diff options
Diffstat (limited to 'src/lib/utils/donna128.h')
| -rw-r--r-- | src/lib/utils/donna128.h | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/src/lib/utils/donna128.h b/src/lib/utils/donna128.h index 2a2d1e339..3e11f71c2 100644 --- a/src/lib/utils/donna128.h +++ b/src/lib/utils/donna128.h @@ -15,7 +15,7 @@ namespace Botan { class donna128 { public: - donna128(u64bit ll = 0, u64bit hh = 0) { l = ll; h = hh; } + donna128(uint64_t ll = 0, uint64_t hh = 0) { l = ll; h = hh; } donna128(const donna128&) = default; donna128& operator=(const donna128&) = default; @@ -25,7 +25,7 @@ class donna128 donna128 z = x; if(shift > 0) { - const u64bit carry = z.h << (64 - shift); + const uint64_t carry = z.h << (64 - shift); z.h = (z.h >> shift); z.l = (z.l >> shift) | carry; } @@ -37,19 +37,19 @@ class donna128 donna128 z = x; if(shift > 0) { - const u64bit carry = z.l >> (64 - shift); + const uint64_t carry = z.l >> (64 - shift); z.l = (z.l << shift); z.h = (z.h << shift) | carry; } return z; } - friend u64bit operator&(const donna128& x, u64bit mask) + friend uint64_t operator&(const donna128& x, uint64_t mask) { return x.l & mask; } - u64bit operator&=(u64bit mask) + uint64_t operator&=(uint64_t mask) { h = 0; l &= mask; @@ -64,24 +64,24 @@ class donna128 return *this; } - donna128& operator+=(u64bit x) + donna128& operator+=(uint64_t x) { l += x; h += (l < x); return *this; } - u64bit lo() const { return l; } - u64bit hi() const { return h; } + uint64_t lo() const { return l; } + uint64_t hi() const { return h; } private: - u64bit h = 0, l = 0; + uint64_t h = 0, l = 0; }; -inline donna128 operator*(const donna128& x, u64bit y) +inline donna128 operator*(const donna128& x, uint64_t y) { BOTAN_ASSERT(x.hi() == 0, "High 64 bits of donna128 set to zero during multiply"); - u64bit lo = 0, hi = 0; + uint64_t lo = 0, hi = 0; mul64x64_128(x.lo(), y, &lo, &hi); return donna128(lo, hi); } @@ -93,7 +93,7 @@ inline donna128 operator+(const donna128& x, const donna128& y) return z; } -inline donna128 operator+(const donna128& x, u64bit y) +inline donna128 operator+(const donna128& x, uint64_t y) { donna128 z = x; z += y; @@ -105,12 +105,12 @@ inline donna128 operator|(const donna128& x, const donna128& y) return donna128(x.lo() | y.lo(), x.hi() | y.hi()); } -inline u64bit carry_shift(const donna128& a, size_t shift) +inline uint64_t carry_shift(const donna128& a, size_t shift) { return (a >> shift).lo(); } -inline u64bit combine_lower(const donna128& a, size_t s1, +inline uint64_t combine_lower(const donna128& a, size_t s1, const donna128& b, size_t s2) { donna128 z = (a >> s1) | (b << s2); @@ -118,15 +118,15 @@ inline u64bit combine_lower(const donna128& a, size_t s1, } #if defined(BOTAN_TARGET_HAS_NATIVE_UINT128) -inline u64bit carry_shift(const uint128_t a, size_t shift) +inline uint64_t carry_shift(const uint128_t a, size_t shift) { - return static_cast<u64bit>(a >> shift); + return static_cast<uint64_t>(a >> shift); } -inline u64bit combine_lower(const uint128_t a, size_t s1, +inline uint64_t combine_lower(const uint128_t a, size_t s1, const uint128_t b, size_t s2) { - return static_cast<u64bit>((a >> s1) | (b << s2)); + return static_cast<uint64_t>((a >> s1) | (b << s2)); } #endif |