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

/*
 * Copyright 2002-2022 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 <string.h>
#include <openssl/opensslconf.h>
#include <openssl/evp.h>
#include <openssl/encoder.h>
#include <openssl/decoder.h>
#include <openssl/core_names.h>
#include <openssl/core_dispatch.h>
#include <openssl/params.h>
#include <openssl/err.h>

#include "apps.h"
#include "progs.h"
#include "ec_common.h"

typedef enum OPTION_choice {
    OPT_COMMON,
    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, OPT_PROV_ENUM
} OPTION_CHOICE;

const OPTIONS ec_options[] = {
    OPT_SECTION("General"),
    {"help", OPT_HELP, '-', "Display this summary"},
#ifndef OPENSSL_NO_ENGINE
    {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif

    OPT_SECTION("Input"),
    {"in", OPT_IN, 's', "Input file"},
    {"inform", OPT_INFORM, 'f', "Input format (DER/PEM/P12/ENGINE)"},
    {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
    {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
    {"check", OPT_CHECK, '-', "check key consistency"},
    {"", OPT_CIPHER, '-', "Any supported cipher"},
    {"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_SECTION("Output"),
    {"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"},
    {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
    {"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
    {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},

    OPT_PROV_OPTIONS,
    {NULL}
};

int ec_main(int argc, char **argv)
{
    OSSL_ENCODER_CTX *ectx = NULL;
    OSSL_DECODER_CTX *dctx = NULL;
    EVP_PKEY_CTX *pctx = NULL;
    EVP_PKEY *eckey = NULL;
    BIO *out = NULL;
    ENGINE *e = NULL;
    EVP_CIPHER *enc = NULL;
    char *infile = NULL, *outfile = NULL, *ciphername = NULL, *prog;
    char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
    OPTION_CHOICE o;
    int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, text = 0, noout = 0;
    int pubin = 0, pubout = 0, param_out = 0, ret = 1, private = 0;
    int check = 0;
    char *asn1_encoding = NULL;
    char *point_format = NULL;
    int no_public = 0;

    opt_set_unknown_name("cipher");
    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:
            ciphername = opt_unknown();
            break;
        case OPT_CONV_FORM:
            point_format = opt_arg();
            if (!opt_string(point_format, point_format_options))
                goto opthelp;
            break;
        case OPT_PARAM_ENC:
            asn1_encoding = opt_arg();
            if (!opt_string(asn1_encoding, asn1_encoding_options))
                goto opthelp;
            break;
        case OPT_NO_PUBLIC:
            no_public = 1;
            break;
        case OPT_CHECK:
            check = 1;
            break;
        case OPT_PROV_CASES:
            if (!opt_provider(o))
                goto end;
            break;
        }
    }

    /* No extra arguments. */
    if (!opt_check_rest_arg(NULL))
        goto opthelp;

    if (!opt_cipher(ciphername, &enc))
        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;
    }

    BIO_printf(bio_err, "read EC key\n");

    if (pubin)
        eckey = load_pubkey(infile, informat, 1, passin, e, "public key");
    else
        eckey = load_key(infile, informat, 1, passin, e, "private key");

    if (eckey == NULL) {
        BIO_printf(bio_err, "unable to load Key\n");
        goto end;
    }

    out = bio_open_owner(outfile, outformat, private);
    if (out == NULL)
        goto end;

    if (point_format
        && !EVP_PKEY_set_utf8_string_param(
                eckey, OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
                point_format)) {
        BIO_printf(bio_err, "unable to set point conversion format\n");
        goto end;
    }

    if (asn1_encoding != NULL
        && !EVP_PKEY_set_utf8_string_param(
                eckey, OSSL_PKEY_PARAM_EC_ENCODING, asn1_encoding)) {
        BIO_printf(bio_err, "unable to set asn1 encoding format\n");
        goto end;
    }

    if (no_public) {
        if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0)) {
            BIO_printf(bio_err, "unable to disable public key encoding\n");
            goto end;
        }
    } else {
        if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 1)) {
            BIO_printf(bio_err, "unable to enable public key encoding\n");
            goto end;
        }
    }

    if (text) {
        assert(pubin || private);
        if ((pubin && EVP_PKEY_print_public(out, eckey, 0, NULL) <= 0)
            || (!pubin && EVP_PKEY_print_private(out, eckey, 0, NULL) <= 0)) {
            BIO_printf(bio_err, "unable to print EC key\n");
            goto end;
        }
    }

    if (check) {
        pctx = EVP_PKEY_CTX_new_from_pkey(NULL, eckey, NULL);
        if (pctx == NULL) {
            BIO_printf(bio_err, "unable to check EC key\n");
            goto end;
        }
        if (EVP_PKEY_check(pctx) <= 0)
            BIO_printf(bio_err, "EC Key Invalid!\n");
        else
            BIO_printf(bio_err, "EC Key valid.\n");
        ERR_print_errors(bio_err);
    }

    if (!noout) {
        int selection;
        const char *output_type = outformat == FORMAT_ASN1 ? "DER" : "PEM";
        const char *output_structure = "type-specific";

        BIO_printf(bio_err, "writing EC key\n");
        if (param_out) {
            selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS;
        } else if (pubin || pubout) {
            selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS
                | OSSL_KEYMGMT_SELECT_PUBLIC_KEY;
            output_structure = "SubjectPublicKeyInfo";
        } else {
            selection = OSSL_KEYMGMT_SELECT_ALL;
            assert(private);
        }

        ectx = OSSL_ENCODER_CTX_new_for_pkey(eckey, selection,
                                             output_type, output_structure,
                                             NULL);
        if (enc != NULL) {
            OSSL_ENCODER_CTX_set_cipher(ectx, EVP_CIPHER_get0_name(enc), NULL);
            /* Default passphrase prompter */
            OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL);
            if (passout != NULL)
                /* When passout given, override the passphrase prompter */
                OSSL_ENCODER_CTX_set_passphrase(ectx,
                                                (const unsigned char *)passout,
                                                strlen(passout));
        }
        if (!OSSL_ENCODER_to_bio(ectx, out)) {
            BIO_printf(bio_err, "unable to write EC key\n");
            goto end;
        }
    }

    ret = 0;
end:
    if (ret != 0)
        ERR_print_errors(bio_err);
    BIO_free_all(out);
    EVP_PKEY_free(eckey);
    EVP_CIPHER_free(enc);
    OSSL_ENCODER_CTX_free(ectx);
    OSSL_DECODER_CTX_free(dctx);
    EVP_PKEY_CTX_free(pctx);
    release_engine(e);
    if (passin != NULL)
        OPENSSL_clear_free(passin, strlen(passin));
    if (passout != NULL)
        OPENSSL_clear_free(passout, strlen(passout));
    return ret;
}
Commit	Line	Data
d4a8f90c	1	/*
fecb3aae	2	* Copyright 2002-2022 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
5ac632ee	10	#include <string.h>
6e04afb8	11	#include <openssl/opensslconf.h>
5b5eea4b SL	12	#include <openssl/evp.h>
	13	#include <openssl/encoder.h>
	14	#include <openssl/decoder.h>
	15	#include <openssl/core_names.h>
	16	#include <openssl/core_dispatch.h>
	17	#include <openssl/params.h>
	18	#include <openssl/err.h>
effaf4de	19
1ae56f2f RS	20	#include "apps.h"
1ae56f2f RS	21	#include "progs.h"
5b5eea4b	22	#include "ec_common.h"
7e1b7485 RS	23
7e1b7485 RS	24	typedef enum OPTION_choice {
b0f96018	25	OPT_COMMON,
7e1b7485 RS	26	OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
7e1b7485 RS	27	OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT,
16754806	28	OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER,
6bd4e3f2	29	OPT_NO_PUBLIC, OPT_CHECK, OPT_PROV_ENUM
7e1b7485	30	} OPTION_CHOICE;
4d94ae00	31
44c83ebd	32	const OPTIONS ec_options[] = {
5388f986	33	OPT_SECTION("General"),
7e1b7485	34	{"help", OPT_HELP, '-', "Display this summary"},
1ae56f2f	35	#ifndef OPENSSL_NO_ENGINE
5388f986	36	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
1ae56f2f	37	#endif
5388f986 RS	38
5388f986 RS	39	OPT_SECTION("Input"),
d18ba3cc	40	{"in", OPT_IN, 's', "Input file"},
6d382c74	41	{"inform", OPT_INFORM, 'f', "Input format (DER/PEM/P12/ENGINE)"},
5388f986 RS	42	{"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
	43	{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
	44	{"check", OPT_CHECK, '-', "check key consistency"},
	45	{"", OPT_CIPHER, '-', "Any supported cipher"},
	46	{"param_enc", OPT_PARAM_ENC, 's',
	47	"Specifies the way the ec parameters are encoded"},
	48	{"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "},
	49
	50	OPT_SECTION("Output"),
7e1b7485 RS	51	{"out", OPT_OUT, '>', "Output file"},
7e1b7485 RS	52	{"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
7e1b7485 RS	53	{"noout", OPT_NOOUT, '-', "Don't print key out"},
	54	{"text", OPT_TEXT, '-', "Print the key"},
	55	{"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"},
16e1b281	56	{"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
16754806	57	{"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
7e1b7485	58	{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
6bd4e3f2 P	59
6bd4e3f2 P	60	OPT_PROV_OPTIONS,
7e1b7485 RS	61	{NULL}
7e1b7485 RS	62	};
4d94ae00	63
7e1b7485	64	int ec_main(int argc, char **argv)
4d94ae00	65	{
5b5eea4b SL	66	OSSL_ENCODER_CTX *ectx = NULL;
	67	OSSL_DECODER_CTX *dctx = NULL;
	68	EVP_PKEY_CTX *pctx = NULL;
	69	EVP_PKEY *eckey = NULL;
57cea5ba	70	BIO *out = NULL;
396ba1ca	71	ENGINE *e = NULL;
606a417f	72	EVP_CIPHER *enc = NULL;
03bbd346	73	char infile = NULL, outfile = NULL, ciphername = NULL, prog;
333b070e	74	char passin = NULL, passout = NULL, passinarg = NULL, passoutarg = NULL;
7e1b7485	75	OPTION_CHOICE o;
d382e796	76	int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, text = 0, noout = 0;
5b5eea4b SL	77	int pubin = 0, pubout = 0, param_out = 0, ret = 1, private = 0;
	78	int check = 0;
	79	char *asn1_encoding = NULL;
	80	char *point_format = NULL;
	81	int no_public = 0;
4d94ae00	82
2c272447	83	opt_set_unknown_name("cipher");
7e1b7485 RS	84	prog = opt_init(argc, argv, ec_options);
	85	while ((o = opt_next()) != OPT_EOF) {
	86	switch (o) {
	87	case OPT_EOF:
	88	case OPT_ERR:
	89	opthelp:
	90	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	91	goto end;
	92	case OPT_HELP:
	93	opt_help(ec_options);
	94	ret = 0;
	95	goto end;
	96	case OPT_INFORM:
d18ba3cc	97	if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
7e1b7485 RS	98	goto opthelp;
	99	break;
	100	case OPT_IN:
	101	infile = opt_arg();
	102	break;
	103	case OPT_OUTFORM:
	104	if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
	105	goto opthelp;
	106	break;
	107	case OPT_OUT:
	108	outfile = opt_arg();
	109	break;
	110	case OPT_NOOUT:
0f113f3e	111	noout = 1;
7e1b7485 RS	112	break;
7e1b7485 RS	113	case OPT_TEXT:
0f113f3e	114	text = 1;
7e1b7485 RS	115	break;
7e1b7485 RS	116	case OPT_PARAM_OUT:
0f113f3e	117	param_out = 1;
7e1b7485 RS	118	break;
7e1b7485 RS	119	case OPT_PUBIN:
0f113f3e	120	pubin = 1;
7e1b7485 RS	121	break;
7e1b7485 RS	122	case OPT_PUBOUT:
0f113f3e	123	pubout = 1;
7e1b7485 RS	124	break;
	125	case OPT_PASSIN:
	126	passinarg = opt_arg();
	127	break;
	128	case OPT_PASSOUT:
	129	passoutarg = opt_arg();
	130	break;
	131	case OPT_ENGINE:
d18ba3cc	132	e = setup_engine(opt_arg(), 0);
7e1b7485 RS	133	break;
7e1b7485 RS	134	case OPT_CIPHER:
03bbd346	135	ciphername = opt_unknown();
cc630cdb	136	break;
7e1b7485	137	case OPT_CONV_FORM:
5b5eea4b SL	138	point_format = opt_arg();
5b5eea4b SL	139	if (!opt_string(point_format, point_format_options))
7e1b7485	140	goto opthelp;
7e1b7485 RS	141	break;
7e1b7485 RS	142	case OPT_PARAM_ENC:
5b5eea4b SL	143	asn1_encoding = opt_arg();
5b5eea4b SL	144	if (!opt_string(asn1_encoding, asn1_encoding_options))
7e1b7485	145	goto opthelp;
0f113f3e	146	break;
16754806 DSH	147	case OPT_NO_PUBLIC:
	148	no_public = 1;
	149	break;
7565cbc4 DSH	150	case OPT_CHECK:
	151	check = 1;
	152	break;
6bd4e3f2 P	153	case OPT_PROV_CASES:
	154	if (!opt_provider(o))
	155	goto end;
	156	break;
0f113f3e	157	}
0f113f3e	158	}
021410ea RS	159
021410ea RS	160	/* No extra arguments. */
d9f07357	161	if (!opt_check_rest_arg(NULL))
03358517 KR	162	goto opthelp;
03358517 KR	163
d9f07357 DDO	164	if (!opt_cipher(ciphername, &enc))
d9f07357 DDO	165	goto opthelp;
3b061a00	166	private = param_out \|\| pubin \|\| pubout ? 0 : 1;
7eff6aa0	167	if (text && !pubin)
3b061a00	168	private = 1;
4d94ae00	169
7e1b7485	170	if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
0f113f3e MC	171	BIO_printf(bio_err, "Error getting passwords\n");
	172	goto end;
	173	}
4d94ae00	174
0f113f3e	175	BIO_printf(bio_err, "read EC key\n");
5b5eea4b SL	176
	177	if (pubin)
	178	eckey = load_pubkey(infile, informat, 1, passin, e, "public key");
	179	else
	180	eckey = load_key(infile, informat, 1, passin, e, "private key");
	181
0f113f3e MC	182	if (eckey == NULL) {
0f113f3e MC	183	BIO_printf(bio_err, "unable to load Key\n");
0f113f3e MC	184	goto end;
0f113f3e MC	185	}
4d94ae00	186
bdd58d98	187	out = bio_open_owner(outfile, outformat, private);
7e1b7485 RS	188	if (out == NULL)
7e1b7485 RS	189	goto end;
4d94ae00	190
5b5eea4b SL	191	if (point_format
	192	&& !EVP_PKEY_set_utf8_string_param(
	193	eckey, OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
	194	point_format)) {
	195	BIO_printf(bio_err, "unable to set point conversion format\n");
	196	goto end;
	197	}
4d94ae00	198
5b5eea4b SL	199	if (asn1_encoding != NULL
	200	&& !EVP_PKEY_set_utf8_string_param(
	201	eckey, OSSL_PKEY_PARAM_EC_ENCODING, asn1_encoding)) {
	202	BIO_printf(bio_err, "unable to set asn1 encoding format\n");
	203	goto end;
	204	}
eefa6e4e	205
b5644c2a W	206	if (no_public) {
	207	if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0)) {
	208	BIO_printf(bio_err, "unable to disable public key encoding\n");
	209	goto end;
	210	}
	211	} else {
	212	if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 1)) {
	213	BIO_printf(bio_err, "unable to enable public key encoding\n");
	214	goto end;
	215	}
5b5eea4b	216	}
16754806	217
3b061a00	218	if (text) {
7eff6aa0	219	assert(pubin \|\| private);
5b5eea4b SL	220	if ((pubin && EVP_PKEY_print_public(out, eckey, 0, NULL) <= 0)
	221	\|\| (!pubin && EVP_PKEY_print_private(out, eckey, 0, NULL) <= 0)) {
	222	BIO_printf(bio_err, "unable to print EC key\n");
0f113f3e MC	223	goto end;
0f113f3e MC	224	}
3b061a00	225	}
4d94ae00	226
7565cbc4	227	if (check) {
5b5eea4b SL	228	pctx = EVP_PKEY_CTX_new_from_pkey(NULL, eckey, NULL);
	229	if (pctx == NULL) {
	230	BIO_printf(bio_err, "unable to check EC key\n");
	231	goto end;
7565cbc4	232	}
92d0d7ea	233	if (EVP_PKEY_check(pctx) <= 0)
5b5eea4b SL	234	BIO_printf(bio_err, "EC Key Invalid!\n");
	235	else
	236	BIO_printf(bio_err, "EC Key valid.\n");
	237	ERR_print_errors(bio_err);
7565cbc4 DSH	238	}
7565cbc4 DSH	239
5b5eea4b SL	240	if (!noout) {
	241	int selection;
	242	const char *output_type = outformat == FORMAT_ASN1 ? "DER" : "PEM";
	243	const char *output_structure = "type-specific";
eefa6e4e	244
5b5eea4b	245	BIO_printf(bio_err, "writing EC key\n");
2234212c	246	if (param_out) {
5b5eea4b	247	selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS;
2234212c	248	} else if (pubin \|\| pubout) {
5b5eea4b SL	249	selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS
	250	\| OSSL_KEYMGMT_SELECT_PUBLIC_KEY;
	251	output_structure = "SubjectPublicKeyInfo";
2234212c	252	} else {
5b5eea4b	253	selection = OSSL_KEYMGMT_SELECT_ALL;
3b061a00	254	assert(private);
3b061a00	255	}
5b5eea4b	256
fe75766c TM	257	ectx = OSSL_ENCODER_CTX_new_for_pkey(eckey, selection,
	258	output_type, output_structure,
	259	NULL);
5b5eea4b	260	if (enc != NULL) {
ed576acd	261	OSSL_ENCODER_CTX_set_cipher(ectx, EVP_CIPHER_get0_name(enc), NULL);
49ce0037 RL	262	/* Default passphrase prompter */
49ce0037 RL	263	OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL);
5b5eea4b	264	if (passout != NULL)
49ce0037	265	/* When passout given, override the passphrase prompter */
5b5eea4b SL	266	OSSL_ENCODER_CTX_set_passphrase(ectx,
	267	(const unsigned char *)passout,
	268	strlen(passout));
	269	}
	270	if (!OSSL_ENCODER_to_bio(ectx, out)) {
	271	BIO_printf(bio_err, "unable to write EC key\n");
	272	goto end;
3b061a00	273	}
0f113f3e	274	}
eefa6e4e	275
5b5eea4b SL	276	ret = 0;
	277	end:
	278	if (ret != 0)
0f113f3e	279	ERR_print_errors(bio_err);
ca3a82c3	280	BIO_free_all(out);
5b5eea4b	281	EVP_PKEY_free(eckey);
606a417f	282	EVP_CIPHER_free(enc);
5b5eea4b SL	283	OSSL_ENCODER_CTX_free(ectx);
	284	OSSL_DECODER_CTX_free(dctx);
	285	EVP_PKEY_CTX_free(pctx);
dd1abd44	286	release_engine(e);
5b5eea4b SL	287	if (passin != NULL)
	288	OPENSSL_clear_free(passin, strlen(passin));
	289	if (passout != NULL)
	290	OPENSSL_clear_free(passout, strlen(passout));
26a7d938	291	return ret;
4d94ae00	292	}