2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 #ifndef OPENSSL_NO_RSA
65 #include <openssl/bio.h>
66 #include <openssl/err.h>
67 #include <openssl/rsa.h>
68 #include <openssl/evp.h>
69 #include <openssl/x509.h>
70 #include <openssl/pem.h>
75 /* -inform arg - input format - default PEM (one of DER, NET or PEM)
76 * -outform arg - output format - default PEM
77 * -in arg - input file - default stdin
78 * -out arg - output file - default stdout
79 * -des - encrypt output if PEM format with DES in cbc mode
80 * -des3 - encrypt output if PEM format
81 * -idea - encrypt output if PEM format
82 * -text - print a text version
83 * -modulus - print the RSA key modulus
84 * -check - verify key consistency
85 * -pubin - Expect a public key in input file.
86 * -pubout - Output a public key.
89 int MAIN(int, char **);
91 int MAIN(int argc, char **argv)
96 int i,badops=0, sgckey=0;
97 const EVP_CIPHER *enc=NULL;
98 BIO *in=NULL,*out=NULL;
99 int informat,outformat,text=0,check=0,noout=0;
100 int pubin = 0, pubout = 0;
101 char *infile,*outfile,*prog;
102 char *passargin = NULL, *passargout = NULL;
103 char *passin = NULL, *passout = NULL;
110 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
111 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
116 outformat=FORMAT_PEM;
123 if (strcmp(*argv,"-inform") == 0)
125 if (--argc < 1) goto bad;
126 informat=str2fmt(*(++argv));
128 else if (strcmp(*argv,"-outform") == 0)
130 if (--argc < 1) goto bad;
131 outformat=str2fmt(*(++argv));
133 else if (strcmp(*argv,"-in") == 0)
135 if (--argc < 1) goto bad;
138 else if (strcmp(*argv,"-out") == 0)
140 if (--argc < 1) goto bad;
143 else if (strcmp(*argv,"-passin") == 0)
145 if (--argc < 1) goto bad;
146 passargin= *(++argv);
148 else if (strcmp(*argv,"-passout") == 0)
150 if (--argc < 1) goto bad;
151 passargout= *(++argv);
153 else if (strcmp(*argv,"-engine") == 0)
155 if (--argc < 1) goto bad;
158 else if (strcmp(*argv,"-sgckey") == 0)
160 else if (strcmp(*argv,"-pubin") == 0)
162 else if (strcmp(*argv,"-pubout") == 0)
164 else if (strcmp(*argv,"-noout") == 0)
166 else if (strcmp(*argv,"-text") == 0)
168 else if (strcmp(*argv,"-modulus") == 0)
170 else if (strcmp(*argv,"-check") == 0)
172 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
174 BIO_printf(bio_err,"unknown option %s\n",*argv);
185 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
186 BIO_printf(bio_err,"where options are\n");
187 BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n");
188 BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n");
189 BIO_printf(bio_err," -in arg input file\n");
190 BIO_printf(bio_err," -sgckey Use IIS SGC key format\n");
191 BIO_printf(bio_err," -passin arg input file pass phrase source\n");
192 BIO_printf(bio_err," -out arg output file\n");
193 BIO_printf(bio_err," -passout arg output file pass phrase source\n");
194 BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
195 BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
196 #ifndef OPENSSL_NO_IDEA
197 BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
199 BIO_printf(bio_err," -text print the key in text\n");
200 BIO_printf(bio_err," -noout don't print key out\n");
201 BIO_printf(bio_err," -modulus print the RSA key modulus\n");
202 BIO_printf(bio_err," -check verify key consistency\n");
203 BIO_printf(bio_err," -pubin expect a public key in input file\n");
204 BIO_printf(bio_err," -pubout output a public key\n");
205 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
209 ERR_load_crypto_strings();
211 e = setup_engine(bio_err, engine, 0);
213 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
214 BIO_printf(bio_err, "Error getting passwords\n");
219 BIO_printf(bio_err, "Only private keys can be checked\n");
223 in=BIO_new(BIO_s_file());
224 out=BIO_new(BIO_s_file());
225 if ((in == NULL) || (out == NULL))
227 ERR_print_errors(bio_err);
232 BIO_set_fp(in,stdin,BIO_NOCLOSE);
235 if (BIO_read_filename(in,infile) <= 0)
242 BIO_printf(bio_err,"read RSA key\n");
243 if (informat == FORMAT_ASN1) {
244 if (pubin) rsa=d2i_RSA_PUBKEY_bio(in,NULL);
245 else rsa=d2i_RSAPrivateKey_bio(in,NULL);
247 #ifndef OPENSSL_NO_RC4
248 else if (informat == FORMAT_NETSCAPE)
251 const unsigned char *p;
257 if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
259 i=BIO_read(in,&(buf->data[size]),1024*10);
264 perror("reading private key");
269 p=(unsigned char *)buf->data;
270 rsa=d2i_RSA_NET(NULL,&p,(long)size,NULL, sgckey);
274 else if (informat == FORMAT_PEM) {
275 if(pubin) rsa=PEM_read_bio_RSA_PUBKEY(in,NULL,NULL,NULL);
276 else rsa=PEM_read_bio_RSAPrivateKey(in,NULL, NULL,passin);
280 BIO_printf(bio_err,"bad input format specified for key\n");
285 BIO_printf(bio_err,"unable to load key\n");
286 ERR_print_errors(bio_err);
292 BIO_set_fp(out,stdout,BIO_NOCLOSE);
293 #ifdef OPENSSL_SYS_VMS
295 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
296 out = BIO_push(tmpbio, out);
302 if (BIO_write_filename(out,outfile) <= 0)
310 if (!RSA_print(out,rsa,0))
313 ERR_print_errors(bio_err);
319 BIO_printf(out,"Modulus=");
320 BN_print(out,rsa->n);
321 BIO_printf(out,"\n");
326 int r = RSA_check_key(rsa);
329 BIO_printf(out,"RSA key ok\n");
334 while ((err = ERR_peek_error()) != 0 &&
335 ERR_GET_LIB(err) == ERR_LIB_RSA &&
336 ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
337 ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE)
339 BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err));
340 ERR_get_error(); /* remove e from error stack */
344 if (r == -1 || ERR_peek_error() != 0) /* should happen only if r == -1 */
346 ERR_print_errors(bio_err);
356 BIO_printf(bio_err,"writing RSA key\n");
357 if (outformat == FORMAT_ASN1) {
358 if(pubout || pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
359 else i=i2d_RSAPrivateKey_bio(out,rsa);
361 #ifndef OPENSSL_NO_RC4
362 else if (outformat == FORMAT_NETSCAPE)
364 unsigned char *p,*pp;
368 size=i2d_RSA_NET(rsa,NULL,NULL, sgckey);
369 if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL)
371 BIO_printf(bio_err,"Memory allocation failure\n");
375 i2d_RSA_NET(rsa,&p,NULL, sgckey);
376 BIO_write(out,(char *)pp,size);
380 else if (outformat == FORMAT_PEM) {
382 i=PEM_write_bio_RSA_PUBKEY(out,rsa);
383 else i=PEM_write_bio_RSAPrivateKey(out,rsa,
384 enc,NULL,0,NULL,passout);
386 BIO_printf(bio_err,"bad output format specified for outfile\n");
391 BIO_printf(bio_err,"unable to write key\n");
392 ERR_print_errors(bio_err);
397 if(in != NULL) BIO_free(in);
398 if(out != NULL) BIO_free_all(out);
399 if(rsa != NULL) RSA_free(rsa);
400 if(passin) OPENSSL_free(passin);
401 if(passout) OPENSSL_free(passout);
405 #else /* !OPENSSL_NO_RSA */
408 static void *dummy=&dummy;