/
message_test.go
126 lines (102 loc) · 2.25 KB
/
message_test.go
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package message
import (
"bytes"
"crypto/rand"
"github.com/cossacklabs/themis/gothemis/keys"
"math/big"
"testing"
)
func testWrap(keytype int, t *testing.T) {
kpa, err := keys.New(keytype)
if nil != err {
t.Error(err)
}
kpb, err := keys.New(keytype)
if nil != err {
t.Error(err)
}
messageLength, err := rand.Int(rand.Reader, big.NewInt(2048))
if nil != err {
t.Error(err)
}
length := messageLength.Int64()
if length == 0 {
length = 1
}
message := make([]byte, length)
_, err = rand.Read(message)
if nil != err {
t.Error(err)
}
sma := New(kpa.Private, kpb.Public)
_, err = sma.Wrap(nil)
if nil == err {
t.Error("Secure message empty data encryption")
}
_, err = sma.Wrap([]byte{})
if nil == err {
t.Error("Secure message empty data encryption")
}
wrapped, err := sma.Wrap(message)
if nil != err {
t.Error(err)
}
if 0 == bytes.Compare(message, wrapped) {
t.Error("Original message and wrapped message match")
}
smb := New(kpb.Private, kpa.Public)
_, err = smb.Unwrap(nil)
if nil == err {
t.Error("Secure Message empty data decryption")
}
_, err = smb.Unwrap([]byte{})
if nil == err {
t.Error("Secure Message empty data decryption")
}
unwrapped, err := smb.Unwrap(wrapped)
if nil != err {
t.Error(err)
}
if 0 != bytes.Compare(message, unwrapped) {
t.Error("Original message and unwrapped message do not match")
}
}
func testSign(keytype int, t *testing.T) {
kp, err := keys.New(keytype)
if nil != err {
t.Error(err)
}
messageLength, err := rand.Int(rand.Reader, big.NewInt(2048))
if nil != err {
t.Error(err)
}
length := messageLength.Int64()
if length == 0 {
length = 1
}
message := make([]byte, length)
sma := New(kp.Private, nil)
signed, err := sma.Sign(message)
if nil != err {
t.Error(err)
}
if 0 == bytes.Compare(message, signed) {
t.Error("Original message and signed message match")
}
smb := New(nil, kp.Public)
verified, err := smb.Verify(signed)
if nil != err {
t.Error(err)
}
if 0 != bytes.Compare(message, verified) {
t.Error("Original message and verified message do not match")
}
}
func TestMessageWrap(t *testing.T) {
testWrap(keys.TypeEC, t)
testWrap(keys.TypeRSA, t)
}
func TestMessageSign(t *testing.T) {
testSign(keys.TypeEC, t)
testSign(keys.TypeRSA, t)
}