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;
242 EC_POINT *point=NULL;
244 /* TODO: fields other than prime fields */
248 reason = ECDSA_R_MISSING_PARAMETERS;
251 if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
252 (tmp_3 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
254 reason = ERR_R_MALLOC_FAILURE;
257 if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx))
259 reason = ERR_R_EC_LIB;
262 if ((point = EC_GROUP_get0_generator(x->group)) == NULL)
264 reason = ERR_R_EC_LIB;
267 if ((buf_len = EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED, NULL, 0, ctx)) == 0)
269 reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
272 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
274 reason = ERR_R_MALLOC_FAILURE;
277 if (!EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED,
278 buffer, buf_len, ctx)) goto err;
279 if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
281 reason = ERR_R_BN_LIB;
284 if ((i = EC_POINT_point2oct(x->group, x->pub_key, POINT_CONVERSION_COMPRESSED, NULL, 0, ctx)) == 0)
286 reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
289 if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
291 reason = ERR_R_MALLOC_FAILURE;
295 if (!EC_POINT_point2oct(x->group, x->pub_key, POINT_CONVERSION_COMPRESSED,
296 buffer, buf_len, ctx))
298 reason = ERR_R_EC_LIB;
301 if ((tmp_5 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
303 reason = ERR_R_BN_LIB;
307 i = BN_num_bytes(tmp_1)*2;
310 if ((i + 10) > buf_len && (buffer = OPENSSL_realloc(buffer, i+10)) == NULL)
312 reason = ERR_R_MALLOC_FAILURE;
318 if (off > 128) off=128;
321 if (x->priv_key != NULL)
323 if (off && (BIO_write(bp, str, off) <= 0)) goto err;
324 if (BIO_printf(bp, "Private-Key: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
327 if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, buffer, off)) goto err;
328 if ((tmp_5 != NULL) && !print(bp, "pub: ", tmp_5, buffer, off)) goto err;
329 if ((tmp_1 != NULL) && !print(bp, "P: ", tmp_1, buffer, off)) goto err;
330 if ((tmp_2 != NULL) && !print(bp, "A: ", tmp_2, buffer, off)) goto err;
331 if ((tmp_3 != NULL) && !print(bp, "B: ", tmp_3, buffer, off)) goto err;
332 if ((tmp_4 != NULL) && !print(bp, "Gen: ", tmp_4, buffer, off)) goto err;
336 ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
337 if (tmp_1) BN_free(tmp_1);
338 if (tmp_2) BN_free(tmp_2);
339 if (tmp_3) BN_free(tmp_3);
340 if (tmp_4) BN_free(tmp_4);
341 if (tmp_5) BN_free(tmp_5);
342 if (ctx) BN_CTX_free(ctx);
343 if (buffer != NULL) OPENSSL_free(buffer);
348 static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
355 if (num == NULL) return(1);
356 neg=(num->neg)?"-":"";
359 if (off > 128) off=128;
361 if (BIO_write(bp,str,off) <= 0) return(0);
364 if (BN_num_bytes(num) <= BN_BYTES)
366 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
367 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
373 if (BIO_printf(bp,"%s%s",number,
374 (neg[0] == '-')?" (Negative)":"") <= 0)
376 n=BN_bn2bin(num,&buf[1]);
387 memset(&(str[1]),' ',off+4);
388 if (BIO_write(bp,str,off+1+4) <= 0) return(0);
390 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
393 if (BIO_write(bp,"\n",1) <= 0) return(0);
398 #ifndef OPENSSL_NO_DH
399 #ifndef OPENSSL_NO_FP_API
400 int DHparams_print_fp(FILE *fp, const DH *x)
405 if ((b=BIO_new(BIO_s_file())) == NULL)
407 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
410 BIO_set_fp(b,fp,BIO_NOCLOSE);
411 ret=DHparams_print(b, x);
417 int DHparams_print(BIO *bp, const DH *x)
419 unsigned char *m=NULL;
420 int reason=ERR_R_BUF_LIB,i,ret=0;
422 i=BN_num_bytes(x->p);
423 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
426 reason=ERR_R_MALLOC_FAILURE;
430 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
431 BN_num_bits(x->p)) <= 0)
433 if (!print(bp,"prime:",x->p,m,4)) goto err;
434 if (!print(bp,"generator:",x->g,m,4)) goto err;
437 if (BIO_printf(bp," recommended-private-length: %d bits\n",
438 (int)x->length) <= 0) goto err;
444 DHerr(DH_F_DHPARAMS_PRINT,reason);
446 if (m != NULL) OPENSSL_free(m);
451 #ifndef OPENSSL_NO_DSA
452 #ifndef OPENSSL_NO_FP_API
453 int DSAparams_print_fp(FILE *fp, const DSA *x)
458 if ((b=BIO_new(BIO_s_file())) == NULL)
460 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
463 BIO_set_fp(b,fp,BIO_NOCLOSE);
464 ret=DSAparams_print(b, x);
470 int DSAparams_print(BIO *bp, const DSA *x)
472 unsigned char *m=NULL;
473 int reason=ERR_R_BUF_LIB,i,ret=0;
475 i=BN_num_bytes(x->p);
476 m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
479 reason=ERR_R_MALLOC_FAILURE;
483 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
484 BN_num_bits(x->p)) <= 0)
486 if (!print(bp,"p:",x->p,m,4)) goto err;
487 if (!print(bp,"q:",x->q,m,4)) goto err;
488 if (!print(bp,"g:",x->g,m,4)) goto err;
491 if (m != NULL) OPENSSL_free(m);
492 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
496 #endif /* !OPENSSL_NO_DSA */
498 #ifndef OPENSSL_NO_ECDSA
499 #ifndef OPENSSL_NO_FP_API
500 int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x)
505 if ((b=BIO_new(BIO_s_file())) == NULL)
507 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
510 BIO_set_fp(b, fp, BIO_NOCLOSE);
511 ret = ECDSAParameters_print(b, x);
517 int ECDSAParameters_print(BIO *bp, const ECDSA *x)
519 unsigned char *buffer=NULL;
521 int reason=ERR_R_EC_LIB, i, ret=0;
522 BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL, *tmp_4=NULL;
524 EC_POINT *point=NULL;
526 /* TODO: fields other than prime fields */
529 reason = ECDSA_R_MISSING_PARAMETERS;
532 if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
533 (tmp_3 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
535 reason = ERR_R_MALLOC_FAILURE;
538 if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx)) goto err;
539 if ((point = EC_GROUP_get0_generator(x->group)) == NULL) goto err;
540 buf_len = EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED, NULL, 0, ctx);
541 if (!buf_len || (buffer = OPENSSL_malloc(buf_len)) == NULL)
543 reason = ERR_R_MALLOC_FAILURE;
546 if (!EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED, buffer, buf_len, ctx))
548 reason = ERR_R_EC_LIB;
551 if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
553 reason = ERR_R_BN_LIB;
557 i = BN_num_bits(tmp_1) + 10;
558 if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
560 reason=ERR_R_MALLOC_FAILURE;
564 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
565 if (!print(bp, "Prime p:", tmp_1, buffer, 4)) goto err;
566 if (!print(bp, "Curve a:", tmp_2, buffer, 4)) goto err;
567 if (!print(bp, "Curve b:", tmp_3, buffer, 4)) goto err;
568 if (!print(bp, "Generator ( compressed ) :", tmp_4, buffer, 4)) goto err;
571 if (tmp_1) BN_free(tmp_1);
572 if (tmp_2) BN_free(tmp_2);
573 if (tmp_3) BN_free(tmp_3);
574 if (tmp_4) BN_free(tmp_4);
575 if (ctx) BN_CTX_free(ctx);
576 if (buffer) OPENSSL_free(buffer);
577 ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);