CMS `EnvelopedData` #988

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 55s
build (1.65.0, wasm32-unknown-unknown)	1m 34s
build (stable, thumbv7em-none-eabi)	21s
build (stable, wasm32-unknown-unknown)	24s
test (1.65.0)	2m 52s
test (stable)	1m 44s
minimal-versions / minimal-versions	2m 14s
	11m 4s

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