Branch data Line data Source code
1 : : /* crypto/asn1/t_pkey.c */
2 : : /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 : : * All rights reserved.
4 : : *
5 : : * This package is an SSL implementation written
6 : : * by Eric Young (eay@cryptsoft.com).
7 : : * The implementation was written so as to conform with Netscapes SSL.
8 : : *
9 : : * This library is free for commercial and non-commercial use as long as
10 : : * the following conditions are aheared to. The following conditions
11 : : * apply to all code found in this distribution, be it the RC4, RSA,
12 : : * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 : : * included with this distribution is covered by the same copyright terms
14 : : * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 : : *
16 : : * Copyright remains Eric Young's, and as such any Copyright notices in
17 : : * the code are not to be removed.
18 : : * If this package is used in a product, Eric Young should be given attribution
19 : : * as the author of the parts of the library used.
20 : : * This can be in the form of a textual message at program startup or
21 : : * in documentation (online or textual) provided with the package.
22 : : *
23 : : * Redistribution and use in source and binary forms, with or without
24 : : * modification, are permitted provided that the following conditions
25 : : * are met:
26 : : * 1. Redistributions of source code must retain the copyright
27 : : * notice, this list of conditions and the following disclaimer.
28 : : * 2. Redistributions in binary form must reproduce the above copyright
29 : : * notice, this list of conditions and the following disclaimer in the
30 : : * documentation and/or other materials provided with the distribution.
31 : : * 3. All advertising materials mentioning features or use of this software
32 : : * must display the following acknowledgement:
33 : : * "This product includes cryptographic software written by
34 : : * Eric Young (eay@cryptsoft.com)"
35 : : * The word 'cryptographic' can be left out if the rouines from the library
36 : : * being used are not cryptographic related :-).
37 : : * 4. If you include any Windows specific code (or a derivative thereof) from
38 : : * the apps directory (application code) you must include an acknowledgement:
39 : : * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 : : *
41 : : * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 : : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 : : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 : : * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 : : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 : : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 : : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 : : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 : : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 : : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 : : * SUCH DAMAGE.
52 : : *
53 : : * The licence and distribution terms for any publically available version or
54 : : * derivative of this code cannot be changed. i.e. this code cannot simply be
55 : : * copied and put under another distribution licence
56 : : * [including the GNU Public Licence.]
57 : : */
58 : :
59 : : #include <stdio.h>
60 : : #include "cryptlib.h"
61 : : #include <openssl/objects.h>
62 : : #include <openssl/buffer.h>
63 : : #include <openssl/bn.h>
64 : :
65 : 90 : int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
66 : : unsigned char *buf, int off)
67 : : {
68 : : int n,i;
69 : : const char *neg;
70 : :
71 [ + + ]: 90 : if (num == NULL) return(1);
72 [ + - ]: 86 : neg = (BN_is_negative(num))?"-":"";
73 [ + - ]: 86 : if(!BIO_indent(bp,off,128))
74 : : return 0;
75 [ - + ]: 86 : if (BN_is_zero(num))
76 : : {
77 [ # # ]: 0 : if (BIO_printf(bp, "%s 0\n", number) <= 0)
78 : : return 0;
79 : 0 : return 1;
80 : : }
81 : :
82 [ + + ]: 86 : if (BN_num_bytes(num) <= BN_BYTES)
83 : : {
84 [ + - ]: 40 : if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
85 : 40 : (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
86 : : <= 0) return(0);
87 : : }
88 : : else
89 : : {
90 : 46 : buf[0]=0;
91 [ + - ][ + - ]: 46 : if (BIO_printf(bp,"%s%s",number,
92 : 46 : (neg[0] == '-')?" (Negative)":"") <= 0)
93 : : return(0);
94 : 46 : n=BN_bn2bin(num,&buf[1]);
95 : :
96 [ + + ]: 46 : if (buf[1] & 0x80)
97 : 44 : n++;
98 : : else buf++;
99 : :
100 [ + + ]: 5442 : for (i=0; i<n; i++)
101 : : {
102 [ + + ]: 5396 : if ((i%15) == 0)
103 : : {
104 [ + - ]: 380 : if(BIO_puts(bp,"\n") <= 0
105 [ + - ]: 380 : || !BIO_indent(bp,off+4,128))
106 : : return 0;
107 : : }
108 [ + + ][ + - ]: 5396 : if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
109 : : <= 0) return(0);
110 : : }
111 [ + - ]: 46 : if (BIO_write(bp,"\n",1) <= 0) return(0);
112 : : }
113 : : return(1);
114 : : }
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