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/* $OpenBSD: t_pkey.c,v 1.16 2014/07/11 08:44:47 jsing Exp $ */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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#include <stdio.h> |
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#include <openssl/bn.h> |
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#include <openssl/buffer.h> |
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#include <openssl/objects.h> |
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int |
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ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num, |
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unsigned char *buf, int off) |
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{ |
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int n, i; |
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const char *neg; |
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✓✓ |
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if (num == NULL) |
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return (1); |
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neg = (BN_is_negative(num)) ? "-" : ""; |
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✗✓ |
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if (!BIO_indent(bp, off, 128)) |
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return 0; |
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✓✓ |
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if (BN_is_zero(num)) { |
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✗✓ |
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if (BIO_printf(bp, "%s 0\n", number) <= 0) |
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return 0; |
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return 1; |
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} |
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✓✓ |
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if (BN_num_bytes(num) <= BN_BYTES) { |
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✗✓ |
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if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg, |
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(unsigned long)num->d[0], neg, |
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(unsigned long)num->d[0]) <= 0) |
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return (0); |
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} else { |
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buf[0] = 0; |
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if (BIO_printf(bp, "%s%s", number, |
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(neg[0] == '-') ? " (Negative)" : "") <= 0) |
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return (0); |
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n = BN_bn2bin(num, &buf[1]); |
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✓✓ |
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if (buf[1] & 0x80) |
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n++; |
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else |
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buf++; |
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✓✓ |
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for (i = 0; i < n; i++) { |
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✓✓ |
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if ((i % 15) == 0) { |
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✓✗✗✓
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if (BIO_puts(bp, "\n") <= 0 || |
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!BIO_indent(bp, off + 4, 128)) |
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return 0; |
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} |
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✗✓ |
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if (BIO_printf(bp, "%02x%s", buf[i], |
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((i + 1) == n) ? "" : ":") <= 0) |
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return (0); |
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} |
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✗✓ |
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if (BIO_write(bp, "\n", 1) <= 0) |
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return (0); |
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} |
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return (1); |
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} |