Add various hybrid array sizes necessary for Kemeleon #84
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I am working on implementing an obfuscated encoding for ML-KEM encapsulation keys and ciphertexts and there are several non-standard array sizes that will make inter-operating between the custom library and
ml-kem
significantly easier. These would also be useful if the kemeleon encoding strategy is eventually added as a feature inside theml-kem
crate itself.The encoding and decoding algorithms are described in section 2.4 of Obfuscated Key Exchange by Günther, Stebila, and Veitch. The output byte array sizes are described in
Table 2
on page 8.