Unleashed v1.4
[unleashed.git] / lib / libcrypto / asn1 / t_pkey.c
blobb3f7d084c547be3aecab539367cca02ecdd3f45f
1 /* $OpenBSD: t_pkey.c,v 1.16 2014/07/11 08:44:47 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
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.
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).
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.
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)"
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.
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.]
59 #include <stdio.h>
61 #include <openssl/bn.h>
62 #include <openssl/buffer.h>
63 #include <openssl/objects.h>
65 int
66 ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
67 unsigned char *buf, int off)
69 int n, i;
70 const char *neg;
72 if (num == NULL)
73 return (1);
74 neg = (BN_is_negative(num)) ? "-" : "";
75 if (!BIO_indent(bp, off, 128))
76 return 0;
77 if (BN_is_zero(num)) {
78 if (BIO_printf(bp, "%s 0\n", number) <= 0)
79 return 0;
80 return 1;
83 if (BN_num_bytes(num) <= BN_BYTES) {
84 if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg,
85 (unsigned long)num->d[0], neg,
86 (unsigned long)num->d[0]) <= 0)
87 return (0);
88 } else {
89 buf[0] = 0;
90 if (BIO_printf(bp, "%s%s", number,
91 (neg[0] == '-') ? " (Negative)" : "") <= 0)
92 return (0);
93 n = BN_bn2bin(num, &buf[1]);
95 if (buf[1] & 0x80)
96 n++;
97 else
98 buf++;
100 for (i = 0; i < n; i++) {
101 if ((i % 15) == 0) {
102 if (BIO_puts(bp, "\n") <= 0 ||
103 !BIO_indent(bp, off + 4, 128))
104 return 0;
106 if (BIO_printf(bp, "%02x%s", buf[i],
107 ((i + 1) == n) ? "" : ":") <= 0)
108 return (0);
110 if (BIO_write(bp, "\n", 1) <= 0)
111 return (0);
113 return (1);