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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-12-22 18:17:52 -05:00
v2fly/common/crypto/auth_test.go
2016-12-12 21:49:04 +01:00

174 lines
4.1 KiB
Go

package crypto_test
import (
"crypto/aes"
"crypto/cipher"
"crypto/rand"
"io"
"testing"
"v2ray.com/core/common/buf"
. "v2ray.com/core/common/crypto"
"v2ray.com/core/testing/assert"
)
func TestAuthenticationReaderWriter(t *testing.T) {
assert := assert.On(t)
key := make([]byte, 16)
rand.Read(key)
block, err := aes.NewCipher(key)
assert.Error(err).IsNil()
aead, err := cipher.NewGCM(block)
assert.Error(err).IsNil()
payload := make([]byte, 8*1024)
rand.Read(payload)
cache := buf.NewLocal(16 * 1024)
iv := make([]byte, 12)
rand.Read(iv)
writer := NewAuthenticationWriter(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache)
nBytes, err := writer.Write(payload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload))
assert.Int(cache.Len()).GreaterThan(0)
_, err = writer.Write([]byte{})
assert.Error(err).IsNil()
reader := NewAuthenticationReader(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache, false)
actualPayload := make([]byte, 16*1024)
nBytes, err = reader.Read(actualPayload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload))
assert.Bytes(actualPayload[:nBytes]).Equals(payload)
_, err = reader.Read(actualPayload)
assert.Error(err).Equals(io.EOF)
}
func TestAuthenticationReaderWriterPartial(t *testing.T) {
assert := assert.On(t)
key := make([]byte, 16)
rand.Read(key)
block, err := aes.NewCipher(key)
assert.Error(err).IsNil()
aead, err := cipher.NewGCM(block)
assert.Error(err).IsNil()
payload := make([]byte, 8*1024)
rand.Read(payload)
cache := buf.NewLocal(16 * 1024)
iv := make([]byte, 12)
rand.Read(iv)
writer := NewAuthenticationWriter(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache)
nBytes, err := writer.Write(payload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload))
assert.Int(cache.Len()).GreaterThan(0)
_, err = writer.Write([]byte{})
assert.Error(err).IsNil()
reader := NewAuthenticationReader(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache, false)
actualPayload := make([]byte, 7*1024)
nBytes, err = reader.Read(actualPayload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(actualPayload))
assert.Bytes(actualPayload[:nBytes]).Equals(payload[:nBytes])
nBytes, err = reader.Read(actualPayload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload) - len(actualPayload))
assert.Bytes(actualPayload[:nBytes]).Equals(payload[7*1024:])
_, err = reader.Read(actualPayload)
assert.Error(err).Equals(io.EOF)
}
func TestAuthenticationReaderWriterAggressive(t *testing.T) {
assert := assert.On(t)
key := make([]byte, 16)
rand.Read(key)
block, err := aes.NewCipher(key)
assert.Error(err).IsNil()
aead, err := cipher.NewGCM(block)
assert.Error(err).IsNil()
payload := make([]byte, 7*1024)
rand.Read(payload)
cache := buf.NewLocal(16 * 1024)
iv := make([]byte, 12)
rand.Read(iv)
writer := NewAuthenticationWriter(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache)
nBytes, err := writer.Write(payload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload))
assert.Int(cache.Len()).GreaterThan(0)
_, err = writer.Write(payload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload))
_, err = writer.Write([]byte{})
assert.Error(err).IsNil()
reader := NewAuthenticationReader(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache, true)
actualPayload := make([]byte, 16*1024)
nBytes, err = reader.Read(actualPayload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload) * 2)
_, err = reader.Read(actualPayload)
assert.Error(err).Equals(io.EOF)
}