public void TestTwoAesKek() { byte[] data = Encoding.ASCII.GetBytes("WallaWallaWashington"); KeyParameter kek1 = CmsTestUtil.MakeAes192Key(); KeyParameter kek2 = CmsTestUtil.MakeAes192Key(); CmsEnvelopedDataStreamGenerator edGen = new CmsEnvelopedDataStreamGenerator(); byte[] kekId1 = new byte[] { 1, 2, 3, 4, 5 }; byte[] kekId2 = new byte[] { 5, 4, 3, 2, 1 }; edGen.AddKekRecipient("AES192", kek1, kekId1); edGen.AddKekRecipient("AES192", kek2, kekId2); MemoryStream bOut = new MemoryStream(); Stream outStream = edGen.Open( bOut, CmsEnvelopedDataGenerator.DesEde3Cbc); outStream.Write(data, 0, data.Length); outStream.Close(); CmsEnvelopedDataParser ep = new CmsEnvelopedDataParser(bOut.ToArray()); RecipientInformationStore recipients = ep.GetRecipientInfos(); Assert.AreEqual(ep.EncryptionAlgOid, CmsEnvelopedDataGenerator.DesEde3Cbc); RecipientID recSel = new RecipientID(); recSel.KeyIdentifier = kekId2; RecipientInformation recipient = recipients.GetFirstRecipient(recSel); Assert.AreEqual(recipient.KeyEncryptionAlgOid, "2.16.840.1.101.3.4.1.25"); CmsTypedStream recData = recipient.GetContentStream(kek2); Assert.IsTrue(Arrays.AreEqual(data, CmsTestUtil.StreamToByteArray(recData.ContentStream))); ep.Close(); }
public void TestAesKek() { byte[] data = Encoding.ASCII.GetBytes("WallaWallaWashington"); KeyParameter kek = CmsTestUtil.MakeAes192Key(); CmsEnvelopedDataStreamGenerator edGen = new CmsEnvelopedDataStreamGenerator(); byte[] kekId = new byte[] { 1, 2, 3, 4, 5 }; edGen.AddKekRecipient("AES192", kek, kekId); MemoryStream bOut = new MemoryStream(); Stream outStream = edGen.Open( bOut, CmsEnvelopedDataGenerator.DesEde3Cbc); outStream.Write(data, 0, data.Length); outStream.Close(); CmsEnvelopedDataParser ep = new CmsEnvelopedDataParser(bOut.ToArray()); RecipientInformationStore recipients = ep.GetRecipientInfos(); Assert.AreEqual(ep.EncryptionAlgOid, CmsEnvelopedDataGenerator.DesEde3Cbc); ICollection c = recipients.GetRecipients(); foreach (RecipientInformation recipient in c) { Assert.AreEqual(recipient.KeyEncryptionAlgOid, "2.16.840.1.101.3.4.1.25"); CmsTypedStream recData = recipient.GetContentStream(kek); Assert.IsTrue(Arrays.AreEqual(data, CmsTestUtil.StreamToByteArray(recData.ContentStream))); } ep.Close(); }