path: root/whisper/whisperv6/benchmarks_test.go

// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package whisperv6

import (
    "crypto/sha256"
    "testing"

    "github.com/ethereum/go-ethereum/crypto"
    "golang.org/x/crypto/pbkdf2"
)

func BenchmarkDeriveKeyMaterial(b *testing.B) {
    for i := 0; i < b.N; i++ {
        pbkdf2.Key([]byte("test"), nil, 65356, aesKeyLength, sha256.New)
    }
}

func BenchmarkEncryptionSym(b *testing.B) {
    InitSingleTest()

    params, err := generateMessageParams()
    if err != nil {
        b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }

    for i := 0; i < b.N; i++ {
        msg, _ := NewSentMessage(params)
        _, err := msg.Wrap(params)
        if err != nil {
            b.Errorf("failed Wrap with seed %d: %s.", seed, err)
            b.Errorf("i = %d, len(msg.Raw) = %d, params.Payload = %d.", i, len(msg.Raw), len(params.Payload))
            return
        }
    }
}

func BenchmarkEncryptionAsym(b *testing.B) {
    InitSingleTest()

    params, err := generateMessageParams()
    if err != nil {
        b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }
    key, err := crypto.GenerateKey()
    if err != nil {
        b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err)
    }
    params.KeySym = nil
    params.Dst = &key.PublicKey

    for i := 0; i < b.N; i++ {
        msg, _ := NewSentMessage(params)
        _, err := msg.Wrap(params)
        if err != nil {
            b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
        }
    }
}

func BenchmarkDecryptionSymValid(b *testing.B) {
    InitSingleTest()

    params, err := generateMessageParams()
    if err != nil {
        b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }
    msg, _ := NewSentMessage(params)
    env, err := msg.Wrap(params)
    if err != nil {
        b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
    }
    f := Filter{KeySym: params.KeySym}

    for i := 0; i < b.N; i++ {
        msg := env.Open(&f)
        if msg == nil {
            b.Fatalf("failed to open with seed %d.", seed)
        }
    }
}

func BenchmarkDecryptionSymInvalid(b *testing.B) {
    InitSingleTest()

    params, err := generateMessageParams()
    if err != nil {
        b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }
    msg, _ := NewSentMessage(params)
    env, err := msg.Wrap(params)
    if err != nil {
        b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
    }
    f := Filter{KeySym: []byte("arbitrary stuff here")}

    for i := 0; i < b.N; i++ {
        msg := env.Open(&f)
        if msg != nil {
            b.Fatalf("opened envelope with invalid key, seed: %d.", seed)
        }
    }
}

func BenchmarkDecryptionAsymValid(b *testing.B) {
    InitSingleTest()

    params, err := generateMessageParams()
    if err != nil {
        b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }
    key, err := crypto.GenerateKey()
    if err != nil {
        b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err)
    }
    f := Filter{KeyAsym: key}
    params.KeySym = nil
    params.Dst = &key.PublicKey
    msg, _ := NewSentMessage(params)
    env, err := msg.Wrap(params)
    if err != nil {
        b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
    }

    for i := 0; i < b.N; i++ {
        msg := env.Open(&f)
        if msg == nil {
            b.Fatalf("fail to open, seed: %d.", seed)
        }
    }
}

func BenchmarkDecryptionAsymInvalid(b *testing.B) {
    InitSingleTest()

    params, err := generateMessageParams()
    if err != nil {
        b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }
    key, err := crypto.GenerateKey()
    if err != nil {
        b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err)
    }
    params.KeySym = nil
    params.Dst = &key.PublicKey
    msg, _ := NewSentMessage(params)
    env, err := msg.Wrap(params)
    if err != nil {
        b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
    }

    key, err = crypto.GenerateKey()
    if err != nil {
        b.Fatalf("failed GenerateKey with seed %d: %s.", seed, err)
    }
    f := Filter{KeyAsym: key}

    for i := 0; i < b.N; i++ {
        msg := env.Open(&f)
        if msg != nil {
            b.Fatalf("opened envelope with invalid key, seed: %d.", seed)
        }
    }
}

func increment(x []byte) {
    for i := 0; i < len(x); i++ {
        x[i]++
        if x[i] != 0 {
            break
        }
    }
}

func BenchmarkPoW(b *testing.B) {
    InitSingleTest()

    params, err := generateMessageParams()
    if err != nil {
        b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
    }
    params.Payload = make([]byte, 32)
    params.PoW = 10.0
    params.TTL = 1

    for i := 0; i < b.N; i++ {
        increment(params.Payload)
        msg, _ := NewSentMessage(params)
        _, err := msg.Wrap(params)
        if err != nil {
            b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
        }
    }
}