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101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
package codec
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import (
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"crypto/aes"
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"encoding/base64"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestAesEcb(t *testing.T) {
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var (
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key = []byte("q4t7w!z%C*F-JaNdRgUjXn2r5u8x/A?D")
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val = []byte("helloworld")
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valLong = []byte("helloworldlong..")
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badKey1 = []byte("aaaaaaaaa")
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// more than 32 chars
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badKey2 = []byte("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
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)
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_, err := EcbEncrypt(badKey1, val)
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assert.NotNil(t, err)
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_, err = EcbEncrypt(badKey2, val)
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assert.NotNil(t, err)
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dst, err := EcbEncrypt(key, val)
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assert.Nil(t, err)
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_, err = EcbDecrypt(badKey1, dst)
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assert.NotNil(t, err)
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_, err = EcbDecrypt(badKey2, dst)
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assert.NotNil(t, err)
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_, err = EcbDecrypt(key, val)
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// not enough block, just nil
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assert.Nil(t, err)
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src, err := EcbDecrypt(key, dst)
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assert.Nil(t, err)
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assert.Equal(t, val, src)
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block, err := aes.NewCipher(key)
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assert.NoError(t, err)
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encrypter := NewECBEncrypter(block)
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assert.Equal(t, 16, encrypter.BlockSize())
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decrypter := NewECBDecrypter(block)
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assert.Equal(t, 16, decrypter.BlockSize())
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dst = make([]byte, 8)
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encrypter.CryptBlocks(dst, val)
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for _, b := range dst {
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assert.Equal(t, byte(0), b)
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}
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dst = make([]byte, 8)
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encrypter.CryptBlocks(dst, valLong)
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for _, b := range dst {
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assert.Equal(t, byte(0), b)
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}
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dst = make([]byte, 8)
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decrypter.CryptBlocks(dst, val)
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for _, b := range dst {
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assert.Equal(t, byte(0), b)
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}
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dst = make([]byte, 8)
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decrypter.CryptBlocks(dst, valLong)
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for _, b := range dst {
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assert.Equal(t, byte(0), b)
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}
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_, err = EcbEncryptBase64("cTR0N3dDKkYtSmFOZFJnVWpYbjJyNXU4eC9BP0QK", "aGVsbG93b3JsZGxvbmcuLgo=")
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assert.Error(t, err)
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}
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func TestAesEcbBase64(t *testing.T) {
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const (
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val = "hello"
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badKey1 = "aaaaaaaaa"
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// more than 32 chars
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badKey2 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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)
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key := []byte("q4t7w!z%C*F-JaNdRgUjXn2r5u8x/A?D")
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b64Key := base64.StdEncoding.EncodeToString(key)
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b64Val := base64.StdEncoding.EncodeToString([]byte(val))
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_, err := EcbEncryptBase64(badKey1, val)
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assert.NotNil(t, err)
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_, err = EcbEncryptBase64(badKey2, val)
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assert.NotNil(t, err)
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_, err = EcbEncryptBase64(b64Key, val)
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assert.NotNil(t, err)
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dst, err := EcbEncryptBase64(b64Key, b64Val)
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assert.Nil(t, err)
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_, err = EcbDecryptBase64(badKey1, dst)
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assert.NotNil(t, err)
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_, err = EcbDecryptBase64(badKey2, dst)
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assert.NotNil(t, err)
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_, err = EcbDecryptBase64(b64Key, val)
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assert.NotNil(t, err)
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src, err := EcbDecryptBase64(b64Key, dst)
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assert.Nil(t, err)
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b, err := base64.StdEncoding.DecodeString(src)
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assert.Nil(t, err)
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assert.Equal(t, val, string(b))
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}
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