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131 lines
3.1 KiB
131 lines
3.1 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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"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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. "v2ray.com/ext/assert"
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)
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func TestAuthenticationReaderWriter(t *testing.T) {
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assert := With(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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assert(err, IsNil)
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aead, err := cipher.NewGCM(block)
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assert(err, IsNil)
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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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var payload buf.MultiBuffer
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payload.Write(rawPayload)
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assert(payload.Len(), Equals, int32(payloadSize))
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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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assert(writer.WriteMultiBuffer(payload), IsNil)
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assert(cache.Len(), Equals, int(82658))
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assert(writer.WriteMultiBuffer(buf.MultiBuffer{}), IsNil)
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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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assert(err, IsNil)
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mb.AppendMulti(mb2)
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}
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assert(mb.Len(), Equals, int32(payloadSize))
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mbContent := make([]byte, payloadSize)
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mb.Read(mbContent)
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assert(mbContent, Equals, rawPayload)
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_, err = reader.ReadMultiBuffer()
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assert(err, Equals, io.EOF)
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}
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func TestAuthenticationReaderWriterPacket(t *testing.T) {
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assert := With(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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assert(err, IsNil)
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aead, err := cipher.NewGCM(block)
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assert(err, IsNil)
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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(pb1)
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pb2 := buf.New()
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pb2.Write([]byte("efgh"))
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payload.Append(pb2)
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assert(writer.WriteMultiBuffer(payload), IsNil)
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assert(cache.Len(), GreaterThan, int32(0))
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assert(writer.WriteMultiBuffer(buf.MultiBuffer{}), IsNil)
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assert(err, IsNil)
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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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assert(err, IsNil)
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b1 := mb.SplitFirst()
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assert(b1.String(), Equals, "abcd")
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b2 := mb.SplitFirst()
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assert(b2.String(), Equals, "efgh")
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assert(mb.IsEmpty(), IsTrue)
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_, err = reader.ReadMultiBuffer()
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assert(err, Equals, io.EOF)
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}
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