CMS `EnvelopedData` #504

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	48s
build (1.65.0, wasm32-unknown-unknown)	50s
build (stable, thumbv7em-none-eabi)	22s
build (stable, wasm32-unknown-unknown)	20s
test (1.65.0)	52s
test (stable)	22s
minimal-versions / minimal-versions	22s
	3m 56s

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