1 /* Copyright (C) 1995-1998 Eric Young ([email protected])
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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
i2a_ASN1_INTEGER(BIO * bp,const ASN1_INTEGER * a)61 int i2a_ASN1_INTEGER(BIO *bp, const ASN1_INTEGER *a) {
62 int i, n = 0;
63 static const char *h = "0123456789ABCDEF";
64 char buf[2];
65
66 if (a == NULL) {
67 return 0;
68 }
69
70 if (a->type & V_ASN1_NEG) {
71 if (BIO_write(bp, "-", 1) != 1) {
72 goto err;
73 }
74 n = 1;
75 }
76
77 if (a->length == 0) {
78 if (BIO_write(bp, "00", 2) != 2) {
79 goto err;
80 }
81 n += 2;
82 } else {
83 for (i = 0; i < a->length; i++) {
84 if ((i != 0) && (i % 35 == 0)) {
85 if (BIO_write(bp, "\\\n", 2) != 2) {
86 goto err;
87 }
88 n += 2;
89 }
90 buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f];
91 buf[1] = h[((unsigned char)a->data[i]) & 0x0f];
92 if (BIO_write(bp, buf, 2) != 2) {
93 goto err;
94 }
95 n += 2;
96 }
97 }
98 return n;
99 err:
100 return -1;
101 }
102
i2a_ASN1_ENUMERATED(BIO * bp,const ASN1_ENUMERATED * a)103 int i2a_ASN1_ENUMERATED(BIO *bp, const ASN1_ENUMERATED *a) {
104 return i2a_ASN1_INTEGER(bp, a);
105 }
106