You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
package codec
|
|
|
|
import (
|
|
"math/big"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestDiffieHellman(t *testing.T) {
|
|
key1, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
key2, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
|
|
pubKey1, err := ComputeKey(key1.PubKey, key2.PriKey)
|
|
assert.Nil(t, err)
|
|
pubKey2, err := ComputeKey(key2.PubKey, key1.PriKey)
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, pubKey1, pubKey2)
|
|
}
|
|
|
|
func TestDiffieHellman1024(t *testing.T) {
|
|
old := p
|
|
p, _ = new(big.Int).SetString("F488FD584E49DBCD20B49DE49107366B336C380D451D0F7C88B31C7C5B2D8EF6F3C923C043F0A55B188D8EBB558CB85D38D334FD7C175743A31D186CDE33212CB52AFF3CE1B1294018118D7C84A70A72D686C40319C807297ACA950CD9969FABD00A509B0246D3083D66A45D419F9C7CBD894B221926BAABA25EC355E92F78C7", 16)
|
|
defer func() {
|
|
p = old
|
|
}()
|
|
|
|
key1, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
key2, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
|
|
pubKey1, err := ComputeKey(key1.PubKey, key2.PriKey)
|
|
assert.Nil(t, err)
|
|
pubKey2, err := ComputeKey(key2.PubKey, key1.PriKey)
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, pubKey1, pubKey2)
|
|
}
|
|
|
|
func TestDiffieHellmanMiddleManAttack(t *testing.T) {
|
|
key1, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
keyMiddle, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
key2, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
|
|
const aesByteLen = 32
|
|
pubKey1, err := ComputeKey(keyMiddle.PubKey, key1.PriKey)
|
|
assert.Nil(t, err)
|
|
src := []byte(`hello, world!`)
|
|
encryptedSrc, err := EcbEncrypt(pubKey1.Bytes()[:aesByteLen], src)
|
|
assert.Nil(t, err)
|
|
pubKeyMiddle, err := ComputeKey(key1.PubKey, keyMiddle.PriKey)
|
|
assert.Nil(t, err)
|
|
decryptedSrc, err := EcbDecrypt(pubKeyMiddle.Bytes()[:aesByteLen], encryptedSrc)
|
|
assert.Nil(t, err)
|
|
assert.Equal(t, string(src), string(decryptedSrc))
|
|
|
|
pubKeyMiddle, err = ComputeKey(key2.PubKey, keyMiddle.PriKey)
|
|
assert.Nil(t, err)
|
|
encryptedSrc, err = EcbEncrypt(pubKeyMiddle.Bytes()[:aesByteLen], decryptedSrc)
|
|
assert.Nil(t, err)
|
|
pubKey2, err := ComputeKey(keyMiddle.PubKey, key2.PriKey)
|
|
assert.Nil(t, err)
|
|
decryptedSrc, err = EcbDecrypt(pubKey2.Bytes()[:aesByteLen], encryptedSrc)
|
|
assert.Nil(t, err)
|
|
assert.Equal(t, string(src), string(decryptedSrc))
|
|
}
|
|
|
|
func TestKeyBytes(t *testing.T) {
|
|
var empty DhKey
|
|
assert.Equal(t, 0, len(empty.Bytes()))
|
|
|
|
key, err := GenerateKey()
|
|
assert.Nil(t, err)
|
|
assert.True(t, len(key.Bytes()) > 0)
|
|
}
|