55
55
* copied and put under another distribution licence
56
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.
65
60
#include "cryptlib.h"
66
61
#include <openssl/objects.h>
67
62
#include <openssl/buffer.h>
68
63
#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;
112
int ret=0, mod_len = 0;
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);
147
mod_len = BN_num_bits(x->n);
151
if(!BIO_indent(bp,off,128))
153
if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len)
158
BIO_snprintf(str,sizeof str,"Modulus (%d bit):", mod_len);
160
BUF_strlcpy(str,"modulus:",sizeof str);
161
if (!print(bp,str,x->n,m,off)) goto err;
162
s=(x->d == NULL)?"Exponent:":"publicExponent:";
163
if ((x->e != NULL) && !print(bp,s,x->e,m,off))
165
if ((x->d != NULL) && !print(bp,"privateExponent:",x->d,m,off))
167
if ((x->p != NULL) && !print(bp,"prime1:",x->p,m,off))
169
if ((x->q != NULL) && !print(bp,"prime2:",x->q,m,off))
171
if ((x->dmp1 != NULL) && !print(bp,"exponent1:",x->dmp1,m,off))
173
if ((x->dmq1 != NULL) && !print(bp,"exponent2:",x->dmq1,m,off))
175
if ((x->iqmp != NULL) && !print(bp,"coefficient:",x->iqmp,m,off))
179
if (m != NULL) OPENSSL_free(m);
182
#endif /* OPENSSL_NO_RSA */
184
#ifndef OPENSSL_NO_DSA
185
#ifndef OPENSSL_NO_FP_API
186
int DSA_print_fp(FILE *fp, const DSA *x, int off)
191
if ((b=BIO_new(BIO_s_file())) == NULL)
193
DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
196
BIO_set_fp(b,fp,BIO_NOCLOSE);
197
ret=DSA_print(b,x,off);
203
int DSA_print(BIO *bp, const DSA *x, int off)
205
unsigned char *m=NULL;
210
buf_len = (size_t)BN_num_bytes(x->p);
213
DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
217
if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
220
if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
223
if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
226
if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
229
m=(unsigned char *)OPENSSL_malloc(buf_len+10);
232
DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
236
if (x->priv_key != NULL)
238
if(!BIO_indent(bp,off,128))
240
if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
244
if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
246
if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
248
if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
249
if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
250
if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
253
if (m != NULL) OPENSSL_free(m);
256
#endif /* !OPENSSL_NO_DSA */
258
#ifndef OPENSSL_NO_EC
259
#ifndef OPENSSL_NO_FP_API
260
int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
265
if ((b=BIO_new(BIO_s_file())) == NULL)
267
ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB);
270
BIO_set_fp(b, fp, BIO_NOCLOSE);
271
ret = ECPKParameters_print(b, x, off);
276
int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off)
281
if ((b=BIO_new(BIO_s_file())) == NULL)
283
ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB);
286
BIO_set_fp(b, fp, BIO_NOCLOSE);
287
ret = EC_KEY_print(b, x, off);
293
int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
295
unsigned char *buffer=NULL;
297
int ret=0, reason=ERR_R_BIO_LIB;
299
const EC_POINT *point=NULL;
300
BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
301
*order=NULL, *cofactor=NULL;
302
const unsigned char *seed;
305
static const char *gen_compressed = "Generator (compressed):";
306
static const char *gen_uncompressed = "Generator (uncompressed):";
307
static const char *gen_hybrid = "Generator (hybrid):";
311
reason = ERR_R_PASSED_NULL_PARAMETER;
315
if (EC_GROUP_get_asn1_flag(x))
317
/* the curve parameter are given by an asn1 OID */
320
if (!BIO_indent(bp, off, 128))
323
nid = EC_GROUP_get_curve_name(x);
327
if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
329
if (BIO_printf(bp, "\n") <= 0)
334
/* explicit parameters */
336
point_conversion_form_t form;
337
int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
339
if (tmp_nid == NID_X9_62_characteristic_two_field)
342
if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
343
(b = BN_new()) == NULL || (order = BN_new()) == NULL ||
344
(cofactor = BN_new()) == NULL)
346
reason = ERR_R_MALLOC_FAILURE;
352
if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
354
reason = ERR_R_EC_LIB;
358
else /* prime field */
360
if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
362
reason = ERR_R_EC_LIB;
367
if ((point = EC_GROUP_get0_generator(x)) == NULL)
369
reason = ERR_R_EC_LIB;
372
if (!EC_GROUP_get_order(x, order, NULL) ||
373
!EC_GROUP_get_cofactor(x, cofactor, NULL))
375
reason = ERR_R_EC_LIB;
379
form = EC_GROUP_get_point_conversion_form(x);
381
if ((gen = EC_POINT_point2bn(x, point,
382
form, NULL, ctx)) == NULL)
384
reason = ERR_R_EC_LIB;
388
buf_len = (size_t)BN_num_bytes(p);
389
if (buf_len < (i = (size_t)BN_num_bytes(a)))
391
if (buf_len < (i = (size_t)BN_num_bytes(b)))
393
if (buf_len < (i = (size_t)BN_num_bytes(gen)))
395
if (buf_len < (i = (size_t)BN_num_bytes(order)))
397
if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
400
if ((seed = EC_GROUP_get0_seed(x)) != NULL)
401
seed_len = EC_GROUP_get_seed_len(x);
404
if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
406
reason = ERR_R_MALLOC_FAILURE;
410
if (!BIO_indent(bp, off, 128))
413
/* print the 'short name' of the field type */
414
if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
420
/* print the 'short name' of the base type OID */
421
int basis_type = EC_GROUP_get_basis_type(x);
425
if (!BIO_indent(bp, off, 128))
428
if (BIO_printf(bp, "Basis Type: %s\n",
429
OBJ_nid2sn(basis_type)) <= 0)
432
/* print the polynomial */
433
if ((p != NULL) && !print(bp, "Polynomial:", p, buffer,
439
if ((p != NULL) && !print(bp, "Prime:", p, buffer,off))
442
if ((a != NULL) && !print(bp, "A: ", a, buffer, off))
444
if ((b != NULL) && !print(bp, "B: ", b, buffer, off))
446
if (form == POINT_CONVERSION_COMPRESSED)
448
if ((gen != NULL) && !print(bp, gen_compressed, gen,
452
else if (form == POINT_CONVERSION_UNCOMPRESSED)
454
if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
458
else /* form == POINT_CONVERSION_HYBRID */
460
if ((gen != NULL) && !print(bp, gen_hybrid, gen,
464
if ((order != NULL) && !print(bp, "Order: ", order,
465
buffer, off)) goto err;
466
if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor,
467
buffer, off)) goto err;
468
if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
474
ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
490
OPENSSL_free(buffer);
494
int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
496
unsigned char *buffer=NULL;
498
int ret=0, reason=ERR_R_BIO_LIB;
499
BIGNUM *pub_key=NULL, *order=NULL;
501
const EC_GROUP *group;
502
const EC_POINT *public_key;
503
const BIGNUM *priv_key;
505
if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
507
reason = ERR_R_PASSED_NULL_PARAMETER;
511
public_key = EC_KEY_get0_public_key(x);
512
if ((pub_key = EC_POINT_point2bn(group, public_key,
513
EC_KEY_get_conv_form(x), NULL, ctx)) == NULL)
515
reason = ERR_R_EC_LIB;
519
buf_len = (size_t)BN_num_bytes(pub_key);
520
priv_key = EC_KEY_get0_private_key(x);
521
if (priv_key != NULL)
523
if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len)
528
if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
530
reason = ERR_R_MALLOC_FAILURE;
534
if (priv_key != NULL)
536
if (!BIO_indent(bp, off, 128))
538
if ((order = BN_new()) == NULL)
540
if (!EC_GROUP_get_order(group, order, NULL))
542
if (BIO_printf(bp, "Private-Key: (%d bit)\n",
543
BN_num_bits(order)) <= 0) goto err;
546
if ((priv_key != NULL) && !print(bp, "priv:", priv_key,
549
if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
552
if (!ECPKParameters_print(bp, group, off))
557
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, const BIGNUM *num, unsigned char *buf,
65
int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
66
unsigned char *buf, int off)
621
#ifndef OPENSSL_NO_EC
622
static int print_bin(BIO *fp, const char *name, const unsigned char *buf,
635
if (BIO_write(fp, str, off) <= 0)
639
if (BIO_printf(fp,"%s", name) <= 0)
642
for (i=0; i<len; i++)
647
memset(&(str[1]),' ',off+4);
648
if (BIO_write(fp, str, off+1+4) <= 0)
651
if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0)
654
if (BIO_write(fp,"\n",1) <= 0)
661
#ifndef OPENSSL_NO_DH
662
#ifndef OPENSSL_NO_FP_API
663
int DHparams_print_fp(FILE *fp, const DH *x)
668
if ((b=BIO_new(BIO_s_file())) == NULL)
670
DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
673
BIO_set_fp(b,fp,BIO_NOCLOSE);
674
ret=DHparams_print(b, x);
680
int DHparams_print(BIO *bp, const DH *x)
682
unsigned char *m=NULL;
683
int reason=ERR_R_BUF_LIB,ret=0;
687
buf_len = (size_t)BN_num_bytes(x->p);
690
reason = ERR_R_PASSED_NULL_PARAMETER;
694
if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
696
m=(unsigned char *)OPENSSL_malloc(buf_len+10);
699
reason=ERR_R_MALLOC_FAILURE;
703
if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
704
BN_num_bits(x->p)) <= 0)
706
if (!print(bp,"prime:",x->p,m,4)) goto err;
707
if (!print(bp,"generator:",x->g,m,4)) goto err;
710
if (BIO_printf(bp," recommended-private-length: %d bits\n",
711
(int)x->length) <= 0) goto err;
717
DHerr(DH_F_DHPARAMS_PRINT,reason);
719
if (m != NULL) OPENSSL_free(m);
724
#ifndef OPENSSL_NO_DSA
725
#ifndef OPENSSL_NO_FP_API
726
int DSAparams_print_fp(FILE *fp, const DSA *x)
731
if ((b=BIO_new(BIO_s_file())) == NULL)
733
DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
736
BIO_set_fp(b,fp,BIO_NOCLOSE);
737
ret=DSAparams_print(b, x);
743
int DSAparams_print(BIO *bp, const DSA *x)
745
unsigned char *m=NULL;
750
buf_len = (size_t)BN_num_bytes(x->p);
753
DSAerr(DSA_F_DSAPARAMS_PRINT,DSA_R_MISSING_PARAMETERS);
757
if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
760
if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
762
m=(unsigned char *)OPENSSL_malloc(buf_len+10);
765
DSAerr(DSA_F_DSAPARAMS_PRINT,ERR_R_MALLOC_FAILURE);
769
if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
770
BN_num_bits(x->p)) <= 0)
772
if (!print(bp,"p:",x->p,m,4)) goto err;
773
if ((x->q != NULL) && !print(bp,"q:",x->q,m,4)) goto err;
774
if ((x->g != NULL) && !print(bp,"g:",x->g,m,4)) goto err;
777
if (m != NULL) OPENSSL_free(m);
781
#endif /* !OPENSSL_NO_DSA */
783
#ifndef OPENSSL_NO_EC
784
#ifndef OPENSSL_NO_FP_API
785
int ECParameters_print_fp(FILE *fp, const EC_KEY *x)
790
if ((b=BIO_new(BIO_s_file())) == NULL)
792
ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
795
BIO_set_fp(b, fp, BIO_NOCLOSE);
796
ret = ECParameters_print(b, x);
802
int ECParameters_print(BIO *bp, const EC_KEY *x)
804
int reason=ERR_R_EC_LIB, ret=0;
806
const EC_GROUP *group;
808
if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
810
reason = ERR_R_PASSED_NULL_PARAMETER;;
814
if ((order = BN_new()) == NULL)
816
reason = ERR_R_MALLOC_FAILURE;
820
if (!EC_GROUP_get_order(group, order, NULL))
822
reason = ERR_R_EC_LIB;
826
if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n",
827
BN_num_bits(order)) <= 0)
829
if (!ECPKParameters_print(bp, group, 4))
835
ECerr(EC_F_ECPARAMETERS_PRINT, reason);