der::asn1

Struct SequenceRef

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pub struct SequenceRef<'a> { /* private fields */ }
Expand description

The SequenceRef type provides raw access to the octets which comprise a DER-encoded SEQUENCE.

This is a zero-copy reference type which borrows from the input data.

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impl<'a> DecodeValue<'a> for SequenceRef<'a>

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fn decode_value<R: Reader<'a>>(reader: &mut R, header: Header) -> Result<Self>

Attempt to decode this message using the provided Reader.
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impl EncodeValue for SequenceRef<'_>

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fn value_len(&self) -> Result<Length>

Compute the length of this value (sans Tag+Length header) when encoded as ASN.1 DER.
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fn encode_value(&self, writer: &mut impl Writer) -> Result<()>

Encode value (sans Tag+Length header) as ASN.1 DER using the provided Writer.
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fn header(&self) -> Result<Header>
where Self: Tagged,

Get the Header used to encode this value.
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impl<'a> Sequence<'a> for SequenceRef<'a>

Auto Trait Implementations§

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impl<'a> Freeze for SequenceRef<'a>

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impl<'a> RefUnwindSafe for SequenceRef<'a>

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impl<'a> Send for SequenceRef<'a>

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impl<'a> Sync for SequenceRef<'a>

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impl<'a> Unpin for SequenceRef<'a>

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impl<'a> UnwindSafe for SequenceRef<'a>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<'a, T> Choice<'a> for T
where T: Decode<'a> + FixedTag,

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fn can_decode(tag: Tag) -> bool

Is the provided Tag decodable as a variant of this CHOICE?
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impl<'a, T> Decode<'a> for T
where T: DecodeValue<'a> + FixedTag,

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fn decode<R>(reader: &mut R) -> Result<T, Error>
where R: Reader<'a>,

Attempt to decode this message using the provided decoder.
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fn from_der(bytes: &'a [u8]) -> Result<Self>

Parse Self from the provided DER-encoded byte slice.
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impl<T> Encode for T
where T: EncodeValue + Tagged,

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fn encoded_len(&self) -> Result<Length, Error>

Compute the length of this value in bytes when encoded as ASN.1 DER.

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fn encode(&self, writer: &mut impl Writer) -> Result<(), Error>

Encode this value as ASN.1 DER using the provided Writer.

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fn encode_to_slice<'a>(&self, buf: &'a mut [u8]) -> Result<&'a [u8]>

Encode this value to the provided byte slice, returning a sub-slice containing the encoded message.
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fn encode_to_vec(&self, buf: &mut Vec<u8>) -> Result<Length>

Encode this message as ASN.1 DER, appending it to the provided byte vector.
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fn to_der(&self) -> Result<Vec<u8>>

Encode this type as DER, returning a byte vector.
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impl<'a, S> FixedTag for S
where S: Sequence<'a>,

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const TAG: Tag = const TAG: Tag = Tag::Sequence;

ASN.1 tag
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Tagged for T
where T: FixedTag,

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fn tag(&self) -> Tag

Get the ASN.1 tag that this type is encoded with.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> DecodeOwned for T
where T: for<'a> Decode<'a>,