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v2fly/common/crypto/auth_test.go
2018-08-16 12:05:33 +02:00

131 lines
3.1 KiB
Go

package crypto_test
import (
"bytes"
"crypto/aes"
"crypto/cipher"
"crypto/rand"
"io"
"testing"
"v2ray.com/core/common"
"v2ray.com/core/common/buf"
. "v2ray.com/core/common/crypto"
"v2ray.com/core/common/protocol"
. "v2ray.com/ext/assert"
)
func TestAuthenticationReaderWriter(t *testing.T) {
assert := With(t)
key := make([]byte, 16)
rand.Read(key)
block, err := aes.NewCipher(key)
assert(err, IsNil)
aead, err := cipher.NewGCM(block)
assert(err, IsNil)
const payloadSize = 1024 * 80
rawPayload := make([]byte, payloadSize)
rand.Read(rawPayload)
var payload buf.MultiBuffer
payload.Write(rawPayload)
assert(payload.Len(), Equals, int32(payloadSize))
cache := bytes.NewBuffer(nil)
iv := make([]byte, 12)
rand.Read(iv)
writer := NewAuthenticationWriter(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: GenerateStaticBytes(iv),
AdditionalDataGenerator: GenerateEmptyBytes(),
}, PlainChunkSizeParser{}, cache, protocol.TransferTypeStream, nil)
assert(writer.WriteMultiBuffer(payload), IsNil)
assert(cache.Len(), Equals, int(82658))
assert(writer.WriteMultiBuffer(buf.MultiBuffer{}), IsNil)
reader := NewAuthenticationReader(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: GenerateStaticBytes(iv),
AdditionalDataGenerator: GenerateEmptyBytes(),
}, PlainChunkSizeParser{}, cache, protocol.TransferTypeStream, nil)
var mb buf.MultiBuffer
for mb.Len() < payloadSize {
mb2, err := reader.ReadMultiBuffer()
assert(err, IsNil)
mb.AppendMulti(mb2)
}
assert(mb.Len(), Equals, int32(payloadSize))
mbContent := make([]byte, payloadSize)
mb.Read(mbContent)
assert(mbContent, Equals, rawPayload)
_, err = reader.ReadMultiBuffer()
assert(err, Equals, io.EOF)
}
func TestAuthenticationReaderWriterPacket(t *testing.T) {
assert := With(t)
key := make([]byte, 16)
common.Must2(rand.Read(key))
block, err := aes.NewCipher(key)
assert(err, IsNil)
aead, err := cipher.NewGCM(block)
assert(err, IsNil)
cache := buf.New()
iv := make([]byte, 12)
rand.Read(iv)
writer := NewAuthenticationWriter(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: GenerateStaticBytes(iv),
AdditionalDataGenerator: GenerateEmptyBytes(),
}, PlainChunkSizeParser{}, cache, protocol.TransferTypePacket, nil)
var payload buf.MultiBuffer
pb1 := buf.New()
pb1.Write([]byte("abcd"))
payload.Append(pb1)
pb2 := buf.New()
pb2.Write([]byte("efgh"))
payload.Append(pb2)
assert(writer.WriteMultiBuffer(payload), IsNil)
assert(cache.Len(), GreaterThan, int32(0))
assert(writer.WriteMultiBuffer(buf.MultiBuffer{}), IsNil)
assert(err, IsNil)
reader := NewAuthenticationReader(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: GenerateStaticBytes(iv),
AdditionalDataGenerator: GenerateEmptyBytes(),
}, PlainChunkSizeParser{}, cache, protocol.TransferTypePacket, nil)
mb, err := reader.ReadMultiBuffer()
assert(err, IsNil)
b1 := mb.SplitFirst()
assert(b1.String(), Equals, "abcd")
b2 := mb.SplitFirst()
assert(b2.String(), Equals, "efgh")
assert(mb.IsEmpty(), IsTrue)
_, err = reader.ReadMultiBuffer()
assert(err, Equals, io.EOF)
}