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>
73 #ifndef OPENSSL_NO_ECDSA
74 #include <openssl/ecdsa.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;
106 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
109 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
115 if (off > 128) off=128;
120 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
121 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
126 sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
128 strcpy(str,"modulus:");
129 if (!print(bp,str,x->n,m,off)) goto err;
130 s=(x->d == NULL)?"Exponent:":"publicExponent:";
131 if (!print(bp,s,x->e,m,off)) goto err;
132 if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
133 if (!print(bp,"prime1:",x->p,m,off)) goto err;
134 if (!print(bp,"prime2:",x->q,m,off)) goto err;
135 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
136 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
137 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
140 if (m != NULL) OPENSSL_free(m);
143 #endif /* OPENSSL_NO_RSA */
145 #ifndef OPENSSL_NO_DSA
146 #ifndef OPENSSL_NO_FP_API
147 int DSA_print_fp(FILE *fp, const DSA *x, int off)
152 if ((b=BIO_new(BIO_s_file())) == NULL)
154 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
157 BIO_set_fp(b,fp,BIO_NOCLOSE);
158 ret=DSA_print(b,x,off);
164 int DSA_print(BIO *bp, const DSA *x, int off)
167 unsigned char *m=NULL;
173 else if (x->priv_key != NULL)
175 else if (x->pub_key != NULL)
178 /* larger than needed but what the hell :-) */
180 i=BN_num_bytes(bn)*2;
183 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
186 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
192 if (off > 128) off=128;
195 if (x->priv_key != NULL)
197 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
198 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
202 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
204 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
206 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
207 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
208 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
211 if (m != NULL) OPENSSL_free(m);
214 #endif /* !OPENSSL_NO_DSA */
216 #ifndef OPENSSL_NO_EC
217 #ifndef OPENSSL_NO_FP_API
218 int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
223 if ((b=BIO_new(BIO_s_file())) == NULL)
225 ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB);
228 BIO_set_fp(b, fp, BIO_NOCLOSE);
229 ret = ECPKParameters_print(b, x, off);
235 int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
238 unsigned char *buffer=NULL;
240 int ret=0, reason=ERR_R_BIO_LIB;
242 EC_POINT *point=NULL;
243 BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
244 *order=NULL, *cofactor=NULL, *seed=NULL;
246 static const char *gen_compressed = "Generator (compressed):";
247 static const char *gen_uncompressed = "Generator (uncompressed):";
248 static const char *gen_hybrid = "Generator (hybrid):";
252 reason = ERR_R_PASSED_NULL_PARAMETER;
256 if (EC_GROUP_get_asn1_flag(x))
258 /* the curve parameter are given by an asn1 OID */
265 memset(str, ' ', off);
266 if (BIO_write(bp, str, off) <= 0)
270 nid = EC_GROUP_get_nid(x);
274 if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
276 if (BIO_printf(bp, "\n") <= 0)
281 /* explicit parameters */
283 point_conversion_form_t form;
285 if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
286 (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
287 (cofactor = BN_new()) == NULL)
289 reason = ERR_R_MALLOC_FAILURE;
293 if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
295 reason = ERR_R_EC_LIB;
299 if ((point = EC_GROUP_get0_generator(x)) == NULL)
301 reason = ERR_R_EC_LIB;
304 if (!EC_GROUP_get_order(x, order, NULL) ||
305 !EC_GROUP_get_cofactor(x, cofactor, NULL))
307 reason = ERR_R_EC_LIB;
311 form = EC_GROUP_get_point_conversion_form(x);
313 if ((gen = EC_POINT_point2bn(x, point,
314 form, NULL, ctx)) == NULL)
316 reason = ERR_R_EC_LIB;
320 buf_len = (size_t)BN_num_bytes(p);
321 if (buf_len < (i = (size_t)BN_num_bytes(a)))
323 if (buf_len < (i = (size_t)BN_num_bytes(b)))
325 if (buf_len < (i = (size_t)BN_num_bytes(gen)))
327 if (buf_len < (i = (size_t)BN_num_bytes(order)))
329 if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
332 if (EC_GROUP_get0_seed(x))
334 seed = BN_bin2bn(EC_GROUP_get0_seed(x),
335 EC_GROUP_get_seed_len(x), NULL);
338 reason = ERR_R_BN_LIB;
341 if (buf_len < (i = (size_t)BN_num_bytes(seed)))
346 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
348 reason = ERR_R_MALLOC_FAILURE;
353 if (off > 128) off=128;
357 if ((p != NULL) && !print(bp, "P: ", p, buffer, off))
359 if ((a != NULL) && !print(bp, "A: ", a, buffer, off))
361 if ((b != NULL) && !print(bp, "B: ", b, buffer, off))
363 if (form == POINT_CONVERSION_COMPRESSED)
365 if ((gen != NULL) && !print(bp, gen_compressed, gen,
369 else if (form == POINT_CONVERSION_UNCOMPRESSED)
371 if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
375 else /* form == POINT_CONVERSION_HYBRID */
377 if ((gen != NULL) && !print(bp, gen_hybrid, gen,
381 if ((order != NULL) && !print(bp, "Order: ", order,
382 buffer, off)) goto err;
383 if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor,
384 buffer, off)) goto err;
385 if ((seed != NULL) && !print(bp, "Seed:", seed,
386 buffer, off)) goto err;
391 ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
409 OPENSSL_free(buffer);
412 #endif /* OPENSSL_NO_EC */
415 #ifndef OPENSSL_NO_ECDSA
416 #ifndef OPENSSL_NO_FP_API
417 int ECDSA_print_fp(FILE *fp, const ECDSA *x, int off)
422 if ((b=BIO_new(BIO_s_file())) == NULL)
424 ECDSAerr(ECDSA_F_ECDSA_PRINT_FP, ERR_R_BIO_LIB);
427 BIO_set_fp(b, fp, BIO_NOCLOSE);
428 ret = ECDSA_print(b, x, off);
434 int ECDSA_print(BIO *bp, const ECDSA *x, int off)
437 unsigned char *buffer=NULL;
439 int ret=0, reason=ERR_R_BIO_LIB;
440 BIGNUM *pub_key=NULL;
445 reason = ERR_R_PASSED_NULL_PARAMETER;
449 if ((pub_key = EC_POINT_point2bn(x->group, x->pub_key,
450 ECDSA_get_conversion_form(x), NULL, ctx)) == NULL)
452 reason = ERR_R_EC_LIB;
456 buf_len = (size_t)BN_num_bytes(pub_key);
459 if ((i = (size_t)BN_num_bytes(x->priv_key)) > buf_len)
464 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
466 reason = ERR_R_MALLOC_FAILURE;
471 if (off > 128) off=128;
474 if (x->priv_key != NULL)
476 if (off && (BIO_write(bp, str, off) <= 0)) goto err;
477 if (BIO_printf(bp, "Private-Key: (%d bit)\n",
478 BN_num_bits(x->priv_key)) <= 0) goto err;
481 if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key,
484 if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
487 if (!ECPKParameters_print(bp, x->group, off))
492 ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
498 OPENSSL_free(buffer);
503 static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
510 if (num == NULL) return(1);
511 neg=(num->neg)?"-":"";
514 if (off > 128) off=128;
516 if (BIO_write(bp,str,off) <= 0) return(0);
519 if (BN_num_bytes(num) <= BN_BYTES)
521 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
522 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
528 if (BIO_printf(bp,"%s%s",number,
529 (neg[0] == '-')?" (Negative)":"") <= 0)
531 n=BN_bn2bin(num,&buf[1]);
542 memset(&(str[1]),' ',off+4);
543 if (BIO_write(bp,str,off+1+4) <= 0) return(0);
545 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
548 if (BIO_write(bp,"\n",1) <= 0) return(0);
553 #ifndef OPENSSL_NO_DH
554 #ifndef OPENSSL_NO_FP_API
555 int DHparams_print_fp(FILE *fp, const DH *x)
560 if ((b=BIO_new(BIO_s_file())) == NULL)
562 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
565 BIO_set_fp(b,fp,BIO_NOCLOSE);
566 ret=DHparams_print(b, x);
572 int DHparams_print(BIO *bp, const DH *x)
574 unsigned char *m=NULL;
575 int reason=ERR_R_BUF_LIB,i,ret=0;
577 i=BN_num_bytes(x->p);
578 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
581 reason=ERR_R_MALLOC_FAILURE;
585 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
586 BN_num_bits(x->p)) <= 0)
588 if (!print(bp,"prime:",x->p,m,4)) goto err;
589 if (!print(bp,"generator:",x->g,m,4)) goto err;
592 if (BIO_printf(bp," recommended-private-length: %d bits\n",
593 (int)x->length) <= 0) goto err;
599 DHerr(DH_F_DHPARAMS_PRINT,reason);
601 if (m != NULL) OPENSSL_free(m);
606 #ifndef OPENSSL_NO_DSA
607 #ifndef OPENSSL_NO_FP_API
608 int DSAparams_print_fp(FILE *fp, const DSA *x)
613 if ((b=BIO_new(BIO_s_file())) == NULL)
615 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
618 BIO_set_fp(b,fp,BIO_NOCLOSE);
619 ret=DSAparams_print(b, x);
625 int DSAparams_print(BIO *bp, const DSA *x)
627 unsigned char *m=NULL;
628 int reason=ERR_R_BUF_LIB,i,ret=0;
630 i=BN_num_bytes(x->p);
631 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
634 reason=ERR_R_MALLOC_FAILURE;
638 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
639 BN_num_bits(x->p)) <= 0)
641 if (!print(bp,"p:",x->p,m,4)) goto err;
642 if (!print(bp,"q:",x->q,m,4)) goto err;
643 if (!print(bp,"g:",x->g,m,4)) goto err;
646 if (m != NULL) OPENSSL_free(m);
647 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
651 #endif /* !OPENSSL_NO_DSA */
653 #ifndef OPENSSL_NO_ECDSA
654 #ifndef OPENSSL_NO_FP_API
655 int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x)
660 if ((b=BIO_new(BIO_s_file())) == NULL)
662 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
665 BIO_set_fp(b, fp, BIO_NOCLOSE);
666 ret = ECDSAParameters_print(b, x);
672 int ECDSAParameters_print(BIO *bp, const ECDSA *x)
674 int reason=ERR_R_EC_LIB, ret=0;
679 reason = ERR_R_PASSED_NULL_PARAMETER;;
683 if ((order = BN_new()) == NULL)
685 reason = ERR_R_MALLOC_FAILURE;
689 if (!EC_GROUP_get_order(x->group, order, NULL))
691 reason = ERR_R_EC_LIB;
695 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n",
696 BN_num_bits(order)) <= 0)
698 if (!ECPKParameters_print(bp, x->group, 4))
704 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);