Struct der_parser::der::Header

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pub struct Header<'a> { /* private fields */ }

Expand description

BER/DER object header (identifier and length)

Implementations

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impl<'a> Header<'a>

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pub const fn new(
    class: Class,
    constructed: bool,
    tag: Tag,
    length: Length
) -> Header<'a>

Build a new BER/DER header from the provided values

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pub const fn new_simple(tag: Tag) -> Header<'a>

Build a new BER/DER header from the provided tag, with default values for other fields

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pub fn with_class(self, class: Class) -> Header<'a>

Set the class of this Header

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pub fn with_constructed(self, constructed: bool) -> Header<'a>

Set the constructed flags of this Header

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pub fn with_tag(self, tag: Tag) -> Header<'a>

Set the tag of this Header

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pub fn with_length(self, length: Length) -> Header<'a>

Set the length of this Header

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pub fn with_raw_tag(self, raw_tag: Option<Cow<'a, [u8 ]>>) -> Header<'a>

Update header to add reference to raw tag

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pub const fn class(&self) -> Class

Return the class of this header.

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pub const fn constructed(&self) -> bool

Return true if this header has the ‘constructed’ flag.

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pub const fn tag(&self) -> Tag

Return the tag of this header.

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pub const fn length(&self) -> Length

Return the length of this header.

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pub fn raw_tag(&self) -> Option<&[u8 ]>

Return the raw tag encoding, if it was stored in this object

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pub const fn is_primitive(&self) -> bool

Test if object is primitive

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pub const fn is_constructed(&self) -> bool

Test if object is constructed

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pub const fn assert_class(&self, class: Class) -> Result<(), Error>

Return error if class is not the expected class

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pub const fn assert_tag(&self, tag: Tag) -> Result<(), Error>

Return error if tag is not the expected tag

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pub const fn assert_primitive(&self) -> Result<(), Error>

Return error if object is not primitive

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pub const fn assert_constructed(&self) -> Result<(), Error>

Return error if object is primitive

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pub const fn is_universal(&self) -> bool

Test if object class is Universal

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pub const fn is_application(&self) -> bool

Test if object class is Application

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pub const fn is_contextspecific(&self) -> bool

Test if object class is Context-specific

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pub const fn is_private(&self) -> bool

Test if object class is Private

Trait Implementations

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impl<'a> Clone for Header<'a>

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pub fn clone(&self) -> Header<'a>

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<'a> Debug for Header<'a>

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pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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pub fn from(tag: Tag) -> Header<'_>

Performs the conversion.

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impl<'a> FromBer<'a> for Header<'a>

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pub fn from_ber(bytes: &'a [u8 ]) -> Result<(&'a [u8 ], Header<'a>), Err<Error>>

Attempt to parse input bytes into a BER object

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impl<'a> FromDer<'a> for Header<'a>

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pub fn from_der(bytes: &'a [u8 ]) -> Result<(&'a [u8 ], Header<'a>), Err<Error>>

Attempt to parse input bytes into a DER object (enforcing constraints)

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impl<'a> PartialEq<Header<'a>> for Header<'a>

Compare two BER headers. len fields are compared only if both objects have it set (same for raw_tag)

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pub fn eq(&self, other: &Header<'_>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

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impl<'_> ToDer for Header<'_>

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pub fn to_der_len(&self) -> Result<usize, Error>

Get the length of the object, when encoded Read more

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pub fn write_der_header(
&self,
writer: &mut dyn Write
) -> Result<usize, SerializeError>

Attempt to write the DER header to this writer.

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pub fn write_der_content(
&self,
_writer: &mut dyn Write
) -> Result<usize, SerializeError>

Attempt to write the DER content (all except header) to this writer.

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pub fn write_der_raw(
&self,
writer: &mut dyn Write
) -> Result<usize, SerializeError>

Similar to using to_der, but uses provided values without changes. This can generate an invalid encoding for a DER object. Read more

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fn to_der_vec(&self) -> Result<Vec<u8, Global>, SerializeError>

Write the DER encoded representation to a newly allocated Vec<u8>.

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fn to_der_vec_raw(&self) -> Result<Vec<u8, Global>, SerializeError>

Similar to using to_vec, but uses provided values without changes. This can generate an invalid encoding for a DER object. Read more

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fn write_der(&self, writer: &mut dyn Write) -> Result<usize, SerializeError>

Attempt to write the DER encoded representation (header and content) into this writer. Read more

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impl<'a> ToStatic for Header<'a>

type Owned = Header<'static>

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pub fn to_static(&self) -> <Header<'a> as ToStatic>::Owned

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impl<'_> Eq for Header<'_>

Auto Trait Implementations

impl<'a> RefUnwindSafe for Header<'a>

impl<'a> Send for Header<'a>

impl<'a> Sync for Header<'a>

impl<'a> Unpin for Header<'a>

impl<'a> UnwindSafe for Header<'a>

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<'a, T> AsTaggedExplicit<'a> for T where
T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self>

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impl<'a, T> AsTaggedImplicit<'a> for T where
T: 'a,

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fn implicit(
    self,
    class: Class,
    constructed: bool,
    tag: u32
) -> TaggedParser<'a, Implicit, Self>

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub 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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub 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>,

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

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Struct der_parser::der::Header

Implementations

impl<'a> Header<'a>

pub const fn new( class: Class, constructed: bool, tag: Tag, length: Length) -> Header<'a>

pub const fn new_simple(tag: Tag) -> Header<'a>

pub fn with_class(self, class: Class) -> Header<'a>

pub fn with_constructed(self, constructed: bool) -> Header<'a>

pub fn with_tag(self, tag: Tag) -> Header<'a>

pub fn with_length(self, length: Length) -> Header<'a>

pub fn with_raw_tag(self, raw_tag: Option<Cow<'a, [u8]>>) -> Header<'a>

pub const fn class(&self) -> Class

pub const fn constructed(&self) -> bool

pub const fn tag(&self) -> Tag

pub const fn length(&self) -> Length

pub fn raw_tag(&self) -> Option<&[u8]>

pub const fn is_primitive(&self) -> bool

pub const fn is_constructed(&self) -> bool

pub const fn assert_class(&self, class: Class) -> Result<(), Error>

pub const fn assert_tag(&self, tag: Tag) -> Result<(), Error>

pub const fn assert_primitive(&self) -> Result<(), Error>

pub const fn assert_constructed(&self) -> Result<(), Error>

pub const fn is_universal(&self) -> bool

pub const fn is_application(&self) -> bool

pub const fn is_contextspecific(&self) -> bool

pub const fn is_private(&self) -> bool

Trait Implementations

impl<'a> Clone for Header<'a>

pub fn clone(&self) -> Header<'a>

fn clone_from(&mut self, source: &Self)

impl<'a> Debug for Header<'a>

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl<'_> DynTagged for Header<'_>

pub fn tag(&self) -> Tag

impl<'_> From<Tag> for Header<'_>

pub fn from(tag: Tag) -> Header<'_>

impl<'a> FromBer<'a> for Header<'a>

pub fn from_ber(bytes: &'a [u8]) -> Result<(&'a [u8], Header<'a>), Err<Error>>

impl<'a> FromDer<'a> for Header<'a>

pub fn from_der(bytes: &'a [u8]) -> Result<(&'a [u8], Header<'a>), Err<Error>>

impl<'a> PartialEq<Header<'a>> for Header<'a>

pub fn eq(&self, other: &Header<'_>) -> bool

fn ne(&self, other: &Rhs) -> bool

impl<'_> ToDer for Header<'_>

pub fn to_der_len(&self) -> Result<usize, Error>

pub fn write_der_header( &self, writer: &mut dyn Write) -> Result<usize, SerializeError>

pub fn write_der_content( &self, _writer: &mut dyn Write) -> Result<usize, SerializeError>

pub fn write_der_raw( &self, writer: &mut dyn Write) -> Result<usize, SerializeError>

fn to_der_vec(&self) -> Result<Vec<u8, Global>, SerializeError>

fn to_der_vec_raw(&self) -> Result<Vec<u8, Global>, SerializeError>

fn write_der(&self, writer: &mut dyn Write) -> Result<usize, SerializeError>

impl<'a> ToStatic for Header<'a>

type Owned = Header<'static>

pub fn to_static(&self) -> <Header<'a> as ToStatic>::Owned

impl<'_> Eq for Header<'_>

Auto Trait Implementations

impl<'a> RefUnwindSafe for Header<'a>

impl<'a> Send for Header<'a>

impl<'a> Sync for Header<'a>

impl<'a> Unpin for Header<'a>

impl<'a> UnwindSafe for Header<'a>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<'a, T> AsTaggedExplicit<'a> for T where T: 'a,

fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self>

impl<'a, T> AsTaggedImplicit<'a> for T where T: 'a,

fn implicit( self, class: Class, constructed: bool, tag: u32) -> TaggedParser<'a, Implicit, Self>

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

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

pub const fn new(
class: Class,
constructed: bool,
tag: Tag,
length: Length
) -> Header<'a>

pub fn with_raw_tag(self, raw_tag: Option<Cow<'a, [u8 ]>>) -> Header<'a>

pub fn raw_tag(&self) -> Option<&[u8 ]>

pub fn from_ber(bytes: &'a [u8 ]) -> Result<(&'a [u8 ], Header<'a>), Err<Error>>

pub fn from_der(bytes: &'a [u8 ]) -> Result<(&'a [u8 ], Header<'a>), Err<Error>>

pub fn write_der_header(
&self,
writer: &mut dyn Write
) -> Result<usize, SerializeError>

pub fn write_der_content(
&self,
_writer: &mut dyn Write
) -> Result<usize, SerializeError>

pub fn write_der_raw(
&self,
writer: &mut dyn Write
) -> Result<usize, SerializeError>

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

impl<'a, T> AsTaggedExplicit<'a> for T where
T: 'a,

impl<'a, T> AsTaggedImplicit<'a> for T where
T: 'a,

fn implicit(
self,
class: Class,
constructed: bool,
tag: u32
) -> TaggedParser<'a, Implicit, Self>

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

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

impl<T> ToOwned for T where
T: Clone,

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

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,