1/* crypto/asn1/t_pkey.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 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. 8 * 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). 15 * 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. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 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)" 40 * 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 51 * SUCH DAMAGE. 52 * 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.] 57 */ 58 59#include <stdio.h> 60#include "cryptlib.h" 61#include <openssl/buffer.h> 62#include <openssl/bn.h> 63#ifndef OPENSSL_NO_RSA 64#include <openssl/rsa.h> 65#endif 66#ifndef OPENSSL_NO_DH 67#include <openssl/dh.h> 68#endif 69#ifndef OPENSSL_NO_DSA 70#include <openssl/dsa.h> 71#endif 72 73static int print(BIO *fp,const char *str,BIGNUM *num, 74 unsigned char *buf,int off); 75#ifndef OPENSSL_NO_RSA 76#ifndef OPENSSL_NO_FP_API 77int RSA_print_fp(FILE *fp, const RSA *x, int off) 78 { 79 BIO *b; 80 int ret; 81 82 if ((b=BIO_new(BIO_s_file())) == NULL) 83 { 84 RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB); 85 return(0); 86 } 87 BIO_set_fp(b,fp,BIO_NOCLOSE); 88 ret=RSA_print(b,x,off); 89 BIO_free(b); 90 return(ret); 91 } 92#endif 93 94int RSA_print(BIO *bp, const RSA *x, int off) 95 { 96 char str[128]; 97 const char *s; 98 unsigned char *m=NULL; 99 int ret=0; 100 size_t buf_len=0, i; 101 102 if (x->n) 103 buf_len = (size_t)BN_num_bytes(x->n); 104 if (x->e) 105 if (buf_len < (i = (size_t)BN_num_bytes(x->e))) 106 buf_len = i; 107 if (x->d) 108 if (buf_len < (i = (size_t)BN_num_bytes(x->d))) 109 buf_len = i; 110 if (x->p) 111 if (buf_len < (i = (size_t)BN_num_bytes(x->p))) 112 buf_len = i; 113 if (x->q) 114 if (buf_len < (i = (size_t)BN_num_bytes(x->q))) 115 buf_len = i; 116 if (x->dmp1) 117 if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1))) 118 buf_len = i; 119 if (x->dmq1) 120 if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1))) 121 buf_len = i; 122 if (x->iqmp) 123 if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp))) 124 buf_len = i; 125 126 m=(unsigned char *)OPENSSL_malloc(buf_len+10); 127 if (m == NULL) 128 { 129 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE); 130 goto err; 131 } 132 133 if (x->d != NULL) 134 { 135 if(!BIO_indent(bp,off,128)) 136 goto err; 137 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n)) 138 <= 0) goto err; 139 } 140 141 if (x->d == NULL) 142 BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n)); 143 else 144 BUF_strlcpy(str,"modulus:",sizeof str); 145 if (!print(bp,str,x->n,m,off)) goto err; 146 s=(x->d == NULL)?"Exponent:":"publicExponent:"; 147 if (!print(bp,s,x->e,m,off)) goto err; 148 if (!print(bp,"privateExponent:",x->d,m,off)) goto err; 149 if (!print(bp,"prime1:",x->p,m,off)) goto err; 150 if (!print(bp,"prime2:",x->q,m,off)) goto err; 151 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err; 152 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err; 153 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err; 154 ret=1; 155err: 156 if (m != NULL) OPENSSL_free(m); 157 return(ret); 158 } 159#endif /* OPENSSL_NO_RSA */ 160 161#ifndef OPENSSL_NO_DSA 162#ifndef OPENSSL_NO_FP_API 163int DSA_print_fp(FILE *fp, const DSA *x, int off) 164 { 165 BIO *b; 166 int ret; 167 168 if ((b=BIO_new(BIO_s_file())) == NULL) 169 { 170 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB); 171 return(0); 172 } 173 BIO_set_fp(b,fp,BIO_NOCLOSE); 174 ret=DSA_print(b,x,off); 175 BIO_free(b); 176 return(ret); 177 } 178#endif 179 180int DSA_print(BIO *bp, const DSA *x, int off) 181 { 182 unsigned char *m=NULL; 183 int ret=0; 184 size_t buf_len=0,i; 185 186 if (x->p) 187 buf_len = (size_t)BN_num_bytes(x->p); 188 if (x->q) 189 if (buf_len < (i = (size_t)BN_num_bytes(x->q))) 190 buf_len = i; 191 if (x->g) 192 if (buf_len < (i = (size_t)BN_num_bytes(x->g))) 193 buf_len = i; 194 if (x->priv_key) 195 if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key))) 196 buf_len = i; 197 if (x->pub_key) 198 if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key))) 199 buf_len = i; 200 201 m=(unsigned char *)OPENSSL_malloc(buf_len+10); 202 if (m == NULL) 203 { 204 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE); 205 goto err; 206 } 207 208 if (x->priv_key != NULL) 209 { 210 if(!BIO_indent(bp,off,128)) 211 goto err; 212 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p)) 213 <= 0) goto err; 214 } 215 216 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off)) 217 goto err; 218 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off)) 219 goto err; 220 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err; 221 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err; 222 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err; 223 ret=1; 224err: 225 if (m != NULL) OPENSSL_free(m); 226 return(ret); 227 } 228#endif /* !OPENSSL_NO_DSA */ 229 230static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf, 231 int off) 232 { 233 int n,i; 234 const char *neg; 235 236 if (num == NULL) return(1); 237 neg=(num->neg)?"-":""; 238 if(!BIO_indent(bp,off,128)) 239 return 0; 240 241 if (BN_num_bytes(num) <= BN_BYTES) 242 { 243 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg, 244 (unsigned long)num->d[0],neg,(unsigned long)num->d[0]) 245 <= 0) return(0); 246 } 247 else 248 { 249 buf[0]=0; 250 if (BIO_printf(bp,"%s%s",number, 251 (neg[0] == '-')?" (Negative)":"") <= 0) 252 return(0); 253 n=BN_bn2bin(num,&buf[1]); 254 255 if (buf[1] & 0x80) 256 n++; 257 else buf++; 258 259 for (i=0; i<n; i++) 260 { 261 if ((i%15) == 0) 262 { 263 if(BIO_puts(bp,"\n") <= 0 264 || !BIO_indent(bp,off+4,128)) 265 return 0; 266 } 267 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":") 268 <= 0) return(0); 269 } 270 if (BIO_write(bp,"\n",1) <= 0) return(0); 271 } 272 return(1); 273 } 274 275#ifndef OPENSSL_NO_DH 276#ifndef OPENSSL_NO_FP_API 277int DHparams_print_fp(FILE *fp, const DH *x) 278 { 279 BIO *b; 280 int ret; 281 282 if ((b=BIO_new(BIO_s_file())) == NULL) 283 { 284 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB); 285 return(0); 286 } 287 BIO_set_fp(b,fp,BIO_NOCLOSE); 288 ret=DHparams_print(b, x); 289 BIO_free(b); 290 return(ret); 291 } 292#endif 293 294int DHparams_print(BIO *bp, const DH *x) 295 { 296 unsigned char *m=NULL; 297 int reason=ERR_R_BUF_LIB,ret=0; 298 size_t buf_len=0, i; 299 300 if (x->p) 301 buf_len = (size_t)BN_num_bytes(x->p); 302 if (x->g) 303 if (buf_len < (i = (size_t)BN_num_bytes(x->g))) 304 buf_len = i; 305 m=(unsigned char *)OPENSSL_malloc(buf_len+10); 306 if (m == NULL) 307 { 308 reason=ERR_R_MALLOC_FAILURE; 309 goto err; 310 } 311 312 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n", 313 BN_num_bits(x->p)) <= 0) 314 goto err; 315 if (!print(bp,"prime:",x->p,m,4)) goto err; 316 if (!print(bp,"generator:",x->g,m,4)) goto err; 317 if (x->length != 0) 318 { 319 if (BIO_printf(bp," recommended-private-length: %d bits\n", 320 (int)x->length) <= 0) goto err; 321 } 322 ret=1; 323 if (0) 324 { 325err: 326 DHerr(DH_F_DHPARAMS_PRINT,reason); 327 } 328 if (m != NULL) OPENSSL_free(m); 329 return(ret); 330 } 331#endif 332 333#ifndef OPENSSL_NO_DSA 334#ifndef OPENSSL_NO_FP_API 335int DSAparams_print_fp(FILE *fp, const DSA *x) 336 { 337 BIO *b; 338 int ret; 339 340 if ((b=BIO_new(BIO_s_file())) == NULL) 341 { 342 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB); 343 return(0); 344 } 345 BIO_set_fp(b,fp,BIO_NOCLOSE); 346 ret=DSAparams_print(b, x); 347 BIO_free(b); 348 return(ret); 349 } 350#endif 351 352int DSAparams_print(BIO *bp, const DSA *x) 353 { 354 unsigned char *m=NULL; 355 int reason=ERR_R_BUF_LIB,ret=0; 356 size_t buf_len=0,i; 357 358 if (x->p) 359 buf_len = (size_t)BN_num_bytes(x->p); 360 if (x->q) 361 if (buf_len < (i = (size_t)BN_num_bytes(x->q))) 362 buf_len = i; 363 if (x->g) 364 if (buf_len < (i = (size_t)BN_num_bytes(x->g))) 365 buf_len = i; 366 m=(unsigned char *)OPENSSL_malloc(buf_len+10); 367 if (m == NULL) 368 { 369 reason=ERR_R_MALLOC_FAILURE; 370 goto err; 371 } 372 373 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n", 374 BN_num_bits(x->p)) <= 0) 375 goto err; 376 if (!print(bp,"p:",x->p,m,4)) goto err; 377 if (!print(bp,"q:",x->q,m,4)) goto err; 378 if (!print(bp,"g:",x->g,m,4)) goto err; 379 ret=1; 380err: 381 if (m != NULL) OPENSSL_free(m); 382 DSAerr(DSA_F_DSAPARAMS_PRINT,reason); 383 return(ret); 384 } 385 386#endif /* !OPENSSL_NO_DSA */ 387 388