| /* crypto/asn1/t_pkey.c */ |
| /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| |
| #include <stdio.h> |
| #include "cryptlib.h" |
| #include "buffer.h" |
| #include "bn.h" |
| #ifndef NO_RSA |
| #include "rsa.h" |
| #endif |
| #ifndef NO_DH |
| #include "dh.h" |
| #endif |
| #ifndef NO_DSA |
| #include "dsa.h" |
| #endif |
| |
| /* DHerr(DH_F_DHPARAMS_PRINT,ERR_R_MALLOC_FAILURE); |
| * DSAerr(DSA_F_DSAPARAMS_PRINT,ERR_R_MALLOC_FAILURE); |
| */ |
| |
| #ifndef NOPROTO |
| static int print(BIO *fp,char *str,BIGNUM *num, |
| unsigned char *buf,int off); |
| #else |
| static int print(); |
| #endif |
| |
| #ifndef NO_RSA |
| #ifndef WIN16 |
| int RSA_print_fp(fp,x,off) |
| FILE *fp; |
| RSA *x; |
| int off; |
| { |
| BIO *b; |
| int ret; |
| |
| if ((b=BIO_new(BIO_s_file())) == NULL) |
| { |
| RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB); |
| return(0); |
| } |
| BIO_set_fp(b,fp,BIO_NOCLOSE); |
| ret=RSA_print(b,x,off); |
| BIO_free(b); |
| return(ret); |
| } |
| #endif |
| |
| int RSA_print(bp,x,off) |
| BIO *bp; |
| RSA *x; |
| int off; |
| { |
| char str[128],*s; |
| unsigned char *m=NULL; |
| int i,ret=0; |
| |
| i=RSA_size(x); |
| m=(unsigned char *)Malloc((unsigned int)i+10); |
| if (m == NULL) |
| { |
| RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE); |
| goto err; |
| } |
| |
| if (off) |
| { |
| if (off > 128) off=128; |
| memset(str,' ',off); |
| } |
| if (x->d != NULL) |
| { |
| if (off && (BIO_write(bp,str,off) <= 0)) goto err; |
| if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n)) |
| <= 0) goto err; |
| } |
| |
| if (x->d == NULL) |
| sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n)); |
| else |
| strcpy(str,"modulus:"); |
| if (!print(bp,str,x->n,m,off)) goto err; |
| s=(x->d == NULL)?"Exponent:":"publicExponent:"; |
| if (!print(bp,s,x->e,m,off)) goto err; |
| if (!print(bp,"privateExponent:",x->d,m,off)) goto err; |
| if (!print(bp,"prime1:",x->p,m,off)) goto err; |
| if (!print(bp,"prime2:",x->q,m,off)) goto err; |
| if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err; |
| if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err; |
| if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err; |
| ret=1; |
| err: |
| if (m != NULL) Free((char *)m); |
| return(ret); |
| } |
| #endif /* NO_RSA */ |
| |
| #ifndef NO_DSA |
| #ifndef WIN16 |
| int DSA_print_fp(fp,x,off) |
| FILE *fp; |
| DSA *x; |
| int off; |
| { |
| BIO *b; |
| int ret; |
| |
| if ((b=BIO_new(BIO_s_file())) == NULL) |
| { |
| DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB); |
| return(0); |
| } |
| BIO_set_fp(b,fp,BIO_NOCLOSE); |
| ret=DSA_print(b,x,off); |
| BIO_free(b); |
| return(ret); |
| } |
| #endif |
| |
| int DSA_print(bp,x,off) |
| BIO *bp; |
| DSA *x; |
| int off; |
| { |
| char str[128]; |
| unsigned char *m=NULL; |
| int i,ret=0; |
| BIGNUM *bn=NULL; |
| |
| if (x->p != NULL) |
| bn=x->p; |
| else if (x->priv_key != NULL) |
| bn=x->priv_key; |
| else if (x->pub_key != NULL) |
| bn=x->pub_key; |
| |
| /* larger than needed but what the hell :-) */ |
| if (bn != NULL) |
| i=BN_num_bytes(bn)*2; |
| else |
| i=256; |
| m=(unsigned char *)Malloc((unsigned int)i+10); |
| if (m == NULL) |
| { |
| DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE); |
| goto err; |
| } |
| |
| if (off) |
| { |
| if (off > 128) off=128; |
| memset(str,' ',off); |
| } |
| if (x->priv_key != NULL) |
| { |
| if (off && (BIO_write(bp,str,off) <= 0)) goto err; |
| if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p)) |
| <= 0) goto err; |
| } |
| |
| if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off)) |
| goto err; |
| if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off)) |
| goto err; |
| if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err; |
| if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err; |
| if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err; |
| ret=1; |
| err: |
| if (m != NULL) Free((char *)m); |
| return(ret); |
| } |
| #endif /* !NO_DSA */ |
| |
| static int print(bp,number,num,buf,off) |
| BIO *bp; |
| char *number; |
| BIGNUM *num; |
| unsigned char *buf; |
| int off; |
| { |
| int n,i; |
| char str[128],*neg; |
| |
| if (num == NULL) return(1); |
| neg=(num->neg)?"-":""; |
| if (off) |
| { |
| if (off > 128) off=128; |
| memset(str,' ',off); |
| if (BIO_write(bp,str,off) <= 0) return(0); |
| } |
| |
| if (BN_num_bytes(num) <= BN_BYTES) |
| { |
| if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg, |
| (unsigned long)num->d[0],neg,(unsigned long)num->d[0]) |
| <= 0) return(0); |
| } |
| else |
| { |
| buf[0]=0; |
| if (BIO_printf(bp,"%s%s",number, |
| (neg[0] == '-')?" (Negative)":"") <= 0) |
| return(0); |
| n=BN_bn2bin(num,&buf[1]); |
| |
| if (buf[1] & 0x80) |
| n++; |
| else buf++; |
| |
| for (i=0; i<n; i++) |
| { |
| if ((i%15) == 0) |
| { |
| str[0]='\n'; |
| memset(&(str[1]),' ',off+4); |
| if (BIO_write(bp,str,off+1+4) <= 0) return(0); |
| } |
| if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":") |
| <= 0) return(0); |
| } |
| if (BIO_write(bp,"\n",1) <= 0) return(0); |
| } |
| return(1); |
| } |
| |
| #ifndef NO_DH |
| #ifndef WIN16 |
| int DHparams_print_fp(fp,x) |
| FILE *fp; |
| DH *x; |
| { |
| BIO *b; |
| int ret; |
| |
| if ((b=BIO_new(BIO_s_file())) == NULL) |
| { |
| DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB); |
| return(0); |
| } |
| BIO_set_fp(b,fp,BIO_NOCLOSE); |
| ret=DHparams_print(b, x); |
| BIO_free(b); |
| return(ret); |
| } |
| #endif |
| |
| int DHparams_print(bp,x) |
| BIO *bp; |
| DH *x; |
| { |
| unsigned char *m=NULL; |
| int reason=ERR_R_BUF_LIB,i,ret=0; |
| |
| i=BN_num_bytes(x->p); |
| m=(unsigned char *)Malloc((unsigned int)i+10); |
| if (m == NULL) |
| { |
| reason=ERR_R_MALLOC_FAILURE; |
| goto err; |
| } |
| |
| if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n", |
| BN_num_bits(x->p)) <= 0) |
| goto err; |
| if (!print(bp,"prime:",x->p,m,4)) goto err; |
| if (!print(bp,"generator:",x->g,m,4)) goto err; |
| if (x->length != 0) |
| { |
| if (BIO_printf(bp," recomented-private-length: %d bits\n", |
| (int)x->length) <= 0) goto err; |
| } |
| ret=1; |
| err: |
| if (m != NULL) Free((char *)m); |
| DHerr(DH_F_DHPARAMS_PRINT,reason); |
| return(ret); |
| } |
| #endif |
| |
| #ifndef NO_DSA |
| #ifndef WIN16 |
| int DSAparams_print_fp(fp,x) |
| FILE *fp; |
| DSA *x; |
| { |
| BIO *b; |
| int ret; |
| |
| if ((b=BIO_new(BIO_s_file())) == NULL) |
| { |
| DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB); |
| return(0); |
| } |
| BIO_set_fp(b,fp,BIO_NOCLOSE); |
| ret=DSAparams_print(b, x); |
| BIO_free(b); |
| return(ret); |
| } |
| #endif |
| |
| int DSAparams_print(bp,x) |
| BIO *bp; |
| DSA *x; |
| { |
| unsigned char *m=NULL; |
| int reason=ERR_R_BUF_LIB,i,ret=0; |
| |
| i=BN_num_bytes(x->p); |
| m=(unsigned char *)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) Free((char *)m); |
| DSAerr(DSA_F_DSAPARAMS_PRINT,reason); |
| return(ret); |
| } |
| |
| #endif /* !NO_DSA */ |
| |