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.]
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 const EVP_CIPHER *enc=NULL;
97 BIO *in=NULL,*out=NULL;
98 int informat,outformat,text=0,check=0,noout=0;
99 int pubin = 0, pubout = 0;
100 char *infile,*outfile,*prog;
101 char *passin = NULL, *passout = NULL;
107 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
108 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
113 outformat=FORMAT_PEM;
120 if (strcmp(*argv,"-inform") == 0)
122 if (--argc < 1) goto bad;
123 informat=str2fmt(*(++argv));
125 else if (strcmp(*argv,"-outform") == 0)
127 if (--argc < 1) goto bad;
128 outformat=str2fmt(*(++argv));
130 else if (strcmp(*argv,"-in") == 0)
132 if (--argc < 1) goto bad;
135 else if (strcmp(*argv,"-out") == 0)
137 if (--argc < 1) goto bad;
140 else if (strcmp(*argv,"-passin") == 0)
142 if (--argc < 1) goto bad;
145 else if (strcmp(*argv,"-envpassin") == 0)
147 if (--argc < 1) goto bad;
148 if(!(passin= getenv(*(++argv))))
151 "Can't read environment variable %s\n",
156 else if (strcmp(*argv,"-envpassout") == 0)
158 if (--argc < 1) goto bad;
159 if(!(passout= getenv(*(++argv))))
162 "Can't read environment variable %s\n",
167 else if (strcmp(*argv,"-passout") == 0)
169 if (--argc < 1) goto bad;
172 else if (strcmp(*argv,"-pubin") == 0)
174 else if (strcmp(*argv,"-pubout") == 0)
176 else if (strcmp(*argv,"-noout") == 0)
178 else if (strcmp(*argv,"-text") == 0)
180 else if (strcmp(*argv,"-modulus") == 0)
182 else if (strcmp(*argv,"-check") == 0)
184 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
186 BIO_printf(bio_err,"unknown option %s\n",*argv);
197 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
198 BIO_printf(bio_err,"where options are\n");
199 BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n");
200 BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n");
201 BIO_printf(bio_err," -in arg input file\n");
202 BIO_printf(bio_err," -passin arg input file pass phrase\n");
203 BIO_printf(bio_err," -envpassin arg environment variable containing input file pass phrase\n");
204 BIO_printf(bio_err," -in arg input file\n");
205 BIO_printf(bio_err," -out arg output file\n");
206 BIO_printf(bio_err," -passout arg output file pass phrase\n");
207 BIO_printf(bio_err," -envpassout arg environment variable containing output file pass phrase\n");
208 BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
209 BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
211 BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
213 BIO_printf(bio_err," -text print the key in text\n");
214 BIO_printf(bio_err," -noout don't print key out\n");
215 BIO_printf(bio_err," -modulus print the RSA key modulus\n");
216 BIO_printf(bio_err," -check verify key consistency\n");
217 BIO_printf(bio_err," -pubin expect a public key in input file\n");
218 BIO_printf(bio_err," -pubout output a public key\n");
222 ERR_load_crypto_strings();
225 BIO_printf(bio_err, "Only private keys can be checked\n");
229 in=BIO_new(BIO_s_file());
230 out=BIO_new(BIO_s_file());
231 if ((in == NULL) || (out == NULL))
233 ERR_print_errors(bio_err);
238 BIO_set_fp(in,stdin,BIO_NOCLOSE);
241 if (BIO_read_filename(in,infile) <= 0)
248 BIO_printf(bio_err,"read RSA key\n");
249 if (informat == FORMAT_ASN1) {
250 if (pubin) rsa=d2i_RSA_PUBKEY_bio(in,NULL);
251 else rsa=d2i_RSAPrivateKey_bio(in,NULL);
254 else if (informat == FORMAT_NETSCAPE)
263 if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
265 i=BIO_read(in,&(buf->data[size]),1024*10);
270 perror("reading private key");
275 p=(unsigned char *)buf->data;
276 rsa=d2i_Netscape_RSA(NULL,&p,(long)size,NULL);
280 else if (informat == FORMAT_PEM) {
281 if(pubin) rsa=PEM_read_bio_RSA_PUBKEY(in,NULL,NULL,NULL);
282 else rsa=PEM_read_bio_RSAPrivateKey(in,NULL, PEM_cb,passin);
286 BIO_printf(bio_err,"bad input format specified for key\n");
291 BIO_printf(bio_err,"unable to load key\n");
292 ERR_print_errors(bio_err);
297 BIO_set_fp(out,stdout,BIO_NOCLOSE);
300 if (BIO_write_filename(out,outfile) <= 0)
308 if (!RSA_print(out,rsa,0))
311 ERR_print_errors(bio_err);
317 BIO_printf(out,"Modulus=");
318 BN_print(out,rsa->n);
319 BIO_printf(out,"\n");
324 int r = RSA_check_key(rsa);
327 BIO_printf(out,"RSA key ok\n");
332 while ((e = ERR_peek_error()) != 0 &&
333 ERR_GET_LIB(e) == ERR_LIB_RSA &&
334 ERR_GET_FUNC(e) == RSA_F_RSA_CHECK_KEY &&
335 ERR_GET_REASON(e) != ERR_R_MALLOC_FAILURE)
337 BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(e));
338 ERR_get_error(); /* remove e from error stack */
342 if (r == -1 || ERR_peek_error() != 0) /* should happen only if r == -1 */
344 ERR_print_errors(bio_err);
354 BIO_printf(bio_err,"writing RSA key\n");
355 if (outformat == FORMAT_ASN1) {
356 if(pubout || pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
357 else i=i2d_RSAPrivateKey_bio(out,rsa);
360 else if (outformat == FORMAT_NETSCAPE)
362 unsigned char *p,*pp;
366 size=i2d_Netscape_RSA(rsa,NULL,NULL);
367 if ((p=(unsigned char *)Malloc(size)) == NULL)
369 BIO_printf(bio_err,"Malloc failure\n");
373 i2d_Netscape_RSA(rsa,&p,NULL);
374 BIO_write(out,(char *)pp,size);
378 else if (outformat == FORMAT_PEM) {
380 i=PEM_write_bio_RSA_PUBKEY(out,rsa);
381 else i=PEM_write_bio_RSAPrivateKey(out,rsa,
382 enc,NULL,0,PEM_cb,passout);
384 BIO_printf(bio_err,"bad output format specified for outfile\n");
389 BIO_printf(bio_err,"unable to write key\n");
390 ERR_print_errors(bio_err);
395 if (in != NULL) BIO_free(in);
396 if (out != NULL) BIO_free(out);
397 if (rsa != NULL) RSA_free(rsa);
403 static void *dummy=&dummy;