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.]
58 /* ====================================================================
59 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60 * Binary polynomial ECC support in OpenSSL originally developed by
61 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
66 #include <openssl/objects.h>
67 #include <openssl/buffer.h>
68 #include <openssl/bn.h>
69 #ifndef OPENSSL_NO_RSA
70 #include <openssl/rsa.h>
73 #include <openssl/dh.h>
75 #ifndef OPENSSL_NO_DSA
76 #include <openssl/dsa.h>
79 #include <openssl/ec.h>
82 static int print(BIO *fp,const char *str, const BIGNUM *num,
83 unsigned char *buf,int off);
85 static int print_bin(BIO *fp, const char *str, const unsigned char *num,
88 #ifndef OPENSSL_NO_RSA
89 #ifndef OPENSSL_NO_FP_API
90 int RSA_print_fp(FILE *fp, const RSA *x, int off)
95 if ((b=BIO_new(BIO_s_file())) == NULL)
97 RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
100 BIO_set_fp(b,fp,BIO_NOCLOSE);
101 ret=RSA_print(b,x,off);
107 int RSA_print(BIO *bp, const RSA *x, int off)
111 unsigned char *m=NULL;
116 buf_len = (size_t)BN_num_bytes(x->n);
118 if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
121 if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
124 if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
127 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
130 if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
133 if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
136 if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
139 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
142 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
148 if(!BIO_indent(bp,off,128))
150 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
155 BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n));
157 BUF_strlcpy(str,"modulus:",sizeof str);
158 if (!print(bp,str,x->n,m,off)) goto err;
159 s=(x->d == NULL)?"Exponent:":"publicExponent:";
160 if (!print(bp,s,x->e,m,off)) goto err;
161 if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
162 if (!print(bp,"prime1:",x->p,m,off)) goto err;
163 if (!print(bp,"prime2:",x->q,m,off)) goto err;
164 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
165 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
166 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
169 if (m != NULL) OPENSSL_free(m);
172 #endif /* OPENSSL_NO_RSA */
174 #ifndef OPENSSL_NO_DSA
175 #ifndef OPENSSL_NO_FP_API
176 int DSA_print_fp(FILE *fp, const DSA *x, int off)
181 if ((b=BIO_new(BIO_s_file())) == NULL)
183 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
186 BIO_set_fp(b,fp,BIO_NOCLOSE);
187 ret=DSA_print(b,x,off);
193 int DSA_print(BIO *bp, const DSA *x, int off)
195 unsigned char *m=NULL;
200 buf_len = (size_t)BN_num_bytes(x->p);
202 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
205 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
208 if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
211 if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
214 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
217 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
221 if (x->priv_key != NULL)
223 if(!BIO_indent(bp,off,128))
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)
280 unsigned char *buffer=NULL;
282 int ret=0, reason=ERR_R_BIO_LIB;
284 const EC_POINT *point=NULL;
285 BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
286 *order=NULL, *cofactor=NULL;
287 const unsigned char *seed;
290 static const char *gen_compressed = "Generator (compressed):";
291 static const char *gen_uncompressed = "Generator (uncompressed):";
292 static const char *gen_hybrid = "Generator (hybrid):";
296 reason = ERR_R_PASSED_NULL_PARAMETER;
300 if (EC_GROUP_get_asn1_flag(x))
302 /* the curve parameter are given by an asn1 OID */
305 if (!BIO_indent(bp, off, 128))
308 nid = EC_GROUP_get_curve_name(x);
312 if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
314 if (BIO_printf(bp, "\n") <= 0)
319 /* explicit parameters */
321 point_conversion_form_t form;
322 int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
324 if (tmp_nid == NID_X9_62_characteristic_two_field)
327 if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
328 (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
329 (cofactor = BN_new()) == NULL)
331 reason = ERR_R_MALLOC_FAILURE;
337 if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
339 reason = ERR_R_EC_LIB;
343 else /* prime field */
345 if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
347 reason = ERR_R_EC_LIB;
352 if ((point = EC_GROUP_get0_generator(x)) == NULL)
354 reason = ERR_R_EC_LIB;
357 if (!EC_GROUP_get_order(x, order, NULL) ||
358 !EC_GROUP_get_cofactor(x, cofactor, NULL))
360 reason = ERR_R_EC_LIB;
364 form = EC_GROUP_get_point_conversion_form(x);
366 if ((gen = EC_POINT_point2bn(x, point,
367 form, NULL, ctx)) == NULL)
369 reason = ERR_R_EC_LIB;
373 buf_len = (size_t)BN_num_bytes(p);
374 if (buf_len < (i = (size_t)BN_num_bytes(a)))
376 if (buf_len < (i = (size_t)BN_num_bytes(b)))
378 if (buf_len < (i = (size_t)BN_num_bytes(gen)))
380 if (buf_len < (i = (size_t)BN_num_bytes(order)))
382 if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
385 if ((seed = EC_GROUP_get0_seed(x)) != NULL)
386 seed_len = EC_GROUP_get_seed_len(x);
389 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
391 reason = ERR_R_MALLOC_FAILURE;
395 if (!BIO_indent(bp, off, 128))
398 /* print the 'short name' of the field type */
399 if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
405 /* print the 'short name' of the base type OID */
406 int basis_type = EC_GROUP_get_basis_type(x);
410 if (!BIO_indent(bp, off, 128))
413 if (BIO_printf(bp, "Basis Type: %s\n",
414 OBJ_nid2sn(basis_type)) <= 0)
417 /* print the polynomial */
418 if ((p != NULL) && !print(bp, "Polynomial:", p, buffer,
424 if ((p != NULL) && !print(bp, "Prime:", p, buffer,off))
427 if ((a != NULL) && !print(bp, "A: ", a, buffer, off))
429 if ((b != NULL) && !print(bp, "B: ", b, buffer, off))
431 if (form == POINT_CONVERSION_COMPRESSED)
433 if ((gen != NULL) && !print(bp, gen_compressed, gen,
437 else if (form == POINT_CONVERSION_UNCOMPRESSED)
439 if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
443 else /* form == POINT_CONVERSION_HYBRID */
445 if ((gen != NULL) && !print(bp, gen_hybrid, gen,
449 if ((order != NULL) && !print(bp, "Order: ", order,
450 buffer, off)) goto err;
451 if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor,
452 buffer, off)) goto err;
453 if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
459 ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
475 OPENSSL_free(buffer);
479 int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
481 unsigned char *buffer=NULL;
483 int ret=0, reason=ERR_R_BIO_LIB;
484 BIGNUM *pub_key=NULL, *order=NULL;
486 const EC_GROUP *group;
487 const EC_POINT *public_key;
488 const BIGNUM *priv_key;
490 if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
492 reason = ERR_R_PASSED_NULL_PARAMETER;
496 public_key = EC_KEY_get0_public_key(x);
497 if ((pub_key = EC_POINT_point2bn(group, public_key,
498 EC_KEY_get_conv_form(x), NULL, ctx)) == NULL)
500 reason = ERR_R_EC_LIB;
504 buf_len = (size_t)BN_num_bytes(pub_key);
505 priv_key = EC_KEY_get0_private_key(x);
506 if (priv_key != NULL)
508 if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len)
513 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
515 reason = ERR_R_MALLOC_FAILURE;
519 if (priv_key != NULL)
521 if (!BIO_indent(bp, off, 128))
523 if ((order = BN_new()) == NULL)
525 if (!EC_GROUP_get_order(group, order, NULL))
527 if (BIO_printf(bp, "Private-Key: (%d bit)\n",
528 BN_num_bits(order)) <= 0) goto err;
531 if ((priv_key != NULL) && !print(bp, "priv:", priv_key,
534 if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
537 if (!ECPKParameters_print(bp, group, off))
542 ECerr(EC_F_EC_KEY_PRINT, reason);
550 OPENSSL_free(buffer);
553 #endif /* OPENSSL_NO_EC */
555 static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf,
561 if (num == NULL) return(1);
562 neg = (BN_is_negative(num))?"-":"";
563 if(!BIO_indent(bp,off,128))
567 if (BIO_printf(bp, "%s 0\n", number) <= 0)
572 if (BN_num_bytes(num) <= BN_BYTES)
574 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
575 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
581 if (BIO_printf(bp,"%s%s",number,
582 (neg[0] == '-')?" (Negative)":"") <= 0)
584 n=BN_bn2bin(num,&buf[1]);
594 if(BIO_puts(bp,"\n") <= 0
595 || !BIO_indent(bp,off+4,128))
598 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
601 if (BIO_write(bp,"\n",1) <= 0) return(0);
606 #ifndef OPENSSL_NO_EC
607 static int print_bin(BIO *fp, const char *name, const unsigned char *buf,
620 if (BIO_write(fp, str, off) <= 0)
624 if (BIO_printf(fp,"%s", name) <= 0)
627 for (i=0; i<len; i++)
632 memset(&(str[1]),' ',off+4);
633 if (BIO_write(fp, str, off+1+4) <= 0)
636 if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0)
639 if (BIO_write(fp,"\n",1) <= 0)
646 #ifndef OPENSSL_NO_DH
647 #ifndef OPENSSL_NO_FP_API
648 int DHparams_print_fp(FILE *fp, const DH *x)
653 if ((b=BIO_new(BIO_s_file())) == NULL)
655 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
658 BIO_set_fp(b,fp,BIO_NOCLOSE);
659 ret=DHparams_print(b, x);
665 int DHparams_print(BIO *bp, const DH *x)
667 unsigned char *m=NULL;
668 int reason=ERR_R_BUF_LIB,ret=0;
672 buf_len = (size_t)BN_num_bytes(x->p);
674 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
676 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
679 reason=ERR_R_MALLOC_FAILURE;
683 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
684 BN_num_bits(x->p)) <= 0)
686 if (!print(bp,"prime:",x->p,m,4)) goto err;
687 if (!print(bp,"generator:",x->g,m,4)) goto err;
690 if (BIO_printf(bp," recommended-private-length: %d bits\n",
691 (int)x->length) <= 0) goto err;
697 DHerr(DH_F_DHPARAMS_PRINT,reason);
699 if (m != NULL) OPENSSL_free(m);
704 #ifndef OPENSSL_NO_DSA
705 #ifndef OPENSSL_NO_FP_API
706 int DSAparams_print_fp(FILE *fp, const DSA *x)
711 if ((b=BIO_new(BIO_s_file())) == NULL)
713 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
716 BIO_set_fp(b,fp,BIO_NOCLOSE);
717 ret=DSAparams_print(b, x);
723 int DSAparams_print(BIO *bp, const DSA *x)
725 unsigned char *m=NULL;
726 int reason=ERR_R_BUF_LIB,ret=0;
730 buf_len = (size_t)BN_num_bytes(x->p);
732 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
735 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
737 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
740 reason=ERR_R_MALLOC_FAILURE;
744 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
745 BN_num_bits(x->p)) <= 0)
747 if (!print(bp,"p:",x->p,m,4)) goto err;
748 if (!print(bp,"q:",x->q,m,4)) goto err;
749 if (!print(bp,"g:",x->g,m,4)) goto err;
752 if (m != NULL) OPENSSL_free(m);
753 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
757 #endif /* !OPENSSL_NO_DSA */
759 #ifndef OPENSSL_NO_EC
760 #ifndef OPENSSL_NO_FP_API
761 int ECParameters_print_fp(FILE *fp, const EC_KEY *x)
766 if ((b=BIO_new(BIO_s_file())) == NULL)
768 ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
771 BIO_set_fp(b, fp, BIO_NOCLOSE);
772 ret = ECParameters_print(b, x);
778 int ECParameters_print(BIO *bp, const EC_KEY *x)
780 int reason=ERR_R_EC_LIB, ret=0;
782 const EC_GROUP *group;
784 if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
786 reason = ERR_R_PASSED_NULL_PARAMETER;;
790 if ((order = BN_new()) == NULL)
792 reason = ERR_R_MALLOC_FAILURE;
796 if (!EC_GROUP_get_order(group, order, NULL))
798 reason = ERR_R_EC_LIB;
802 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n",
803 BN_num_bits(order)) <= 0)
805 if (!ECPKParameters_print(bp, group, 4))
811 ECerr(EC_F_ECPARAMETERS_PRINT, reason);