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