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

/*
 * Copyright 2000-2018 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_RSA
NON_EMPTY_TRANSLATION_UNIT
#else

# include "apps.h"
# include "progs.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_RSA_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_RSA_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_RSA_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	/*
6738bf14	2	* Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
bd08a2bd	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
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	15	# include "apps.h"
dab2cd68	16	# include "progs.h"
0f113f3e MC	17	# include <string.h>
	18	# include <openssl/err.h>
	19	# include <openssl/pem.h>
	20	# include <openssl/rsa.h>
bd08a2bd	21
0f113f3e MC	22	# define RSA_SIGN 1
	23	# define RSA_VERIFY 2
	24	# define RSA_ENCRYPT 3
	25	# define RSA_DECRYPT 4
bd08a2bd	26
0f113f3e MC	27	# define KEY_PRIVKEY 1
	28	# define KEY_PUBKEY 2
	29	# define KEY_CERT 3
bd08a2bd	30
7e1b7485 RS	31	typedef enum OPTION_choice {
	32	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
	33	OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP,
61783db5	34	OPT_RSA_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931,
7e1b7485	35	OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
3ee1eac2 RS	36	OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM,
3ee1eac2 RS	37	OPT_R_ENUM
7e1b7485 RS	38	} OPTION_CHOICE;
7e1b7485 RS	39
44c83ebd	40	const OPTIONS rsautl_options[] = {
7e1b7485 RS	41	{"help", OPT_HELP, '-', "Display this summary"},
	42	{"in", OPT_IN, '<', "Input file"},
	43	{"out", OPT_OUT, '>', "Output file"},
dd958974	44	{"inkey", OPT_INKEY, 's', "Input key"},
0c20802c	45	{"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
7e1b7485 RS	46	{"pubin", OPT_PUBIN, '-', "Input is an RSA public"},
	47	{"certin", OPT_CERTIN, '-', "Input is a cert carrying an RSA public key"},
	48	{"ssl", OPT_SSL, '-', "Use SSL v2 padding"},
61783db5	49	{"raw", OPT_RSA_RAW, '-', "Use no padding"},
7e1b7485 RS	50	{"pkcs", OPT_PKCS, '-', "Use PKCS#1 v1.5 padding (default)"},
	51	{"oaep", OPT_OAEP, '-', "Use PKCS#1 OAEP"},
	52	{"sign", OPT_SIGN, '-', "Sign with private key"},
	53	{"verify", OPT_VERIFY, '-', "Verify with public key"},
9a13bb38 RS	54	{"asn1parse", OPT_ASN1PARSE, '-',
9a13bb38 RS	55	"Run output through asn1parse; useful with -verify"},
7e1b7485 RS	56	{"hexdump", OPT_HEXDUMP, '-', "Hex dump output"},
7e1b7485 RS	57	{"x931", OPT_X931, '-', "Use ANSI X9.31 padding"},
9a13bb38	58	{"rev", OPT_REV, '-', "Reverse the order of the input buffer"},
7e1b7485 RS	59	{"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"},
7e1b7485 RS	60	{"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"},
16e1b281	61	{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
3ee1eac2	62	OPT_R_OPTIONS,
7e1b7485 RS	63	# ifndef OPENSSL_NO_ENGINE
	64	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
	65	# endif
	66	{NULL}
	67	};
bd08a2bd	68
7e1b7485	69	int rsautl_main(int argc, char **argv)
bd08a2bd	70	{
0f113f3e	71	BIO in = NULL, out = NULL;
7e1b7485	72	ENGINE *e = NULL;
0f113f3e MC	73	EVP_PKEY *pkey = NULL;
0f113f3e MC	74	RSA *rsa = NULL;
7e1b7485	75	X509 *x;
333b070e	76	char infile = NULL, outfile = NULL, *keyfile = NULL;
7e1b7485 RS	77	char passinarg = NULL, passin = NULL, *prog;
	78	char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
	79	unsigned char rsa_in = NULL, rsa_out = NULL, pad = RSA_PKCS1_PADDING;
	80	int rsa_inlen, keyformat = FORMAT_PEM, keysize, ret = 1;
	81	int rsa_outlen = 0, hexdump = 0, asn1parse = 0, need_priv = 0, rev = 0;
	82	OPTION_CHOICE o;
	83
	84	prog = opt_init(argc, argv, rsautl_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(rsautl_options);
	94	ret = 0;
	95	goto end;
	96	case OPT_KEYFORM:
0c20802c	97	if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyformat))
7e1b7485 RS	98	goto opthelp;
	99	break;
	100	case OPT_IN:
	101	infile = opt_arg();
	102	break;
	103	case OPT_OUT:
	104	outfile = opt_arg();
	105	break;
	106	case OPT_ENGINE:
333b070e	107	e = setup_engine(opt_arg(), 0);
7e1b7485 RS	108	break;
7e1b7485 RS	109	case OPT_ASN1PARSE:
0f113f3e	110	asn1parse = 1;
7e1b7485 RS	111	break;
7e1b7485 RS	112	case OPT_HEXDUMP:
0f113f3e	113	hexdump = 1;
7e1b7485	114	break;
61783db5	115	case OPT_RSA_RAW:
0f113f3e	116	pad = RSA_NO_PADDING;
7e1b7485 RS	117	break;
7e1b7485 RS	118	case OPT_OAEP:
0f113f3e	119	pad = RSA_PKCS1_OAEP_PADDING;
7e1b7485 RS	120	break;
7e1b7485 RS	121	case OPT_SSL:
0f113f3e	122	pad = RSA_SSLV23_PADDING;
7e1b7485 RS	123	break;
7e1b7485 RS	124	case OPT_PKCS:
0f113f3e	125	pad = RSA_PKCS1_PADDING;
7e1b7485 RS	126	break;
7e1b7485 RS	127	case OPT_X931:
0f113f3e	128	pad = RSA_X931_PADDING;
7e1b7485 RS	129	break;
7e1b7485 RS	130	case OPT_SIGN:
0f113f3e MC	131	rsa_mode = RSA_SIGN;
0f113f3e MC	132	need_priv = 1;
7e1b7485 RS	133	break;
7e1b7485 RS	134	case OPT_VERIFY:
0f113f3e	135	rsa_mode = RSA_VERIFY;
7e1b7485 RS	136	break;
7e1b7485 RS	137	case OPT_REV:
0f113f3e	138	rev = 1;
7e1b7485 RS	139	break;
7e1b7485 RS	140	case OPT_ENCRYPT:
0f113f3e	141	rsa_mode = RSA_ENCRYPT;
7e1b7485 RS	142	break;
7e1b7485 RS	143	case OPT_DECRYPT:
0f113f3e MC	144	rsa_mode = RSA_DECRYPT;
0f113f3e MC	145	need_priv = 1;
7e1b7485 RS	146	break;
	147	case OPT_PUBIN:
	148	key_type = KEY_PUBKEY;
	149	break;
	150	case OPT_CERTIN:
	151	key_type = KEY_CERT;
	152	break;
	153	case OPT_INKEY:
	154	keyfile = opt_arg();
	155	break;
	156	case OPT_PASSIN:
	157	passinarg = opt_arg();
	158	break;
3ee1eac2 RS	159	case OPT_R_CASES:
	160	if (!opt_rand(o))
	161	goto end;
	162	break;
0f113f3e	163	}
0f113f3e	164	}
7e1b7485	165	argc = opt_num_rest();
03358517 KR	166	if (argc != 0)
03358517 KR	167	goto opthelp;
0f113f3e MC	168
	169	if (need_priv && (key_type != KEY_PRIVKEY)) {
	170	BIO_printf(bio_err, "A private key is needed for this operation\n");
	171	goto end;
	172	}
333b070e	173
7e1b7485	174	if (!app_passwd(passinarg, NULL, &passin, NULL)) {
0f113f3e MC	175	BIO_printf(bio_err, "Error getting password\n");
	176	goto end;
	177	}
32d862ed	178
0f113f3e MC	179	switch (key_type) {
0f113f3e MC	180	case KEY_PRIVKEY:
7e1b7485	181	pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key");
0f113f3e MC	182	break;
	183
	184	case KEY_PUBKEY:
7e1b7485	185	pkey = load_pubkey(keyfile, keyformat, 0, NULL, e, "Public Key");
0f113f3e MC	186	break;
	187
	188	case KEY_CERT:
a773b52a	189	x = load_cert(keyfile, keyformat, "Certificate");
0f113f3e MC	190	if (x) {
	191	pkey = X509_get_pubkey(x);
	192	X509_free(x);
	193	}
	194	break;
	195	}
	196
2234212c	197	if (pkey == NULL)
0f113f3e	198	return 1;
0f113f3e MC	199
	200	rsa = EVP_PKEY_get1_RSA(pkey);
	201	EVP_PKEY_free(pkey);
	202
2234212c	203	if (rsa == NULL) {
0f113f3e MC	204	BIO_printf(bio_err, "Error getting RSA key\n");
	205	ERR_print_errors(bio_err);
	206	goto end;
	207	}
	208
bdd58d98	209	in = bio_open_default(infile, 'r', FORMAT_BINARY);
7e1b7485 RS	210	if (in == NULL)
7e1b7485 RS	211	goto end;
bdd58d98	212	out = bio_open_default(outfile, 'w', FORMAT_BINARY);
7e1b7485 RS	213	if (out == NULL)
7e1b7485 RS	214	goto end;
0f113f3e MC	215
	216	keysize = RSA_size(rsa);
	217
68dc6824 RS	218	rsa_in = app_malloc(keysize * 2, "hold rsa key");
68dc6824 RS	219	rsa_out = app_malloc(keysize, "output rsa key");
0f113f3e MC	220
	221	/* Read the input data */
	222	rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
0c20802c	223	if (rsa_inlen < 0) {
0f113f3e	224	BIO_printf(bio_err, "Error reading input Data\n");
7e1b7485	225	goto end;
0f113f3e MC	226	}
	227	if (rev) {
	228	int i;
	229	unsigned char ctmp;
	230	for (i = 0; i < rsa_inlen / 2; i++) {
	231	ctmp = rsa_in[i];
	232	rsa_in[i] = rsa_in[rsa_inlen - 1 - i];
	233	rsa_in[rsa_inlen - 1 - i] = ctmp;
	234	}
	235	}
	236	switch (rsa_mode) {
	237
	238	case RSA_VERIFY:
	239	rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	240	break;
	241
	242	case RSA_SIGN:
	243	rsa_outlen =
	244	RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	245	break;
	246
	247	case RSA_ENCRYPT:
	248	rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	249	break;
	250
	251	case RSA_DECRYPT:
	252	rsa_outlen =
	253	RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	254	break;
0f113f3e MC	255	}
0f113f3e MC	256
0c20802c	257	if (rsa_outlen < 0) {
0f113f3e MC	258	BIO_printf(bio_err, "RSA operation error\n");
	259	ERR_print_errors(bio_err);
	260	goto end;
	261	}
	262	ret = 0;
	263	if (asn1parse) {
	264	if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
	265	ERR_print_errors(bio_err);
	266	}
2234212c	267	} else if (hexdump) {
0f113f3e	268	BIO_dump(out, (char *)rsa_out, rsa_outlen);
2234212c	269	} else {
0f113f3e	270	BIO_write(out, rsa_out, rsa_outlen);
2234212c	271	}
0f113f3e MC	272	end:
0f113f3e MC	273	RSA_free(rsa);
dd1abd44	274	release_engine(e);
0f113f3e MC	275	BIO_free(in);
0f113f3e MC	276	BIO_free_all(out);
b548a1f1 RS	277	OPENSSL_free(rsa_in);
	278	OPENSSL_free(rsa_out);
	279	OPENSSL_free(passin);
0f113f3e	280	return ret;
bd08a2bd	281	}
28967cf0	282	#endif