1 files changed, 69 insertions, 89 deletions

diff --git a/crypto/asn1/t_pkey.c b/crypto/asn1/t_pkey.c
index 735c34264b0c..3b2c9df8917f 100644
--- a/crypto/asn1/t_pkey.c
+++ b/crypto/asn1/t_pkey.c
@@ -1,77 +1,59 @@
-/* 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 <openssl/bn.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)
+                  unsigned char *ign, int indent)
 {
-    int n, i;
+    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, off, 128))
+        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)
@@ -81,33 +63,31 @@ int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
 
     if (BN_num_bytes(num) <= BN_BYTES) {
         if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg,
-                       (unsigned long)num->d[0], neg,
-                       (unsigned long)num->d[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]);
+                       (unsigned long)bn_get_words(num)[0], neg,
+                       (unsigned long)bn_get_words(num)[0]) <= 0)
+            return 0;
+        return 1;
+    }
 
-        if (buf[1] & 0x80)
-            n++;
-        else
-            buf++;
+    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);
 
-        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 (buf[1] & 0x80)
+        n++;
+    else
+        tmp++;
+
+    if (ASN1_buf_print(bp, tmp, n, indent + 4) == 0)
+        goto err;
+    rv = 1;
+    err:
+    OPENSSL_clear_free(buf, buflen);
+    return rv;
 }