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,BIGNUM *num,
83 unsigned char *buf,int off);
84 static int print_bin(BIO *fp, const char *str, const unsigned char *num,
86 #ifndef OPENSSL_NO_RSA
87 #ifndef OPENSSL_NO_FP_API
88 int RSA_print_fp(FILE *fp, const RSA *x, int off)
93 if ((b=BIO_new(BIO_s_file())) == NULL)
95 RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
98 BIO_set_fp(b,fp,BIO_NOCLOSE);
99 ret=RSA_print(b,x,off);
105 int RSA_print(BIO *bp, const RSA *x, int off)
109 unsigned char *m=NULL;
114 buf_len = (size_t)BN_num_bytes(x->n);
116 if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
119 if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
122 if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
125 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
128 if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
131 if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
134 if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
137 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
140 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
146 if (off > 128) off=128;
151 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
152 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
157 sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
159 strcpy(str,"modulus:");
160 if (!print(bp,str,x->n,m,off)) goto err;
161 s=(x->d == NULL)?"Exponent:":"publicExponent:";
162 if (!print(bp,s,x->e,m,off)) goto err;
163 if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
164 if (!print(bp,"prime1:",x->p,m,off)) goto err;
165 if (!print(bp,"prime2:",x->q,m,off)) goto err;
166 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
167 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
168 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
171 if (m != NULL) OPENSSL_free(m);
174 #endif /* OPENSSL_NO_RSA */
176 #ifndef OPENSSL_NO_DSA
177 #ifndef OPENSSL_NO_FP_API
178 int DSA_print_fp(FILE *fp, const DSA *x, int off)
183 if ((b=BIO_new(BIO_s_file())) == NULL)
185 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
188 BIO_set_fp(b,fp,BIO_NOCLOSE);
189 ret=DSA_print(b,x,off);
195 int DSA_print(BIO *bp, const DSA *x, int off)
198 unsigned char *m=NULL;
203 buf_len = (size_t)BN_num_bytes(x->p);
205 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
208 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
211 if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
214 if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
217 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
220 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
226 if (off > 128) off=128;
229 if (x->priv_key != NULL)
231 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
232 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
236 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
238 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
240 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
241 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
242 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
245 if (m != NULL) OPENSSL_free(m);
248 #endif /* !OPENSSL_NO_DSA */
250 #ifndef OPENSSL_NO_EC
251 #ifndef OPENSSL_NO_FP_API
252 int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
257 if ((b=BIO_new(BIO_s_file())) == NULL)
259 ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB);
262 BIO_set_fp(b, fp, BIO_NOCLOSE);
263 ret = ECPKParameters_print(b, x, off);
268 int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off)
273 if ((b=BIO_new(BIO_s_file())) == NULL)
275 ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB);
278 BIO_set_fp(b, fp, BIO_NOCLOSE);
279 ret = EC_KEY_print(b, x, off);
285 int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
288 unsigned char *buffer=NULL;
290 int ret=0, reason=ERR_R_BIO_LIB;
292 EC_POINT *point=NULL;
293 BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
294 *order=NULL, *cofactor=NULL;
295 const unsigned char *seed;
298 static const char *gen_compressed = "Generator (compressed):";
299 static const char *gen_uncompressed = "Generator (uncompressed):";
300 static const char *gen_hybrid = "Generator (hybrid):";
304 reason = ERR_R_PASSED_NULL_PARAMETER;
308 if (EC_GROUP_get_asn1_flag(x))
310 /* the curve parameter are given by an asn1 OID */
317 memset(str, ' ', off);
318 if (BIO_write(bp, str, off) <= 0)
322 nid = EC_GROUP_get_nid(x);
326 if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
328 if (BIO_printf(bp, "\n") <= 0)
333 /* explicit parameters */
335 point_conversion_form_t form;
336 int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
338 if (tmp_nid == NID_X9_62_characteristic_two_field)
341 if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
342 (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
343 (cofactor = BN_new()) == NULL)
345 reason = ERR_R_MALLOC_FAILURE;
351 if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
353 reason = ERR_R_EC_LIB;
357 else /* prime field */
359 if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
361 reason = ERR_R_EC_LIB;
366 if ((point = EC_GROUP_get0_generator(x)) == NULL)
368 reason = ERR_R_EC_LIB;
371 if (!EC_GROUP_get_order(x, order, NULL) ||
372 !EC_GROUP_get_cofactor(x, cofactor, NULL))
374 reason = ERR_R_EC_LIB;
378 form = EC_GROUP_get_point_conversion_form(x);
380 if ((gen = EC_POINT_point2bn(x, point,
381 form, NULL, ctx)) == NULL)
383 reason = ERR_R_EC_LIB;
387 buf_len = (size_t)BN_num_bytes(p);
388 if (buf_len < (i = (size_t)BN_num_bytes(a)))
390 if (buf_len < (i = (size_t)BN_num_bytes(b)))
392 if (buf_len < (i = (size_t)BN_num_bytes(gen)))
394 if (buf_len < (i = (size_t)BN_num_bytes(order)))
396 if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
399 if ((seed = EC_GROUP_get0_seed(x)) != NULL)
400 seed_len = EC_GROUP_get_seed_len(x);
403 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
405 reason = ERR_R_MALLOC_FAILURE;
410 if (off > 128) off=128;
412 if (BIO_write(bp, str, off) <= 0)
415 /* print the 'short name' of the field type */
416 if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
422 /* print the 'short name' of the base type OID */
423 int basis_type = EC_GROUP_get_basis_type(x);
429 if (off > 128) off=128;
431 if (BIO_write(bp, str, off) <= 0)
435 if (BIO_printf(bp, "Basis Type: %s\n",
436 OBJ_nid2sn(basis_type)) <= 0)
439 /* print the polynomial */
440 if ((p != NULL) && !print(bp, "Polynomial:", p, buffer,
446 if ((p != NULL) && !print(bp, "Prime:", p, buffer,off))
449 if ((a != NULL) && !print(bp, "A: ", a, buffer, off))
451 if ((b != NULL) && !print(bp, "B: ", b, buffer, off))
453 if (form == POINT_CONVERSION_COMPRESSED)
455 if ((gen != NULL) && !print(bp, gen_compressed, gen,
459 else if (form == POINT_CONVERSION_UNCOMPRESSED)
461 if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
465 else /* form == POINT_CONVERSION_HYBRID */
467 if ((gen != NULL) && !print(bp, gen_hybrid, gen,
471 if ((order != NULL) && !print(bp, "Order: ", order,
472 buffer, off)) goto err;
473 if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor,
474 buffer, off)) goto err;
475 if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
481 ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
497 OPENSSL_free(buffer);
501 int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
504 unsigned char *buffer=NULL;
506 int ret=0, reason=ERR_R_BIO_LIB;
507 BIGNUM *pub_key=NULL;
512 reason = ERR_R_PASSED_NULL_PARAMETER;
516 if ((pub_key = EC_POINT_point2bn(x->group, x->pub_key,
517 x->conv_form, NULL, ctx)) == NULL)
519 reason = ERR_R_EC_LIB;
523 buf_len = (size_t)BN_num_bytes(pub_key);
526 if ((i = (size_t)BN_num_bytes(x->priv_key)) > buf_len)
531 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
533 reason = ERR_R_MALLOC_FAILURE;
538 if (off > 128) off=128;
541 if (x->priv_key != NULL)
543 if (off && (BIO_write(bp, str, off) <= 0)) goto err;
544 if (BIO_printf(bp, "Private-Key: (%d bit)\n",
545 BN_num_bits(x->priv_key)) <= 0) goto err;
548 if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key,
551 if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
554 if (!ECPKParameters_print(bp, x->group, off))
559 ECerr(EC_F_EC_KEY_PRINT, reason);
565 OPENSSL_free(buffer);
568 #endif /* OPENSSL_NO_EC */
570 static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
577 if (num == NULL) return(1);
578 neg=(num->neg)?"-":"";
581 if (off > 128) off=128;
583 if (BIO_write(bp,str,off) <= 0) return(0);
588 if (BIO_printf(bp, "%s 0\n", number) <= 0)
593 if (BN_num_bytes(num) <= BN_BYTES)
595 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
596 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
602 if (BIO_printf(bp,"%s%s",number,
603 (neg[0] == '-')?" (Negative)":"") <= 0)
605 n=BN_bn2bin(num,&buf[1]);
616 memset(&(str[1]),' ',off+4);
617 if (BIO_write(bp,str,off+1+4) <= 0) return(0);
619 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
622 if (BIO_write(bp,"\n",1) <= 0) return(0);
627 static int print_bin(BIO *fp, const char *name, const unsigned char *buf,
640 if (BIO_write(fp, str, off) <= 0)
644 if (BIO_printf(fp,"%s", name) <= 0)
647 for (i=0; i<len; i++)
652 memset(&(str[1]),' ',off+4);
653 if (BIO_write(fp, str, off+1+4) <= 0)
656 if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0)
659 if (BIO_write(fp,"\n",1) <= 0)
665 #ifndef OPENSSL_NO_DH
666 #ifndef OPENSSL_NO_FP_API
667 int DHparams_print_fp(FILE *fp, const DH *x)
672 if ((b=BIO_new(BIO_s_file())) == NULL)
674 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
677 BIO_set_fp(b,fp,BIO_NOCLOSE);
678 ret=DHparams_print(b, x);
684 int DHparams_print(BIO *bp, const DH *x)
686 unsigned char *m=NULL;
687 int reason=ERR_R_BUF_LIB,ret=0;
691 buf_len = (size_t)BN_num_bytes(x->p);
693 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
695 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
698 reason=ERR_R_MALLOC_FAILURE;
702 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
703 BN_num_bits(x->p)) <= 0)
705 if (!print(bp,"prime:",x->p,m,4)) goto err;
706 if (!print(bp,"generator:",x->g,m,4)) goto err;
709 if (BIO_printf(bp," recommended-private-length: %d bits\n",
710 (int)x->length) <= 0) goto err;
716 DHerr(DH_F_DHPARAMS_PRINT,reason);
718 if (m != NULL) OPENSSL_free(m);
723 #ifndef OPENSSL_NO_DSA
724 #ifndef OPENSSL_NO_FP_API
725 int DSAparams_print_fp(FILE *fp, const DSA *x)
730 if ((b=BIO_new(BIO_s_file())) == NULL)
732 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
735 BIO_set_fp(b,fp,BIO_NOCLOSE);
736 ret=DSAparams_print(b, x);
742 int DSAparams_print(BIO *bp, const DSA *x)
744 unsigned char *m=NULL;
745 int reason=ERR_R_BUF_LIB,ret=0;
749 buf_len = (size_t)BN_num_bytes(x->p);
751 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
754 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
756 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
759 reason=ERR_R_MALLOC_FAILURE;
763 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
764 BN_num_bits(x->p)) <= 0)
766 if (!print(bp,"p:",x->p,m,4)) goto err;
767 if (!print(bp,"q:",x->q,m,4)) goto err;
768 if (!print(bp,"g:",x->g,m,4)) goto err;
771 if (m != NULL) OPENSSL_free(m);
772 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
776 #endif /* !OPENSSL_NO_DSA */
778 #ifndef OPENSSL_NO_EC
779 #ifndef OPENSSL_NO_FP_API
780 int ECParameters_print_fp(FILE *fp, const EC_KEY *x)
785 if ((b=BIO_new(BIO_s_file())) == NULL)
787 ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
790 BIO_set_fp(b, fp, BIO_NOCLOSE);
791 ret = ECParameters_print(b, x);
797 int ECParameters_print(BIO *bp, const EC_KEY *x)
799 int reason=ERR_R_EC_LIB, ret=0;
804 reason = ERR_R_PASSED_NULL_PARAMETER;;
808 if ((order = BN_new()) == NULL)
810 reason = ERR_R_MALLOC_FAILURE;
814 if (!EC_GROUP_get_order(x->group, order, NULL))
816 reason = ERR_R_EC_LIB;
820 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n",
821 BN_num_bits(order)) <= 0)
823 if (!ECPKParameters_print(bp, x->group, 4))
829 ECerr(EC_F_ECPARAMETERS_PRINT, reason);