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authorJung-uk Kim <jkim@FreeBSD.org>2016-03-01 17:57:01 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2016-03-01 17:57:01 +0000
commit9aeed18ad799c20d3accf6e1535817538dc983f6 (patch)
tree37a4bb1290ee86a2b4ce070f139b2379ee747425 /crypto/bn/bn.h
parentc188d4cade9cba451816aef2371942bea4ff837f (diff)
downloadsrc-9aeed18ad799c20d3accf6e1535817538dc983f6.tar.gz
src-9aeed18ad799c20d3accf6e1535817538dc983f6.zip
Import OpenSSL 1.0.2g.vendor/openssl/1.0.2g
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=296273 svn path=/vendor-crypto/openssl/1.0.2g/; revision=296274; tag=vendor/openssl/1.0.2g
Diffstat (limited to 'crypto/bn/bn.h')
-rw-r--r--crypto/bn/bn.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/crypto/bn/bn.h b/crypto/bn/bn.h
index 5696965e9a09..86264ae6315f 100644
--- a/crypto/bn/bn.h
+++ b/crypto/bn/bn.h
@@ -125,6 +125,7 @@
#ifndef HEADER_BN_H
# define HEADER_BN_H
+# include <limits.h>
# include <openssl/e_os2.h>
# ifndef OPENSSL_NO_FP_API
# include <stdio.h> /* FILE */
@@ -721,8 +722,17 @@ const BIGNUM *BN_get0_nist_prime_521(void);
/* library internal functions */
-# define bn_expand(a,bits) ((((((bits+BN_BITS2-1))/BN_BITS2)) <= (a)->dmax)?\
- (a):bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2))
+# define bn_expand(a,bits) \
+ ( \
+ bits > (INT_MAX - BN_BITS2 + 1) ? \
+ NULL \
+ : \
+ (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax) ? \
+ (a) \
+ : \
+ bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2) \
+ )
+
# define bn_wexpand(a,words) (((words) <= (a)->dmax)?(a):bn_expand2((a),(words)))
BIGNUM *bn_expand2(BIGNUM *a, int words);
# ifndef OPENSSL_NO_DEPRECATED