Samuel,
THANKS!
Not only does it list cSHAKE, but KMAC (which I use elsewhere) but
KangarooTwelve (go Team Keccek!), but not ASCON (just selected by NIST
for LWC).
It definitely gets me started.
Down the road, I will need x25519. And converting EdDSA25519 curves to
x25519 curves...
On 4/18/23 20:05, Samuel Sieb wrote:
On 2023-04-18 16:43, Robert Moskowitz wrote:
cSHAKE is a variant of SHA3 defined in NIST SP800-185. This is
different from SHAKE defined in FIPS-202.
I use cSHAKE in a number of my IETF standards (e.g. rfc9374). I
would like to be able to have a decent way to perform cSHAKE in a
python script, but it does not seem to exist. OpenSSL supports SHAKE
but not cSHAKE (it seems).
Does anyone have experience/knowledge of how to get a cSHAKE function
call on Fedora in python?
It looks like the package "python3-pycryptodomex" might have you want.
https://pycryptodome.readthedocs.io/en/v3.15.0/src/introduction.html
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