-/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+/* crypto/bn/bn_print.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
*
- * 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
+ * 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.]
*/
#include <stdio.h>
#include <ctype.h>
#include <limits.h>
-#include "internal/cryptlib.h"
+#include "cryptlib.h"
#include <openssl/buffer.h>
#include "bn_lcl.h"
/*-
* get an upper bound for the length of the decimal integer
* num <= (BN_num_bits(a) + 1) * log(2)
- * <= 3 * BN_num_bits(a) * 0.101 + log(2) + 1 (rounding error)
- * <= 3 * BN_num_bits(a) / 10 + 3 * BN_num_bits / 1000 + 1 + 1
+ * <= 3 * BN_num_bits(a) * 0.1001 + log(2) + 1 (rounding error)
+ * <= BN_num_bits(a)/10 + BN_num_bits/1000 + 1 + 1
*/
i = BN_num_bits(a) * 3;
num = (i / 10 + i / 1000 + 1) + 1;
}
ok = 1;
err:
- OPENSSL_free(bn_data);
- BN_free(t);
- if (ok)
- return buf;
- OPENSSL_free(buf);
- return NULL;
+ if (bn_data != NULL)
+ OPENSSL_free(bn_data);
+ if (t != NULL)
+ BN_free(t);
+ if (!ok && buf) {
+ OPENSSL_free(buf);
+ buf = NULL;
+ }
+
+ return (buf);
}
int BN_hex2bn(BIGNUM **bn, const char *a)
for (i = 0; i <= (INT_MAX/4) && isxdigit((unsigned char)a[i]); i++)
continue;
- if (i == 0 || i > INT_MAX/4)
+ if (i > INT_MAX/4)
goto err;
num = i + neg;
l = 0;
for (;;) {
c = a[j - m];
- k = OPENSSL_hexchar2int(c);
- if (k < 0)
+ if ((c >= '0') && (c <= '9'))
+ k = c - '0';
+ else if ((c >= 'a') && (c <= 'f'))
+ k = c - 'a' + 10;
+ else if ((c >= 'A') && (c <= 'F'))
+ k = c - 'A' + 10;
+ else
k = 0; /* paranoia */
l = (l << 4) | k;
for (i = 0; i <= (INT_MAX/4) && isdigit((unsigned char)a[i]); i++)
continue;
- if (i == 0 || i > INT_MAX/4)
+ if (i > INT_MAX/4)
goto err;
num = i + neg;
l += *a - '0';
a++;
if (++j == BN_DEC_NUM) {
- if (!BN_mul_word(ret, BN_DEC_CONV)
- || !BN_add_word(ret, l))
- goto err;
+ BN_mul_word(ret, BN_DEC_CONV);
+ BN_add_word(ret, l);
l = 0;
j = 0;
}
return 1;
}
-# ifndef OPENSSL_NO_STDIO
+#ifndef OPENSSL_NO_BIO
+# ifndef OPENSSL_NO_FP_API
int BN_print_fp(FILE *fp, const BIGNUM *a)
{
BIO *b;
end:
return (ret);
}
+#endif
char *BN_options(void)
{
projects / efi-boot-shim.git / blobdiff