600 lines
16 KiB
C
600 lines
16 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 <openssl/buffer.h>
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#include <openssl/bn.h>
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#ifndef OPENSSL_NO_RSA
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#include <openssl/rsa.h>
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#endif
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#ifndef OPENSSL_NO_DH
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#include <openssl/dh.h>
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#endif
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#ifndef OPENSSL_NO_DSA
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#include <openssl/dsa.h>
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#endif
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#ifndef OPENSSL_NO_ECDSA
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#include <openssl/ecdsa.h>
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#endif
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static int print(BIO *fp,const char *str,BIGNUM *num,
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unsigned char *buf,int off);
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#ifndef OPENSSL_NO_RSA
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#ifndef OPENSSL_NO_FP_API
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int RSA_print_fp(FILE *fp, const RSA *x, 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(BIO *bp, const RSA *x, int off)
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{
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char str[128];
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const char *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 *)OPENSSL_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) OPENSSL_free(m);
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return(ret);
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}
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#endif /* OPENSSL_NO_RSA */
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#ifndef OPENSSL_NO_DSA
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#ifndef OPENSSL_NO_FP_API
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int DSA_print_fp(FILE *fp, const DSA *x, 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(BIO *bp, const DSA *x, 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 *)OPENSSL_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) OPENSSL_free(m);
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return(ret);
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}
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#endif /* !OPENSSL_NO_DSA */
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#ifndef OPENSSL_NO_ECDSA
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#ifndef OPENSSL_NO_FP_API
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int ECDSA_print_fp(FILE *fp, const ECDSA *x, 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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ECDSAerr(ECDSA_F_ECDSA_PRINT_FP, ERR_R_BIO_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 = ECDSA_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 ECDSA_print(BIO *bp, const ECDSA *x, int off)
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{
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char str[128];
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unsigned char *buffer=NULL;
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int i, buf_len=0, ret=0, reason=ERR_R_BIO_LIB;
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BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL,
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*tmp_4=NULL, *tmp_5=NULL, *tmp_6=NULL,
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*tmp_7=NULL;
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BN_CTX *ctx=NULL;
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EC_POINT *point=NULL;
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/* TODO: fields other than prime fields */
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if (!x || !x->group)
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{
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reason = ECDSA_R_MISSING_PARAMETERS;
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goto err;
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}
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if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
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(tmp_3 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL ||
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(tmp_6 = BN_new()) == NULL || (tmp_7 = BN_new()) == 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 (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx))
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{
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reason = ERR_R_EC_LIB;
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goto err;
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}
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if ((point = EC_GROUP_get0_generator(x->group)) == NULL)
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{
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reason = ERR_R_EC_LIB;
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goto err;
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}
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if (!EC_GROUP_get_order(x->group, tmp_6, NULL) || !EC_GROUP_get_cofactor(x->group, tmp_7, NULL))
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{
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reason = ERR_R_EC_LIB;
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goto err;
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}
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if ((buf_len = EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x), NULL, 0, ctx)) == 0)
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{
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reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
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goto err;
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}
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if ((buffer = OPENSSL_malloc(buf_len)) == 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 (!EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x),
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buffer, buf_len, ctx)) goto err;
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if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
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{
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reason = ERR_R_BN_LIB;
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goto err;
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}
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if ((i = EC_POINT_point2oct(x->group, x->pub_key, ECDSA_get_conversion_form(x), NULL, 0, ctx)) == 0)
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{
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reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
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goto err;
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}
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if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
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{
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reason = ERR_R_MALLOC_FAILURE;
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buf_len = i;
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goto err;
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}
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if (!EC_POINT_point2oct(x->group, x->pub_key, ECDSA_get_conversion_form(x),
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buffer, buf_len, ctx))
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{
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reason = ERR_R_EC_LIB;
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goto err;
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}
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if ((tmp_5 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
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{
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reason = ERR_R_BN_LIB;
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goto err;
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}
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if (tmp_1 != NULL)
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i = BN_num_bytes(tmp_1)*2;
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else
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i=256;
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if ((i + 10) > buf_len && (buffer = OPENSSL_realloc(buffer, i+10)) == NULL)
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{
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reason = ERR_R_MALLOC_FAILURE;
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buf_len = i;
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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(tmp_1)) <= 0) goto err;
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}
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if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, buffer, off)) goto err;
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if ((tmp_5 != NULL) && !print(bp, "pub: ", tmp_5, buffer, off)) goto err;
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if ((tmp_1 != NULL) && !print(bp, "P: ", tmp_1, buffer, off)) goto err;
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if ((tmp_2 != NULL) && !print(bp, "A: ", tmp_2, buffer, off)) goto err;
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if ((tmp_3 != NULL) && !print(bp, "B: ", tmp_3, buffer, off)) goto err;
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if ((tmp_4 != NULL) && !print(bp, "Gen: ", tmp_4, buffer, off)) goto err;
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if ((tmp_6 != NULL) && !print(bp, "Order: ", tmp_6, buffer, off)) goto err;
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if ((tmp_7 != NULL) && !print(bp, "Cofactor: ", tmp_7, buffer, off)) goto err;
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ret=1;
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err:
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if (!ret)
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ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
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if (tmp_1) BN_free(tmp_1);
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if (tmp_2) BN_free(tmp_2);
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if (tmp_3) BN_free(tmp_3);
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if (tmp_4) BN_free(tmp_4);
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if (tmp_5) BN_free(tmp_5);
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if (tmp_6) BN_free(tmp_6);
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if (tmp_7) BN_free(tmp_7);
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if (ctx) BN_CTX_free(ctx);
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if (buffer != NULL) OPENSSL_free(buffer);
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return(ret);
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}
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#endif
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static int print(BIO *bp, const char *number, BIGNUM *num, 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];
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const char *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 OPENSSL_NO_DH
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#ifndef OPENSSL_NO_FP_API
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int DHparams_print_fp(FILE *fp, const 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(BIO *bp, const 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 *)OPENSSL_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," recommended-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) OPENSSL_free(m);
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return(ret);
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}
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#endif
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#ifndef OPENSSL_NO_DSA
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#ifndef OPENSSL_NO_FP_API
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int DSAparams_print_fp(FILE *fp, const 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(BIO *bp, const DSA *x)
|
|
{
|
|
unsigned char *m=NULL;
|
|
int reason=ERR_R_BUF_LIB,i,ret=0;
|
|
|
|
i=BN_num_bytes(x->p);
|
|
m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
|
|
if (m == NULL)
|
|
{
|
|
reason=ERR_R_MALLOC_FAILURE;
|
|
goto err;
|
|
}
|
|
|
|
if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
|
|
BN_num_bits(x->p)) <= 0)
|
|
goto err;
|
|
if (!print(bp,"p:",x->p,m,4)) goto err;
|
|
if (!print(bp,"q:",x->q,m,4)) goto err;
|
|
if (!print(bp,"g:",x->g,m,4)) goto err;
|
|
ret=1;
|
|
err:
|
|
if (m != NULL) OPENSSL_free(m);
|
|
DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
|
|
return(ret);
|
|
}
|
|
|
|
#endif /* !OPENSSL_NO_DSA */
|
|
|
|
#ifndef OPENSSL_NO_ECDSA
|
|
#ifndef OPENSSL_NO_FP_API
|
|
int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x)
|
|
{
|
|
BIO *b;
|
|
int ret;
|
|
|
|
if ((b=BIO_new(BIO_s_file())) == NULL)
|
|
{
|
|
ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
|
|
return(0);
|
|
}
|
|
BIO_set_fp(b, fp, BIO_NOCLOSE);
|
|
ret = ECDSAParameters_print(b, x);
|
|
BIO_free(b);
|
|
return(ret);
|
|
}
|
|
#endif
|
|
|
|
int ECDSAParameters_print(BIO *bp, const ECDSA *x)
|
|
{
|
|
unsigned char *buffer=NULL;
|
|
int buf_len;
|
|
int reason=ERR_R_EC_LIB, i, ret=0;
|
|
BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL, *tmp_4=NULL,
|
|
*tmp_5=NULL, *tmp_6=NULL;
|
|
BN_CTX *ctx=NULL;
|
|
EC_POINT *point=NULL;
|
|
|
|
/* TODO: fields other than prime fields */
|
|
if (!x || !x->group)
|
|
{
|
|
reason = ECDSA_R_MISSING_PARAMETERS;
|
|
goto err;
|
|
}
|
|
if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
|
|
(tmp_3 = BN_new()) == NULL || (tmp_5 = BN_new()) == NULL ||
|
|
(tmp_6 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
|
|
{
|
|
reason = ERR_R_MALLOC_FAILURE;
|
|
goto err;
|
|
}
|
|
if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx)) goto err;
|
|
if ((point = EC_GROUP_get0_generator(x->group)) == NULL) goto err;
|
|
if (!EC_GROUP_get_order(x->group, tmp_5, ctx)) goto err;
|
|
if (!EC_GROUP_get_cofactor(x->group, tmp_6, ctx)) goto err;
|
|
buf_len = EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x), NULL, 0, ctx);
|
|
if (!buf_len || (buffer = OPENSSL_malloc(buf_len)) == NULL)
|
|
{
|
|
reason = ERR_R_MALLOC_FAILURE;
|
|
goto err;
|
|
}
|
|
if (!EC_POINT_point2oct(x->group, point, ECDSA_get_conversion_form(x), buffer, buf_len, ctx))
|
|
{
|
|
reason = ERR_R_EC_LIB;
|
|
goto err;
|
|
}
|
|
if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
|
|
{
|
|
reason = ERR_R_BN_LIB;
|
|
goto err;
|
|
}
|
|
|
|
i = BN_num_bits(tmp_1) + 10;
|
|
if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
|
|
{
|
|
reason=ERR_R_MALLOC_FAILURE;
|
|
goto err;
|
|
}
|
|
|
|
if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
|
|
if (!print(bp, "Prime p:", tmp_1, buffer, 4)) goto err;
|
|
if (!print(bp, "Curve a:", tmp_2, buffer, 4)) goto err;
|
|
if (!print(bp, "Curve b:", tmp_3, buffer, 4)) goto err;
|
|
if (!print(bp, "Generator (compressed):", tmp_4, buffer, 4)) goto err;
|
|
if (!print(bp, "Order:", tmp_5, buffer, 4)) goto err;
|
|
if (!print(bp, "Cofactor:", tmp_6, buffer, 4)) goto err;
|
|
ret=1;
|
|
err:
|
|
if (tmp_1) BN_free(tmp_1);
|
|
if (tmp_2) BN_free(tmp_2);
|
|
if (tmp_3) BN_free(tmp_3);
|
|
if (tmp_4) BN_free(tmp_4);
|
|
if (tmp_5) BN_free(tmp_5);
|
|
if (tmp_6) BN_free(tmp_6);
|
|
if (ctx) BN_CTX_free(ctx);
|
|
if (buffer) OPENSSL_free(buffer);
|
|
ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);
|
|
return(ret);
|
|
}
|
|
|
|
#endif
|