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

/*
 * Copyright 1995-2020 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>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "apps.h"
#include "progs.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/bn.h>

typedef enum OPTION_choice {
    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
    OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
    OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN,
    OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT,
    /* Do not change the order here; see case statements below */
    OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
    OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER,
    OPT_PROV_ENUM, OPT_TRADITIONAL
} OPTION_CHOICE;

const OPTIONS rsa_options[] = {
    OPT_SECTION("General"),
    {"help", OPT_HELP, '-', "Display this summary"},
    {"check", OPT_CHECK, '-', "Verify key consistency"},
    {"", OPT_CIPHER, '-', "Any supported cipher"},
#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"},
    {"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"},
    {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},

    OPT_SECTION("Output"),
    {"out", OPT_OUT, '>', "Output file"},
    {"outform", OPT_OUTFORM, 'f', "Output format, one of DER PEM PVK"},
    {"pubout", OPT_PUBOUT, '-', "Output a public key"},
    {"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"},
    {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
    {"noout", OPT_NOOUT, '-', "Don't print key out"},
    {"text", OPT_TEXT, '-', "Print the key in text"},
    {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
    {"traditional", OPT_TRADITIONAL, '-',
     "Use traditional format for private keys"},

#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
    OPT_SECTION("PVK"),
    {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"},
    {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"},
    {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"},
#endif

    OPT_PROV_OPTIONS,
    {NULL}
};

int rsa_main(int argc, char **argv)
{
    ENGINE *e = NULL;
    BIO *out = NULL;
    RSA *rsa = NULL;
    EVP_PKEY *pkey = NULL;
    EVP_PKEY_CTX *pctx;
    const EVP_CIPHER *enc = NULL;
    char *infile = NULL, *outfile = NULL, *prog;
    char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
    int i, private = 0;
    int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0;
    int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1;
#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
    int pvk_encr = 2;
#endif
    OPTION_CHOICE o;
    int traditional = 0;

    prog = opt_init(argc, argv, rsa_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(rsa_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_ANY, &outformat))
                goto opthelp;
            break;
        case OPT_OUT:
            outfile = opt_arg();
            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_PUBIN:
            pubin = 1;
            break;
        case OPT_PUBOUT:
            pubout = 1;
            break;
        case OPT_RSAPUBKEY_IN:
            pubin = 2;
            break;
        case OPT_RSAPUBKEY_OUT:
            pubout = 2;
            break;
        case OPT_PVK_STRONG:    /* pvk_encr:= 2 */
        case OPT_PVK_WEAK:      /* pvk_encr:= 1 */
        case OPT_PVK_NONE:      /* pvk_encr:= 0 */
#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
            pvk_encr = (o - OPT_PVK_NONE);
#endif
            break;
        case OPT_NOOUT:
            noout = 1;
            break;
        case OPT_TEXT:
            text = 1;
            break;
        case OPT_MODULUS:
            modulus = 1;
            break;
        case OPT_CHECK:
            check = 1;
            break;
        case OPT_CIPHER:
            if (!opt_cipher(opt_unknown(), &enc))
                goto opthelp;
            break;
        case OPT_PROV_CASES:
            if (!opt_provider(o))
                goto end;
            break;
        case OPT_TRADITIONAL:
            traditional = 1;
            break;
        }
    }
    argc = opt_num_rest();
    if (argc != 0)
        goto opthelp;

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

    if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
        BIO_printf(bio_err, "Error getting passwords\n");
        goto end;
    }
    if (check && pubin) {
        BIO_printf(bio_err, "Only private keys can be checked\n");
        goto end;
    }

    if (pubin) {
        int tmpformat = -1;

        if (pubin == 2) {
            if (informat == FORMAT_PEM)
                tmpformat = FORMAT_PEMRSA;
            else if (informat == FORMAT_ASN1)
                tmpformat = FORMAT_ASN1RSA;
        } else {
            tmpformat = informat;
        }

        pkey = load_pubkey(infile, tmpformat, 1, passin, e, "public key");
    } else {
        pkey = load_key(infile, informat, 1, passin, e, "private key");
    }

    if (pkey != NULL)
        rsa = EVP_PKEY_get1_RSA(pkey);

    if (rsa == NULL) {
        ERR_print_errors(bio_err);
        goto end;
    }

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

    if (text) {
        assert(pubin || private);
        if ((pubin && EVP_PKEY_print_public(out, pkey, 0, NULL) <= 0)
            || (!pubin && EVP_PKEY_print_private(out, pkey, 0, NULL) <= 0)) {
            perror(outfile);
            ERR_print_errors(bio_err);
            goto end;
        }
    }

    if (modulus) {
        const BIGNUM *n;
        RSA_get0_key(rsa, &n, NULL, NULL);
        BIO_printf(out, "Modulus=");
        BN_print(out, n);
        BIO_printf(out, "\n");
    }

    if (check) {
        int r;

        pctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL);
        if (pctx == NULL) {
            BIO_printf(out, "RSA unable to create PKEY context\n");
            ERR_print_errors(bio_err);
            goto end;
        }
        r = EVP_PKEY_check(pctx);
        EVP_PKEY_CTX_free(pctx);

        if (r == 1) {
            BIO_printf(out, "RSA key ok\n");
        } else if (r == 0) {
            unsigned long err;

            while ((err = ERR_peek_error()) != 0 &&
                   ERR_GET_LIB(err) == ERR_LIB_RSA &&
                   ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) {
                BIO_printf(out, "RSA key error: %s\n",
                           ERR_reason_error_string(err));
                ERR_get_error(); /* remove err from error stack */
            }
        } else if (r == -1) {
            ERR_print_errors(bio_err);
            goto end;
        }
    }

    if (noout) {
        ret = 0;
        goto end;
    }
    BIO_printf(bio_err, "writing RSA key\n");
    if (outformat == FORMAT_ASN1) {
        if (pubout || pubin) {
            if (pubout == 2)
                i = i2d_RSAPublicKey_bio(out, rsa);
            else
                i = i2d_RSA_PUBKEY_bio(out, rsa);
        } else {
            assert(private);
            i = i2d_RSAPrivateKey_bio(out, rsa);
        }
    } else if (outformat == FORMAT_PEM) {
        if (pubout || pubin) {
            if (pubout == 2)
                i = PEM_write_bio_RSAPublicKey(out, rsa);
            else
                i = PEM_write_bio_RSA_PUBKEY(out, rsa);
        } else {
            assert(private);
            if (traditional) {
                i = PEM_write_bio_PrivateKey_traditional(out, pkey, enc, NULL, 0,
                                                         NULL, passout);
            } else {
                i = PEM_write_bio_PrivateKey(out, pkey,
                                             enc, NULL, 0, NULL, passout);
            }
        }
#ifndef OPENSSL_NO_DSA
    } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
        EVP_PKEY *pk;
        pk = EVP_PKEY_new();
        if (pk == NULL)
            goto end;

        EVP_PKEY_set1_RSA(pk, rsa);
        if (outformat == FORMAT_PVK) {
            if (pubin) {
                BIO_printf(bio_err, "PVK form impossible with public key input\n");
                EVP_PKEY_free(pk);
                goto end;
            }
            assert(private);
# ifdef OPENSSL_NO_RC4
            BIO_printf(bio_err, "PVK format not supported\n");
            EVP_PKEY_free(pk);
            goto end;
# else
            i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
# endif
        } else if (pubin || pubout) {
            i = i2b_PublicKey_bio(out, pk);
        } else {
            assert(private);
            i = i2b_PrivateKey_bio(out, pk);
        }
        EVP_PKEY_free(pk);
#endif
    } else {
        BIO_printf(bio_err, "bad output format specified for outfile\n");
        goto end;
    }
    if (i <= 0) {
        BIO_printf(bio_err, "unable to write key\n");
        ERR_print_errors(bio_err);
    } else {
        ret = 0;
    }
 end:
    release_engine(e);
    BIO_free_all(out);
    EVP_PKEY_free(pkey);
    RSA_free(rsa);
    OPENSSL_free(passin);
    OPENSSL_free(passout);
    return ret;
}
Commit	Line	Data
846e33c7	1	/*
33388b44	2	* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	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
7e1b7485	8	*/
d02b48c6	9
3eeaab4b	10	#include <openssl/opensslconf.h>
effaf4de	11
1ae56f2f RS	12	#include <stdio.h>
	13	#include <stdlib.h>
	14	#include <string.h>
	15	#include <time.h>
	16	#include "apps.h"
	17	#include "progs.h"
	18	#include <openssl/bio.h>
	19	#include <openssl/err.h>
	20	#include <openssl/rsa.h>
	21	#include <openssl/evp.h>
	22	#include <openssl/x509.h>
	23	#include <openssl/pem.h>
	24	#include <openssl/bn.h>
0f113f3e	25
7e1b7485 RS	26	typedef enum OPTION_choice {
	27	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
	28	OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
	29	OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN,
e7917e38 F	30	OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT,
	31	/* Do not change the order here; see case statements below */
	32	OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
6bd4e3f2	33	OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER,
10203a34	34	OPT_PROV_ENUM, OPT_TRADITIONAL
7e1b7485 RS	35	} OPTION_CHOICE;
7e1b7485 RS	36
44c83ebd	37	const OPTIONS rsa_options[] = {
5388f986	38	OPT_SECTION("General"),
7e1b7485	39	{"help", OPT_HELP, '-', "Display this summary"},
5388f986 RS	40	{"check", OPT_CHECK, '-', "Verify key consistency"},
5388f986 RS	41	{"", OPT_CIPHER, '-', "Any supported cipher"},
1ae56f2f	42	#ifndef OPENSSL_NO_ENGINE
5388f986	43	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
1ae56f2f	44	#endif
5388f986 RS	45
5388f986 RS	46	OPT_SECTION("Input"),
dd958974	47	{"in", OPT_IN, 's', "Input file"},
6d382c74	48	{"inform", OPT_INFORM, 'f', "Input format (DER/PEM/P12/ENGINE"},
7e1b7485	49	{"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
bc2f5803	50	{"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"},
5388f986 RS	51	{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
	52
	53	OPT_SECTION("Output"),
	54	{"out", OPT_OUT, '>', "Output file"},
	55	{"outform", OPT_OUTFORM, 'f', "Output format, one of DER PEM PVK"},
	56	{"pubout", OPT_PUBOUT, '-', "Output a public key"},
bc2f5803	57	{"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"},
5388f986	58	{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
7e1b7485 RS	59	{"noout", OPT_NOOUT, '-', "Don't print key out"},
	60	{"text", OPT_TEXT, '-', "Print the key in text"},
	61	{"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
10203a34 KR	62	{"traditional", OPT_TRADITIONAL, '-',
10203a34 KR	63	"Use traditional format for private keys"},
5388f986	64
1ae56f2f	65	#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
5388f986	66	OPT_SECTION("PVK"),
e7917e38 F	67	{"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"},
	68	{"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"},
	69	{"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"},
2edb571b	70	#endif
6bd4e3f2 P	71
6bd4e3f2 P	72	OPT_PROV_OPTIONS,
7e1b7485 RS	73	{NULL}
7e1b7485 RS	74	};
667ac4ec	75
7e1b7485	76	int rsa_main(int argc, char **argv)
0f113f3e MC	77	{
0f113f3e MC	78	ENGINE *e = NULL;
7e1b7485	79	BIO *out = NULL;
0f113f3e	80	RSA *rsa = NULL;
54affb77 P	81	EVP_PKEY *pkey = NULL;
54affb77 P	82	EVP_PKEY_CTX *pctx;
0f113f3e	83	const EVP_CIPHER *enc = NULL;
333b070e	84	char infile = NULL, outfile = NULL, *prog;
7e1b7485	85	char passin = NULL, passout = NULL, passinarg = NULL, passoutarg = NULL;
3b061a00	86	int i, private = 0;
7e1b7485	87	int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0;
83ae8124	88	int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1;
1ae56f2f	89	#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
83ae8124	90	int pvk_encr = 2;
1ae56f2f	91	#endif
7e1b7485	92	OPTION_CHOICE o;
10203a34	93	int traditional = 0;
7e1b7485 RS	94
	95	prog = opt_init(argc, argv, rsa_options);
	96	while ((o = opt_next()) != OPT_EOF) {
	97	switch (o) {
	98	case OPT_EOF:
	99	case OPT_ERR:
7e1b7485 RS	100	opthelp:
	101	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	102	goto end;
	103	case OPT_HELP:
	104	opt_help(rsa_options);
	105	ret = 0;
	106	goto end;
	107	case OPT_INFORM:
	108	if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
	109	goto opthelp;
	110	break;
	111	case OPT_IN:
	112	infile = opt_arg();
	113	break;
	114	case OPT_OUTFORM:
	115	if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
	116	goto opthelp;
	117	break;
	118	case OPT_OUT:
	119	outfile = opt_arg();
	120	break;
	121	case OPT_PASSIN:
	122	passinarg = opt_arg();
	123	break;
	124	case OPT_PASSOUT:
	125	passoutarg = opt_arg();
	126	break;
	127	case OPT_ENGINE:
333b070e	128	e = setup_engine(opt_arg(), 0);
7e1b7485 RS	129	break;
7e1b7485 RS	130	case OPT_PUBIN:
0f113f3e	131	pubin = 1;
7e1b7485 RS	132	break;
7e1b7485 RS	133	case OPT_PUBOUT:
0f113f3e	134	pubout = 1;
7e1b7485 RS	135	break;
7e1b7485 RS	136	case OPT_RSAPUBKEY_IN:
0f113f3e	137	pubin = 2;
7e1b7485 RS	138	break;
7e1b7485 RS	139	case OPT_RSAPUBKEY_OUT:
0f113f3e	140	pubout = 2;
7e1b7485	141	break;
e7917e38 F	142	case OPT_PVK_STRONG: /* pvk_encr:= 2 */
	143	case OPT_PVK_WEAK: /* pvk_encr:= 1 */
	144	case OPT_PVK_NONE: /* pvk_encr:= 0 */
1ae56f2f	145	#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
e7917e38	146	pvk_encr = (o - OPT_PVK_NONE);
1ae56f2f	147	#endif
e7917e38	148	break;
7e1b7485	149	case OPT_NOOUT:
0f113f3e	150	noout = 1;
7e1b7485 RS	151	break;
7e1b7485 RS	152	case OPT_TEXT:
0f113f3e	153	text = 1;
7e1b7485 RS	154	break;
7e1b7485 RS	155	case OPT_MODULUS:
0f113f3e	156	modulus = 1;
7e1b7485 RS	157	break;
7e1b7485 RS	158	case OPT_CHECK:
0f113f3e	159	check = 1;
7e1b7485 RS	160	break;
	161	case OPT_CIPHER:
	162	if (!opt_cipher(opt_unknown(), &enc))
	163	goto opthelp;
0f113f3e	164	break;
6bd4e3f2 P	165	case OPT_PROV_CASES:
	166	if (!opt_provider(o))
	167	goto end;
	168	break;
10203a34 KR	169	case OPT_TRADITIONAL:
	170	traditional = 1;
	171	break;
0f113f3e	172	}
0f113f3e	173	}
7e1b7485	174	argc = opt_num_rest();
03358517 KR	175	if (argc != 0)
	176	goto opthelp;
	177
7eff6aa0	178	private = (text && !pubin) \|\| (!pubout && !noout) ? 1 : 0;
0f113f3e	179
7e1b7485	180	if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
0f113f3e MC	181	BIO_printf(bio_err, "Error getting passwords\n");
	182	goto end;
	183	}
0f113f3e MC	184	if (check && pubin) {
	185	BIO_printf(bio_err, "Only private keys can be checked\n");
	186	goto end;
	187	}
	188
54affb77 P	189	if (pubin) {
54affb77 P	190	int tmpformat = -1;
0f113f3e	191
54affb77 P	192	if (pubin == 2) {
	193	if (informat == FORMAT_PEM)
	194	tmpformat = FORMAT_PEMRSA;
	195	else if (informat == FORMAT_ASN1)
	196	tmpformat = FORMAT_ASN1RSA;
2234212c	197	} else {
54affb77	198	tmpformat = informat;
2234212c	199	}
0f113f3e	200
50eb2a50	201	pkey = load_pubkey(infile, tmpformat, 1, passin, e, "public key");
54affb77	202	} else {
50eb2a50	203	pkey = load_key(infile, informat, 1, passin, e, "private key");
0f113f3e MC	204	}
0f113f3e MC	205
54affb77 P	206	if (pkey != NULL)
	207	rsa = EVP_PKEY_get1_RSA(pkey);
	208
0f113f3e MC	209	if (rsa == NULL) {
	210	ERR_print_errors(bio_err);
	211	goto end;
	212	}
	213
bdd58d98	214	out = bio_open_owner(outfile, outformat, private);
7e1b7485 RS	215	if (out == NULL)
7e1b7485 RS	216	goto end;
0f113f3e	217
3b061a00	218	if (text) {
7eff6aa0	219	assert(pubin \|\| private);
54affb77 P	220	if ((pubin && EVP_PKEY_print_public(out, pkey, 0, NULL) <= 0)
54affb77 P	221	\|\| (!pubin && EVP_PKEY_print_private(out, pkey, 0, NULL) <= 0)) {
0f113f3e MC	222	perror(outfile);
	223	ERR_print_errors(bio_err);
	224	goto end;
	225	}
3b061a00	226	}
0f113f3e MC	227
0f113f3e MC	228	if (modulus) {
2ac6115d	229	const BIGNUM *n;
9862e9aa	230	RSA_get0_key(rsa, &n, NULL, NULL);
0f113f3e	231	BIO_printf(out, "Modulus=");
9862e9aa	232	BN_print(out, n);
0f113f3e MC	233	BIO_printf(out, "\n");
	234	}
	235
	236	if (check) {
54affb77 P	237	int r;
	238
	239	pctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL);
	240	if (pctx == NULL) {
	241	BIO_printf(out, "RSA unable to create PKEY context\n");
	242	ERR_print_errors(bio_err);
	243	goto end;
	244	}
	245	r = EVP_PKEY_check(pctx);
	246	EVP_PKEY_CTX_free(pctx);
0f113f3e	247
2234212c	248	if (r == 1) {
0f113f3e	249	BIO_printf(out, "RSA key ok\n");
2234212c	250	} else if (r == 0) {
0f113f3e MC	251	unsigned long err;
	252
	253	while ((err = ERR_peek_error()) != 0 &&
	254	ERR_GET_LIB(err) == ERR_LIB_RSA &&
0f113f3e MC	255	ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) {
	256	BIO_printf(out, "RSA key error: %s\n",
	257	ERR_reason_error_string(err));
67d4fee8	258	ERR_get_error(); /* remove err from error stack */
0f113f3e	259	}
63db6b77	260	} else if (r == -1) {
0f113f3e MC	261	ERR_print_errors(bio_err);
	262	goto end;
	263	}
	264	}
	265
	266	if (noout) {
	267	ret = 0;
	268	goto end;
	269	}
	270	BIO_printf(bio_err, "writing RSA key\n");
	271	if (outformat == FORMAT_ASN1) {
	272	if (pubout \|\| pubin) {
	273	if (pubout == 2)
	274	i = i2d_RSAPublicKey_bio(out, rsa);
	275	else
	276	i = i2d_RSA_PUBKEY_bio(out, rsa);
3b061a00 RS	277	} else {
3b061a00 RS	278	assert(private);
0f113f3e	279	i = i2d_RSAPrivateKey_bio(out, rsa);
3b061a00	280	}
2234212c	281	} else if (outformat == FORMAT_PEM) {
0f113f3e MC	282	if (pubout \|\| pubin) {
	283	if (pubout == 2)
	284	i = PEM_write_bio_RSAPublicKey(out, rsa);
	285	else
	286	i = PEM_write_bio_RSA_PUBKEY(out, rsa);
3b061a00 RS	287	} else {
3b061a00 RS	288	assert(private);
10203a34 KR	289	if (traditional) {
	290	i = PEM_write_bio_PrivateKey_traditional(out, pkey, enc, NULL, 0,
	291	NULL, passout);
	292	} else {
	293	i = PEM_write_bio_PrivateKey(out, pkey,
	294	enc, NULL, 0, NULL, passout);
	295	}
3b061a00	296	}
1ae56f2f	297	#ifndef OPENSSL_NO_DSA
0f113f3e MC	298	} else if (outformat == FORMAT_MSBLOB \|\| outformat == FORMAT_PVK) {
	299	EVP_PKEY *pk;
	300	pk = EVP_PKEY_new();
d896b79b MA	301	if (pk == NULL)
	302	goto end;
	303
0f113f3e	304	EVP_PKEY_set1_RSA(pk, rsa);
7eff6aa0 VD	305	if (outformat == FORMAT_PVK) {
	306	if (pubin) {
	307	BIO_printf(bio_err, "PVK form impossible with public key input\n");
	308	EVP_PKEY_free(pk);
	309	goto end;
	310	}
	311	assert(private);
1ae56f2f	312	# ifdef OPENSSL_NO_RC4
b6c68982 DSH	313	BIO_printf(bio_err, "PVK format not supported\n");
	314	EVP_PKEY_free(pk);
	315	goto end;
1ae56f2f	316	# else
0f113f3e	317	i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
1ae56f2f	318	# endif
7eff6aa0	319	} else if (pubin \|\| pubout) {
0f113f3e	320	i = i2b_PublicKey_bio(out, pk);
7eff6aa0	321	} else {
3b061a00	322	assert(private);
0f113f3e	323	i = i2b_PrivateKey_bio(out, pk);
3b061a00	324	}
0f113f3e	325	EVP_PKEY_free(pk);
1ae56f2f	326	#endif
0f113f3e MC	327	} else {
	328	BIO_printf(bio_err, "bad output format specified for outfile\n");
	329	goto end;
	330	}
	331	if (i <= 0) {
	332	BIO_printf(bio_err, "unable to write key\n");
	333	ERR_print_errors(bio_err);
2234212c	334	} else {
0f113f3e	335	ret = 0;
2234212c	336	}
0f113f3e	337	end:
dd1abd44	338	release_engine(e);
ca3a82c3	339	BIO_free_all(out);
54affb77	340	EVP_PKEY_free(pkey);
d6407083	341	RSA_free(rsa);
b548a1f1 RS	342	OPENSSL_free(passin);
b548a1f1 RS	343	OPENSSL_free(passout);
26a7d938	344	return ret;
0f113f3e	345	}