Method sign

mls/src/main/java/org/bouncycastle/mls/protocol/Group.java:1542–1549

(Sender sender, Commit innerContent, byte[] authenticatedData, boolean encrypt)

    }

    private AuthenticatedContent sign(Sender sender, Commit innerContent, byte[] authenticatedData, boolean encrypt)
        throws Exception
    {
        FramedContent content = FramedContent.rawContent(groupID, epoch, sender, authenticatedData, ContentType.COMMIT, MLSOutputStream.encode(innerContent));
        WireFormat wireFormat = encrypt ? WireFormat.mls_private_message : WireFormat.mls_public_message;
        AuthenticatedContent authContent = AuthenticatedContent.sign(wireFormat, content, suite, identitySk, MLSOutputStream.encode(getGroupContext()));
        return authContent;
    }

    private AuthenticatedContent sign(Sender sender, Proposal innerContent, byte[] authenticatedData, boolean encrypt)
        throws Exception