// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package poly1305 import ( "bytes" "testing" ) var testData = []struct { in, k, correct []byte }{ { []byte("Hello world!"), []byte("this is 32-byte key for Poly1305"), []byte{0xa6, 0xf7, 0x45, 0x00, 0x8f, 0x81, 0xc9, 0x16, 0xa2, 0x0d, 0xcc, 0x74, 0xee, 0xf2, 0xb2, 0xf0}, }, { make([]byte, 32), []byte("this is 32-byte key for Poly1305"), []byte{0x49, 0xec, 0x78, 0x09, 0x0e, 0x48, 0x1e, 0xc6, 0xc2, 0x6b, 0x33, 0xb9, 0x1c, 0xcc, 0x03, 0x07}, }, { make([]byte, 2007), []byte("this is 32-byte key for Poly1305"), []byte{0xda, 0x84, 0xbc, 0xab, 0x02, 0x67, 0x6c, 0x38, 0xcd, 0xb0, 0x15, 0x60, 0x42, 0x74, 0xc2, 0xaa}, }, { make([]byte, 2007), make([]byte, 32), make([]byte, 16), }, } func TestSum(t *testing.T) { var out [16]byte var key [32]byte for i, v := range testData { copy(key[:], v.k) Sum(&out, v.in, &key) if !bytes.Equal(out[:], v.correct) { t.Errorf("%d: expected %x, got %x", i, v.correct, out[:]) } } } func Benchmark1K(b *testing.B) { b.StopTimer() var out [16]byte var key [32]byte in := make([]byte, 1024) b.SetBytes(int64(len(in))) b.StartTimer() for i := 0; i < b.N; i++ { Sum(&out, in, &key) } } func Benchmark64(b *testing.B) { b.StopTimer() var out [16]byte var key [32]byte in := make([]byte, 64) b.SetBytes(int64(len(in))) b.StartTimer() for i := 0; i < b.N; i++ { Sum(&out, in, &key) } }