1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
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@cryptsoft.com).
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.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
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@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@cryptsoft.com)"
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
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.]
59 #include "internal/cryptlib.h"
60 #include <openssl/objects.h>
61 #include <openssl/buffer.h>
62 #include "internal/bn_int.h"
64 /* Number of octets per line */
65 #define ASN1_BUF_PRINT_WIDTH 15
67 #define ASN1_PRINT_MAX_INDENT 128
69 int ASN1_buf_print(BIO *bp, unsigned char *buf, size_t buflen, int indent)
73 for (i = 0; i < buflen; i++) {
74 if ((i % ASN1_BUF_PRINT_WIDTH) == 0) {
75 if (i > 0 && BIO_puts(bp, "\n") <= 0)
77 if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
81 * Use colon separators for each octet for compatibility as
82 * this fuction is used to print out key components.
84 if (BIO_printf(bp, "%02x%s", buf[i],
85 (i == buflen - 1) ? "" : ":") <= 0)
88 if (BIO_write(bp, "\n", 1) <= 0)
93 int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
94 unsigned char *ign, int indent)
98 unsigned char *buf = NULL, *tmp = NULL;
103 neg = BN_is_negative(num) ? "-" : "";
104 if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
106 if (BN_is_zero(num)) {
107 if (BIO_printf(bp, "%s 0\n", number) <= 0)
112 if (BN_num_bytes(num) <= BN_BYTES) {
113 if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg,
114 (unsigned long)bn_get_words(num)[0], neg,
115 (unsigned long)bn_get_words(num)[0]) <= 0)
120 buflen = BN_num_bytes(num) + 1;
121 buf = tmp = OPENSSL_malloc(buflen);
125 if (BIO_printf(bp, "%s%s\n", number,
126 (neg[0] == '-') ? " (Negative)" : "") <= 0)
128 n = BN_bn2bin(num, buf + 1);
135 if (ASN1_buf_print(bp, tmp, n, indent + 4) == 0)
139 OPENSSL_clear_free(buf, buflen);