440 lines
15 KiB
C
440 lines
15 KiB
C
/* apps/rsa.c */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
|
|
#include <openssl/opensslconf.h>
|
|
#ifndef OPENSSL_NO_RSA
|
|
# include <stdio.h>
|
|
# include <stdlib.h>
|
|
# include <string.h>
|
|
# include <time.h>
|
|
# include "apps.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>
|
|
|
|
# undef PROG
|
|
# define PROG rsa_main
|
|
|
|
/*-
|
|
* -inform arg - input format - default PEM (one of DER, NET or PEM)
|
|
* -outform arg - output format - default PEM
|
|
* -in arg - input file - default stdin
|
|
* -out arg - output file - default stdout
|
|
* -des - encrypt output if PEM format with DES in cbc mode
|
|
* -des3 - encrypt output if PEM format
|
|
* -idea - encrypt output if PEM format
|
|
* -seed - encrypt output if PEM format
|
|
* -aes128 - encrypt output if PEM format
|
|
* -aes192 - encrypt output if PEM format
|
|
* -aes256 - encrypt output if PEM format
|
|
* -camellia128 - encrypt output if PEM format
|
|
* -camellia192 - encrypt output if PEM format
|
|
* -camellia256 - encrypt output if PEM format
|
|
* -text - print a text version
|
|
* -modulus - print the RSA key modulus
|
|
* -check - verify key consistency
|
|
* -pubin - Expect a public key in input file.
|
|
* -pubout - Output a public key.
|
|
*/
|
|
|
|
int MAIN(int, char **);
|
|
|
|
int MAIN(int argc, char **argv)
|
|
{
|
|
ENGINE *e = NULL;
|
|
int ret = 1;
|
|
RSA *rsa = NULL;
|
|
int i, badops = 0, sgckey = 0;
|
|
const EVP_CIPHER *enc = NULL;
|
|
BIO *out = NULL;
|
|
int informat, outformat, text = 0, check = 0, noout = 0;
|
|
int pubin = 0, pubout = 0;
|
|
char *infile, *outfile, *prog;
|
|
char *passargin = NULL, *passargout = NULL;
|
|
char *passin = NULL, *passout = NULL;
|
|
# ifndef OPENSSL_NO_ENGINE
|
|
char *engine = NULL;
|
|
# endif
|
|
int modulus = 0;
|
|
|
|
int pvk_encr = 2;
|
|
|
|
apps_startup();
|
|
|
|
if (bio_err == NULL)
|
|
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
|
|
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
|
|
|
|
if (!load_config(bio_err, NULL))
|
|
goto end;
|
|
|
|
infile = NULL;
|
|
outfile = NULL;
|
|
informat = FORMAT_PEM;
|
|
outformat = FORMAT_PEM;
|
|
|
|
prog = argv[0];
|
|
argc--;
|
|
argv++;
|
|
while (argc >= 1) {
|
|
if (strcmp(*argv, "-inform") == 0) {
|
|
if (--argc < 1)
|
|
goto bad;
|
|
informat = str2fmt(*(++argv));
|
|
} else if (strcmp(*argv, "-outform") == 0) {
|
|
if (--argc < 1)
|
|
goto bad;
|
|
outformat = str2fmt(*(++argv));
|
|
} else if (strcmp(*argv, "-in") == 0) {
|
|
if (--argc < 1)
|
|
goto bad;
|
|
infile = *(++argv);
|
|
} else if (strcmp(*argv, "-out") == 0) {
|
|
if (--argc < 1)
|
|
goto bad;
|
|
outfile = *(++argv);
|
|
} else if (strcmp(*argv, "-passin") == 0) {
|
|
if (--argc < 1)
|
|
goto bad;
|
|
passargin = *(++argv);
|
|
} else if (strcmp(*argv, "-passout") == 0) {
|
|
if (--argc < 1)
|
|
goto bad;
|
|
passargout = *(++argv);
|
|
}
|
|
# ifndef OPENSSL_NO_ENGINE
|
|
else if (strcmp(*argv, "-engine") == 0) {
|
|
if (--argc < 1)
|
|
goto bad;
|
|
engine = *(++argv);
|
|
}
|
|
# endif
|
|
else if (strcmp(*argv, "-sgckey") == 0)
|
|
sgckey = 1;
|
|
else if (strcmp(*argv, "-pubin") == 0)
|
|
pubin = 1;
|
|
else if (strcmp(*argv, "-pubout") == 0)
|
|
pubout = 1;
|
|
else if (strcmp(*argv, "-RSAPublicKey_in") == 0)
|
|
pubin = 2;
|
|
else if (strcmp(*argv, "-RSAPublicKey_out") == 0)
|
|
pubout = 2;
|
|
else if (strcmp(*argv, "-pvk-strong") == 0)
|
|
pvk_encr = 2;
|
|
else if (strcmp(*argv, "-pvk-weak") == 0)
|
|
pvk_encr = 1;
|
|
else if (strcmp(*argv, "-pvk-none") == 0)
|
|
pvk_encr = 0;
|
|
else if (strcmp(*argv, "-noout") == 0)
|
|
noout = 1;
|
|
else if (strcmp(*argv, "-text") == 0)
|
|
text = 1;
|
|
else if (strcmp(*argv, "-modulus") == 0)
|
|
modulus = 1;
|
|
else if (strcmp(*argv, "-check") == 0)
|
|
check = 1;
|
|
else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) {
|
|
BIO_printf(bio_err, "unknown option %s\n", *argv);
|
|
badops = 1;
|
|
break;
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if (badops) {
|
|
bad:
|
|
BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
|
|
BIO_printf(bio_err, "where options are\n");
|
|
BIO_printf(bio_err,
|
|
" -inform arg input format - one of DER NET PEM\n");
|
|
BIO_printf(bio_err,
|
|
" -outform arg output format - one of DER NET PEM\n");
|
|
BIO_printf(bio_err, " -in arg input file\n");
|
|
BIO_printf(bio_err, " -sgckey Use IIS SGC key format\n");
|
|
BIO_printf(bio_err,
|
|
" -passin arg input file pass phrase source\n");
|
|
BIO_printf(bio_err, " -out arg output file\n");
|
|
BIO_printf(bio_err,
|
|
" -passout arg output file pass phrase source\n");
|
|
BIO_printf(bio_err,
|
|
" -des encrypt PEM output with cbc des\n");
|
|
BIO_printf(bio_err,
|
|
" -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
|
|
# ifndef OPENSSL_NO_IDEA
|
|
BIO_printf(bio_err,
|
|
" -idea encrypt PEM output with cbc idea\n");
|
|
# endif
|
|
# ifndef OPENSSL_NO_SEED
|
|
BIO_printf(bio_err,
|
|
" -seed encrypt PEM output with cbc seed\n");
|
|
# endif
|
|
# ifndef OPENSSL_NO_AES
|
|
BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
|
|
BIO_printf(bio_err,
|
|
" encrypt PEM output with cbc aes\n");
|
|
# endif
|
|
# ifndef OPENSSL_NO_CAMELLIA
|
|
BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
|
|
BIO_printf(bio_err,
|
|
" encrypt PEM output with cbc camellia\n");
|
|
# endif
|
|
BIO_printf(bio_err, " -text print the key in text\n");
|
|
BIO_printf(bio_err, " -noout don't print key out\n");
|
|
BIO_printf(bio_err, " -modulus print the RSA key modulus\n");
|
|
BIO_printf(bio_err, " -check verify key consistency\n");
|
|
BIO_printf(bio_err,
|
|
" -pubin expect a public key in input file\n");
|
|
BIO_printf(bio_err, " -pubout output a public key\n");
|
|
# ifndef OPENSSL_NO_ENGINE
|
|
BIO_printf(bio_err,
|
|
" -engine e use engine e, possibly a hardware device.\n");
|
|
# endif
|
|
goto end;
|
|
}
|
|
|
|
ERR_load_crypto_strings();
|
|
|
|
# ifndef OPENSSL_NO_ENGINE
|
|
e = setup_engine(bio_err, engine, 0);
|
|
# endif
|
|
|
|
if (!app_passwd(bio_err, passargin, passargout, &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;
|
|
}
|
|
|
|
out = BIO_new(BIO_s_file());
|
|
|
|
{
|
|
EVP_PKEY *pkey;
|
|
|
|
if (pubin) {
|
|
int tmpformat = -1;
|
|
if (pubin == 2) {
|
|
if (informat == FORMAT_PEM)
|
|
tmpformat = FORMAT_PEMRSA;
|
|
else if (informat == FORMAT_ASN1)
|
|
tmpformat = FORMAT_ASN1RSA;
|
|
} else if (informat == FORMAT_NETSCAPE && sgckey)
|
|
tmpformat = FORMAT_IISSGC;
|
|
else
|
|
tmpformat = informat;
|
|
|
|
pkey = load_pubkey(bio_err, infile, tmpformat, 1,
|
|
passin, e, "Public Key");
|
|
} else
|
|
pkey = load_key(bio_err, infile,
|
|
(informat == FORMAT_NETSCAPE && sgckey ?
|
|
FORMAT_IISSGC : informat), 1,
|
|
passin, e, "Private Key");
|
|
|
|
if (pkey != NULL)
|
|
rsa = EVP_PKEY_get1_RSA(pkey);
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
|
|
if (rsa == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
if (outfile == NULL) {
|
|
BIO_set_fp(out, stdout, BIO_NOCLOSE);
|
|
# ifdef OPENSSL_SYS_VMS
|
|
{
|
|
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
|
|
out = BIO_push(tmpbio, out);
|
|
}
|
|
# endif
|
|
} else {
|
|
if (BIO_write_filename(out, outfile) <= 0) {
|
|
perror(outfile);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (text)
|
|
if (!RSA_print(out, rsa, 0)) {
|
|
perror(outfile);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
if (modulus) {
|
|
BIO_printf(out, "Modulus=");
|
|
BN_print(out, rsa->n);
|
|
BIO_printf(out, "\n");
|
|
}
|
|
|
|
if (check) {
|
|
int r = RSA_check_key(rsa);
|
|
|
|
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_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
|
|
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 e from error stack */
|
|
}
|
|
}
|
|
|
|
if (r == -1 || ERR_peek_error() != 0) { /* should happen only 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
|
|
i = i2d_RSAPrivateKey_bio(out, rsa);
|
|
}
|
|
# ifndef OPENSSL_NO_RC4
|
|
else if (outformat == FORMAT_NETSCAPE) {
|
|
unsigned char *p, *pp;
|
|
int size;
|
|
|
|
i = 1;
|
|
size = i2d_RSA_NET(rsa, NULL, NULL, sgckey);
|
|
if ((p = (unsigned char *)OPENSSL_malloc(size)) == NULL) {
|
|
BIO_printf(bio_err, "Memory allocation failure\n");
|
|
goto end;
|
|
}
|
|
pp = p;
|
|
i2d_RSA_NET(rsa, &p, NULL, sgckey);
|
|
BIO_write(out, (char *)pp, size);
|
|
OPENSSL_free(pp);
|
|
}
|
|
# endif
|
|
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
|
|
i = PEM_write_bio_RSAPrivateKey(out, rsa,
|
|
enc, NULL, 0, NULL, passout);
|
|
# if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
|
|
} else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
|
|
EVP_PKEY *pk;
|
|
pk = EVP_PKEY_new();
|
|
EVP_PKEY_set1_RSA(pk, rsa);
|
|
if (outformat == FORMAT_PVK)
|
|
i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
|
|
else if (pubin || pubout)
|
|
i = i2b_PublicKey_bio(out, pk);
|
|
else
|
|
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:
|
|
if (out != NULL)
|
|
BIO_free_all(out);
|
|
if (rsa != NULL)
|
|
RSA_free(rsa);
|
|
if (passin)
|
|
OPENSSL_free(passin);
|
|
if (passout)
|
|
OPENSSL_free(passout);
|
|
apps_shutdown();
|
|
OPENSSL_EXIT(ret);
|
|
}
|
|
#else /* !OPENSSL_NO_RSA */
|
|
|
|
# if PEDANTIC
|
|
static void *dummy = &dummy;
|
|
# endif
|
|
|
|
#endif
|