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/buffer.h>
62 #include <openssl/bn.h>
63 #ifndef OPENSSL_NO_RSA
64 #include <openssl/rsa.h>
67 #include <openssl/dh.h>
69 #ifndef OPENSSL_NO_DSA
70 #include <openssl/dsa.h>
72 #ifndef OPENSSL_NO_ECDSA
73 #include <openssl/ecdsa.h>
76 static int print(BIO *fp,const char *str,BIGNUM *num,
77 unsigned char *buf,int off);
78 #ifndef OPENSSL_NO_RSA
79 #ifndef OPENSSL_NO_FP_API
80 int RSA_print_fp(FILE *fp, const RSA *x, int off)
85 if ((b=BIO_new(BIO_s_file())) == NULL)
87 RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
90 BIO_set_fp(b,fp,BIO_NOCLOSE);
91 ret=RSA_print(b,x,off);
97 int RSA_print(BIO *bp, const RSA *x, int off)
101 unsigned char *m=NULL;
105 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
108 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
114 if (off > 128) off=128;
119 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
120 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
125 sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
127 strcpy(str,"modulus:");
128 if (!print(bp,str,x->n,m,off)) goto err;
129 s=(x->d == NULL)?"Exponent:":"publicExponent:";
130 if (!print(bp,s,x->e,m,off)) goto err;
131 if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
132 if (!print(bp,"prime1:",x->p,m,off)) goto err;
133 if (!print(bp,"prime2:",x->q,m,off)) goto err;
134 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
135 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
136 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
139 if (m != NULL) OPENSSL_free(m);
142 #endif /* OPENSSL_NO_RSA */
144 #ifndef OPENSSL_NO_DSA
145 #ifndef OPENSSL_NO_FP_API
146 int DSA_print_fp(FILE *fp, const DSA *x, int off)
151 if ((b=BIO_new(BIO_s_file())) == NULL)
153 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
156 BIO_set_fp(b,fp,BIO_NOCLOSE);
157 ret=DSA_print(b,x,off);
163 int DSA_print(BIO *bp, const DSA *x, int off)
166 unsigned char *m=NULL;
172 else if (x->priv_key != NULL)
174 else if (x->pub_key != NULL)
177 /* larger than needed but what the hell :-) */
179 i=BN_num_bytes(bn)*2;
182 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
185 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
191 if (off > 128) off=128;
194 if (x->priv_key != NULL)
196 if (off && (BIO_write(bp,str,off) <= 0)) goto err;
197 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
201 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
203 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
205 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
206 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
207 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
210 if (m != NULL) OPENSSL_free(m);
213 #endif /* !OPENSSL_NO_DSA */
215 #ifndef OPENSSL_NO_ECDSA
216 #ifndef OPENSSL_NO_FP_API
217 int ECDSA_print_fp(FILE *fp, const ECDSA *x, int off)
222 if ((b=BIO_new(BIO_s_file())) == NULL)
224 ECDSAerr(ECDSA_F_ECDSA_PRINT_FP, ERR_R_BIO_LIB);
227 BIO_set_fp(b, fp, BIO_NOCLOSE);
228 ret = ECDSA_print(b, x, off);
234 int ECDSA_print(BIO *bp, const ECDSA *x, int off)
237 unsigned char *buffer=NULL;
238 int i, buf_len=0, ret=0, reason=ERR_R_BIO_LIB;
239 BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL,
240 *tmp_4=NULL, *tmp_5=NULL, *tmp_6=NULL,
243 EC_POINT *point=NULL;
245 /* TODO: fields other than prime fields */
249 reason = ECDSA_R_MISSING_PARAMETERS;
252 if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
253 (tmp_3 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL ||
254 (tmp_6 = BN_new()) == NULL || (tmp_7 = BN_new()) == NULL)
256 reason = ERR_R_MALLOC_FAILURE;
259 if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx))
261 reason = ERR_R_EC_LIB;
264 if ((point = EC_GROUP_get0_generator(x->group)) == NULL)
266 reason = ERR_R_EC_LIB;
269 if (!EC_GROUP_get_order(x->group, tmp_6, NULL) || !EC_GROUP_get_cofactor(x->group, tmp_7, NULL))
271 reason = ERR_R_EC_LIB;
274 if ((buf_len = EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x), NULL, 0, ctx)) == 0)
276 reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
279 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
281 reason = ERR_R_MALLOC_FAILURE;
284 if (!EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x),
285 buffer, buf_len, ctx)) goto err;
286 if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
288 reason = ERR_R_BN_LIB;
291 if ((i = EC_POINT_point2oct(x->group, x->pub_key, ECDSA_get_conversion_form(x), NULL, 0, ctx)) == 0)
293 reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
296 if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
298 reason = ERR_R_MALLOC_FAILURE;
302 if (!EC_POINT_point2oct(x->group, x->pub_key, ECDSA_get_conversion_form(x),
303 buffer, buf_len, ctx))
305 reason = ERR_R_EC_LIB;
308 if ((tmp_5 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
310 reason = ERR_R_BN_LIB;
314 i = BN_num_bytes(tmp_1)*2;
317 if ((i + 10) > buf_len && (buffer = OPENSSL_realloc(buffer, i+10)) == NULL)
319 reason = ERR_R_MALLOC_FAILURE;
325 if (off > 128) off=128;
328 if (x->priv_key != NULL)
330 if (off && (BIO_write(bp, str, off) <= 0)) goto err;
331 if (BIO_printf(bp, "Private-Key: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
334 if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, buffer, off)) goto err;
335 if ((tmp_5 != NULL) && !print(bp, "pub: ", tmp_5, buffer, off)) goto err;
336 if ((tmp_1 != NULL) && !print(bp, "P: ", tmp_1, buffer, off)) goto err;
337 if ((tmp_2 != NULL) && !print(bp, "A: ", tmp_2, buffer, off)) goto err;
338 if ((tmp_3 != NULL) && !print(bp, "B: ", tmp_3, buffer, off)) goto err;
339 if ((tmp_4 != NULL) && !print(bp, "Gen: ", tmp_4, buffer, off)) goto err;
340 if ((tmp_6 != NULL) && !print(bp, "Order: ", tmp_6, buffer, off)) goto err;
341 if ((tmp_7 != NULL) && !print(bp, "Cofactor: ", tmp_7, buffer, off)) goto err;
345 ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
346 if (tmp_1) BN_free(tmp_1);
347 if (tmp_2) BN_free(tmp_2);
348 if (tmp_3) BN_free(tmp_3);
349 if (tmp_4) BN_free(tmp_4);
350 if (tmp_5) BN_free(tmp_5);
351 if (tmp_6) BN_free(tmp_6);
352 if (tmp_7) BN_free(tmp_7);
353 if (ctx) BN_CTX_free(ctx);
354 if (buffer != NULL) OPENSSL_free(buffer);
359 static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
366 if (num == NULL) return(1);
367 neg=(num->neg)?"-":"";
370 if (off > 128) off=128;
372 if (BIO_write(bp,str,off) <= 0) return(0);
375 if (BN_num_bytes(num) <= BN_BYTES)
377 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
378 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
384 if (BIO_printf(bp,"%s%s",number,
385 (neg[0] == '-')?" (Negative)":"") <= 0)
387 n=BN_bn2bin(num,&buf[1]);
398 memset(&(str[1]),' ',off+4);
399 if (BIO_write(bp,str,off+1+4) <= 0) return(0);
401 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
404 if (BIO_write(bp,"\n",1) <= 0) return(0);
409 #ifndef OPENSSL_NO_DH
410 #ifndef OPENSSL_NO_FP_API
411 int DHparams_print_fp(FILE *fp, const DH *x)
416 if ((b=BIO_new(BIO_s_file())) == NULL)
418 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
421 BIO_set_fp(b,fp,BIO_NOCLOSE);
422 ret=DHparams_print(b, x);
428 int DHparams_print(BIO *bp, const DH *x)
430 unsigned char *m=NULL;
431 int reason=ERR_R_BUF_LIB,i,ret=0;
433 i=BN_num_bytes(x->p);
434 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
437 reason=ERR_R_MALLOC_FAILURE;
441 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
442 BN_num_bits(x->p)) <= 0)
444 if (!print(bp,"prime:",x->p,m,4)) goto err;
445 if (!print(bp,"generator:",x->g,m,4)) goto err;
448 if (BIO_printf(bp," recommended-private-length: %d bits\n",
449 (int)x->length) <= 0) goto err;
455 DHerr(DH_F_DHPARAMS_PRINT,reason);
457 if (m != NULL) OPENSSL_free(m);
462 #ifndef OPENSSL_NO_DSA
463 #ifndef OPENSSL_NO_FP_API
464 int DSAparams_print_fp(FILE *fp, const DSA *x)
469 if ((b=BIO_new(BIO_s_file())) == NULL)
471 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
474 BIO_set_fp(b,fp,BIO_NOCLOSE);
475 ret=DSAparams_print(b, x);
481 int DSAparams_print(BIO *bp, const DSA *x)
483 unsigned char *m=NULL;
484 int reason=ERR_R_BUF_LIB,i,ret=0;
486 i=BN_num_bytes(x->p);
487 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
490 reason=ERR_R_MALLOC_FAILURE;
494 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
495 BN_num_bits(x->p)) <= 0)
497 if (!print(bp,"p:",x->p,m,4)) goto err;
498 if (!print(bp,"q:",x->q,m,4)) goto err;
499 if (!print(bp,"g:",x->g,m,4)) goto err;
502 if (m != NULL) OPENSSL_free(m);
503 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
507 #endif /* !OPENSSL_NO_DSA */
509 #ifndef OPENSSL_NO_ECDSA
510 #ifndef OPENSSL_NO_FP_API
511 int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x)
516 if ((b=BIO_new(BIO_s_file())) == NULL)
518 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
521 BIO_set_fp(b, fp, BIO_NOCLOSE);
522 ret = ECDSAParameters_print(b, x);
528 int ECDSAParameters_print(BIO *bp, const ECDSA *x)
530 unsigned char *buffer=NULL;
532 int reason=ERR_R_EC_LIB, i, ret=0;
533 BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL, *tmp_4=NULL,
534 *tmp_5=NULL, *tmp_6=NULL;
536 EC_POINT *point=NULL;
538 /* TODO: fields other than prime fields */
541 reason = ECDSA_R_MISSING_PARAMETERS;
544 if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
545 (tmp_3 = BN_new()) == NULL || (tmp_5 = BN_new()) == NULL ||
546 (tmp_6 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
548 reason = ERR_R_MALLOC_FAILURE;
551 if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx)) goto err;
552 if ((point = EC_GROUP_get0_generator(x->group)) == NULL) goto err;
553 if (!EC_GROUP_get_order(x->group, tmp_5, ctx)) goto err;
554 if (!EC_GROUP_get_cofactor(x->group, tmp_6, ctx)) goto err;
555 buf_len = EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x), NULL, 0, ctx);
556 if (!buf_len || (buffer = OPENSSL_malloc(buf_len)) == NULL)
558 reason = ERR_R_MALLOC_FAILURE;
561 if (!EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x), buffer, buf_len, ctx))
563 reason = ERR_R_EC_LIB;
566 if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
568 reason = ERR_R_BN_LIB;
572 i = BN_num_bits(tmp_1) + 10;
573 if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
575 reason=ERR_R_MALLOC_FAILURE;
579 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
580 if (!print(bp, "Prime p:", tmp_1, buffer, 4)) goto err;
581 if (!print(bp, "Curve a:", tmp_2, buffer, 4)) goto err;
582 if (!print(bp, "Curve b:", tmp_3, buffer, 4)) goto err;
583 if (!print(bp, "Generator (compressed):", tmp_4, buffer, 4)) goto err;
584 if (!print(bp, "Order:", tmp_5, buffer, 4)) goto err;
585 if (!print(bp, "Cofactor:", tmp_6, buffer, 4)) goto err;
588 if (tmp_1) BN_free(tmp_1);
589 if (tmp_2) BN_free(tmp_2);
590 if (tmp_3) BN_free(tmp_3);
591 if (tmp_4) BN_free(tmp_4);
592 if (tmp_5) BN_free(tmp_5);
593 if (tmp_6) BN_free(tmp_6);
594 if (ctx) BN_CTX_free(ctx);
595 if (buffer) OPENSSL_free(buffer);
596 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);