CMS `EnvelopedData` #575

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 16s
build (1.65.0, wasm32-unknown-unknown)	1m 19s
build (stable, thumbv7em-none-eabi)	44s
build (stable, wasm32-unknown-unknown)	43s
test (1.65.0)	14m 51s
test (stable)	12m 25s
	31m 18s

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