pkcs1

der: remove 256 MiB limit on `Length` #3581

Job	Run time
build (1.85.0, thumbv7em-none-eabi)	24s
test (1.85.0)	36s
build (stable, wasm32-unknown-unknown)	18s
build (stable, thumbv7em-none-eabi)	24s
build (1.85.0, wasm32-unknown-unknown)	27s
test (stable)	32s
minimal-versions	-1s
	2m 40s

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