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-rw-r--r--crypto/ec/curve25519.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/ec/curve25519.c b/crypto/ec/curve25519.c
index aa999cc5914e..c5d887ec4cd4 100644
--- a/crypto/ec/curve25519.c
+++ b/crypto/ec/curve25519.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2019 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
@@ -254,6 +254,7 @@ static void x25519_scalar_mulx(uint8_t out[32], const uint8_t scalar[32],
#if defined(X25519_ASM) \
|| ( (defined(__SIZEOF_INT128__) && __SIZEOF_INT128__ == 16) \
&& !defined(__sparc__) \
+ && (!defined(__SIZEOF_LONG__) || (__SIZEOF_LONG__ == 8)) \
&& !(defined(__ANDROID__) && !defined(__clang__)) )
/*
* Base 2^51 implementation. It's virtually no different from reference