Add Poly1305, based on poly1305-donna by Andrew Moon.

2 files changed, 0 insertions, 120 deletions

diff --git a/src/lib/pubkey/curve25519/donna128.h b/src/lib/pubkey/curve25519/donna128.h
deleted file mode 100644
index f2b2d88ea..000000000
--- a/src/lib/pubkey/curve25519/donna128.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
-* A minimal 128-bit integer type for curve25519-donna
-* (C) 2014 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_CURVE25519_DONNA128_H__
-#define BOTAN_CURVE25519_DONNA128_H__
-
-#include <botan/mul128.h>
-
-namespace Botan {
-
-class donna128
-   {
-   public:
-      donna128(u64bit ll = 0, u64bit hh = 0) { l = ll; h = hh; }
-
-      donna128(const donna128&) = default;
-      donna128& operator=(const donna128&) = default;
-
-      friend donna128 operator>>(const donna128& x, size_t shift)
-         {
-         donna128 z = x;
-         const u64bit carry = z.h << (64 - shift);
-         z.h = (z.h >> shift);
-         z.l = (z.l >> shift) | carry;
-         return z;
-         }
-
-      friend donna128 operator<<(const donna128& x, size_t shift)
-         {
-         donna128 z = x;
-         const u64bit 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)
-         {
-         return x.l & mask;
-         }
-
-      u64bit operator&=(u64bit mask)
-         {
-         h = 0;
-         l &= mask;
-         return l;
-         }
-
-      donna128& operator+=(const donna128& x)
-         {
-         l += x.l;
-         h += (l < x.l);
-         h += x.h;
-         return *this;
-         }
-
-      donna128& operator+=(u64bit x)
-         {
-         l += x;
-         h += (l < x);
-         return *this;
-         }
-
-      u64bit lo() const { return l; }
-      u64bit hi() const { return h; }
-   private:
-      u64bit h = 0, l = 0;
-   };
-
-inline donna128 operator*(const donna128& x, u64bit y)
-   {
-   BOTAN_ASSERT(x.hi() == 0, "High 64 bits of donna128 set to zero during multiply");
-
-   u64bit lo = 0, hi = 0;
-   mul64x64_128(x.lo(), y, &lo, &hi);
-   return donna128(lo, hi);
-   }
-
-inline donna128 operator+(const donna128& x, const donna128& y)
-   {
-   donna128 z = x;
-   z += y;
-   return z;
-   }
-
-inline donna128 operator+(const donna128& x, u64bit y)
-   {
-   donna128 z = x;
-   z += y;
-   return z;
-   }
-
-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)
-   {
-   return (a >> shift).lo();
-   }
-
-inline u64bit combine_lower(const donna128 a, size_t s1,
-                            const donna128 b, size_t s2)
-   {
-   donna128 z = (a >> s1) | (b << s2);
-   return z.lo();
-   }
-
-}
-
-#endif
diff --git a/src/lib/pubkey/curve25519/info.txt b/src/lib/pubkey/curve25519/info.txt
index 68c417056..6139dc32f 100644
--- a/src/lib/pubkey/curve25519/info.txt
+++ b/src/lib/pubkey/curve25519/info.txt
@@ -3,7 +3,3 @@ define CURVE_25519 20141227
 <header:public>
 curve25519.h
 </header:public>
-
-<header:internal>
-donna128.h
-</header:internal>