added some files

encrypter/rsa_encryptor_test.go

@@ -0,0 +1,46 @@
+package encrypter
+
+import (
+	"bytes"
+	"crypto"
+	"crypto/rsa"
+	"crypto/sha512"
+	"fmt"
+	"github.com/didiercrunch/ecrypto/helper"
+	"testing"
+)
+
+func TestHashIOReader(t *testing.T) {
+	rs := new(RsaSha512)
+	expt := "fabbbe22180f1f137cfdc9556d2570e775d1ae02a597ded43a72a40f9b485d500043b7b" +
+		"e128fb9fcd982b83159a0d99aa855a9e7cc4240c00dc01a9bdf8218d7"
+	input := bytes.NewBufferString("C is as portable as Stonehedge!!")
+	if hashValue, err := rs.hashIOReader(input); err != nil {
+		t.Error(err)
+	} else if fmt.Sprintf("%x", hashValue) != expt {
+		t.Errorf("Hash is not the same \n expected : %s\n"+
+			"results  : %x  ", expt, hashValue)
+	}
+}
+
+func TestSignStream(t *testing.T) {
+	toSlice := func(data [sha512.Size]byte) []byte {
+		ret := make([]byte, sha512.Size)
+		for i, datum := range data {
+			ret[i] = datum
+		}
+		return ret
+	}
+	privateKey := helper.GetRSAPrivateKey(1024)
+	rs := &RsaSha512{privateKey}
+	input := bytes.NewBufferString("something to sign")
+	signature, err := rs.SignStream(input, helper.NewMockRandomReader())
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	hashed := toSlice(sha512.Sum512([]byte("something to sign")))
+	if err := rsa.VerifyPSS(&privateKey.PublicKey, crypto.SHA512, hashed, signature, nil); err != nil {
+		t.Error(err)
+	}
+}