License: change any non-boilerplate comment referring to "OpenSSL license"

[openssl.git] / crypto / bn / bn_mul.c

diff --git a/crypto/bn/bn_mul.c b/crypto/bn/bn_mul.c
index 07aaf5891feba3d3a05f802b396226f7cc86c27d..5eda65cfbb048105a697c5eaca64387454642fd5 100644 (file)
--- a/crypto/bn/bn_mul.c
+++ b/crypto/bn/bn_mul.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. 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
@@ -495,6 +495,16 @@ void bn_mul_low_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2,
 #endif                          /* BN_RECURSION */
 
 int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
+{
+    int ret = bn_mul_fixed_top(r, a, b, ctx);
+
+    bn_correct_top(r);
+    bn_check_top(r);
+
+    return ret;
+}
+
+int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
 {
     int ret = 0;
     int top, al, bl;
@@ -598,7 +608,7 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
  end:
 #endif
     rr->neg = a->neg ^ b->neg;
-    bn_correct_top(rr);
+    rr->flags |= BN_FLG_FIXED_TOP;
     if (r != rr && BN_copy(r, rr) == NULL)
         goto err;