{"hybrid", POINT_CONVERSION_HYBRID},
	29	{NULL}
	30	};
4d94ae00	31
7e1b7485 RS	32	static OPT_PAIR param_enc[] = {
	33	{"named_curve", OPENSSL_EC_NAMED_CURVE},
	34	{"explicit", 0},
	35	{NULL}
	36	};
	37
	38	typedef enum OPTION_choice {
	39	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
	40	OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
	41	OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT,
16754806	42	OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER,
7565cbc4	43	OPT_NO_PUBLIC, OPT_CHECK
7e1b7485	44	} OPTION_CHOICE;
4d94ae00	45
44c83ebd	46	const OPTIONS ec_options[] = {
7e1b7485	47	{"help", OPT_HELP, '-', "Display this summary"},
d18ba3cc DSH	48	{"in", OPT_IN, 's', "Input file"},
d18ba3cc DSH	49	{"inform", OPT_INFORM, 'f', "Input format - DER or PEM"},
7e1b7485 RS	50	{"out", OPT_OUT, '>', "Output file"},
7e1b7485 RS	51	{"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
7e1b7485 RS	52	{"noout", OPT_NOOUT, '-', "Don't print key out"},
	53	{"text", OPT_TEXT, '-', "Print the key"},
	54	{"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"},
16e1b281 F	55	{"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
16e1b281 F	56	{"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
16754806	57	{"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
7565cbc4	58	{"check", OPT_CHECK, '-', "check key consistency"},
7e1b7485 RS	59	{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
	60	{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
	61	{"param_enc", OPT_PARAM_ENC, 's',
	62	"Specifies the way the ec parameters are encoded"},
	63	{"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "},
	64	{"", OPT_CIPHER, '-', "Any supported cipher"},
9c3bcfa0 RS	65	# ifndef OPENSSL_NO_ENGINE
	66	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
	67	# endif
7e1b7485 RS	68	{NULL}
7e1b7485 RS	69	};
4d94ae00	70
7e1b7485	71	int ec_main(int argc, char **argv)
4d94ae00	72	{
7e1b7485	73	BIO in = NULL, out = NULL;
396ba1ca	74	ENGINE *e = NULL;
0f113f3e MC	75	EC_KEY *eckey = NULL;
0f113f3e MC	76	const EC_GROUP *group;
0f113f3e	77	const EVP_CIPHER *enc = NULL;
0f113f3e	78	point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
333b070e RS	79	char infile = NULL, outfile = NULL, *prog;
333b070e RS	80	char passin = NULL, passout = NULL, passinarg = NULL, passoutarg = NULL;
7e1b7485 RS	81	OPTION_CHOICE o;
	82	int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_form = 0, new_asn1_flag = 0;
	83	int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
3b061a00	84	int pubin = 0, pubout = 0, param_out = 0, i, ret = 1, private = 0;
7565cbc4	85	int no_public = 0, check = 0;
4d94ae00	86
7e1b7485 RS	87	prog = opt_init(argc, argv, ec_options);
	88	while ((o = opt_next()) != OPT_EOF) {
	89	switch (o) {
	90	case OPT_EOF:
	91	case OPT_ERR:
	92	opthelp:
	93	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	94	goto end;
	95	case OPT_HELP:
	96	opt_help(ec_options);
	97	ret = 0;
	98	goto end;
	99	case OPT_INFORM:
d18ba3cc	100	if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
7e1b7485 RS	101	goto opthelp;
	102	break;
	103	case OPT_IN:
	104	infile = opt_arg();
	105	break;
	106	case OPT_OUTFORM:
	107	if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
	108	goto opthelp;
	109	break;
	110	case OPT_OUT:
	111	outfile = opt_arg();
	112	break;
	113	case OPT_NOOUT:
0f113f3e	114	noout = 1;
7e1b7485 RS	115	break;
7e1b7485 RS	116	case OPT_TEXT:
0f113f3e	117	text = 1;
7e1b7485 RS	118	break;
7e1b7485 RS	119	case OPT_PARAM_OUT:
0f113f3e	120	param_out = 1;
7e1b7485 RS	121	break;
7e1b7485 RS	122	case OPT_PUBIN:
0f113f3e	123	pubin = 1;
7e1b7485 RS	124	break;
7e1b7485 RS	125	case OPT_PUBOUT:
0f113f3e	126	pubout = 1;
7e1b7485 RS	127	break;
	128	case OPT_PASSIN:
	129	passinarg = opt_arg();
	130	break;
	131	case OPT_PASSOUT:
	132	passoutarg = opt_arg();
	133	break;
	134	case OPT_ENGINE:
d18ba3cc	135	e = setup_engine(opt_arg(), 0);
7e1b7485 RS	136	break;
	137	case OPT_CIPHER:
	138	if (!opt_cipher(opt_unknown(), &enc))
	139	goto opthelp;
cc630cdb	140	break;
7e1b7485 RS	141	case OPT_CONV_FORM:
	142	if (!opt_pair(opt_arg(), conv_forms, &i))
	143	goto opthelp;
	144	new_form = 1;
	145	form = i;
	146	break;
	147	case OPT_PARAM_ENC:
	148	if (!opt_pair(opt_arg(), param_enc, &i))
	149	goto opthelp;
	150	new_asn1_flag = 1;
	151	asn1_flag = i;
0f113f3e	152	break;
16754806 DSH	153	case OPT_NO_PUBLIC:
	154	no_public = 1;
	155	break;
7565cbc4 DSH	156	case OPT_CHECK:
	157	check = 1;
	158	break;
0f113f3e	159	}
0f113f3e	160	}
7e1b7485	161	argc = opt_num_rest();
03358517 KR	162	if (argc != 0)
	163	goto opthelp;
	164
3b061a00	165	private = param_out \|\| pubin \|\| pubout ? 0 : 1;
7eff6aa0	166	if (text && !pubin)
3b061a00	167	private = 1;
4d94ae00	168
7e1b7485	169	if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
0f113f3e MC	170	BIO_printf(bio_err, "Error getting passwords\n");
	171	goto end;
	172	}
4d94ae00	173
d18ba3cc DSH	174	if (informat != FORMAT_ENGINE) {
	175	in = bio_open_default(infile, 'r', informat);
	176	if (in == NULL)
	177	goto end;
	178	}
4d94ae00	179
0f113f3e MC	180	BIO_printf(bio_err, "read EC key\n");
	181	if (informat == FORMAT_ASN1) {
	182	if (pubin)
	183	eckey = d2i_EC_PUBKEY_bio(in, NULL);
	184	else
	185	eckey = d2i_ECPrivateKey_bio(in, NULL);
d18ba3cc DSH	186	} else if (informat == FORMAT_ENGINE) {
	187	EVP_PKEY *pkey;
	188	if (pubin)
28b86f31	189	pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
d18ba3cc DSH	190	else
	191	pkey = load_key(infile, informat, 1, passin, e, "Private Key");
	192	if (pkey != NULL) {
	193	eckey = EVP_PKEY_get1_EC_KEY(pkey);
	194	EVP_PKEY_free(pkey);
	195	}
7e1b7485	196	} else {
0f113f3e MC	197	if (pubin)
	198	eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL);
	199	else
	200	eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin);
0f113f3e MC	201	}
	202	if (eckey == NULL) {
	203	BIO_printf(bio_err, "unable to load Key\n");
	204	ERR_print_errors(bio_err);
	205	goto end;
	206	}
4d94ae00	207
bdd58d98	208	out = bio_open_owner(outfile, outformat, private);
7e1b7485 RS	209	if (out == NULL)
7e1b7485 RS	210	goto end;
4d94ae00	211
0f113f3e	212	group = EC_KEY_get0_group(eckey);
9dd84053	213
0f113f3e MC	214	if (new_form)
0f113f3e MC	215	EC_KEY_set_conv_form(eckey, form);
4d94ae00	216
0f113f3e MC	217	if (new_asn1_flag)
0f113f3e MC	218	EC_KEY_set_asn1_flag(eckey, asn1_flag);
eefa6e4e	219
16754806 DSH	220	if (no_public)
	221	EC_KEY_set_enc_flags(eckey, EC_PKEY_NO_PUBKEY);
	222
3b061a00	223	if (text) {
7eff6aa0	224	assert(pubin \|\| private);
0f113f3e MC	225	if (!EC_KEY_print(out, eckey, 0)) {
	226	perror(outfile);
	227	ERR_print_errors(bio_err);
	228	goto end;
	229	}
3b061a00	230	}
4d94ae00	231
7565cbc4 DSH	232	if (check) {
	233	if (EC_KEY_check_key(eckey) == 1) {
	234	BIO_printf(bio_err, "EC Key valid.\n");
	235	} else {
	236	BIO_printf(bio_err, "EC Key Invalid!\n");
	237	ERR_print_errors(bio_err);
	238	}
	239	}
	240
0f113f3e MC	241	if (noout) {
	242	ret = 0;
	243	goto end;
	244	}
eefa6e4e	245
0f113f3e MC	246	BIO_printf(bio_err, "writing EC key\n");
0f113f3e MC	247	if (outformat == FORMAT_ASN1) {
2234212c	248	if (param_out) {
0f113f3e	249	i = i2d_ECPKParameters_bio(out, group);
2234212c	250	} else if (pubin \|\| pubout) {
0f113f3e	251	i = i2d_EC_PUBKEY_bio(out, eckey);
2234212c	252	} else {
3b061a00	253	assert(private);
0f113f3e	254	i = i2d_ECPrivateKey_bio(out, eckey);
3b061a00	255	}
7e1b7485	256	} else {
2234212c	257	if (param_out) {
0f113f3e	258	i = PEM_write_bio_ECPKParameters(out, group);
2234212c	259	} else if (pubin \|\| pubout) {
0f113f3e	260	i = PEM_write_bio_EC_PUBKEY(out, eckey);
2234212c	261	} else {
3b061a00	262	assert(private);
0f113f3e MC	263	i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
0f113f3e MC	264	NULL, 0, NULL, passout);
3b061a00	265	}
0f113f3e	266	}
eefa6e4e	267
0f113f3e MC	268	if (!i) {
	269	BIO_printf(bio_err, "unable to write private key\n");
	270	ERR_print_errors(bio_err);
2234212c	271	} else {
0f113f3e	272	ret = 0;
2234212c	273	}
0f113f3e	274	end:
ca3a82c3 RS	275	BIO_free(in);
ca3a82c3 RS	276	BIO_free_all(out);
8fdc3734	277	EC_KEY_free(eckey);
dd1abd44	278	release_engine(e);
b548a1f1 RS	279	OPENSSL_free(passin);
b548a1f1 RS	280	OPENSSL_free(passout);
26a7d938	281	return ret;
4d94ae00 BM	282	}
4d94ae00 BM	283	#endif