func (t *SignerTest) TestStringSigner(c *C) {
s := signer.NewBase64Signer(h)
table := []struct {
msg []byte
b []byte
}{
{
msg: []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
b: []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e, 0x7a, 0x5f, 0x36, 0x74, 0x5f, 0x59, 0x58, 0x54, 0x2d, 0x4b, 0x5f, 0x4c, 0x6b, 0x69, 0x38, 0x77, 0x68, 0x4d, 0x65, 0x62, 0x39, 0x75, 0x43, 0x70, 0x42, 0x37, 0x6f},
},
{
msg: []byte{},
b: []byte{0x2e, 0x6d, 0x72, 0x49, 0x56, 0x70, 0x56, 0x6b, 0x34, 0x55, 0x65, 0x41, 0x63, 0x70, 0x61, 0x49, 0x61, 0x51, 0x51, 0x34, 0x32, 0x38, 0x75, 0x36, 0x6a, 0x52, 0x57, 0x63},
},
}
for _, r := range table {
for i := 0; i < 10; i++ {
c.Assert(s.Sign(r.msg), DeepEquals, r.b)
msg, ok := s.Verify(r.b)
c.Assert(msg, HasLen, len(r.msg))
if len(msg) > 0 {
c.Assert(msg, DeepEquals, r.msg)
}
c.Assert(ok, Equals, true)
}
}
}
func (t *SignerTest) BenchmarkBase64Sign(c *C) {
s := signer.NewBase64Signer(h)
data := []byte("hello")
for i := 0; i < c.N; i++ {
s.Sign(data)
}
}
func (t *SignerTest) TestItsDangerousSignerCompatibility(c *C) {
sha1Hash := sha1.New()
sha1Hash.Write([]byte("itsdangerous.Signersignerfoo-bar"))
key := sha1Hash.Sum(nil)
h = hmac.New(func() hash.Hash {
return sha1.New()
}, key)
s := signer.NewBase64Signer(h)
msg := s.Sign([]byte("hello"))
c.Assert(string(msg), Equals, "hello.z_6t_YXT-K_Lki8whMeb9uCpB7o")
}
func ExampleSign() {
h := hmac.New(func() hash.Hash {
return md5.New()
}, []byte("secret"))
s := signer.NewBase64Signer(h)
msg := []byte("hello")
b := s.Sign(msg)
fmt.Println(string(b))
// Output: hello.ut5jhjxh7QsxZYBuzWrO_A
}
func ExampleVerify() {
h := hmac.New(func() hash.Hash {
return md5.New()
}, []byte("secret"))
s := signer.NewBase64Signer(h)
b := []byte("hello.ut5jhjxh7QsxZYBuzWrO_A")
msg, ok := s.Verify(b)
fmt.Println(ok)
fmt.Println(string(msg))
// Output:
// true
// hello
}