-/* crypto/asn1/t_pkey.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/buffer.h>
#include "internal/bn_int.h"
+/* Number of octets per line */
+#define ASN1_BUF_PRINT_WIDTH 15
+/* Maximum indent */
+#define ASN1_PRINT_MAX_INDENT 128
+
+int ASN1_buf_print(BIO *bp, const unsigned char *buf, size_t buflen, int indent)
+{
+ size_t i;
+
+ for (i = 0; i < buflen; i++) {
+ if ((i % ASN1_BUF_PRINT_WIDTH) == 0) {
+ if (i > 0 && BIO_puts(bp, "\n") <= 0)
+ return 0;
+ if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
+ return 0;
+ }
+ /*
+ * Use colon separators for each octet for compatibility as
+ * this function is used to print out key components.
+ */
+ if (BIO_printf(bp, "%02x%s", buf[i],
+ (i == buflen - 1) ? "" : ":") <= 0)
+ return 0;
+ }
+ if (BIO_write(bp, "\n", 1) <= 0)
+ return 0;
+ return 1;
+}
+
int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
- unsigned char *buf, int off)
- {
- int n,i;
- const char *neg;
+ unsigned char *ign, int indent)
+{
+ int n, rv = 0;
+ const char *neg;
+ unsigned char *buf = NULL, *tmp = NULL;
+ int buflen;
+
+ if (num == NULL)
+ return 1;
+ neg = BN_is_negative(num) ? "-" : "";
+ if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
+ return 0;
+ if (BN_is_zero(num)) {
+ if (BIO_printf(bp, "%s 0\n", number) <= 0)
+ return 0;
+ return 1;
+ }
+
+ if (BN_num_bytes(num) <= BN_BYTES) {
+ if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg,
+ (unsigned long)bn_get_words(num)[0], neg,
+ (unsigned long)bn_get_words(num)[0]) <= 0)
+ return 0;
+ return 1;
+ }
- if (num == NULL) return(1);
- neg = (BN_is_negative(num))?"-":"";
- if(!BIO_indent(bp,off,128))
- return 0;
- if (BN_is_zero(num))
- {
- if (BIO_printf(bp, "%s 0\n", number) <= 0)
- return 0;
- return 1;
- }
+ buflen = BN_num_bytes(num) + 1;
+ buf = tmp = OPENSSL_malloc(buflen);
+ if (buf == NULL)
+ goto err;
+ buf[0] = 0;
+ if (BIO_printf(bp, "%s%s\n", number,
+ (neg[0] == '-') ? " (Negative)" : "") <= 0)
+ goto err;
+ n = BN_bn2bin(num, buf + 1);
- if (BN_num_bytes(num) <= BN_BYTES)
- {
- if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
- (unsigned long)bn_get_words(num)[0],neg,
- (unsigned long)bn_get_words(num)[0])<= 0) return(0);
- }
- else
- {
- buf[0]=0;
- if (BIO_printf(bp,"%s%s",number,
- (neg[0] == '-')?" (Negative)":"") <= 0)
- return(0);
- n=BN_bn2bin(num,&buf[1]);
-
- if (buf[1] & 0x80)
- n++;
- else buf++;
+ if (buf[1] & 0x80)
+ n++;
+ else
+ tmp++;
- for (i=0; i<n; i++)
- {
- if ((i%15) == 0)
- {
- if(BIO_puts(bp,"\n") <= 0
- || !BIO_indent(bp,off+4,128))
- return 0;
- }
- if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
- <= 0) return(0);
- }
- if (BIO_write(bp,"\n",1) <= 0) return(0);
- }
- return(1);
- }
+ if (ASN1_buf_print(bp, tmp, n, indent + 4) == 0)
+ goto err;
+ rv = 1;
+ err:
+ OPENSSL_clear_free(buf, buflen);
+ return rv;
+}
projects / openssl.git / blobdiff