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

/*
 * Copyright 2006-2024 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 <stdio.h>
#include <string.h>
#include "apps.h"
#include "progs.h"
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/evp.h>

static int verbose = 1;

static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e,
                            OSSL_LIB_CTX *libctx, const char *propq);
typedef enum OPTION_choice {
    OPT_COMMON,
    OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE,
    OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER,
    OPT_VERBOSE, OPT_QUIET, OPT_CONFIG, OPT_OUTPUBKEY,
    OPT_PROV_ENUM, OPT_R_ENUM
} OPTION_CHOICE;

const OPTIONS genpkey_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
    {"paramfile", OPT_PARAMFILE, '<', "Parameters file"},
    {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"},
    {"verbose", OPT_VERBOSE, '-', "Output status while generating keys"},
    {"quiet", OPT_QUIET, '-', "Do not output status while generating keys"},
    {"pkeyopt", OPT_PKEYOPT, 's',
     "Set the public key algorithm option as opt:value"},
     OPT_CONFIG_OPTION,

    OPT_SECTION("Output"),
    {"out", OPT_OUT, '>', "Output (private key) file"},
    {"outpubkey", OPT_OUTPUBKEY, '>', "Output public key file"},
    {"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"},
    {"pass", OPT_PASS, 's', "Output file pass phrase source"},
    {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"},
    {"text", OPT_TEXT, '-', "Print the private key in text"},
    {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"},

    OPT_PROV_OPTIONS,
    OPT_R_OPTIONS,

    /* This is deliberately last. */
    {OPT_HELP_STR, 1, 1,
     "Order of options may be important!  See the documentation.\n"},
    {NULL}
};

static const char *param_datatype_2name(unsigned int type, int *ishex)
{
    *ishex = 0;

    switch (type) {
    case OSSL_PARAM_INTEGER: return "int";
    case OSSL_PARAM_UNSIGNED_INTEGER: return "uint";
    case OSSL_PARAM_REAL: return "float";
    case OSSL_PARAM_OCTET_STRING: *ishex = 1; return "string";
    case OSSL_PARAM_UTF8_STRING: return "string";
    default:
        return NULL;
    }
}

static void show_gen_pkeyopt(const char *algname, OSSL_LIB_CTX *libctx, const char *propq)
{
    EVP_PKEY_CTX *ctx = NULL;
    const OSSL_PARAM *params;
    int i, ishex = 0;

    if (algname == NULL)
        return;
    ctx = EVP_PKEY_CTX_new_from_name(libctx, algname, propq);
    if (ctx == NULL)
        return;

    if (EVP_PKEY_keygen_init(ctx) <= 0)
        goto cleanup;
    params = EVP_PKEY_CTX_settable_params(ctx);
    if (params == NULL)
        goto cleanup;

    BIO_printf(bio_err, "\nThe possible -pkeyopt arguments are:\n");
    for (i = 0; params[i].key != NULL; ++i) {
        const char *name = param_datatype_2name(params[i].data_type, &ishex);

        if (name != NULL)
            BIO_printf(bio_err, "    %s%s:%s\n", ishex ? "hex" : "", params[i].key, name);
    }
cleanup:
    EVP_PKEY_CTX_free(ctx);
}

int genpkey_main(int argc, char **argv)
{
    CONF *conf = NULL;
    BIO *in = NULL, *out = NULL, *outpubkey = NULL;
    ENGINE *e = NULL;
    EVP_PKEY *pkey = NULL;
    EVP_PKEY_CTX *ctx = NULL;
    char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog, *p;
    char *outpubkeyfile = NULL;
    const char *ciphername = NULL, *paramfile = NULL, *algname = NULL;
    EVP_CIPHER *cipher = NULL;
    OPTION_CHOICE o;
    int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0;
    int private = 0, i;
    OSSL_LIB_CTX *libctx = app_get0_libctx();
    STACK_OF(OPENSSL_STRING) *keyopt = NULL;

    opt_set_unknown_name("cipher");
    prog = opt_init(argc, argv, genpkey_options);
    keyopt = sk_OPENSSL_STRING_new_null();
    if (keyopt == NULL)
        goto end;
    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:
            ret = 0;
            opt_help(genpkey_options);
            show_gen_pkeyopt(algname, libctx, app_get0_propq());
            goto end;
        case OPT_OUTFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
                goto opthelp;
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_OUTPUBKEY:
            outpubkeyfile = opt_arg();
            break;
        case OPT_PASS:
            passarg = opt_arg();
            break;
        case OPT_ENGINE:
            e = setup_engine(opt_arg(), 0);
            break;
        case OPT_PARAMFILE:
            if (do_param == 1)
                goto opthelp;
            paramfile = opt_arg();
            break;
        case OPT_ALGORITHM:
            algname = opt_arg();
            break;
        case OPT_PKEYOPT:
            if (!sk_OPENSSL_STRING_push(keyopt, opt_arg()))
                goto end;
            break;
        case OPT_QUIET:
            verbose = 0;
            break;
        case OPT_VERBOSE:
            verbose = 1;
            break;
        case OPT_GENPARAM:
            do_param = 1;
            break;
        case OPT_TEXT:
            text = 1;
            break;
        case OPT_CIPHER:
            ciphername = opt_unknown();
            break;
        case OPT_CONFIG:
            conf = app_load_config_modules(opt_arg());
            if (conf == NULL)
                goto end;
            break;
        case OPT_PROV_CASES:
            if (!opt_provider(o))
                goto end;
            break;
        case OPT_R_CASES:
            if (!opt_rand(o))
                goto end;
            break;
        }
    }

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

    if (!app_RAND_load())
        goto end;

    /* Fetch cipher, etc. */
    if (paramfile != NULL) {
        if (!init_keygen_file(&ctx, paramfile, e, libctx, app_get0_propq()))
            goto end;
    }
    if (algname != NULL) {
        if (!init_gen_str(&ctx, algname, e, do_param, libctx, app_get0_propq()))
            goto end;
    }
    if (ctx == NULL)
        goto opthelp;

    for (i = 0; i < sk_OPENSSL_STRING_num(keyopt); i++) {
        p = sk_OPENSSL_STRING_value(keyopt, i);
        if (pkey_ctrl_string(ctx, p) <= 0) {
            BIO_printf(bio_err, "%s: Error setting %s parameter:\n", prog, p);
            ERR_print_errors(bio_err);
            goto end;
        }
    }
    if (!opt_cipher(ciphername, &cipher))
        goto opthelp;
    if (ciphername != NULL && do_param == 1) {
        BIO_printf(bio_err, "Cannot use cipher with -genparam option\n");
        goto opthelp;
    }

    private = do_param ? 0 : 1;

    if (!app_passwd(passarg, NULL, &pass, NULL)) {
        BIO_puts(bio_err, "Error getting password\n");
        goto end;
    }

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

    if (outpubkeyfile != NULL) {
        outpubkey = bio_open_owner(outpubkeyfile, outformat, private);
        if (outpubkey == NULL)
            goto end;
    }

    if (verbose)
        EVP_PKEY_CTX_set_cb(ctx, progress_cb);
    EVP_PKEY_CTX_set_app_data(ctx, bio_err);

    pkey = do_param ? app_paramgen(ctx, algname)
                    : app_keygen(ctx, algname, 0, 0 /* not verbose */);
    if (pkey == NULL)
        goto end;

    if (do_param) {
        rv = PEM_write_bio_Parameters(out, pkey);
    } else if (outformat == FORMAT_PEM) {
        assert(private);
        rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass);
        if (rv > 0 && outpubkey != NULL)
           rv = PEM_write_bio_PUBKEY(outpubkey, pkey);
    } else if (outformat == FORMAT_ASN1) {
        assert(private);
        rv = i2d_PrivateKey_bio(out, pkey);
        if (rv > 0 && outpubkey != NULL)
           rv = i2d_PUBKEY_bio(outpubkey, pkey);
    } else {
        BIO_printf(bio_err, "Bad format specified for key\n");
        goto end;
    }

    ret = 0;

    if (rv <= 0) {
        BIO_puts(bio_err, "Error writing key(s)\n");
        ret = 1;
    }

    if (text) {
        if (do_param)
            rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
        else
            rv = EVP_PKEY_print_private(out, pkey, 0, NULL);

        if (rv <= 0) {
            BIO_puts(bio_err, "Error printing key\n");
            ret = 1;
        }
    }

 end:
    sk_OPENSSL_STRING_free(keyopt);
    if (ret != 0)
        ERR_print_errors(bio_err);
    EVP_PKEY_free(pkey);
    EVP_PKEY_CTX_free(ctx);
    EVP_CIPHER_free(cipher);
    BIO_free_all(out);
    BIO_free_all(outpubkey);
    BIO_free(in);
    release_engine(e);
    OPENSSL_free(pass);
    NCONF_free(conf);
    return ret;
}

static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e,
                            OSSL_LIB_CTX *libctx, const char *propq)
{
    BIO *pbio;
    EVP_PKEY *pkey = NULL;
    EVP_PKEY_CTX *ctx = NULL;
    if (*pctx) {
        BIO_puts(bio_err, "Parameters already set!\n");
        return 0;
    }

    pbio = BIO_new_file(file, "r");
    if (pbio == NULL) {
        BIO_printf(bio_err, "Can't open parameter file %s\n", file);
        return 0;
    }

    pkey = PEM_read_bio_Parameters_ex(pbio, NULL, libctx, propq);
    BIO_free(pbio);

    if (pkey == NULL) {
        BIO_printf(bio_err, "Error reading parameter file %s\n", file);
        return 0;
    }

    if (e != NULL)
        ctx = EVP_PKEY_CTX_new(pkey, e);
    else
        ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, propq);
    if (ctx == NULL)
        goto err;
    if (EVP_PKEY_keygen_init(ctx) <= 0)
        goto err;
    EVP_PKEY_free(pkey);
    *pctx = ctx;
    return 1;

 err:
    BIO_puts(bio_err, "Error initializing context\n");
    ERR_print_errors(bio_err);
    EVP_PKEY_CTX_free(ctx);
    EVP_PKEY_free(pkey);
    return 0;

}

int init_gen_str(EVP_PKEY_CTX **pctx,
                 const char *algname, ENGINE *e, int do_param,
                 OSSL_LIB_CTX *libctx, const char *propq)
{
    EVP_PKEY_CTX *ctx = NULL;
    int pkey_id;

    if (*pctx) {
        BIO_puts(bio_err, "Algorithm already set!\n");
        return 0;
    }

    pkey_id = get_legacy_pkey_id(libctx, algname, e);
    if (pkey_id != NID_undef)
        ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
    else
        ctx = EVP_PKEY_CTX_new_from_name(libctx, algname, propq);

    if (ctx == NULL)
        goto err;
    if (do_param) {
        if (EVP_PKEY_paramgen_init(ctx) <= 0)
            goto err;
    } else {
        if (EVP_PKEY_keygen_init(ctx) <= 0)
            goto err;
    }

    *pctx = ctx;
    return 1;

 err:
    BIO_printf(bio_err, "Error initializing %s context\n", algname);
    ERR_print_errors(bio_err);
    EVP_PKEY_CTX_free(ctx);
    return 0;

}
Commit	Line	Data
0f113f3e	1	/*
0ce7d1f3	2	* Copyright 2006-2024 The OpenSSL Project Authors. All Rights Reserved.
f5cda4cb	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
f5cda4cb	8	*/
846e33c7	9
f5cda4cb DSH	10	#include <stdio.h>
	11	#include <string.h>
	12	#include "apps.h"
dab2cd68	13	#include "progs.h"
f5cda4cb DSH	14	#include <openssl/pem.h>
	15	#include <openssl/err.h>
	16	#include <openssl/evp.h>
	17
a414fd67	18	static int verbose = 1;
7d72dc78	19
7c9a7cf1	20	static int init_keygen_file(EVP_PKEY_CTX *pctx, const char file, ENGINE *e,
b4250010	21	OSSL_LIB_CTX libctx, const char propq);
7e1b7485	22	typedef enum OPTION_choice {
b0f96018	23	OPT_COMMON,
7e1b7485	24	OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE,
6bd4e3f2	25	OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER,
6c03fa21	26	OPT_VERBOSE, OPT_QUIET, OPT_CONFIG, OPT_OUTPUBKEY,
7698f80a	27	OPT_PROV_ENUM, OPT_R_ENUM
7e1b7485 RS	28	} OPTION_CHOICE;
7e1b7485 RS	29
44c83ebd	30	const OPTIONS genpkey_options[] = {
5388f986	31	OPT_SECTION("General"),
7e1b7485	32	{"help", OPT_HELP, '-', "Display this summary"},
5388f986 RS	33	#ifndef OPENSSL_NO_ENGINE
	34	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
	35	#endif
7e1b7485 RS	36	{"paramfile", OPT_PARAMFILE, '<', "Parameters file"},
7e1b7485 RS	37	{"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"},
a414fd67	38	{"verbose", OPT_VERBOSE, '-', "Output status while generating keys"},
dbd0244a	39	{"quiet", OPT_QUIET, '-', "Do not output status while generating keys"},
7e1b7485 RS	40	{"pkeyopt", OPT_PKEYOPT, 's',
7e1b7485 RS	41	"Set the public key algorithm option as opt:value"},
7c9a7cf1	42	OPT_CONFIG_OPTION,
5388f986 RS	43
5388f986 RS	44	OPT_SECTION("Output"),
6c03fa21 MB	45	{"out", OPT_OUT, '>', "Output (private key) file"},
6c03fa21 MB	46	{"outpubkey", OPT_OUTPUBKEY, '>', "Output public key file"},
5388f986 RS	47	{"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"},
5388f986 RS	48	{"pass", OPT_PASS, 's', "Output file pass phrase source"},
7e1b7485	49	{"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"},
6c03fa21	50	{"text", OPT_TEXT, '-', "Print the private key in text"},
7e1b7485	51	{"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"},
5388f986	52
6bd4e3f2	53	OPT_PROV_OPTIONS,
7698f80a	54	OPT_R_OPTIONS,
6bd4e3f2	55
9c3bcfa0	56	/* This is deliberately last. */
7e1b7485 RS	57	{OPT_HELP_STR, 1, 1,
	58	"Order of options may be important! See the documentation.\n"},
	59	{NULL}
	60	};
f5cda4cb	61
2c1ec72a	62	static const char param_datatype_2name(unsigned int type, int ishex)
	63	{
	64	*ishex = 0;
	65
	66	switch (type) {
	67	case OSSL_PARAM_INTEGER: return "int";
	68	case OSSL_PARAM_UNSIGNED_INTEGER: return "uint";
	69	case OSSL_PARAM_REAL: return "float";
	70	case OSSL_PARAM_OCTET_STRING: *ishex = 1; return "string";
	71	case OSSL_PARAM_UTF8_STRING: return "string";
	72	default:
	73	return NULL;
	74	}
	75	}
	76
	77	static void show_gen_pkeyopt(const char algname, OSSL_LIB_CTX libctx, const char *propq)
	78	{
	79	EVP_PKEY_CTX *ctx = NULL;
	80	const OSSL_PARAM *params;
	81	int i, ishex = 0;
	82
	83	if (algname == NULL)
	84	return;
	85	ctx = EVP_PKEY_CTX_new_from_name(libctx, algname, propq);
	86	if (ctx == NULL)
	87	return;
	88
	89	if (EVP_PKEY_keygen_init(ctx) <= 0)
	90	goto cleanup;
	91	params = EVP_PKEY_CTX_settable_params(ctx);
	92	if (params == NULL)
	93	goto cleanup;
	94
	95	BIO_printf(bio_err, "\nThe possible -pkeyopt arguments are:\n");
	96	for (i = 0; params[i].key != NULL; ++i) {
	97	const char *name = param_datatype_2name(params[i].data_type, &ishex);
	98
	99	if (name != NULL)
	100	BIO_printf(bio_err, " %s%s:%s\n", ishex ? "hex" : "", params[i].key, name);
	101	}
	102	cleanup:
	103	EVP_PKEY_CTX_free(ctx);
	104	}
	105
7e1b7485	106	int genpkey_main(int argc, char **argv)
0f113f3e	107	{
7c9a7cf1	108	CONF *conf = NULL;
6c03fa21	109	BIO in = NULL, out = NULL, *outpubkey = NULL;
7e1b7485	110	ENGINE *e = NULL;
0f113f3e MC	111	EVP_PKEY *pkey = NULL;
0f113f3e MC	112	EVP_PKEY_CTX *ctx = NULL;
182717bd	113	char outfile = NULL, passarg = NULL, pass = NULL, prog, *p;
6c03fa21	114	char *outpubkeyfile = NULL;
182717bd	115	const char ciphername = NULL, paramfile = NULL, *algname = NULL;
606a417f	116	EVP_CIPHER *cipher = NULL;
7e1b7485 RS	117	OPTION_CHOICE o;
7e1b7485 RS	118	int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0;
f7d2427a	119	int private = 0, i;
b4250010	120	OSSL_LIB_CTX *libctx = app_get0_libctx();
182717bd	121	STACK_OF(OPENSSL_STRING) *keyopt = NULL;
7e1b7485	122
2c272447	123	opt_set_unknown_name("cipher");
7e1b7485	124	prog = opt_init(argc, argv, genpkey_options);
182717bd RS	125	keyopt = sk_OPENSSL_STRING_new_null();
	126	if (keyopt == NULL)
	127	goto end;
7e1b7485 RS	128	while ((o = opt_next()) != OPT_EOF) {
	129	switch (o) {
	130	case OPT_EOF:
	131	case OPT_ERR:
	132	opthelp:
	133	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	134	goto end;
	135	case OPT_HELP:
	136	ret = 0;
	137	opt_help(genpkey_options);
2c1ec72a	138	show_gen_pkeyopt(algname, libctx, app_get0_propq());
7e1b7485 RS	139	goto end;
	140	case OPT_OUTFORM:
	141	if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
	142	goto opthelp;
	143	break;
	144	case OPT_OUT:
	145	outfile = opt_arg();
	146	break;
6c03fa21 MB	147	case OPT_OUTPUBKEY:
	148	outpubkeyfile = opt_arg();
	149	break;
7e1b7485 RS	150	case OPT_PASS:
	151	passarg = opt_arg();
	152	break;
7e1b7485 RS	153	case OPT_ENGINE:
	154	e = setup_engine(opt_arg(), 0);
	155	break;
7e1b7485	156	case OPT_PARAMFILE:
0f113f3e	157	if (do_param == 1)
7e1b7485	158	goto opthelp;
182717bd	159	paramfile = opt_arg();
7e1b7485 RS	160	break;
7e1b7485 RS	161	case OPT_ALGORITHM:
182717bd	162	algname = opt_arg();
7e1b7485 RS	163	break;
7e1b7485 RS	164	case OPT_PKEYOPT:
182717bd	165	if (!sk_OPENSSL_STRING_push(keyopt, opt_arg()))
0f113f3e	166	goto end;
7e1b7485	167	break;
7d72dc78	168	case OPT_QUIET:
a414fd67 PP	169	verbose = 0;
	170	break;
	171	case OPT_VERBOSE:
	172	verbose = 1;
7d72dc78	173	break;
7e1b7485	174	case OPT_GENPARAM:
0f113f3e	175	do_param = 1;
7e1b7485 RS	176	break;
7e1b7485 RS	177	case OPT_TEXT:
0f113f3e	178	text = 1;
7e1b7485 RS	179	break;
7e1b7485 RS	180	case OPT_CIPHER:
182717bd	181	ciphername = opt_unknown();
6bd4e3f2	182	break;
7c9a7cf1 SL	183	case OPT_CONFIG:
	184	conf = app_load_config_modules(opt_arg());
	185	if (conf == NULL)
	186	goto end;
	187	break;
6bd4e3f2 P	188	case OPT_PROV_CASES:
	189	if (!opt_provider(o))
	190	goto end;
	191	break;
7698f80a VD	192	case OPT_R_CASES:
	193	if (!opt_rand(o))
	194	goto end;
	195	break;
0f113f3e	196	}
0f113f3e	197	}
021410ea RS	198
021410ea RS	199	/* No extra arguments. */
d9f07357	200	if (!opt_check_rest_arg(NULL))
03358517 KR	201	goto opthelp;
03358517 KR	202
7698f80a VD	203	if (!app_RAND_load())
	204	goto end;
	205
182717bd RS	206	/* Fetch cipher, etc. */
	207	if (paramfile != NULL) {
	208	if (!init_keygen_file(&ctx, paramfile, e, libctx, app_get0_propq()))
	209	goto end;
	210	}
	211	if (algname != NULL) {
	212	if (!init_gen_str(&ctx, algname, e, do_param, libctx, app_get0_propq()))
	213	goto end;
	214	}
7e1b7485 RS	215	if (ctx == NULL)
7e1b7485 RS	216	goto opthelp;
0f113f3e	217
182717bd RS	218	for (i = 0; i < sk_OPENSSL_STRING_num(keyopt); i++) {
	219	p = sk_OPENSSL_STRING_value(keyopt, i);
	220	if (pkey_ctrl_string(ctx, p) <= 0) {
	221	BIO_printf(bio_err, "%s: Error setting %s parameter:\n", prog, p);
	222	ERR_print_errors(bio_err);
	223	goto end;
	224	}
	225	}
d9f07357 DDO	226	if (!opt_cipher(ciphername, &cipher))
	227	goto opthelp;
	228	if (ciphername != NULL && do_param == 1) {
	229	BIO_printf(bio_err, "Cannot use cipher with -genparam option\n");
	230	goto opthelp;
	231	}
182717bd RS	232
	233	private = do_param ? 0 : 1;
	234
7e1b7485	235	if (!app_passwd(passarg, NULL, &pass, NULL)) {
0f113f3e MC	236	BIO_puts(bio_err, "Error getting password\n");
	237	goto end;
	238	}
	239
bdd58d98	240	out = bio_open_owner(outfile, outformat, private);
7e1b7485 RS	241	if (out == NULL)
7e1b7485 RS	242	goto end;
0f113f3e	243
6c03fa21 MB	244	if (outpubkeyfile != NULL) {
	245	outpubkey = bio_open_owner(outpubkeyfile, outformat, private);
	246	if (outpubkey == NULL)
	247	goto end;
	248	}
	249
a414fd67	250	if (verbose)
e1cd94f2	251	EVP_PKEY_CTX_set_cb(ctx, progress_cb);
0f113f3e MC	252	EVP_PKEY_CTX_set_app_data(ctx, bio_err);
0f113f3e MC	253
a7e4ca5b DDO	254	pkey = do_param ? app_paramgen(ctx, algname)
a7e4ca5b DDO	255	: app_keygen(ctx, algname, 0, 0 /* not verbose */);
8c040c08 BE	256	if (pkey == NULL)
8c040c08 BE	257	goto end;
0f113f3e	258
2234212c	259	if (do_param) {
0f113f3e	260	rv = PEM_write_bio_Parameters(out, pkey);
2234212c	261	} else if (outformat == FORMAT_PEM) {
3b061a00	262	assert(private);
0f113f3e	263	rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass);
6c03fa21 MB	264	if (rv > 0 && outpubkey != NULL)
6c03fa21 MB	265	rv = PEM_write_bio_PUBKEY(outpubkey, pkey);
3b061a00 RS	266	} else if (outformat == FORMAT_ASN1) {
3b061a00 RS	267	assert(private);
0f113f3e	268	rv = i2d_PrivateKey_bio(out, pkey);
6c03fa21 MB	269	if (rv > 0 && outpubkey != NULL)
6c03fa21 MB	270	rv = i2d_PUBKEY_bio(outpubkey, pkey);
3b061a00	271	} else {
0f113f3e MC	272	BIO_printf(bio_err, "Bad format specified for key\n");
	273	goto end;
	274	}
	275
466d30c0 NT	276	ret = 0;
466d30c0 NT	277
0f113f3e	278	if (rv <= 0) {
6c03fa21	279	BIO_puts(bio_err, "Error writing key(s)\n");
466d30c0	280	ret = 1;
0f113f3e MC	281	}
	282
	283	if (text) {
	284	if (do_param)
	285	rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
	286	else
	287	rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
	288
	289	if (rv <= 0) {
	290	BIO_puts(bio_err, "Error printing key\n");
466d30c0	291	ret = 1;
0f113f3e MC	292	}
	293	}
	294
0f113f3e	295	end:
182717bd	296	sk_OPENSSL_STRING_free(keyopt);
a7e4ca5b DDO	297	if (ret != 0)
a7e4ca5b DDO	298	ERR_print_errors(bio_err);
c5ba2d99 RS	299	EVP_PKEY_free(pkey);
c5ba2d99 RS	300	EVP_PKEY_CTX_free(ctx);
606a417f	301	EVP_CIPHER_free(cipher);
ca3a82c3	302	BIO_free_all(out);
6c03fa21	303	BIO_free_all(outpubkey);
0f113f3e	304	BIO_free(in);
dd1abd44	305	release_engine(e);
b548a1f1	306	OPENSSL_free(pass);
7c9a7cf1	307	NCONF_free(conf);
0f113f3e MC	308	return ret;
0f113f3e MC	309	}
f5cda4cb	310
7c9a7cf1	311	static int init_keygen_file(EVP_PKEY_CTX *pctx, const char file, ENGINE *e,
b4250010	312	OSSL_LIB_CTX libctx, const char propq)
0f113f3e MC	313	{
	314	BIO *pbio;
	315	EVP_PKEY *pkey = NULL;
	316	EVP_PKEY_CTX *ctx = NULL;
	317	if (*pctx) {
7e1b7485	318	BIO_puts(bio_err, "Parameters already set!\n");
0f113f3e MC	319	return 0;
	320	}
	321
	322	pbio = BIO_new_file(file, "r");
12a765a5	323	if (pbio == NULL) {
7e1b7485	324	BIO_printf(bio_err, "Can't open parameter file %s\n", file);
0f113f3e MC	325	return 0;
	326	}
	327
3d63348a	328	pkey = PEM_read_bio_Parameters_ex(pbio, NULL, libctx, propq);
0f113f3e MC	329	BIO_free(pbio);
0f113f3e MC	330
12a765a5	331	if (pkey == NULL) {
0f113f3e MC	332	BIO_printf(bio_err, "Error reading parameter file %s\n", file);
	333	return 0;
	334	}
	335
7c9a7cf1 SL	336	if (e != NULL)
	337	ctx = EVP_PKEY_CTX_new(pkey, e);
	338	else
	339	ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, propq);
96487cdd	340	if (ctx == NULL)
0f113f3e MC	341	goto err;
	342	if (EVP_PKEY_keygen_init(ctx) <= 0)
	343	goto err;
	344	EVP_PKEY_free(pkey);
	345	*pctx = ctx;
	346	return 1;
	347
	348	err:
7e1b7485 RS	349	BIO_puts(bio_err, "Error initializing context\n");
7e1b7485 RS	350	ERR_print_errors(bio_err);
c5ba2d99 RS	351	EVP_PKEY_CTX_free(ctx);
c5ba2d99 RS	352	EVP_PKEY_free(pkey);
0f113f3e MC	353	return 0;
	354
	355	}
f5cda4cb	356
7e1b7485	357	int init_gen_str(EVP_PKEY_CTX **pctx,
7c9a7cf1	358	const char algname, ENGINE e, int do_param,
b4250010	359	OSSL_LIB_CTX libctx, const char propq)
0f113f3e MC	360	{
0f113f3e MC	361	EVP_PKEY_CTX *ctx = NULL;
0f113f3e	362	int pkey_id;
01b8b3c7	363
0f113f3e	364	if (*pctx) {
7e1b7485	365	BIO_puts(bio_err, "Algorithm already set!\n");
0f113f3e MC	366	return 0;
0f113f3e MC	367	}
b3c6a331	368
0f386f2e MC	369	pkey_id = get_legacy_pkey_id(libctx, algname, e);
0f386f2e MC	370	if (pkey_id != NID_undef)
7c9a7cf1	371	ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
0f386f2e	372	else
7c9a7cf1	373	ctx = EVP_PKEY_CTX_new_from_name(libctx, algname, propq);
0f113f3e	374
0f386f2e	375	if (ctx == NULL)
0f113f3e MC	376	goto err;
	377	if (do_param) {
	378	if (EVP_PKEY_paramgen_init(ctx) <= 0)
	379	goto err;
	380	} else {
	381	if (EVP_PKEY_keygen_init(ctx) <= 0)
	382	goto err;
	383	}
	384
	385	*pctx = ctx;
	386	return 1;
	387
	388	err:
7e1b7485 RS	389	BIO_printf(bio_err, "Error initializing %s context\n", algname);
7e1b7485 RS	390	ERR_print_errors(bio_err);
c5ba2d99	391	EVP_PKEY_CTX_free(ctx);
0f113f3e MC	392	return 0;
	393
	394	}
f5cda4cb	395