1 /* crypto/asn1/t_pkey.c */
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.]
61 #include <openssl/objects.h>
62 #include <openssl/buffer.h>
63 #include <openssl/bn.h>
64 #ifndef OPENSSL_NO_RSA
65 #include <openssl/rsa.h>
68 #include <openssl/dh.h>
70 #ifndef OPENSSL_NO_DSA
71 #include <openssl/dsa.h>
74 #include <openssl/ec.h>
77 static int print(BIO
*fp
,const char *str
,BIGNUM
*num
,
78 unsigned char *buf
,int off
);
79 #ifndef OPENSSL_NO_RSA
80 #ifndef OPENSSL_NO_FP_API
81 int RSA_print_fp(FILE *fp
, const RSA
*x
, int off
)
86 if ((b
=BIO_new(BIO_s_file())) == NULL
)
88 RSAerr(RSA_F_RSA_PRINT_FP
,ERR_R_BUF_LIB
);
91 BIO_set_fp(b
,fp
,BIO_NOCLOSE
);
92 ret
=RSA_print(b
,x
,off
);
98 int RSA_print(BIO
*bp
, const RSA
*x
, int off
)
102 unsigned char *m
=NULL
;
107 buf_len
= (size_t)BN_num_bytes(x
->n
);
109 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->e
)))
112 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->d
)))
115 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->p
)))
118 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->q
)))
121 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->dmp1
)))
124 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->dmq1
)))
127 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->iqmp
)))
130 m
=(unsigned char *)OPENSSL_malloc(buf_len
+10);
133 RSAerr(RSA_F_RSA_PRINT
,ERR_R_MALLOC_FAILURE
);
139 if (off
> 128) off
=128;
144 if (off
&& (BIO_write(bp
,str
,off
) <= 0)) goto err
;
145 if (BIO_printf(bp
,"Private-Key: (%d bit)\n",BN_num_bits(x
->n
))
150 sprintf(str
,"Modulus (%d bit):",BN_num_bits(x
->n
));
152 strcpy(str
,"modulus:");
153 if (!print(bp
,str
,x
->n
,m
,off
)) goto err
;
154 s
=(x
->d
== NULL
)?"Exponent:":"publicExponent:";
155 if (!print(bp
,s
,x
->e
,m
,off
)) goto err
;
156 if (!print(bp
,"privateExponent:",x
->d
,m
,off
)) goto err
;
157 if (!print(bp
,"prime1:",x
->p
,m
,off
)) goto err
;
158 if (!print(bp
,"prime2:",x
->q
,m
,off
)) goto err
;
159 if (!print(bp
,"exponent1:",x
->dmp1
,m
,off
)) goto err
;
160 if (!print(bp
,"exponent2:",x
->dmq1
,m
,off
)) goto err
;
161 if (!print(bp
,"coefficient:",x
->iqmp
,m
,off
)) goto err
;
164 if (m
!= NULL
) OPENSSL_free(m
);
167 #endif /* OPENSSL_NO_RSA */
169 #ifndef OPENSSL_NO_DSA
170 #ifndef OPENSSL_NO_FP_API
171 int DSA_print_fp(FILE *fp
, const DSA
*x
, int off
)
176 if ((b
=BIO_new(BIO_s_file())) == NULL
)
178 DSAerr(DSA_F_DSA_PRINT_FP
,ERR_R_BUF_LIB
);
181 BIO_set_fp(b
,fp
,BIO_NOCLOSE
);
182 ret
=DSA_print(b
,x
,off
);
188 int DSA_print(BIO
*bp
, const DSA
*x
, int off
)
191 unsigned char *m
=NULL
;
196 buf_len
= (size_t)BN_num_bytes(x
->p
);
198 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->q
)))
201 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->g
)))
204 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->priv_key
)))
207 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->pub_key
)))
210 m
=(unsigned char *)OPENSSL_malloc(buf_len
+10);
213 DSAerr(DSA_F_DSA_PRINT
,ERR_R_MALLOC_FAILURE
);
219 if (off
> 128) off
=128;
222 if (x
->priv_key
!= NULL
)
224 if (off
&& (BIO_write(bp
,str
,off
) <= 0)) goto err
;
225 if (BIO_printf(bp
,"Private-Key: (%d bit)\n",BN_num_bits(x
->p
))
229 if ((x
->priv_key
!= NULL
) && !print(bp
,"priv:",x
->priv_key
,m
,off
))
231 if ((x
->pub_key
!= NULL
) && !print(bp
,"pub: ",x
->pub_key
,m
,off
))
233 if ((x
->p
!= NULL
) && !print(bp
,"P: ",x
->p
,m
,off
)) goto err
;
234 if ((x
->q
!= NULL
) && !print(bp
,"Q: ",x
->q
,m
,off
)) goto err
;
235 if ((x
->g
!= NULL
) && !print(bp
,"G: ",x
->g
,m
,off
)) goto err
;
238 if (m
!= NULL
) OPENSSL_free(m
);
241 #endif /* !OPENSSL_NO_DSA */
243 #ifndef OPENSSL_NO_EC
244 #ifndef OPENSSL_NO_FP_API
245 int ECPKParameters_print_fp(FILE *fp
, const EC_GROUP
*x
, int off
)
250 if ((b
=BIO_new(BIO_s_file())) == NULL
)
252 ECerr(EC_F_ECPKPARAMETERS_PRINT_FP
,ERR_R_BUF_LIB
);
255 BIO_set_fp(b
, fp
, BIO_NOCLOSE
);
256 ret
= ECPKParameters_print(b
, x
, off
);
261 int EC_KEY_print_fp(FILE *fp
, const EC_KEY
*x
, int off
)
266 if ((b
=BIO_new(BIO_s_file())) == NULL
)
268 ECerr(EC_F_EC_KEY_PRINT_FP
, ERR_R_BIO_LIB
);
271 BIO_set_fp(b
, fp
, BIO_NOCLOSE
);
272 ret
= EC_KEY_print(b
, x
, off
);
278 int ECPKParameters_print(BIO
*bp
, const EC_GROUP
*x
, int off
)
281 unsigned char *buffer
=NULL
;
283 int ret
=0, reason
=ERR_R_BIO_LIB
;
285 EC_POINT
*point
=NULL
;
286 BIGNUM
*p
=NULL
, *a
=NULL
, *b
=NULL
, *gen
=NULL
,
287 *order
=NULL
, *cofactor
=NULL
, *seed
=NULL
;
289 static const char *gen_compressed
= "Generator (compressed):";
290 static const char *gen_uncompressed
= "Generator (uncompressed):";
291 static const char *gen_hybrid
= "Generator (hybrid):";
295 reason
= ERR_R_PASSED_NULL_PARAMETER
;
299 if (EC_GROUP_get_asn1_flag(x
))
301 /* the curve parameter are given by an asn1 OID */
308 memset(str
, ' ', off
);
309 if (BIO_write(bp
, str
, off
) <= 0)
313 nid
= EC_GROUP_get_nid(x
);
317 if (BIO_printf(bp
, "ASN1 OID: %s", OBJ_nid2sn(nid
)) <= 0)
319 if (BIO_printf(bp
, "\n") <= 0)
324 /* explicit parameters */
326 point_conversion_form_t form
;
328 if ((p
= BN_new()) == NULL
|| (a
= BN_new()) == NULL
||
329 (b
= BN_new()) == NULL
|| (order
= BN_new()) == NULL
||
330 (cofactor
= BN_new()) == NULL
)
332 reason
= ERR_R_MALLOC_FAILURE
;
336 if (!EC_GROUP_get_curve_GFp(x
, p
, a
, b
, ctx
))
338 reason
= ERR_R_EC_LIB
;
342 if ((point
= EC_GROUP_get0_generator(x
)) == NULL
)
344 reason
= ERR_R_EC_LIB
;
347 if (!EC_GROUP_get_order(x
, order
, NULL
) ||
348 !EC_GROUP_get_cofactor(x
, cofactor
, NULL
))
350 reason
= ERR_R_EC_LIB
;
354 form
= EC_GROUP_get_point_conversion_form(x
);
356 if ((gen
= EC_POINT_point2bn(x
, point
,
357 form
, NULL
, ctx
)) == NULL
)
359 reason
= ERR_R_EC_LIB
;
363 buf_len
= (size_t)BN_num_bytes(p
);
364 if (buf_len
< (i
= (size_t)BN_num_bytes(a
)))
366 if (buf_len
< (i
= (size_t)BN_num_bytes(b
)))
368 if (buf_len
< (i
= (size_t)BN_num_bytes(gen
)))
370 if (buf_len
< (i
= (size_t)BN_num_bytes(order
)))
372 if (buf_len
< (i
= (size_t)BN_num_bytes(cofactor
)))
375 if (EC_GROUP_get0_seed(x
))
377 seed
= BN_bin2bn(EC_GROUP_get0_seed(x
),
378 EC_GROUP_get_seed_len(x
), NULL
);
381 reason
= ERR_R_BN_LIB
;
384 if (buf_len
< (i
= (size_t)BN_num_bytes(seed
)))
389 if ((buffer
= OPENSSL_malloc(buf_len
)) == NULL
)
391 reason
= ERR_R_MALLOC_FAILURE
;
396 if (off
> 128) off
=128;
400 if ((p
!= NULL
) && !print(bp
, "P: ", p
, buffer
, off
))
402 if ((a
!= NULL
) && !print(bp
, "A: ", a
, buffer
, off
))
404 if ((b
!= NULL
) && !print(bp
, "B: ", b
, buffer
, off
))
406 if (form
== POINT_CONVERSION_COMPRESSED
)
408 if ((gen
!= NULL
) && !print(bp
, gen_compressed
, gen
,
412 else if (form
== POINT_CONVERSION_UNCOMPRESSED
)
414 if ((gen
!= NULL
) && !print(bp
, gen_uncompressed
, gen
,
418 else /* form == POINT_CONVERSION_HYBRID */
420 if ((gen
!= NULL
) && !print(bp
, gen_hybrid
, gen
,
424 if ((order
!= NULL
) && !print(bp
, "Order: ", order
,
425 buffer
, off
)) goto err
;
426 if ((cofactor
!= NULL
) && !print(bp
, "Cofactor: ", cofactor
,
427 buffer
, off
)) goto err
;
428 if ((seed
!= NULL
) && !print(bp
, "Seed:", seed
,
429 buffer
, off
)) goto err
;
434 ECerr(EC_F_ECPKPARAMETERS_PRINT
, reason
);
452 OPENSSL_free(buffer
);
456 int EC_KEY_print(BIO
*bp
, const EC_KEY
*x
, int off
)
459 unsigned char *buffer
=NULL
;
461 int ret
=0, reason
=ERR_R_BIO_LIB
;
462 BIGNUM
*pub_key
=NULL
;
467 reason
= ERR_R_PASSED_NULL_PARAMETER
;
471 if ((pub_key
= EC_POINT_point2bn(x
->group
, x
->pub_key
,
472 x
->conv_form
, NULL
, ctx
)) == NULL
)
474 reason
= ERR_R_EC_LIB
;
478 buf_len
= (size_t)BN_num_bytes(pub_key
);
481 if ((i
= (size_t)BN_num_bytes(x
->priv_key
)) > buf_len
)
486 if ((buffer
= OPENSSL_malloc(buf_len
)) == NULL
)
488 reason
= ERR_R_MALLOC_FAILURE
;
493 if (off
> 128) off
=128;
496 if (x
->priv_key
!= NULL
)
498 if (off
&& (BIO_write(bp
, str
, off
) <= 0)) goto err
;
499 if (BIO_printf(bp
, "Private-Key: (%d bit)\n",
500 BN_num_bits(x
->priv_key
)) <= 0) goto err
;
503 if ((x
->priv_key
!= NULL
) && !print(bp
, "priv:", x
->priv_key
,
506 if ((pub_key
!= NULL
) && !print(bp
, "pub: ", pub_key
,
509 if (!ECPKParameters_print(bp
, x
->group
, off
))
514 ECerr(EC_F_EC_KEY_PRINT
, reason
);
520 OPENSSL_free(buffer
);
523 #endif /* OPENSSL_NO_EC */
525 static int print(BIO
*bp
, const char *number
, BIGNUM
*num
, unsigned char *buf
,
532 if (num
== NULL
) return(1);
533 neg
=(num
->neg
)?"-":"";
536 if (off
> 128) off
=128;
538 if (BIO_write(bp
,str
,off
) <= 0) return(0);
541 if (BN_num_bytes(num
) <= BN_BYTES
)
543 if (BIO_printf(bp
,"%s %s%lu (%s0x%lx)\n",number
,neg
,
544 (unsigned long)num
->d
[0],neg
,(unsigned long)num
->d
[0])
550 if (BIO_printf(bp
,"%s%s",number
,
551 (neg
[0] == '-')?" (Negative)":"") <= 0)
553 n
=BN_bn2bin(num
,&buf
[1]);
564 memset(&(str
[1]),' ',off
+4);
565 if (BIO_write(bp
,str
,off
+1+4) <= 0) return(0);
567 if (BIO_printf(bp
,"%02x%s",buf
[i
],((i
+1) == n
)?"":":")
570 if (BIO_write(bp
,"\n",1) <= 0) return(0);
575 #ifndef OPENSSL_NO_DH
576 #ifndef OPENSSL_NO_FP_API
577 int DHparams_print_fp(FILE *fp
, const DH
*x
)
582 if ((b
=BIO_new(BIO_s_file())) == NULL
)
584 DHerr(DH_F_DHPARAMS_PRINT_FP
,ERR_R_BUF_LIB
);
587 BIO_set_fp(b
,fp
,BIO_NOCLOSE
);
588 ret
=DHparams_print(b
, x
);
594 int DHparams_print(BIO
*bp
, const DH
*x
)
596 unsigned char *m
=NULL
;
597 int reason
=ERR_R_BUF_LIB
,ret
=0;
601 buf_len
= (size_t)BN_num_bytes(x
->p
);
603 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->g
)))
605 m
=(unsigned char *)OPENSSL_malloc(buf_len
+10);
608 reason
=ERR_R_MALLOC_FAILURE
;
612 if (BIO_printf(bp
,"Diffie-Hellman-Parameters: (%d bit)\n",
613 BN_num_bits(x
->p
)) <= 0)
615 if (!print(bp
,"prime:",x
->p
,m
,4)) goto err
;
616 if (!print(bp
,"generator:",x
->g
,m
,4)) goto err
;
619 if (BIO_printf(bp
," recommended-private-length: %d bits\n",
620 (int)x
->length
) <= 0) goto err
;
626 DHerr(DH_F_DHPARAMS_PRINT
,reason
);
628 if (m
!= NULL
) OPENSSL_free(m
);
633 #ifndef OPENSSL_NO_DSA
634 #ifndef OPENSSL_NO_FP_API
635 int DSAparams_print_fp(FILE *fp
, const DSA
*x
)
640 if ((b
=BIO_new(BIO_s_file())) == NULL
)
642 DSAerr(DSA_F_DSAPARAMS_PRINT_FP
,ERR_R_BUF_LIB
);
645 BIO_set_fp(b
,fp
,BIO_NOCLOSE
);
646 ret
=DSAparams_print(b
, x
);
652 int DSAparams_print(BIO
*bp
, const DSA
*x
)
654 unsigned char *m
=NULL
;
655 int reason
=ERR_R_BUF_LIB
,ret
=0;
659 buf_len
= (size_t)BN_num_bytes(x
->p
);
661 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->q
)))
664 if (buf_len
< (i
= (size_t)BN_num_bytes(x
->g
)))
666 m
=(unsigned char *)OPENSSL_malloc(buf_len
+10);
669 reason
=ERR_R_MALLOC_FAILURE
;
673 if (BIO_printf(bp
,"DSA-Parameters: (%d bit)\n",
674 BN_num_bits(x
->p
)) <= 0)
676 if (!print(bp
,"p:",x
->p
,m
,4)) goto err
;
677 if (!print(bp
,"q:",x
->q
,m
,4)) goto err
;
678 if (!print(bp
,"g:",x
->g
,m
,4)) goto err
;
681 if (m
!= NULL
) OPENSSL_free(m
);
682 DSAerr(DSA_F_DSAPARAMS_PRINT
,reason
);
686 #endif /* !OPENSSL_NO_DSA */
688 #ifndef OPENSSL_NO_EC
689 #ifndef OPENSSL_NO_FP_API
690 int ECParameters_print_fp(FILE *fp
, const EC_KEY
*x
)
695 if ((b
=BIO_new(BIO_s_file())) == NULL
)
697 ECerr(EC_F_ECPARAMETERS_PRINT_FP
, ERR_R_BIO_LIB
);
700 BIO_set_fp(b
, fp
, BIO_NOCLOSE
);
701 ret
= ECParameters_print(b
, x
);
707 int ECParameters_print(BIO
*bp
, const EC_KEY
*x
)
709 int reason
=ERR_R_EC_LIB
, ret
=0;
714 reason
= ERR_R_PASSED_NULL_PARAMETER
;;
718 if ((order
= BN_new()) == NULL
)
720 reason
= ERR_R_MALLOC_FAILURE
;
724 if (!EC_GROUP_get_order(x
->group
, order
, NULL
))
726 reason
= ERR_R_EC_LIB
;
730 if (BIO_printf(bp
, "ECDSA-Parameters: (%d bit)\n",
731 BN_num_bits(order
)) <= 0)
733 if (!ECPKParameters_print(bp
, x
->group
, 4))
739 ECerr(EC_F_ECPARAMETERS_PRINT
, reason
);