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Kupyna: implemented hashing function #1113

Job	Run time
cross (1.72.0, aarch64-unknown-linux-gnu, default)	39s
cross (1.72.0, powerpc-unknown-linux-gnu, default)	37s
cross (stable, aarch64-unknown-linux-gnu, default)	30s
cross (stable, powerpc-unknown-linux-gnu, default)	40s
minimal-versions / minimal-versions	35s
set-msrv / set-msrv	2s
linux (x86_64-unknown-linux-gnu, 1.72.0)	40s
windows (x86_64-pc-windows-gnu, 1.72.0)	47s
linux (x86_64-unknown-linux-gnu, stable)	32s
macos (1.72.0)	27s
windows (x86_64-pc-windows-gnu, stable)	2m 17s
macos (stable)	20s
build (1.72.0, thumbv7em-none-eabi)	27s
build (1.72.0, wasm32-unknown-unknown)	27s
build (1.72.0, loongarch64-unknown-linux-gnu)	26s
build (stable, thumbv7em-none-eabi)	19s
build (stable, wasm32-unknown-unknown)	13s
build (stable, loongarch64-unknown-linux-gnu)	18s
	10m 16s

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