1 files changed, 78 insertions, 0 deletions
diff --git a/deps/openssl/openssl/crypto/ec/curve448/curve448utils.h b/deps/openssl/openssl/crypto/ec/curve448/curve448utils.h
new file mode 100644
index 0000000000..9bf837993c
--- /dev/null
+++ b/deps/openssl/openssl/crypto/ec/curve448/curve448utils.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2015 Cryptography Research, Inc.
+ *
+ * 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
+ *
+ * Originally written by Mike Hamburg
+ */
+
+#ifndef HEADER_CURVE448UTILS_H
+# define HEADER_CURVE448UTILS_H
+
+# include <openssl/e_os2.h>
+
+/*
+ * Internal word types. Somewhat tricky.  This could be decided separately per
+ * platform.  However, the structs do need to be all the same size and
+ * alignment on a given platform to support dynamic linking, since even if you
+ * header was built with eg arch_neon, you might end up linking a library built
+ * with arch_arm32.
+ */
+# ifndef C448_WORD_BITS
+#  if (defined(__SIZEOF_INT128__) && (__SIZEOF_INT128__ == 16)) \
+      && !defined(__sparc__)
+#   define C448_WORD_BITS 64      /* The number of bits in a word */
+#  else
+#   define C448_WORD_BITS 32      /* The number of bits in a word */
+#  endif
+# endif
+
+# if C448_WORD_BITS == 64
+/* Word size for internal computations */
+typedef uint64_t c448_word_t;
+/* Signed word size for internal computations */
+typedef int64_t c448_sword_t;
+/* "Boolean" type, will be set to all-zero or all-one (i.e. -1u) */
+typedef uint64_t c448_bool_t;
+/* Double-word size for internal computations */
+typedef __uint128_t c448_dword_t;
+/* Signed double-word size for internal computations */
+typedef __int128_t c448_dsword_t;
+# elif C448_WORD_BITS == 32
+/* Word size for internal computations */
+typedef uint32_t c448_word_t;
+/* Signed word size for internal computations */
+typedef int32_t c448_sword_t;
+/* "Boolean" type, will be set to all-zero or all-one (i.e. -1u) */
+typedef uint32_t c448_bool_t;
+/* Double-word size for internal computations */
+typedef uint64_t c448_dword_t;
+/* Signed double-word size for internal computations */
+typedef int64_t c448_dsword_t;
+# else
+#  error "Only supporting C448_WORD_BITS = 32 or 64 for now"
+# endif
+
+/* C448_TRUE = -1 so that C448_TRUE & x = x */
+# define C448_TRUE      (0 - (c448_bool_t)1)
+
+/* C448_FALSE = 0 so that C448_FALSE & x = 0 */
+# define C448_FALSE     0
+
+/* Another boolean type used to indicate success or failure. */
+typedef enum {
+    C448_SUCCESS = -1, /**< The operation succeeded. */
+    C448_FAILURE = 0   /**< The operation failed. */
+} c448_error_t;
+
+/* Return success if x is true */
+static ossl_inline c448_error_t c448_succeed_if(c448_bool_t x)
+{
+    return (c448_error_t) x;
+}
+
+#endif                          /* __C448_COMMON_H__ */