/*
- * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+ * 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
* Originally written by Mike Hamburg
*/
-#ifndef __DECAF_COMMON_H__
-# define __DECAF_COMMON_H__ 1
+#ifndef __C448_COMMON_H__
+# define __C448_COMMON_H__ 1
# include <openssl/e_os2.h>
* header was built with eg arch_neon, you might end up linking a library built
* with arch_arm32.
*/
-# ifndef DECAF_WORD_BITS
-# if (defined(__ILP64__) || defined(__amd64__) || defined(__x86_64__) || (((__UINT_FAST32_MAX__)>>30)>>30))
-# define DECAF_WORD_BITS 64 /**< The number of bits in a word */
+# ifndef C448_WORD_BITS
+# if (defined(__ILP64__) || defined(__amd64__) || defined(__x86_64__) \
+ || (((__UINT_FAST32_MAX__)>>30)>>30))
+# define C448_WORD_BITS 64 /* The number of bits in a word */
# else
-# define DECAF_WORD_BITS 32 /**< The number of bits in a word */
+# define C448_WORD_BITS 32 /* The number of bits in a word */
# endif
# endif
-# if DECAF_WORD_BITS == 64
-typedef uint64_t decaf_word_t; /**< Word size for internal computations */
-typedef int64_t decaf_sword_t; /**< Signed word size for internal computations */
-typedef uint64_t decaf_bool_t; /**< "Boolean" type, will be set to all-zero or all-one (i.e. -1u) */
-typedef __uint128_t decaf_dword_t; /**< Double-word size for internal computations */
-typedef __int128_t decaf_dsword_t; /**< Signed double-word size for internal computations */
-# elif DECAF_WORD_BITS == 32 /**< The number of bits in a word */
-typedef uint32_t decaf_word_t; /**< Word size for internal computations */
-typedef int32_t decaf_sword_t; /**< Signed word size for internal computations */
-typedef uint32_t decaf_bool_t; /**< "Boolean" type, will be set to all-zero or all-one (i.e. -1u) */
-typedef uint64_t decaf_dword_t; /**< Double-word size for internal computations */
-typedef int64_t decaf_dsword_t; /**< Signed double-word size for internal computations */
+# 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 DECAF_WORD_BITS = 32 or 64 for now"
+# error "Only supporting C448_WORD_BITS = 32 or 64 for now"
# endif
-/** DECAF_TRUE = -1 so that DECAF_TRUE & x = x */
-static const decaf_bool_t DECAF_TRUE = -(decaf_bool_t) 1;
+/* C448_TRUE = -1 so that C448_TRUE & x = x */
+static const c448_bool_t C448_TRUE = 0 - (c448_bool_t)1;
-/** DECAF_FALSE = 0 so that DECAF_FALSE & x = 0 */
-static const decaf_bool_t DECAF_FALSE = 0;
+/* C448_FALSE = 0 so that C448_FALSE & x = 0 */
+static const c448_bool_t C448_FALSE = 0;
-/** Another boolean type used to indicate success or failure. */
+/* Another boolean type used to indicate success or failure. */
typedef enum {
- DECAF_SUCCESS = -1, /**< The operation succeeded. */
- DECAF_FAILURE = 0 /**< The operation failed. */
-} decaf_error_t;
+ C448_SUCCESS = -1, /**< The operation succeeded. */
+ C448_FAILURE = 0 /**< The operation failed. */
+} c448_error_t;
-/** Return success if x is true */
-static ossl_inline decaf_error_t decaf_succeed_if(decaf_bool_t x)
+/* Return success if x is true */
+static ossl_inline c448_error_t c448_succeed_if(c448_bool_t x)
{
- return (decaf_error_t) x;
-}
-
-/** Return DECAF_TRUE iff x == DECAF_SUCCESS */
-static ossl_inline decaf_bool_t decaf_successful(decaf_error_t e)
-{
- decaf_dword_t w = ((decaf_word_t) e) ^ ((decaf_word_t) DECAF_SUCCESS);
- return (w - 1) >> DECAF_WORD_BITS;
+ return (c448_error_t) x;
}
#ifdef __cplusplus
} /* extern "C" */
#endif
-#endif /* __DECAF_COMMON_H__ */
+#endif /* __C448_COMMON_H__ */