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) ||
270 !EC_GROUP_get_cofactor(x->group, tmp_7, NULL))
272 reason = ERR_R_EC_LIB;
275 if ((tmp_4 = EC_POINT_point2bn(x->group, point,
276 ECDSA_get_conversion_form(x), tmp_4, ctx)) == NULL)
278 reason = ERR_R_EC_LIB;
281 if ((tmp_5 = EC_POINT_point2bn(x->group, x->pub_key,
282 ECDSA_get_conversion_form(x), tmp_5, ctx)) == NULL)
284 reason = ERR_R_EC_LIB;
288 buf_len = BN_num_bytes(tmp_1);
289 if (buf_len < (i = BN_num_bytes(tmp_2))) buf_len = i;
290 if (buf_len < (i = BN_num_bytes(tmp_3))) buf_len = i;
291 if (buf_len < (i = BN_num_bytes(tmp_4))) buf_len = i;
292 if (buf_len < (i = BN_num_bytes(tmp_5))) buf_len = i;
293 if (buf_len < (i = BN_num_bytes(tmp_6))) buf_len = i;
294 if (buf_len < (i = BN_num_bytes(tmp_7))) buf_len = i;
296 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
298 reason = ERR_R_MALLOC_FAILURE;
303 if (off > 128) off=128;
306 if (x->priv_key != NULL)
308 if (off && (BIO_write(bp, str, off) <= 0)) goto err;
309 if (BIO_printf(bp, "Private-Key: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
312 if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, buffer, off)) goto err;
313 if ((tmp_5 != NULL) && !print(bp, "pub: ", tmp_5, buffer, off)) goto err;
314 if ((tmp_1 != NULL) && !print(bp, "P: ", tmp_1, buffer, off)) goto err;
315 if ((tmp_2 != NULL) && !print(bp, "A: ", tmp_2, buffer, off)) goto err;
316 if ((tmp_3 != NULL) && !print(bp, "B: ", tmp_3, buffer, off)) goto err;
317 if ((tmp_4 != NULL) && !print(bp, "Gen: ", tmp_4, buffer, off)) goto err;
318 if ((tmp_6 != NULL) && !print(bp, "Order: ", tmp_6, buffer, off)) goto err;
319 if ((tmp_7 != NULL) && !print(bp, "Cofactor: ", tmp_7, buffer, off)) goto err;
323 ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
324 if (tmp_1) BN_free(tmp_1);
325 if (tmp_2) BN_free(tmp_2);
326 if (tmp_3) BN_free(tmp_3);
327 if (tmp_4) BN_free(tmp_4);
328 if (tmp_5) BN_free(tmp_5);
329 if (tmp_6) BN_free(tmp_6);
330 if (tmp_7) BN_free(tmp_7);
331 if (ctx) BN_CTX_free(ctx);
332 if (buffer != NULL) OPENSSL_free(buffer);
337 static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
344 if (num == NULL) return(1);
345 neg=(num->neg)?"-":"";
348 if (off > 128) off=128;
350 if (BIO_write(bp,str,off) <= 0) return(0);
353 if (BN_num_bytes(num) <= BN_BYTES)
355 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
356 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
362 if (BIO_printf(bp,"%s%s",number,
363 (neg[0] == '-')?" (Negative)":"") <= 0)
365 n=BN_bn2bin(num,&buf[1]);
376 memset(&(str[1]),' ',off+4);
377 if (BIO_write(bp,str,off+1+4) <= 0) return(0);
379 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
382 if (BIO_write(bp,"\n",1) <= 0) return(0);
387 #ifndef OPENSSL_NO_DH
388 #ifndef OPENSSL_NO_FP_API
389 int DHparams_print_fp(FILE *fp, const DH *x)
394 if ((b=BIO_new(BIO_s_file())) == NULL)
396 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
399 BIO_set_fp(b,fp,BIO_NOCLOSE);
400 ret=DHparams_print(b, x);
406 int DHparams_print(BIO *bp, const DH *x)
408 unsigned char *m=NULL;
409 int reason=ERR_R_BUF_LIB,i,ret=0;
411 i=BN_num_bytes(x->p);
412 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
415 reason=ERR_R_MALLOC_FAILURE;
419 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
420 BN_num_bits(x->p)) <= 0)
422 if (!print(bp,"prime:",x->p,m,4)) goto err;
423 if (!print(bp,"generator:",x->g,m,4)) goto err;
426 if (BIO_printf(bp," recommended-private-length: %d bits\n",
427 (int)x->length) <= 0) goto err;
433 DHerr(DH_F_DHPARAMS_PRINT,reason);
435 if (m != NULL) OPENSSL_free(m);
440 #ifndef OPENSSL_NO_DSA
441 #ifndef OPENSSL_NO_FP_API
442 int DSAparams_print_fp(FILE *fp, const DSA *x)
447 if ((b=BIO_new(BIO_s_file())) == NULL)
449 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
452 BIO_set_fp(b,fp,BIO_NOCLOSE);
453 ret=DSAparams_print(b, x);
459 int DSAparams_print(BIO *bp, const DSA *x)
461 unsigned char *m=NULL;
462 int reason=ERR_R_BUF_LIB,i,ret=0;
464 i=BN_num_bytes(x->p);
465 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
468 reason=ERR_R_MALLOC_FAILURE;
472 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
473 BN_num_bits(x->p)) <= 0)
475 if (!print(bp,"p:",x->p,m,4)) goto err;
476 if (!print(bp,"q:",x->q,m,4)) goto err;
477 if (!print(bp,"g:",x->g,m,4)) goto err;
480 if (m != NULL) OPENSSL_free(m);
481 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
485 #endif /* !OPENSSL_NO_DSA */
487 #ifndef OPENSSL_NO_ECDSA
488 #ifndef OPENSSL_NO_FP_API
489 int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x)
494 if ((b=BIO_new(BIO_s_file())) == NULL)
496 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
499 BIO_set_fp(b, fp, BIO_NOCLOSE);
500 ret = ECDSAParameters_print(b, x);
506 int ECDSAParameters_print(BIO *bp, const ECDSA *x)
508 unsigned char *buffer=NULL;
510 int reason=ERR_R_EC_LIB, i, ret=0;
511 BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL, *tmp_4=NULL,
512 *tmp_5=NULL, *tmp_6=NULL;
514 EC_POINT *point=NULL;
516 /* TODO: fields other than prime fields */
519 reason = ECDSA_R_MISSING_PARAMETERS;
522 if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
523 (tmp_3 = BN_new()) == NULL || (tmp_5 = BN_new()) == NULL ||
524 (tmp_6 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
526 reason = ERR_R_MALLOC_FAILURE;
529 if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx)) goto err;
530 if ((point = EC_GROUP_get0_generator(x->group)) == NULL) goto err;
531 if (!EC_GROUP_get_order(x->group, tmp_5, ctx)) goto err;
532 if (!EC_GROUP_get_cofactor(x->group, tmp_6, ctx)) goto err;
534 if ((tmp_4 = EC_POINT_point2bn(x->group, point,
535 ECDSA_get_conversion_form(x), NULL, ctx)) == NULL)
537 reason = ERR_R_EC_LIB;
541 buf_len = BN_num_bytes(tmp_1);
542 if (buf_len < (i = BN_num_bytes(tmp_2))) buf_len = i;
543 if (buf_len < (i = BN_num_bytes(tmp_3))) buf_len = i;
544 if (buf_len < (i = BN_num_bytes(tmp_4))) buf_len = i;
545 if (buf_len < (i = BN_num_bytes(tmp_5))) buf_len = i;
546 if (buf_len < (i = BN_num_bytes(tmp_6))) buf_len = i;
548 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
550 reason=ERR_R_MALLOC_FAILURE;
554 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
555 if (!print(bp, "Prime p:", tmp_1, buffer, 4)) goto err;
556 if (!print(bp, "Curve a:", tmp_2, buffer, 4)) goto err;
557 if (!print(bp, "Curve b:", tmp_3, buffer, 4)) goto err;
558 if (!print(bp, "Generator (compressed):", tmp_4, buffer, 4)) goto err;
559 if (!print(bp, "Order:", tmp_5, buffer, 4)) goto err;
560 if (!print(bp, "Cofactor:", tmp_6, buffer, 4)) goto err;
563 if (tmp_1) BN_free(tmp_1);
564 if (tmp_2) BN_free(tmp_2);
565 if (tmp_3) BN_free(tmp_3);
566 if (tmp_4) BN_free(tmp_4);
567 if (tmp_5) BN_free(tmp_5);
568 if (tmp_6) BN_free(tmp_6);
569 if (ctx) BN_CTX_free(ctx);
570 if (buffer) OPENSSL_free(buffer);
571 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);