1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #include <openssl/asn1.h> 58 59 #include <openssl/bio.h> 60 #include <openssl/mem.h> 61 62 63 int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num, 64 unsigned char *buf, int off) 65 { 66 int n,i; 67 const char *neg; 68 69 if (num == NULL) return(1); 70 neg = (BN_is_negative(num))?"-":""; 71 if(!BIO_indent(bp,off,128)) 72 return 0; 73 if (BN_is_zero(num)) 74 { 75 if (BIO_printf(bp, "%s 0\n", number) <= 0) 76 return 0; 77 return 1; 78 } 79 80 if (BN_num_bytes(num) <= sizeof(long)) 81 { 82 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg, 83 (unsigned long)num->d[0],neg,(unsigned long)num->d[0]) 84 <= 0) return(0); 85 } 86 else 87 { 88 buf[0]=0; 89 if (BIO_printf(bp,"%s%s",number, 90 (neg[0] == '-')?" (Negative)":"") <= 0) 91 return(0); 92 n=BN_bn2bin(num,&buf[1]); 93 94 if (buf[1] & 0x80) 95 n++; 96 else buf++; 97 98 for (i=0; i<n; i++) 99 { 100 if ((i%15) == 0) 101 { 102 if(BIO_puts(bp,"\n") <= 0 103 || !BIO_indent(bp,off+4,128)) 104 return 0; 105 } 106 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":") 107 <= 0) return(0); 108 } 109 if (BIO_write(bp,"\n",1) <= 0) return(0); 110 } 111 return(1); 112 } 113
