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Incorrect Object Identifier DER Encoding #1520

@zhengyao-lin

Description

@zhengyao-lin

The encoding seems to be incorrect for certain object identifiers at the boundary of arc length. For example:

// decoded: 1.2.0
println!("decoded: {:?}",  ObjectIdentifier::from_der(&ObjectIdentifier::new_unwrap("1.2.128").to_der().unwrap()));

// decoded: 1.2.0.0
println!("decoded: {:?}",  ObjectIdentifier::from_der(&ObjectIdentifier::new_unwrap("1.2.16384").to_der().unwrap()));

I'm using this crate:

der = { version = "0.7.9", features = [ "alloc", "oid" ] }

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