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S/MIME encryption proof of concept

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M66B
2019-12-03 19:29:46 +01:00
parent dd48729c5d
commit a156fe0034
4 changed files with 30 additions and 10 deletions
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6
app/src/main/java/eu/faircode/email/FragmentCompose.java
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@@ -1969,8 +1969,6 @@ public class FragmentCompose extends FragmentBase {
db.attachment().setDownloaded(sattachment.id, file.length());
} else if (EntityMessage.SMIME_SIGNENCRYPT.equals(draft.encrypt)) {
if (true)
throw new UnsupportedOperationException("Not implemented yet");
// TODO: sign
if (draft.to == null || draft.to.length != 1)
throw new IllegalArgumentException(getString(R.string.title_to_missing));
@@ -1992,12 +1990,12 @@ public class FragmentCompose extends FragmentBase {
bpContent.writeTo(bos);
CMSTypedData msg = new CMSProcessableByteArray(bos.toByteArray());
OutputEncryptor encryptor = new JceCMSContentEncryptorBuilder(CMSAlgorithm.AES256_CBC)
OutputEncryptor encryptor = new JceCMSContentEncryptorBuilder(CMSAlgorithm.AES128_CBC)
.build();
CMSEnvelopedData cmsEnvelopedData = cmsEnvelopedDataGenerator
.generate(msg, encryptor);
byte[] encryptedData = cmsEnvelopedData.toASN1Structure().getEncoded();
byte[] encryptedData = cmsEnvelopedData/*.toASN1Structure()*/.getEncoded();
EntityAttachment attachment = new EntityAttachment();
attachment.message = draft.id;