mirror of https://github.com/status-im/op-geth.git
63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
package crypto
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import (
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"bytes"
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"encoding/hex"
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"fmt"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/crypto/secp256k1"
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"github.com/ethereum/go-ethereum/ethutil"
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)
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// These tests are sanity checks.
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// They should ensure that we don't e.g. use Sha3-224 instead of Sha3-256
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// and that the sha3 library uses keccak-f permutation.
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func TestSha3(t *testing.T) {
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msg := []byte("abc")
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exp, _ := hex.DecodeString("4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45")
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checkhash(t, "Sha3-256", Sha3, msg, exp)
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}
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func TestSha256(t *testing.T) {
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msg := []byte("abc")
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exp, _ := hex.DecodeString("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")
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checkhash(t, "Sha256", Sha256, msg, exp)
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}
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func TestRipemd160(t *testing.T) {
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msg := []byte("abc")
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exp, _ := hex.DecodeString("8eb208f7e05d987a9b044a8e98c6b087f15a0bfc")
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checkhash(t, "Ripemd160", Ripemd160, msg, exp)
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}
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func checkhash(t *testing.T, name string, f func([]byte) []byte, msg, exp []byte) {
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sum := f(msg)
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if bytes.Compare(exp, sum) != 0 {
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t.Errorf("hash %s returned wrong result.\ngot: %x\nwant: %x", name, sum, exp)
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}
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}
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func BenchmarkSha3(b *testing.B) {
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a := []byte("hello world")
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amount := 1000000
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start := time.Now()
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for i := 0; i < amount; i++ {
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Sha3(a)
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}
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fmt.Println(amount, ":", time.Since(start))
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}
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func Test0Key(t *testing.T) {
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key := ethutil.Hex2Bytes("1111111111111111111111111111111111111111111111111111111111111111")
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p, err := secp256k1.GeneratePubKey(key)
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addr := Sha3(p[1:])[12:]
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fmt.Printf("%x\n", p)
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fmt.Printf("%v %x\n", err, addr)
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}
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