32 lines
781 B
Go
32 lines
781 B
Go
// Copyright 2018 (c) NSPCC
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//
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// Package gf127 implements the GF(2^127) arithmetic
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// modulo reduction polynomial x^127 + x^63 + 1 .
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// This is rather straight-forward re-implementation of C library
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// available here https://github.com/srijs/hwsl2-core .
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// Interfaces are highly influenced by math/big .
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package avx
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import (
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"github.com/nspcc-dev/tzhash/gf127"
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)
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// GF127 is an alias for a main type.
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type GF127 = gf127.GF127
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const msb64 = uint64(1) << 63
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// x127x63 represents x^127 + x^63. Used in assembly file.
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var x127x63 = GF127{msb64, msb64} //nolint:deadcode,varcheck
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// Add sets c to a+b.
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func Add(a, b, c *GF127)
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// Mul sets c to a*b.
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func Mul(a, b, c *GF127)
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// Mul10 sets b to a*x.
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func Mul10(a, b *GF127)
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// Mul11 sets b to a*(x+1).
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func Mul11(a, b *GF127)
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