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

/*
 * Copyright 2000-2017 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_RSA
NON_EMPTY_TRANSLATION_UNIT
#else

# include "apps.h"
# include <string.h>
# include <openssl/err.h>
# include <openssl/pem.h>
# include <openssl/rsa.h>

# define RSA_SIGN        1
# define RSA_VERIFY      2
# define RSA_ENCRYPT     3
# define RSA_DECRYPT     4

# define KEY_PRIVKEY     1
# define KEY_PUBKEY      2
# define KEY_CERT        3

typedef enum OPTION_choice {
    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
    OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP,
    OPT_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931,
    OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
    OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM,
    OPT_R_ENUM
} OPTION_CHOICE;

const OPTIONS rsautl_options[] = {
    {"help", OPT_HELP, '-', "Display this summary"},
    {"in", OPT_IN, '<', "Input file"},
    {"out", OPT_OUT, '>', "Output file"},
    {"inkey", OPT_INKEY, 's', "Input key"},
    {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
    {"pubin", OPT_PUBIN, '-', "Input is an RSA public"},
    {"certin", OPT_CERTIN, '-', "Input is a cert carrying an RSA public key"},
    {"ssl", OPT_SSL, '-', "Use SSL v2 padding"},
    {"raw", OPT_RAW, '-', "Use no padding"},
    {"pkcs", OPT_PKCS, '-', "Use PKCS#1 v1.5 padding (default)"},
    {"oaep", OPT_OAEP, '-', "Use PKCS#1 OAEP"},
    {"sign", OPT_SIGN, '-', "Sign with private key"},
    {"verify", OPT_VERIFY, '-', "Verify with public key"},
    {"asn1parse", OPT_ASN1PARSE, '-',
     "Run output through asn1parse; useful with -verify"},
    {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"},
    {"x931", OPT_X931, '-', "Use ANSI X9.31 padding"},
    {"rev", OPT_REV, '-', "Reverse the order of the input buffer"},
    {"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"},
    {"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"},
    {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
    OPT_R_OPTIONS,
# ifndef OPENSSL_NO_ENGINE
    {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
# endif
    {NULL}
};

int rsautl_main(int argc, char **argv)
{
    BIO *in = NULL, *out = NULL;
    ENGINE *e = NULL;
    EVP_PKEY *pkey = NULL;
    RSA *rsa = NULL;
    X509 *x;
    char *infile = NULL, *outfile = NULL, *keyfile = NULL;
    char *passinarg = NULL, *passin = NULL, *prog;
    char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
    unsigned char *rsa_in = NULL, *rsa_out = NULL, pad = RSA_PKCS1_PADDING;
    int rsa_inlen, keyformat = FORMAT_PEM, keysize, ret = 1;
    int rsa_outlen = 0, hexdump = 0, asn1parse = 0, need_priv = 0, rev = 0;
    OPTION_CHOICE o;

    prog = opt_init(argc, argv, rsautl_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(rsautl_options);
            ret = 0;
            goto end;
        case OPT_KEYFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyformat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_ENGINE:
            e = setup_engine(opt_arg(), 0);
            break;
        case OPT_ASN1PARSE:
            asn1parse = 1;
            break;
        case OPT_HEXDUMP:
            hexdump = 1;
            break;
        case OPT_RAW:
            pad = RSA_NO_PADDING;
            break;
        case OPT_OAEP:
            pad = RSA_PKCS1_OAEP_PADDING;
            break;
        case OPT_SSL:
            pad = RSA_SSLV23_PADDING;
            break;
        case OPT_PKCS:
            pad = RSA_PKCS1_PADDING;
            break;
        case OPT_X931:
            pad = RSA_X931_PADDING;
            break;
        case OPT_SIGN:
            rsa_mode = RSA_SIGN;
            need_priv = 1;
            break;
        case OPT_VERIFY:
            rsa_mode = RSA_VERIFY;
            break;
        case OPT_REV:
            rev = 1;
            break;
        case OPT_ENCRYPT:
            rsa_mode = RSA_ENCRYPT;
            break;
        case OPT_DECRYPT:
            rsa_mode = RSA_DECRYPT;
            need_priv = 1;
            break;
        case OPT_PUBIN:
            key_type = KEY_PUBKEY;
            break;
        case OPT_CERTIN:
            key_type = KEY_CERT;
            break;
        case OPT_INKEY:
            keyfile = opt_arg();
            break;
        case OPT_PASSIN:
            passinarg = opt_arg();
            break;
        case OPT_R_CASES:
            if (!opt_rand(o))
                goto end;
            break;
        }
    }
    argc = opt_num_rest();
    if (argc != 0)
        goto opthelp;

    if (need_priv && (key_type != KEY_PRIVKEY)) {
        BIO_printf(bio_err, "A private key is needed for this operation\n");
        goto end;
    }

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

    switch (key_type) {
    case KEY_PRIVKEY:
        pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key");
        break;

    case KEY_PUBKEY:
        pkey = load_pubkey(keyfile, keyformat, 0, NULL, e, "Public Key");
        break;

    case KEY_CERT:
        x = load_cert(keyfile, keyformat, "Certificate");
        if (x) {
            pkey = X509_get_pubkey(x);
            X509_free(x);
        }
        break;
    }

    if (pkey == NULL)
        return 1;

    rsa = EVP_PKEY_get1_RSA(pkey);
    EVP_PKEY_free(pkey);

    if (rsa == NULL) {
        BIO_printf(bio_err, "Error getting RSA key\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    in = bio_open_default(infile, 'r', FORMAT_BINARY);
    if (in == NULL)
        goto end;
    out = bio_open_default(outfile, 'w', FORMAT_BINARY);
    if (out == NULL)
        goto end;

    keysize = RSA_size(rsa);

    rsa_in = app_malloc(keysize * 2, "hold rsa key");
    rsa_out = app_malloc(keysize, "output rsa key");

    /* Read the input data */
    rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
    if (rsa_inlen < 0) {
        BIO_printf(bio_err, "Error reading input Data\n");
        goto end;
    }
    if (rev) {
        int i;
        unsigned char ctmp;
        for (i = 0; i < rsa_inlen / 2; i++) {
            ctmp = rsa_in[i];
            rsa_in[i] = rsa_in[rsa_inlen - 1 - i];
            rsa_in[rsa_inlen - 1 - i] = ctmp;
        }
    }
    switch (rsa_mode) {

    case RSA_VERIFY:
        rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
        break;

    case RSA_SIGN:
        rsa_outlen =
            RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
        break;

    case RSA_ENCRYPT:
        rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
        break;

    case RSA_DECRYPT:
        rsa_outlen =
            RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
        break;
    }

    if (rsa_outlen < 0) {
        BIO_printf(bio_err, "RSA operation error\n");
        ERR_print_errors(bio_err);
        goto end;
    }
    ret = 0;
    if (asn1parse) {
        if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
            ERR_print_errors(bio_err);
        }
    } else if (hexdump) {
        BIO_dump(out, (char *)rsa_out, rsa_outlen);
    } else {
        BIO_write(out, rsa_out, rsa_outlen);
    }
 end:
    RSA_free(rsa);
    release_engine(e);
    BIO_free(in);
    BIO_free_all(out);
    OPENSSL_free(rsa_in);
    OPENSSL_free(rsa_out);
    OPENSSL_free(passin);
    return ret;
}
#endif
Commit	Line	Data
0f113f3e	1	/*
2234212c	2	* Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.
bd08a2bd	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
bd08a2bd	8	*/
28967cf0	9
3eeaab4b	10	#include <openssl/opensslconf.h>
effaf4de RS	11	#ifdef OPENSSL_NO_RSA
	12	NON_EMPTY_TRANSLATION_UNIT
	13	#else
28967cf0	14
0f113f3e MC	15	# include "apps.h"
	16	# include <string.h>
	17	# include <openssl/err.h>
	18	# include <openssl/pem.h>
	19	# include <openssl/rsa.h>
bd08a2bd	20
0f113f3e MC	21	# define RSA_SIGN 1
	22	# define RSA_VERIFY 2
	23	# define RSA_ENCRYPT 3
	24	# define RSA_DECRYPT 4
bd08a2bd	25
0f113f3e MC	26	# define KEY_PRIVKEY 1
	27	# define KEY_PUBKEY 2
	28	# define KEY_CERT 3
bd08a2bd	29
7e1b7485 RS	30	typedef enum OPTION_choice {
	31	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
	32	OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP,
	33	OPT_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931,
	34	OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
3ee1eac2 RS	35	OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM,
3ee1eac2 RS	36	OPT_R_ENUM
7e1b7485 RS	37	} OPTION_CHOICE;
7e1b7485 RS	38
44c83ebd	39	const OPTIONS rsautl_options[] = {
7e1b7485 RS	40	{"help", OPT_HELP, '-', "Display this summary"},
	41	{"in", OPT_IN, '<', "Input file"},
	42	{"out", OPT_OUT, '>', "Output file"},
dd958974	43	{"inkey", OPT_INKEY, 's', "Input key"},
0c20802c	44	{"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
7e1b7485 RS	45	{"pubin", OPT_PUBIN, '-', "Input is an RSA public"},
	46	{"certin", OPT_CERTIN, '-', "Input is a cert carrying an RSA public key"},
	47	{"ssl", OPT_SSL, '-', "Use SSL v2 padding"},
	48	{"raw", OPT_RAW, '-', "Use no padding"},
	49	{"pkcs", OPT_PKCS, '-', "Use PKCS#1 v1.5 padding (default)"},
	50	{"oaep", OPT_OAEP, '-', "Use PKCS#1 OAEP"},
	51	{"sign", OPT_SIGN, '-', "Sign with private key"},
	52	{"verify", OPT_VERIFY, '-', "Verify with public key"},
9a13bb38 RS	53	{"asn1parse", OPT_ASN1PARSE, '-',
9a13bb38 RS	54	"Run output through asn1parse; useful with -verify"},
7e1b7485 RS	55	{"hexdump", OPT_HEXDUMP, '-', "Hex dump output"},
7e1b7485 RS	56	{"x931", OPT_X931, '-', "Use ANSI X9.31 padding"},
9a13bb38	57	{"rev", OPT_REV, '-', "Reverse the order of the input buffer"},
7e1b7485 RS	58	{"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"},
7e1b7485 RS	59	{"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"},
16e1b281	60	{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
3ee1eac2	61	OPT_R_OPTIONS,
7e1b7485 RS	62	# ifndef OPENSSL_NO_ENGINE
	63	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
	64	# endif
	65	{NULL}
	66	};
bd08a2bd	67
7e1b7485	68	int rsautl_main(int argc, char **argv)
bd08a2bd	69	{
0f113f3e	70	BIO in = NULL, out = NULL;
7e1b7485	71	ENGINE *e = NULL;
0f113f3e MC	72	EVP_PKEY *pkey = NULL;
0f113f3e MC	73	RSA *rsa = NULL;
7e1b7485	74	X509 *x;
333b070e	75	char infile = NULL, outfile = NULL, *keyfile = NULL;
7e1b7485 RS	76	char passinarg = NULL, passin = NULL, *prog;
	77	char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
	78	unsigned char rsa_in = NULL, rsa_out = NULL, pad = RSA_PKCS1_PADDING;
	79	int rsa_inlen, keyformat = FORMAT_PEM, keysize, ret = 1;
	80	int rsa_outlen = 0, hexdump = 0, asn1parse = 0, need_priv = 0, rev = 0;
	81	OPTION_CHOICE o;
	82
	83	prog = opt_init(argc, argv, rsautl_options);
	84	while ((o = opt_next()) != OPT_EOF) {
	85	switch (o) {
	86	case OPT_EOF:
	87	case OPT_ERR:
	88	opthelp:
	89	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	90	goto end;
	91	case OPT_HELP:
	92	opt_help(rsautl_options);
	93	ret = 0;
	94	goto end;
	95	case OPT_KEYFORM:
0c20802c	96	if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyformat))
7e1b7485 RS	97	goto opthelp;
	98	break;
	99	case OPT_IN:
	100	infile = opt_arg();
	101	break;
	102	case OPT_OUT:
	103	outfile = opt_arg();
	104	break;
	105	case OPT_ENGINE:
333b070e	106	e = setup_engine(opt_arg(), 0);
7e1b7485 RS	107	break;
7e1b7485 RS	108	case OPT_ASN1PARSE:
0f113f3e	109	asn1parse = 1;
7e1b7485 RS	110	break;
7e1b7485 RS	111	case OPT_HEXDUMP:
0f113f3e	112	hexdump = 1;
7e1b7485 RS	113	break;
7e1b7485 RS	114	case OPT_RAW:
0f113f3e	115	pad = RSA_NO_PADDING;
7e1b7485 RS	116	break;
7e1b7485 RS	117	case OPT_OAEP:
0f113f3e	118	pad = RSA_PKCS1_OAEP_PADDING;
7e1b7485 RS	119	break;
7e1b7485 RS	120	case OPT_SSL:
0f113f3e	121	pad = RSA_SSLV23_PADDING;
7e1b7485 RS	122	break;
7e1b7485 RS	123	case OPT_PKCS:
0f113f3e	124	pad = RSA_PKCS1_PADDING;
7e1b7485 RS	125	break;
7e1b7485 RS	126	case OPT_X931:
0f113f3e	127	pad = RSA_X931_PADDING;
7e1b7485 RS	128	break;
7e1b7485 RS	129	case OPT_SIGN:
0f113f3e MC	130	rsa_mode = RSA_SIGN;
0f113f3e MC	131	need_priv = 1;
7e1b7485 RS	132	break;
7e1b7485 RS	133	case OPT_VERIFY:
0f113f3e	134	rsa_mode = RSA_VERIFY;
7e1b7485 RS	135	break;
7e1b7485 RS	136	case OPT_REV:
0f113f3e	137	rev = 1;
7e1b7485 RS	138	break;
7e1b7485 RS	139	case OPT_ENCRYPT:
0f113f3e	140	rsa_mode = RSA_ENCRYPT;
7e1b7485 RS	141	break;
7e1b7485 RS	142	case OPT_DECRYPT:
0f113f3e MC	143	rsa_mode = RSA_DECRYPT;
0f113f3e MC	144	need_priv = 1;
7e1b7485 RS	145	break;
	146	case OPT_PUBIN:
	147	key_type = KEY_PUBKEY;
	148	break;
	149	case OPT_CERTIN:
	150	key_type = KEY_CERT;
	151	break;
	152	case OPT_INKEY:
	153	keyfile = opt_arg();
	154	break;
	155	case OPT_PASSIN:
	156	passinarg = opt_arg();
	157	break;
3ee1eac2 RS	158	case OPT_R_CASES:
	159	if (!opt_rand(o))
	160	goto end;
	161	break;
0f113f3e	162	}
0f113f3e	163	}
7e1b7485	164	argc = opt_num_rest();
03358517 KR	165	if (argc != 0)
03358517 KR	166	goto opthelp;
0f113f3e MC	167
	168	if (need_priv && (key_type != KEY_PRIVKEY)) {
	169	BIO_printf(bio_err, "A private key is needed for this operation\n");
	170	goto end;
	171	}
333b070e	172
7e1b7485	173	if (!app_passwd(passinarg, NULL, &passin, NULL)) {
0f113f3e MC	174	BIO_printf(bio_err, "Error getting password\n");
	175	goto end;
	176	}
32d862ed	177
0f113f3e MC	178	switch (key_type) {
0f113f3e MC	179	case KEY_PRIVKEY:
7e1b7485	180	pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key");
0f113f3e MC	181	break;
	182
	183	case KEY_PUBKEY:
7e1b7485	184	pkey = load_pubkey(keyfile, keyformat, 0, NULL, e, "Public Key");
0f113f3e MC	185	break;
	186
	187	case KEY_CERT:
a773b52a	188	x = load_cert(keyfile, keyformat, "Certificate");
0f113f3e MC	189	if (x) {
	190	pkey = X509_get_pubkey(x);
	191	X509_free(x);
	192	}
	193	break;
	194	}
	195
2234212c	196	if (pkey == NULL)
0f113f3e	197	return 1;
0f113f3e MC	198
	199	rsa = EVP_PKEY_get1_RSA(pkey);
	200	EVP_PKEY_free(pkey);
	201
2234212c	202	if (rsa == NULL) {
0f113f3e MC	203	BIO_printf(bio_err, "Error getting RSA key\n");
	204	ERR_print_errors(bio_err);
	205	goto end;
	206	}
	207
bdd58d98	208	in = bio_open_default(infile, 'r', FORMAT_BINARY);
7e1b7485 RS	209	if (in == NULL)
7e1b7485 RS	210	goto end;
bdd58d98	211	out = bio_open_default(outfile, 'w', FORMAT_BINARY);
7e1b7485 RS	212	if (out == NULL)
7e1b7485 RS	213	goto end;
0f113f3e MC	214
	215	keysize = RSA_size(rsa);
	216
68dc6824 RS	217	rsa_in = app_malloc(keysize * 2, "hold rsa key");
68dc6824 RS	218	rsa_out = app_malloc(keysize, "output rsa key");
0f113f3e MC	219
	220	/* Read the input data */
	221	rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
0c20802c	222	if (rsa_inlen < 0) {
0f113f3e	223	BIO_printf(bio_err, "Error reading input Data\n");
7e1b7485	224	goto end;
0f113f3e MC	225	}
	226	if (rev) {
	227	int i;
	228	unsigned char ctmp;
	229	for (i = 0; i < rsa_inlen / 2; i++) {
	230	ctmp = rsa_in[i];
	231	rsa_in[i] = rsa_in[rsa_inlen - 1 - i];
	232	rsa_in[rsa_inlen - 1 - i] = ctmp;
	233	}
	234	}
	235	switch (rsa_mode) {
	236
	237	case RSA_VERIFY:
	238	rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	239	break;
	240
	241	case RSA_SIGN:
	242	rsa_outlen =
	243	RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	244	break;
	245
	246	case RSA_ENCRYPT:
	247	rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	248	break;
	249
	250	case RSA_DECRYPT:
	251	rsa_outlen =
	252	RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	253	break;
0f113f3e MC	254	}
0f113f3e MC	255
0c20802c	256	if (rsa_outlen < 0) {
0f113f3e MC	257	BIO_printf(bio_err, "RSA operation error\n");
	258	ERR_print_errors(bio_err);
	259	goto end;
	260	}
	261	ret = 0;
	262	if (asn1parse) {
	263	if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
	264	ERR_print_errors(bio_err);
	265	}
2234212c	266	} else if (hexdump) {
0f113f3e	267	BIO_dump(out, (char *)rsa_out, rsa_outlen);
2234212c	268	} else {
0f113f3e	269	BIO_write(out, rsa_out, rsa_outlen);
2234212c	270	}
0f113f3e MC	271	end:
0f113f3e MC	272	RSA_free(rsa);
dd1abd44	273	release_engine(e);
0f113f3e MC	274	BIO_free(in);
0f113f3e MC	275	BIO_free_all(out);
b548a1f1 RS	276	OPENSSL_free(rsa_in);
	277	OPENSSL_free(rsa_out);
	278	OPENSSL_free(passin);
0f113f3e	279	return ret;
bd08a2bd	280	}
28967cf0	281	#endif