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In the [Signal X3DH protocol](https://www.signal.org/docs/specifications/x3dh/) one of the steps of `initiateKeyAgreement` is:
> An initial ciphertext encrypted with some AEAD encryption scheme using…
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Hi, I am new to homomorphic encryption. I didn't find how to shuffle ciphertexts in this library. Is there any way to do it? Thank you.
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For debugging it would be nice to be able to create one ciphertext per probe output, like what `./step2.sh` does.
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Based on discussions in https://github.com/google/heir/issues/906 (e.g., https://github.com/google/heir/issues/906#issuecomment-2292793948), I think it would be prudent to have everyone agree on a not…
j2kun updated
3 weeks ago
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Quynh reported that the ECC ciphertext in the current design is fed both to the hash internal to the ECC KEM and to the key combiner of the KEM. We should remove one of these.
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According to the seal manual (https://www.microsoft.com/en-us/research/uploads/prod/2017/11/sealmanual-2-3-1.pdf), before the relinearization,
```
c0 = [t/q (ct0[0]ct1[0])]_q
c1 = [t/q(ct0[0]c…
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Hi,
Which is the smallest resulting ciphertext size that can be obtained when ciphering a 1-digit number with a very simple policy?
Thank you!
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I'm trying to decrypt a JWE with a symmetric key, with`enc=A256GCM` and `alg=A256KW`, following the documentation I get something like this:
```python
# make JWK
aes_key_bytes = # raw bytes of t…
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Hi,
I've been experimenting with your code, having seen your YouTube video and read your related paper, both of which I found very helpful as a newcomer to both crypto and Cuda.
I've been focussin…
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Starting this issue so I have a place to jot down notes as I come across relevant information in the literature.
Basically, various passes will eventually need to start making decisions about wheth…