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+/* 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
+ * -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_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