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Posted to notifications@teaclave.apache.org by GitBox <gi...@apache.org> on 2020/06/02 07:09:01 UTC
[GitHub] [incubator-teaclave] czzmmc opened a new issue #328: Can I generate key for encrypting output file during computation instead of before registering output file
czzmmc opened a new issue #328:
URL: https://github.com/apache/incubator-teaclave/issues/328
Hi, here is problem that is a little bit hard for me. I see u guys kicked kms service and tdfs service away from the whole system. And if u want to compute something using teaclave, u have to generate a key for output file before the computation happens. But when I use teaclave to solve my preblem, it is usually not a single computation, which means I have to use several teaclave functions one by one like a chain. So I do not want any one know the keys of intermediate files but teaclave itself. And after the last computation finishes, I can get key from teaclave, just like tdfs kms style. It is possible that I can do that?
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[GitHub] [incubator-teaclave] mssun commented on issue #328: Can I generate key for encrypting output file during computation instead of before registering output file
Posted by GitBox <gi...@apache.org>.
mssun commented on issue #328:
URL: https://github.com/apache/incubator-teaclave/issues/328#issuecomment-652116023
Hi, any update on this issue? Thanks.
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[GitHub] [incubator-teaclave] teaclave-archiver commented on issue #328: Can I generate key for encrypting output file during computation instead of before registering output file
Posted by GitBox <gi...@apache.org>.
teaclave-archiver commented on issue #328:
URL: https://github.com/apache/incubator-teaclave/issues/328#issuecomment-637538102
Using encryption, anything is possible! Using a single symmetric key, you
can feed that into a cipher to form a random number generator. Then you can
use keys derived from the key stream.
On a more serious note, key management is definitely important. What
happened?
On Tue, Jun 2, 2020 at 02:09 czzmmc <no...@github.com> wrote:
> Hi, here is problem that is a little bit hard for me. I see u guys kicked
> kms service and tdfs service away from the whole system. And if u want to
> compute something using teaclave, u have to generate a key for output file
> before the computation happens. But when I use teaclave to solve my
> preblem, it is usually not a single computation, which means I have to use
> several teaclave functions one by one like a chain. So I do not want any
> one know the keys of intermediate files but teaclave itself. And after the
> last computation finishes, I can get key from teaclave, just like tdfs kms
> style. It is possible that I can do that?
>
> --
> You are receiving this because you are subscribed to this thread.
> Reply to this email directly or view it on GitHub:
> https://github.com/apache/incubator-teaclave/issues/328
--
Matt Sicker <bo...@gmail.com>
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[GitHub] [incubator-teaclave] mssun commented on issue #328: Can I generate key for encrypting output file during computation instead of before registering output file
Posted by GitBox <gi...@apache.org>.
mssun commented on issue #328:
URL: https://github.com/apache/incubator-teaclave/issues/328#issuecomment-637713516
Hi @czzmmc, I think you are talking about fusion data. For fusion data, you don't have to generate keys. (https://github.com/apache/incubator-teaclave/blob/master/services/proto/src/proto/teaclave_frontend_service.proto#L166).
Here is an example of fusion data:
https://github.com/apache/incubator-teaclave/blob/master/tests/functional/enclave/src/end_to_end/mesapy_data_fusion.rs
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