// Copyright 2017 PingCAP, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // See the License for the specific language governing permissions and // limitations under the License. package encrypt import ( "crypto/aes" "encoding/hex" "strings" "testing" . "github.com/pingcap/check" "github.com/pingcap/tidb/util/testleak" ) var _ = Suite(&testEncryptSuite{}) func TestT(t *testing.T) { CustomVerboseFlag = true TestingT(t) } type testEncryptSuite struct { } func toHex(buf []byte) string { return strings.ToUpper(hex.EncodeToString(buf)) } func (s *testEncryptSuite) TestPad(c *C) { defer testleak.AfterTest(c)() p := []byte{0x0A, 0x0B, 0x0C, 0x0D} p, err := PKCS7Pad(p, 8) c.Assert(err, IsNil) c.Assert(toHex(p), Equals, "0A0B0C0D04040404") p = []byte{0x0A, 0x0B, 0x0C, 0x0D, 0x0A, 0x0B, 0x0C, 0x0D} p, err = PKCS7Pad(p, 8) c.Assert(err, IsNil) c.Assert(toHex(p), Equals, "0A0B0C0D0A0B0C0D0808080808080808") p = []byte{0x0A, 0x0B, 0x0C, 0x0D} p, err = PKCS7Pad(p, 16) c.Assert(err, IsNil) c.Assert(toHex(p), Equals, "0A0B0C0D0C0C0C0C0C0C0C0C0C0C0C0C") } func (s *testEncryptSuite) TestUnpad(c *C) { defer testleak.AfterTest(c)() // Valid paddings. p := []byte{0x0A, 0x0B, 0x0C, 0x0D, 0x04, 0x04, 0x04, 0x04} p, err := PKCS7Unpad(p, 8) c.Assert(err, IsNil) c.Assert(toHex(p), Equals, "0A0B0C0D") p = []byte{0x0A, 0x0B, 0x0C, 0x0D, 0x0A, 0x0B, 0x0C, 0x0D, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08} p, err = PKCS7Unpad(p, 8) c.Assert(err, IsNil) c.Assert(toHex(p), Equals, "0A0B0C0D0A0B0C0D") p = []byte{0x0A, 0x0B, 0x0C, 0x0D, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C} p, err = PKCS7Unpad(p, 16) c.Assert(err, IsNil) c.Assert(toHex(p), Equals, "0A0B0C0D") p = []byte{0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08} p, err = PKCS7Unpad(p, 8) c.Assert(err, IsNil) c.Assert(toHex(p), Equals, "") // Invalid padding: incorrect block size p = []byte{0x0A, 0x0B, 0x0C, 0x04, 0x04, 0x04, 0x04} _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) p = []byte{0x0A, 0x0B, 0x0C, 0x02, 0x03, 0x04, 0x04, 0x04, 0x04} _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) p = []byte{} _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) // Invalid padding: padding length > block length p = []byte{0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09} _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) // Invalid padding: padding length == 0 p = []byte{0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x00} // ^^^^ _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) // Invalid padding: padding content invalid p = []byte{0x0A, 0x0B, 0x0C, 0x0D, 0x0A, 0x0B, 0x0C, 0x0D, 0x04, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08} // ^^^^ _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) // Invalid padding: padding content invalid p = []byte{0x03, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08} // ^^^^ _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) // Invalid padding: padding content invalid p = []byte{0x0A, 0x0B, 0x0C, 0x0D, 0x04, 0x04, 0x03, 0x04} // ^^^^ _, err = PKCS7Unpad(p, 8) c.Assert(err, NotNil) } func (s *testEncryptSuite) TestAESECB(c *C) { defer testleak.AfterTest(c)() var commonInput = []byte{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10, } var commonKey128 = []byte{0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c} var commonKey192 = []byte{ 0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52, 0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5, 0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b, } var commonKey256 = []byte{ 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe, 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81, 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7, 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4, } var ecbAESTests = []struct { name string key []byte in []byte out []byte }{ // NIST SP 800-38A pp 24-27 { "ECB-AES128", commonKey128, commonInput, []byte{ 0x3a, 0xd7, 0x7b, 0xb4, 0x0d, 0x7a, 0x36, 0x60, 0xa8, 0x9e, 0xca, 0xf3, 0x24, 0x66, 0xef, 0x97, 0xf5, 0xd3, 0xd5, 0x85, 0x03, 0xb9, 0x69, 0x9d, 0xe7, 0x85, 0x89, 0x5a, 0x96, 0xfd, 0xba, 0xaf, 0x43, 0xb1, 0xcd, 0x7f, 0x59, 0x8e, 0xce, 0x23, 0x88, 0x1b, 0x00, 0xe3, 0xed, 0x03, 0x06, 0x88, 0x7b, 0x0c, 0x78, 0x5e, 0x27, 0xe8, 0xad, 0x3f, 0x82, 0x23, 0x20, 0x71, 0x04, 0x72, 0x5d, 0xd4, }, }, { "ECB-AES192", commonKey192, commonInput, []byte{ 0xbd, 0x33, 0x4f, 0x1d, 0x6e, 0x45, 0xf2, 0x5f, 0xf7, 0x12, 0xa2, 0x14, 0x57, 0x1f, 0xa5, 0xcc, 0x97, 0x41, 0x04, 0x84, 0x6d, 0x0a, 0xd3, 0xad, 0x77, 0x34, 0xec, 0xb3, 0xec, 0xee, 0x4e, 0xef, 0xef, 0x7a, 0xfd, 0x22, 0x70, 0xe2, 0xe6, 0x0a, 0xdc, 0xe0, 0xba, 0x2f, 0xac, 0xe6, 0x44, 0x4e, 0x9a, 0x4b, 0x41, 0xba, 0x73, 0x8d, 0x6c, 0x72, 0xfb, 0x16, 0x69, 0x16, 0x03, 0xc1, 0x8e, 0x0e, }, }, { "ECB-AES256", commonKey256, commonInput, []byte{ 0xf3, 0xee, 0xd1, 0xbd, 0xb5, 0xd2, 0xa0, 0x3c, 0x06, 0x4b, 0x5a, 0x7e, 0x3d, 0xb1, 0x81, 0xf8, 0x59, 0x1c, 0xcb, 0x10, 0xd4, 0x10, 0xed, 0x26, 0xdc, 0x5b, 0xa7, 0x4a, 0x31, 0x36, 0x28, 0x70, 0xb6, 0xed, 0x21, 0xb9, 0x9c, 0xa6, 0xf4, 0xf9, 0xf1, 0x53, 0xe7, 0xb1, 0xbe, 0xaf, 0xed, 0x1d, 0x23, 0x30, 0x4b, 0x7a, 0x39, 0xf9, 0xf3, 0xff, 0x06, 0x7d, 0x8d, 0x8f, 0x9e, 0x24, 0xec, 0xc7, }, }, } for _, tt := range ecbAESTests { test := tt.name cipher, err := aes.NewCipher(tt.key) c.Assert(err, IsNil, Commentf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err)) encrypter := newECBEncrypter(cipher) d := make([]byte, len(tt.in)) encrypter.CryptBlocks(d, tt.in) c.Assert(toHex(tt.out), Equals, toHex(d), Commentf("%s: ECBEncrypter\nhave %x\nwant %x", test, d, tt.out)) decrypter := newECBDecrypter(cipher) p := make([]byte, len(d)) decrypter.CryptBlocks(p, d) c.Assert(toHex(tt.in), Equals, toHex(p), Commentf("%s: ECBDecrypter\nhave %x\nwant %x", test, d, tt.in)) } } func (s *testEncryptSuite) TestAESEncryptWithECB(c *C) { defer testleak.AfterTest(c)() tests := []struct { str string key string expect string isError bool }{ // 128 bits key {"pingcap", "1234567890123456", "697BFE9B3F8C2F289DD82C88C7BC95C4", false}, {"pingcap123", "1234567890123456", "CEC348F4EF5F84D3AA6C4FA184C65766", false}, // 192 bits key {"pingcap", "123456789012345678901234", "E435438AC6798B4718533096436EC342", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "", true}, {"pingcap", "123456789012345", "", true}, } for _, t := range tests { str := []byte(t.str) key := []byte(t.key) crypted, err := AESEncryptWithECB(str, key) if t.isError { c.Assert(err, NotNil, Commentf("%v", t)) continue } c.Assert(err, IsNil, Commentf("%v", t)) result := toHex(crypted) c.Assert(result, Equals, t.expect, Commentf("%v", t)) } } func (s *testEncryptSuite) TestAESDecryptWithECB(c *C) { defer testleak.AfterTest(c)() tests := []struct { expect string key string hexCryptStr string isError bool }{ // 128 bits key {"pingcap", "1234567890123456", "697BFE9B3F8C2F289DD82C88C7BC95C4", false}, {"pingcap123", "1234567890123456", "CEC348F4EF5F84D3AA6C4FA184C65766", false}, // 192 bits key {"pingcap", "123456789012345678901234", "E435438AC6798B4718533096436EC342", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "", true}, {"pingcap", "123456789012345", "", true}, // negtive cases: invalid padding / padding size {"", "1234567890123456", "11223344556677112233", true}, {"", "1234567890123456", "11223344556677112233112233445566", true}, {"", "1234567890123456", "1122334455667711223311223344556611", true}, } for _, t := range tests { cryptStr, _ := hex.DecodeString(t.hexCryptStr) key := []byte(t.key) result, err := AESDecryptWithECB(cryptStr, key) if t.isError { c.Assert(err, NotNil) continue } c.Assert(err, IsNil) c.Assert(string(result), Equals, t.expect) } } func (s *testEncryptSuite) TestAESEncryptWithCBC(c *C) { defer testleak.AfterTest(c)() tests := []struct { str string key string iv string expect string isError bool }{ // 128 bits key {"pingcap", "1234567890123456", "1234567890123456", "2ECA0077C5EA5768A0485AA522774792", false}, {"pingcap123", "1234567890123456", "1234567890123456", "042962D340F2F95BCC07B56EAC378D3A", false}, // 192 bits key {"pingcap", "123456789012345678901234", "1234567890123456", "EDECE05D9FE662E381130F7F19BA67F7", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "1234567890123456", "", true}, {"pingcap", "123456789012345", "1234567890123456", "", true}, } for _, t := range tests { str := []byte(t.str) key := []byte(t.key) iv := []byte(t.iv) crypted, err := AESEncryptWithCBC(str, key, iv) if t.isError { c.Assert(err, NotNil, Commentf("%v", t)) continue } c.Assert(err, IsNil, Commentf("%v", t)) result := toHex(crypted) c.Assert(result, Equals, t.expect, Commentf("%v", t)) } } func (s *testEncryptSuite) TestAESEncryptWithOFB(c *C) { defer testleak.AfterTest(c)() tests := []struct { str string key string iv string expect string isError bool }{ // 128 bits key {"pingcap", "1234567890123456", "1234567890123456", "0515A36BBF3DE0", false}, {"pingcap123", "1234567890123456", "1234567890123456", "0515A36BBF3DE0DBE9DD", false}, // 192 bits key {"pingcap", "123456789012345678901234", "1234567890123456", "45A57592449893", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "1234567890123456", "", true}, {"pingcap", "123456789012345", "1234567890123456", "", true}, } for _, t := range tests { str := []byte(t.str) key := []byte(t.key) iv := []byte(t.iv) crypted, err := AESEncryptWithOFB(str, key, iv) if t.isError { c.Assert(err, NotNil, Commentf("%v", t)) continue } c.Assert(err, IsNil, Commentf("%v", t)) result := toHex(crypted) c.Assert(result, Equals, t.expect, Commentf("%v", t)) } } func (s *testEncryptSuite) TestAESDecryptWithOFB(c *C) { defer testleak.AfterTest(c)() tests := []struct { str string key string iv string expect string isError bool }{ // 128 bits key {"0515A36BBF3DE0", "1234567890123456", "1234567890123456", "pingcap", false}, {"0515A36BBF3DE0DBE9DD", "1234567890123456", "1234567890123456", "pingcap123", false}, // 192 bits key {"45A57592449893", "123456789012345678901234", "1234567890123456", "pingcap", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "1234567890123456", "", true}, {"pingcap", "123456789012345", "1234567890123456", "", true}, } for _, t := range tests { str, _ := hex.DecodeString(t.str) key := []byte(t.key) iv := []byte(t.iv) plainText, err := AESDecryptWithOFB(str, key, iv) if t.isError { c.Assert(err, NotNil, Commentf("%v", t)) continue } c.Assert(err, IsNil, Commentf("%v", t)) c.Assert(string(plainText), Equals, t.expect, Commentf("%v", t)) } } func (s *testEncryptSuite) TestAESDecryptWithCBC(c *C) { defer testleak.AfterTest(c)() tests := []struct { expect string key string iv string hexCryptStr string isError bool }{ // 128 bits key {"pingcap", "1234567890123456", "1234567890123456", "2ECA0077C5EA5768A0485AA522774792", false}, {"pingcap123", "1234567890123456", "1234567890123456", "042962D340F2F95BCC07B56EAC378D3A", false}, // 192 bits key {"pingcap", "123456789012345678901234", "1234567890123456", "EDECE05D9FE662E381130F7F19BA67F7", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "1234567890123456", "", true}, {"pingcap", "123456789012345", "1234567890123456", "", true}, // negtive cases: invalid padding / padding size {"", "1234567890123456", "1234567890123456", "11223344556677112233", true}, {"", "1234567890123456", "1234567890123456", "11223344556677112233112233445566", true}, {"", "1234567890123456", "1234567890123456", "1122334455667711223311223344556611", true}, } for _, t := range tests { cryptStr, _ := hex.DecodeString(t.hexCryptStr) key := []byte(t.key) iv := []byte(t.iv) result, err := AESDecryptWithCBC(cryptStr, key, iv) if t.isError { c.Assert(err, NotNil) continue } c.Assert(err, IsNil) c.Assert(string(result), Equals, t.expect) } } func (s *testEncryptSuite) TestAESEncryptWithCFB(c *C) { defer testleak.AfterTest(c)() tests := []struct { str string key string iv string expect string isError bool }{ // 128 bits key {"pingcap", "1234567890123456", "1234567890123456", "0515A36BBF3DE0", false}, {"pingcap123", "1234567890123456", "1234567890123456", "0515A36BBF3DE0DBE9DD", false}, // 192 bits key {"pingcap", "123456789012345678901234", "1234567890123456", "45A57592449893", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "1234567890123456", "", true}, {"pingcap", "123456789012345", "1234567890123456", "", true}, } for _, t := range tests { str := []byte(t.str) key := []byte(t.key) iv := []byte(t.iv) crypted, err := AESEncryptWithCFB(str, key, iv) if t.isError { c.Assert(err, NotNil, Commentf("%v", t)) continue } c.Assert(err, IsNil, Commentf("%v", t)) result := toHex(crypted) c.Assert(result, Equals, t.expect, Commentf("%v", t)) } } func (s *testEncryptSuite) TestAESDecryptWithCFB(c *C) { defer testleak.AfterTest(c)() tests := []struct { str string key string iv string expect string isError bool }{ // 128 bits key {"0515A36BBF3DE0", "1234567890123456", "1234567890123456", "pingcap", false}, {"0515A36BBF3DE0DBE9DD", "1234567890123456", "1234567890123456", "pingcap123", false}, // 192 bits key {"45A57592449893", "123456789012345678901234", "1234567890123456", "pingcap", false}, // 192 bit // negtive cases: invalid key length {"pingcap", "12345678901234567", "1234567890123456", "", true}, {"pingcap", "123456789012345", "1234567890123456", "", true}, } for _, t := range tests { str, _ := hex.DecodeString(t.str) key := []byte(t.key) iv := []byte(t.iv) plainText, err := AESDecryptWithCFB(str, key, iv) if t.isError { c.Assert(err, NotNil, Commentf("%v", t)) continue } c.Assert(err, IsNil, Commentf("%v", t)) c.Assert(string(plainText), Equals, t.expect, Commentf("%v", t)) } } func (s *testEncryptSuite) TestDeriveKeyMySQL(c *C) { defer testleak.AfterTest(c)() p := []byte("MySQL=insecure! MySQL=insecure! ") p = DeriveKeyMySQL(p, 16) c.Assert(toHex(p), Equals, "00000000000000000000000000000000") // Short password. p = []byte{0xC0, 0x10, 0x44, 0xCC, 0x10, 0xD9} p = DeriveKeyMySQL(p, 16) c.Assert(toHex(p), Equals, "C01044CC10D900000000000000000000") // Long password. p = []byte("MySecretVeryLooooongPassword") p = DeriveKeyMySQL(p, 16) c.Assert(toHex(p), Equals, "22163D0233131607210A001D4C6F6F6F") }