pub struct Header<'a> { /* private fields */ }
Expand description
BER/DER object header (identifier and length)
Implementations
sourceimpl<'a> Header<'a>
impl<'a> Header<'a>
sourcepub const fn new(
class: Class,
constructed: bool,
tag: Tag,
length: Length
) -> Self
pub const fn new(
class: Class,
constructed: bool,
tag: Tag,
length: Length
) -> Self
Build a new BER/DER header from the provided values
sourcepub const fn new_simple(tag: Tag) -> Self
pub const fn new_simple(tag: Tag) -> Self
Build a new BER/DER header from the provided tag, with default values for other fields
sourcepub fn with_class(self, class: Class) -> Self
pub fn with_class(self, class: Class) -> Self
Set the class of this Header
sourcepub fn with_constructed(self, constructed: bool) -> Self
pub fn with_constructed(self, constructed: bool) -> Self
Set the constructed flags of this Header
sourcepub fn with_length(self, length: Length) -> Self
pub fn with_length(self, length: Length) -> Self
Set the length of this Header
sourcepub fn with_raw_tag(self, raw_tag: Option<Cow<'a, [u8]>>) -> Self
pub fn with_raw_tag(self, raw_tag: Option<Cow<'a, [u8]>>) -> Self
Update header to add reference to raw tag
sourcepub const fn constructed(&self) -> bool
pub const fn constructed(&self) -> bool
Return true if this header has the ‘constructed’ flag.
sourcepub fn raw_tag(&self) -> Option<&[u8]>
pub fn raw_tag(&self) -> Option<&[u8]>
Return the raw tag encoding, if it was stored in this object
sourcepub const fn is_primitive(&self) -> bool
pub const fn is_primitive(&self) -> bool
Test if object is primitive
sourcepub const fn is_constructed(&self) -> bool
pub const fn is_constructed(&self) -> bool
Test if object is constructed
sourcepub const fn assert_class(&self, class: Class) -> Result<()>
pub const fn assert_class(&self, class: Class) -> Result<()>
Return error if class is not the expected class
sourcepub const fn assert_tag(&self, tag: Tag) -> Result<()>
pub const fn assert_tag(&self, tag: Tag) -> Result<()>
Return error if tag is not the expected tag
sourcepub const fn assert_primitive(&self) -> Result<()>
pub const fn assert_primitive(&self) -> Result<()>
Return error if object is not primitive
sourcepub const fn assert_constructed(&self) -> Result<()>
pub const fn assert_constructed(&self) -> Result<()>
Return error if object is primitive
sourcepub const fn is_universal(&self) -> bool
pub const fn is_universal(&self) -> bool
Test if object class is Universal
sourcepub const fn is_application(&self) -> bool
pub const fn is_application(&self) -> bool
Test if object class is Application
sourcepub const fn is_contextspecific(&self) -> bool
pub const fn is_contextspecific(&self) -> bool
Test if object class is Context-specific
sourcepub const fn is_private(&self) -> bool
pub const fn is_private(&self) -> bool
Test if object class is Private
sourcepub const fn assert_definite(&self) -> Result<()>
pub const fn assert_definite(&self) -> Result<()>
Return error if object length is definite
sourcepub fn parse_ber_content<'i>(&self, i: &'i [u8]) -> ParseResult<'i, &'i [u8]>
pub fn parse_ber_content<'i>(&self, i: &'i [u8]) -> ParseResult<'i, &'i [u8]>
Get the content following a BER header
sourcepub fn parse_der_content<'i>(&self, i: &'i [u8]) -> ParseResult<'i, &'i [u8]>
pub fn parse_der_content<'i>(&self, i: &'i [u8]) -> ParseResult<'i, &'i [u8]>
Get the content following a DER header
Trait Implementations
sourceimpl<'a> FromBer<'a, Error> for Header<'a>
impl<'a> FromBer<'a, Error> for Header<'a>
sourcefn from_ber(bytes: &'a [u8]) -> ParseResult<'_, Self>
fn from_ber(bytes: &'a [u8]) -> ParseResult<'_, Self>
Attempt to parse input bytes into a BER object
sourceimpl<'a> FromDer<'a, Error> for Header<'a>
impl<'a> FromDer<'a, Error> for Header<'a>
sourcefn from_der(bytes: &'a [u8]) -> ParseResult<'_, Self>
fn from_der(bytes: &'a [u8]) -> ParseResult<'_, Self>
Attempt to parse input bytes into a DER object (enforcing constraints)
sourceimpl<'a> PartialEq<Header<'a>> for Header<'a>
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
)
sourceimpl ToDer for Header<'_>
impl ToDer for Header<'_>
sourcefn to_der_len(&self) -> Result<usize>
fn to_der_len(&self) -> Result<usize>
Get the length of the object, when encoded Read more
sourcefn write_der_header(&self, writer: &mut dyn Write) -> SerializeResult<usize>
fn write_der_header(&self, writer: &mut dyn Write) -> SerializeResult<usize>
Attempt to write the DER header to this writer.
sourcefn write_der_content(&self, _writer: &mut dyn Write) -> SerializeResult<usize>
fn write_der_content(&self, _writer: &mut dyn Write) -> SerializeResult<usize>
Attempt to write the DER content (all except header) to this writer.
sourcefn write_der_raw(&self, writer: &mut dyn Write) -> SerializeResult<usize>
fn write_der_raw(&self, writer: &mut dyn Write) -> SerializeResult<usize>
Similar to using to_der
, but uses provided values without changes.
This can generate an invalid encoding for a DER object. Read more
sourcefn to_der_vec(&self) -> SerializeResult<Vec<u8>>
fn to_der_vec(&self) -> SerializeResult<Vec<u8>>
Write the DER encoded representation to a newly allocated Vec<u8>
.
sourcefn to_der_vec_raw(&self) -> SerializeResult<Vec<u8>>
fn to_der_vec_raw(&self) -> SerializeResult<Vec<u8>>
Similar to using to_vec
, but uses provided values without changes.
This can generate an invalid encoding for a DER object. Read more
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
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> FmtForward for T
impl<T> FmtForward for T
fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,
fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,
Causes self
to use its Binary
implementation when Debug
-formatted. Read more
fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,
fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,
Causes self
to use its Display
implementation when
Debug
-formatted. Read more
fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
Causes self
to use its LowerExp
implementation when
Debug
-formatted. Read more
fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,
Causes self
to use its LowerHex
implementation when
Debug
-formatted. Read more
fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,
fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,
Causes self
to use its Octal
implementation when Debug
-formatted. Read more
fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,
fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,
Causes self
to use its Pointer
implementation when
Debug
-formatted. Read more
fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,
Causes self
to use its UpperExp
implementation when
Debug
-formatted. Read more
fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,
Causes self
to use its UpperHex
implementation when
Debug
-formatted. Read more
fn fmt_list(self) -> FmtList<Self> where
&'a Self: for<'a> IntoIterator,
fn fmt_list(self) -> FmtList<Self> where
&'a Self: for<'a> IntoIterator,
Formats each item in a sequence. Read more
impl<T> Pipe for T where
T: ?Sized,
impl<T> Pipe for T where
T: ?Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
Pipes by value. This is generally the method you want to use. Read more
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,
Borrows self
and passes that borrow into the pipe function. Read more
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,
Mutably borrows self
and passes that borrow into the pipe function. Read more
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
Borrows self
, then passes self.borrow()
into the pipe function. Read more
fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
Mutably borrows self
, then passes self.borrow_mut()
into the pipe
function. Read more
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
Borrows self
, then passes self.as_ref()
into the pipe function.
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
Mutably borrows self
, then passes self.as_mut()
into the pipe
function. Read more
fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,
fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,
Borrows self
, then passes self.deref()
into the pipe function.
impl<T> Tap for T
impl<T> Tap for T
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Immutable access to the Borrow<B>
of a value. Read more
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
Mutable access to the BorrowMut<B>
of a value. Read more
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
Immutable access to the AsRef<R>
view of a value. Read more
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
Mutable access to the AsMut<R>
view of a value. Read more
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,
Immutable access to the Deref::Target
of a value. Read more
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
Mutable access to the Deref::Target
of a value. Read more
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
Calls .tap()
only in debug builds, and is erased in release builds.
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
Calls .tap_mut()
only in debug builds, and is erased in release
builds. Read more
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Calls .tap_borrow()
only in debug builds, and is erased in release
builds. Read more
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
Calls .tap_borrow_mut()
only in debug builds, and is erased in release
builds. Read more
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
Calls .tap_ref()
only in debug builds, and is erased in release
builds. Read more
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
Calls .tap_ref_mut()
only in debug builds, and is erased in release
builds. Read more