t_pkey.c revision 55714
155714Skris/* crypto/asn1/t_pkey.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 855714Skris * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1555714Skris * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 2255714Skris * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4055714Skris * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 5255714Skris * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include "cryptlib.h" 6155714Skris#include <openssl/buffer.h> 6255714Skris#include <openssl/bn.h> 6355714Skris#ifndef NO_RSA 6455714Skris#include <openssl/rsa.h> 6555714Skris#endif 6655714Skris#ifndef NO_DH 6755714Skris#include <openssl/dh.h> 6855714Skris#endif 6955714Skris#ifndef NO_DSA 7055714Skris#include <openssl/dsa.h> 7155714Skris#endif 7255714Skris 7355714Skrisstatic int print(BIO *fp,const char *str,BIGNUM *num, 7455714Skris unsigned char *buf,int off); 7555714Skris#ifndef NO_RSA 7655714Skris#ifndef NO_FP_API 7755714Skrisint RSA_print_fp(FILE *fp, RSA *x, int off) 7855714Skris { 7955714Skris BIO *b; 8055714Skris int ret; 8155714Skris 8255714Skris if ((b=BIO_new(BIO_s_file())) == NULL) 8355714Skris { 8455714Skris RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB); 8555714Skris return(0); 8655714Skris } 8755714Skris BIO_set_fp(b,fp,BIO_NOCLOSE); 8855714Skris ret=RSA_print(b,x,off); 8955714Skris BIO_free(b); 9055714Skris return(ret); 9155714Skris } 9255714Skris#endif 9355714Skris 9455714Skrisint RSA_print(BIO *bp, RSA *x, int off) 9555714Skris { 9655714Skris char str[128]; 9755714Skris const char *s; 9855714Skris unsigned char *m=NULL; 9955714Skris int i,ret=0; 10055714Skris 10155714Skris i=RSA_size(x); 10255714Skris m=(unsigned char *)Malloc((unsigned int)i+10); 10355714Skris if (m == NULL) 10455714Skris { 10555714Skris RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE); 10655714Skris goto err; 10755714Skris } 10855714Skris 10955714Skris if (off) 11055714Skris { 11155714Skris if (off > 128) off=128; 11255714Skris memset(str,' ',off); 11355714Skris } 11455714Skris if (x->d != NULL) 11555714Skris { 11655714Skris if (off && (BIO_write(bp,str,off) <= 0)) goto err; 11755714Skris if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n)) 11855714Skris <= 0) goto err; 11955714Skris } 12055714Skris 12155714Skris if (x->d == NULL) 12255714Skris sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n)); 12355714Skris else 12455714Skris strcpy(str,"modulus:"); 12555714Skris if (!print(bp,str,x->n,m,off)) goto err; 12655714Skris s=(x->d == NULL)?"Exponent:":"publicExponent:"; 12755714Skris if (!print(bp,s,x->e,m,off)) goto err; 12855714Skris if (!print(bp,"privateExponent:",x->d,m,off)) goto err; 12955714Skris if (!print(bp,"prime1:",x->p,m,off)) goto err; 13055714Skris if (!print(bp,"prime2:",x->q,m,off)) goto err; 13155714Skris if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err; 13255714Skris if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err; 13355714Skris if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err; 13455714Skris ret=1; 13555714Skriserr: 13655714Skris if (m != NULL) Free((char *)m); 13755714Skris return(ret); 13855714Skris } 13955714Skris#endif /* NO_RSA */ 14055714Skris 14155714Skris#ifndef NO_DSA 14255714Skris#ifndef NO_FP_API 14355714Skrisint DSA_print_fp(FILE *fp, DSA *x, int off) 14455714Skris { 14555714Skris BIO *b; 14655714Skris int ret; 14755714Skris 14855714Skris if ((b=BIO_new(BIO_s_file())) == NULL) 14955714Skris { 15055714Skris DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB); 15155714Skris return(0); 15255714Skris } 15355714Skris BIO_set_fp(b,fp,BIO_NOCLOSE); 15455714Skris ret=DSA_print(b,x,off); 15555714Skris BIO_free(b); 15655714Skris return(ret); 15755714Skris } 15855714Skris#endif 15955714Skris 16055714Skrisint DSA_print(BIO *bp, DSA *x, int off) 16155714Skris { 16255714Skris char str[128]; 16355714Skris unsigned char *m=NULL; 16455714Skris int i,ret=0; 16555714Skris BIGNUM *bn=NULL; 16655714Skris 16755714Skris if (x->p != NULL) 16855714Skris bn=x->p; 16955714Skris else if (x->priv_key != NULL) 17055714Skris bn=x->priv_key; 17155714Skris else if (x->pub_key != NULL) 17255714Skris bn=x->pub_key; 17355714Skris 17455714Skris /* larger than needed but what the hell :-) */ 17555714Skris if (bn != NULL) 17655714Skris i=BN_num_bytes(bn)*2; 17755714Skris else 17855714Skris i=256; 17955714Skris m=(unsigned char *)Malloc((unsigned int)i+10); 18055714Skris if (m == NULL) 18155714Skris { 18255714Skris DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE); 18355714Skris goto err; 18455714Skris } 18555714Skris 18655714Skris if (off) 18755714Skris { 18855714Skris if (off > 128) off=128; 18955714Skris memset(str,' ',off); 19055714Skris } 19155714Skris if (x->priv_key != NULL) 19255714Skris { 19355714Skris if (off && (BIO_write(bp,str,off) <= 0)) goto err; 19455714Skris if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p)) 19555714Skris <= 0) goto err; 19655714Skris } 19755714Skris 19855714Skris if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off)) 19955714Skris goto err; 20055714Skris if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off)) 20155714Skris goto err; 20255714Skris if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err; 20355714Skris if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err; 20455714Skris if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err; 20555714Skris ret=1; 20655714Skriserr: 20755714Skris if (m != NULL) Free((char *)m); 20855714Skris return(ret); 20955714Skris } 21055714Skris#endif /* !NO_DSA */ 21155714Skris 21255714Skrisstatic int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf, 21355714Skris int off) 21455714Skris { 21555714Skris int n,i; 21655714Skris char str[128]; 21755714Skris const char *neg; 21855714Skris 21955714Skris if (num == NULL) return(1); 22055714Skris neg=(num->neg)?"-":""; 22155714Skris if (off) 22255714Skris { 22355714Skris if (off > 128) off=128; 22455714Skris memset(str,' ',off); 22555714Skris if (BIO_write(bp,str,off) <= 0) return(0); 22655714Skris } 22755714Skris 22855714Skris if (BN_num_bytes(num) <= BN_BYTES) 22955714Skris { 23055714Skris if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg, 23155714Skris (unsigned long)num->d[0],neg,(unsigned long)num->d[0]) 23255714Skris <= 0) return(0); 23355714Skris } 23455714Skris else 23555714Skris { 23655714Skris buf[0]=0; 23755714Skris if (BIO_printf(bp,"%s%s",number, 23855714Skris (neg[0] == '-')?" (Negative)":"") <= 0) 23955714Skris return(0); 24055714Skris n=BN_bn2bin(num,&buf[1]); 24155714Skris 24255714Skris if (buf[1] & 0x80) 24355714Skris n++; 24455714Skris else buf++; 24555714Skris 24655714Skris for (i=0; i<n; i++) 24755714Skris { 24855714Skris if ((i%15) == 0) 24955714Skris { 25055714Skris str[0]='\n'; 25155714Skris memset(&(str[1]),' ',off+4); 25255714Skris if (BIO_write(bp,str,off+1+4) <= 0) return(0); 25355714Skris } 25455714Skris if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":") 25555714Skris <= 0) return(0); 25655714Skris } 25755714Skris if (BIO_write(bp,"\n",1) <= 0) return(0); 25855714Skris } 25955714Skris return(1); 26055714Skris } 26155714Skris 26255714Skris#ifndef NO_DH 26355714Skris#ifndef NO_FP_API 26455714Skrisint DHparams_print_fp(FILE *fp, DH *x) 26555714Skris { 26655714Skris BIO *b; 26755714Skris int ret; 26855714Skris 26955714Skris if ((b=BIO_new(BIO_s_file())) == NULL) 27055714Skris { 27155714Skris DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB); 27255714Skris return(0); 27355714Skris } 27455714Skris BIO_set_fp(b,fp,BIO_NOCLOSE); 27555714Skris ret=DHparams_print(b, x); 27655714Skris BIO_free(b); 27755714Skris return(ret); 27855714Skris } 27955714Skris#endif 28055714Skris 28155714Skrisint DHparams_print(BIO *bp, DH *x) 28255714Skris { 28355714Skris unsigned char *m=NULL; 28455714Skris int reason=ERR_R_BUF_LIB,i,ret=0; 28555714Skris 28655714Skris i=BN_num_bytes(x->p); 28755714Skris m=(unsigned char *)Malloc((unsigned int)i+10); 28855714Skris if (m == NULL) 28955714Skris { 29055714Skris reason=ERR_R_MALLOC_FAILURE; 29155714Skris goto err; 29255714Skris } 29355714Skris 29455714Skris if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n", 29555714Skris BN_num_bits(x->p)) <= 0) 29655714Skris goto err; 29755714Skris if (!print(bp,"prime:",x->p,m,4)) goto err; 29855714Skris if (!print(bp,"generator:",x->g,m,4)) goto err; 29955714Skris if (x->length != 0) 30055714Skris { 30155714Skris if (BIO_printf(bp," recomented-private-length: %d bits\n", 30255714Skris (int)x->length) <= 0) goto err; 30355714Skris } 30455714Skris ret=1; 30555714Skris if (0) 30655714Skris { 30755714Skriserr: 30855714Skris DHerr(DH_F_DHPARAMS_PRINT,reason); 30955714Skris } 31055714Skris if (m != NULL) Free((char *)m); 31155714Skris return(ret); 31255714Skris } 31355714Skris#endif 31455714Skris 31555714Skris#ifndef NO_DSA 31655714Skris#ifndef NO_FP_API 31755714Skrisint DSAparams_print_fp(FILE *fp, DSA *x) 31855714Skris { 31955714Skris BIO *b; 32055714Skris int ret; 32155714Skris 32255714Skris if ((b=BIO_new(BIO_s_file())) == NULL) 32355714Skris { 32455714Skris DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB); 32555714Skris return(0); 32655714Skris } 32755714Skris BIO_set_fp(b,fp,BIO_NOCLOSE); 32855714Skris ret=DSAparams_print(b, x); 32955714Skris BIO_free(b); 33055714Skris return(ret); 33155714Skris } 33255714Skris#endif 33355714Skris 33455714Skrisint DSAparams_print(BIO *bp, DSA *x) 33555714Skris { 33655714Skris unsigned char *m=NULL; 33755714Skris int reason=ERR_R_BUF_LIB,i,ret=0; 33855714Skris 33955714Skris i=BN_num_bytes(x->p); 34055714Skris m=(unsigned char *)Malloc((unsigned int)i+10); 34155714Skris if (m == NULL) 34255714Skris { 34355714Skris reason=ERR_R_MALLOC_FAILURE; 34455714Skris goto err; 34555714Skris } 34655714Skris 34755714Skris if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n", 34855714Skris BN_num_bits(x->p)) <= 0) 34955714Skris goto err; 35055714Skris if (!print(bp,"p:",x->p,m,4)) goto err; 35155714Skris if (!print(bp,"q:",x->q,m,4)) goto err; 35255714Skris if (!print(bp,"g:",x->g,m,4)) goto err; 35355714Skris ret=1; 35455714Skriserr: 35555714Skris if (m != NULL) Free((char *)m); 35655714Skris DSAerr(DSA_F_DSAPARAMS_PRINT,reason); 35755714Skris return(ret); 35855714Skris } 35955714Skris 36055714Skris#endif /* !NO_DSA */ 36155714Skris 362