91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
// 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 expression
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import (
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"encoding/hex"
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"strings"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/ast"
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"github.com/pingcap/tidb/util/hack"
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"github.com/pingcap/tidb/util/testleak"
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"github.com/pingcap/tidb/util/types"
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)
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var aesCases = []struct {
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origin string
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key string
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crypt string
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}{
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{"pingcap", "1234567890123456", "697BFE9B3F8C2F289DD82C88C7BC95C4"},
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{"pingcap123", "1234567890123456", "CEC348F4EF5F84D3AA6C4FA184C65766"},
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{"pingcap", "123456789012345678901234", "6F1589686860C8E8C7A40A78B25FF2C0"},
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{"pingcap", "123", "996E0CA8688D7AD20819B90B273E01C6"},
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}
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func (s *testEvaluatorSuite) TestAESEncrypt(c *C) {
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defer testleak.AfterTest(c)()
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fc := funcs[ast.AesEncrypt]
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for _, test := range aesCases {
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str := types.NewStringDatum(test.origin)
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key := types.NewStringDatum(test.key)
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f, err := fc.getFunction(datumsToConstants([]types.Datum{str, key}), s.ctx)
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crypt, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(toHex(crypt), Equals, test.crypt)
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}
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s.testNullInput(c, ast.AesDecrypt)
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}
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func (s *testEvaluatorSuite) TestAESDecrypt(c *C) {
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defer testleak.AfterTest(c)()
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fc := funcs[ast.AesDecrypt]
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for _, test := range aesCases {
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cryptStr := fromHex(test.crypt)
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key := types.NewStringDatum(test.key)
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f, err := fc.getFunction(datumsToConstants([]types.Datum{cryptStr, key}), s.ctx)
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str, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(str.GetString(), Equals, test.origin)
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}
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s.testNullInput(c, ast.AesDecrypt)
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}
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func (s *testEvaluatorSuite) testNullInput(c *C, fnName string) {
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fc := funcs[fnName]
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arg := types.NewStringDatum("str")
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var argNull types.Datum
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f, err := fc.getFunction(datumsToConstants([]types.Datum{arg, argNull}), s.ctx)
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crypt, err := f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(crypt.IsNull(), IsTrue)
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f, err = fc.getFunction(datumsToConstants([]types.Datum{argNull, arg}), s.ctx)
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crypt, err = f.eval(nil)
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c.Assert(err, IsNil)
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c.Assert(crypt.IsNull(), IsTrue)
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}
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func toHex(d types.Datum) string {
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x, _ := d.ToString()
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return strings.ToUpper(hex.EncodeToString(hack.Slice(x)))
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}
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func fromHex(str string) (d types.Datum) {
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h, _ := hex.DecodeString(str)
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d.SetBytes(h)
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return d
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}
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