ref: 4040ea7a5eda976098131794e8df3b162cafa8f4
dir: /sys/src/ape/lib/openssl/apps/rsa.c/
/* apps/rsa.c */
/* Copyright (C) 1995-1998 Eric Young ([email protected])
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young ([email protected]).
* 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 ([email protected]).
*
* 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 ([email protected])"
* 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 ([email protected])"
*
* 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;
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,"-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)
pkey = load_pubkey(bio_err, infile,
(informat == FORMAT_NETSCAPE && sgckey ?
FORMAT_IISSGC : informat), 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 = pkey == NULL ? NULL : 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) 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)
i=PEM_write_bio_RSA_PUBKEY(out,rsa);
else i=PEM_write_bio_RSAPrivateKey(out,rsa,
enc,NULL,0,NULL,passout);
} else {
BIO_printf(bio_err,"bad output format specified for outfile\n");
goto end;
}
if (!i)
{
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