diff options
Diffstat (limited to 'crypto/ec/curve448/curve448utils.h')
-rw-r--r-- | crypto/ec/curve448/curve448utils.h | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/crypto/ec/curve448/curve448utils.h b/crypto/ec/curve448/curve448utils.h index b69ecd2615..edeedef7a2 100644 --- a/crypto/ec/curve448/curve448utils.h +++ b/crypto/ec/curve448/curve448utils.h @@ -11,47 +11,47 @@ */ #ifndef __DECAF_COMMON_H__ -#define __DECAF_COMMON_H__ 1 +# define __DECAF_COMMON_H__ 1 -#include <openssl/e_os2.h> +# include <openssl/e_os2.h> #ifdef __cplusplus extern "C" { #endif -/* 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. +/* + * 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 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 */ - #else - #define DECAF_WORD_BITS 32 /**< The number of bits in a word */ - #endif -#endif - -#if DECAF_WORD_BITS == 64 +# 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 */ +# else +# define DECAF_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 */ +# 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 */ -#else -#error "Only supporting DECAF_WORD_BITS = 32 or 64 for now" -#endif - +# else +# error "Only supporting DECAF_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; +static const decaf_bool_t DECAF_TRUE = -(decaf_bool_t) 1; /** DECAF_FALSE = 0 so that DECAF_FALSE & x = 0 */ static const decaf_bool_t DECAF_FALSE = 0; @@ -62,22 +62,21 @@ typedef enum { DECAF_FAILURE = 0 /**< The operation failed. */ } decaf_error_t; - /** Return success if x is true */ -static ossl_inline decaf_error_t -decaf_succeed_if(decaf_bool_t x) { - return (decaf_error_t)x; +static ossl_inline decaf_error_t decaf_succeed_if(decaf_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; +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; } - + #ifdef __cplusplus } /* extern "C" */ #endif - -#endif /* __DECAF_COMMON_H__ */ + +#endif /* __DECAF_COMMON_H__ */ |