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144 lines
3.3 KiB
144 lines
3.3 KiB
package crypto_test
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import (
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"bytes"
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"io"
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"testing"
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"github.com/google/go-cmp/cmp"
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"v2ray.com/core/common"
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"v2ray.com/core/common/buf"
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. "v2ray.com/core/common/crypto"
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"v2ray.com/core/common/protocol"
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)
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func TestAuthenticationReaderWriter(t *testing.T) {
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key := make([]byte, 16)
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rand.Read(key)
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block, err := aes.NewCipher(key)
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common.Must(err)
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aead, err := cipher.NewGCM(block)
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common.Must(err)
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const payloadSize = 1024 * 80
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rawPayload := make([]byte, payloadSize)
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rand.Read(rawPayload)
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payload := buf.MergeBytes(nil, rawPayload)
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cache := bytes.NewBuffer(nil)
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iv := make([]byte, 12)
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rand.Read(iv)
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writer := NewAuthenticationWriter(&AEADAuthenticator{
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypeStream, nil)
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common.Must(writer.WriteMultiBuffer(payload))
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if cache.Len() <= 1024*80 {
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t.Error("cache len: ", cache.Len())
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}
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common.Must(writer.WriteMultiBuffer(buf.MultiBuffer{}))
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reader := NewAuthenticationReader(&AEADAuthenticator{
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypeStream, nil)
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var mb buf.MultiBuffer
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for mb.Len() < payloadSize {
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mb2, err := reader.ReadMultiBuffer()
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common.Must(err)
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mb, _ = buf.MergeMulti(mb, mb2)
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}
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if mb.Len() != payloadSize {
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t.Error("mb len: ", mb.Len())
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}
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mbContent := make([]byte, payloadSize)
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buf.SplitBytes(mb, mbContent)
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if r := cmp.Diff(mbContent, rawPayload); r != "" {
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t.Error(r)
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}
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_, err = reader.ReadMultiBuffer()
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if err != io.EOF {
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t.Error("error: ", err)
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}
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}
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func TestAuthenticationReaderWriterPacket(t *testing.T) {
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key := make([]byte, 16)
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common.Must2(rand.Read(key))
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block, err := aes.NewCipher(key)
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common.Must(err)
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aead, err := cipher.NewGCM(block)
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common.Must(err)
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cache := buf.New()
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iv := make([]byte, 12)
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rand.Read(iv)
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writer := NewAuthenticationWriter(&AEADAuthenticator{
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypePacket, nil)
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var payload buf.MultiBuffer
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pb1 := buf.New()
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pb1.Write([]byte("abcd"))
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payload = append(payload, pb1)
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pb2 := buf.New()
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pb2.Write([]byte("efgh"))
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payload = append(payload, pb2)
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common.Must(writer.WriteMultiBuffer(payload))
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if cache.Len() == 0 {
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t.Error("cache len: ", cache.Len())
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}
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common.Must(writer.WriteMultiBuffer(buf.MultiBuffer{}))
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reader := NewAuthenticationReader(&AEADAuthenticator{
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AEAD: aead,
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NonceGenerator: GenerateStaticBytes(iv),
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AdditionalDataGenerator: GenerateEmptyBytes(),
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}, PlainChunkSizeParser{}, cache, protocol.TransferTypePacket, nil)
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mb, err := reader.ReadMultiBuffer()
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common.Must(err)
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mb, b1 := buf.SplitFirst(mb)
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if b1.String() != "abcd" {
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t.Error("b1: ", b1.String())
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}
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mb, b2 := buf.SplitFirst(mb)
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if b2.String() != "efgh" {
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t.Error("b2: ", b2.String())
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}
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if !mb.IsEmpty() {
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t.Error("not empty")
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}
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_, err = reader.ReadMultiBuffer()
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if err != io.EOF {
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t.Error("error: ", err)
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}
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}
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