392 lines
9.4 KiB
C
392 lines
9.4 KiB
C
/* crypto/asn1/t_pkey.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include "buffer.h"
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#include "bn.h"
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#ifndef NO_RSA
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#include "rsa.h"
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#endif
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#ifndef NO_DH
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#include "dh.h"
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#endif
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#ifndef NO_DSA
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#include "dsa.h"
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#endif
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/* DHerr(DH_F_DHPARAMS_PRINT,ERR_R_MALLOC_FAILURE);
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* DSAerr(DSA_F_DSAPARAMS_PRINT,ERR_R_MALLOC_FAILURE);
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*/
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#ifndef NOPROTO
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static int print(BIO *fp,char *str,BIGNUM *num,
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unsigned char *buf,int off);
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#else
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static int print();
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#endif
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#ifndef NO_RSA
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#ifndef NO_FP_API
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int RSA_print_fp(fp,x,off)
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FILE *fp;
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RSA *x;
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int off;
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{
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BIO *b;
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int ret;
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if ((b=BIO_new(BIO_s_file())) == NULL)
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{
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RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
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return(0);
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}
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BIO_set_fp(b,fp,BIO_NOCLOSE);
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ret=RSA_print(b,x,off);
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BIO_free(b);
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return(ret);
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}
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#endif
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int RSA_print(bp,x,off)
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BIO *bp;
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RSA *x;
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int off;
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{
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char str[128],*s;
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unsigned char *m=NULL;
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int i,ret=0;
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i=RSA_size(x);
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m=(unsigned char *)Malloc((unsigned int)i+10);
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if (m == NULL)
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{
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RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
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goto err;
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}
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if (off)
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{
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if (off > 128) off=128;
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memset(str,' ',off);
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}
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if (x->d != NULL)
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{
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if (off && (BIO_write(bp,str,off) <= 0)) goto err;
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if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
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<= 0) goto err;
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}
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if (x->d == NULL)
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sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
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else
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strcpy(str,"modulus:");
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if (!print(bp,str,x->n,m,off)) goto err;
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s=(x->d == NULL)?"Exponent:":"publicExponent:";
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if (!print(bp,s,x->e,m,off)) goto err;
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if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
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if (!print(bp,"prime1:",x->p,m,off)) goto err;
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if (!print(bp,"prime2:",x->q,m,off)) goto err;
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if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
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if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
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if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
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ret=1;
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err:
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if (m != NULL) Free((char *)m);
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return(ret);
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}
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#endif /* NO_RSA */
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#ifndef NO_DSA
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#ifndef NO_FP_API
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int DSA_print_fp(fp,x,off)
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FILE *fp;
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DSA *x;
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int off;
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{
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BIO *b;
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int ret;
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if ((b=BIO_new(BIO_s_file())) == NULL)
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{
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DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
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return(0);
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}
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BIO_set_fp(b,fp,BIO_NOCLOSE);
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ret=DSA_print(b,x,off);
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BIO_free(b);
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return(ret);
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}
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#endif
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int DSA_print(bp,x,off)
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BIO *bp;
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DSA *x;
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int off;
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{
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char str[128];
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unsigned char *m=NULL;
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int i,ret=0;
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BIGNUM *bn=NULL;
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if (x->p != NULL)
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bn=x->p;
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else if (x->priv_key != NULL)
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bn=x->priv_key;
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else if (x->pub_key != NULL)
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bn=x->pub_key;
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/* larger than needed but what the hell :-) */
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if (bn != NULL)
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i=BN_num_bytes(bn)*2;
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else
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i=256;
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m=(unsigned char *)Malloc((unsigned int)i+10);
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if (m == NULL)
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{
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DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
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goto err;
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}
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if (off)
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{
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if (off > 128) off=128;
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memset(str,' ',off);
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}
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if (x->priv_key != NULL)
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{
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if (off && (BIO_write(bp,str,off) <= 0)) goto err;
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if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
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<= 0) goto err;
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}
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if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
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goto err;
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if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
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goto err;
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if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
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if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
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if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
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ret=1;
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err:
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if (m != NULL) Free((char *)m);
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return(ret);
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}
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#endif /* !NO_DSA */
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static int print(bp,number,num,buf,off)
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BIO *bp;
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char *number;
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BIGNUM *num;
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unsigned char *buf;
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int off;
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{
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int n,i;
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char str[128],*neg;
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if (num == NULL) return(1);
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neg=(num->neg)?"-":"";
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if (off)
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{
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if (off > 128) off=128;
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memset(str,' ',off);
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if (BIO_write(bp,str,off) <= 0) return(0);
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}
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if (BN_num_bytes(num) <= BN_BYTES)
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{
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if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
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(unsigned long)num->d[0],neg,(unsigned long)num->d[0])
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<= 0) return(0);
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}
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else
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{
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buf[0]=0;
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if (BIO_printf(bp,"%s%s",number,
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(neg[0] == '-')?" (Negative)":"") <= 0)
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return(0);
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n=BN_bn2bin(num,&buf[1]);
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if (buf[1] & 0x80)
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n++;
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else buf++;
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for (i=0; i<n; i++)
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{
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if ((i%15) == 0)
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{
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str[0]='\n';
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memset(&(str[1]),' ',off+4);
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if (BIO_write(bp,str,off+1+4) <= 0) return(0);
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}
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if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
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<= 0) return(0);
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}
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if (BIO_write(bp,"\n",1) <= 0) return(0);
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}
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return(1);
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}
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#ifndef NO_DH
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#ifndef NO_FP_API
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int DHparams_print_fp(fp,x)
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FILE *fp;
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DH *x;
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{
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BIO *b;
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int ret;
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if ((b=BIO_new(BIO_s_file())) == NULL)
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{
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DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
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return(0);
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}
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BIO_set_fp(b,fp,BIO_NOCLOSE);
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ret=DHparams_print(b, x);
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BIO_free(b);
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return(ret);
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}
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#endif
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int DHparams_print(bp,x)
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BIO *bp;
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DH *x;
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{
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unsigned char *m=NULL;
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int reason=ERR_R_BUF_LIB,i,ret=0;
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i=BN_num_bytes(x->p);
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m=(unsigned char *)Malloc((unsigned int)i+10);
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if (m == NULL)
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{
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reason=ERR_R_MALLOC_FAILURE;
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goto err;
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}
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if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
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BN_num_bits(x->p)) <= 0)
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goto err;
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if (!print(bp,"prime:",x->p,m,4)) goto err;
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if (!print(bp,"generator:",x->g,m,4)) goto err;
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if (x->length != 0)
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{
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if (BIO_printf(bp," recomented-private-length: %d bits\n",
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(int)x->length) <= 0) goto err;
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}
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ret=1;
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if (0)
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{
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err:
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DHerr(DH_F_DHPARAMS_PRINT,reason);
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}
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if (m != NULL) Free((char *)m);
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return(ret);
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}
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#endif
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#ifndef NO_DSA
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#ifndef NO_FP_API
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int DSAparams_print_fp(fp,x)
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FILE *fp;
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DSA *x;
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{
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BIO *b;
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int ret;
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if ((b=BIO_new(BIO_s_file())) == NULL)
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{
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DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
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return(0);
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}
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BIO_set_fp(b,fp,BIO_NOCLOSE);
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ret=DSAparams_print(b, x);
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BIO_free(b);
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return(ret);
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}
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#endif
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int DSAparams_print(bp,x)
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BIO *bp;
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DSA *x;
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{
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unsigned char *m=NULL;
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int reason=ERR_R_BUF_LIB,i,ret=0;
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i=BN_num_bytes(x->p);
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m=(unsigned char *)Malloc((unsigned int)i+10);
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if (m == NULL)
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{
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reason=ERR_R_MALLOC_FAILURE;
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goto err;
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}
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if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
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BN_num_bits(x->p)) <= 0)
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goto err;
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if (!print(bp,"p:",x->p,m,4)) goto err;
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if (!print(bp,"q:",x->q,m,4)) goto err;
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if (!print(bp,"g:",x->g,m,4)) goto err;
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ret=1;
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err:
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if (m != NULL) Free((char *)m);
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DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
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return(ret);
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}
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#endif /* !NO_DSA */
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