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);