Frank Denis 9ede8ee135 Add std.crypto.hash.sha3.{KT128,KT256} - RFC 9861. (#25593)
KangarooTwelve is a family of two fast and secure extendable-output
functions (XOFs): KT128 and KT256. These functions generalize
traditional hash functions by allowing arbitrary output lengths.

KangarooTwelve was designed by SHA-3 authors. It aims to deliver
higher performance than the SHA-3 and SHAKE functions defined in
FIPS 202, while preserving their flexibility and core security
principles.

On high-end platforms, it can take advantage of parallelism,
whether through multiple CPU cores or SIMD instructions.

As modern SHA-3 constructions, KT128 and KT256 can serve as
general-purpose hash functions and can be used, for example, in
key-derivation, and with arbitrarily large inputs.

RFC9861: https://datatracker.ietf.org/doc/rfc9861/
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