[−][src]Struct sshkeys::Reader
A Reader
is used for reading from a byte sequence
representing an encoded OpenSSH public key or certificate.
Implementations
impl<'a> Reader<'a>
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pub fn new<T: ?Sized + AsRef<[u8]>>(inner: &T) -> Reader
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Creates a new Reader
instance from the given byte sequence.
Example
let data = vec![0, 0, 0, 42]; let mut reader = sshkeys::Reader::new(&data); let num = reader.read_u32().unwrap(); assert_eq!(num, 42);
pub fn set_offset(&mut self, offset: usize) -> Result<()>
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Sets the Reader
current offset to a given position.
Example
let data = vec![0, 0, 0, 42]; let mut reader = sshkeys::Reader::new(&data); let num = reader.read_u32().unwrap(); assert_eq!(num, 42); reader.set_offset(0); let num_42_again = reader.read_u32().unwrap(); assert_eq!(num_42_again, 42);
pub fn read_bytes(&mut self) -> Result<Vec<u8>>
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Reads a byte buffer from the wrapped byte sequence and
returns it as a Vec<u8>
.
The buffer is represented by it's length as u32
value
followed by the actual bytes to read.
Example
let data = vec![0, 0, 0, 13, 97, 32, 116, 101, 115, 116, 32, 115, 116, 114, 105, 110, 103]; let mut reader = sshkeys::Reader::new(&data); let bytes = reader.read_bytes().unwrap(); assert_eq!(bytes, [97, 32, 116, 101, 115, 116, 32, 115, 116, 114, 105, 110, 103]);
pub fn read_mpint(&mut self) -> Result<Vec<u8>>
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Reads an mpint
value from the wrapped byte sequence.
Drops the leading byte if it's value is zero according to the RFC 4251, section 5.
Example
let data = vec![0, 0, 0, 3, 1, 0, 1]; let mut reader = sshkeys::Reader::new(&data); let mpint = reader.read_mpint().unwrap(); assert_eq!(mpint, [1, 0, 1]);
pub fn read_string(&mut self) -> Result<String>
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Reads a string
value from the wrapped byte sequence and
returns it as a String
. The value that we read should be a valid UTF-8.
Example
let data = vec![0, 0, 0, 13, 97, 32, 116, 101, 115, 116, 32, 115, 116, 114, 105, 110, 103]; let mut reader = sshkeys::Reader::new(&data); let result = reader.read_string().unwrap(); assert_eq!(result, "a test string");
pub fn read_u32(&mut self) -> Result<u32>
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Reads an u32
value from the wrapped byte sequence and returns it.
Example
let data = vec![0, 0, 0, 42]; let mut reader = sshkeys::Reader::new(&data); let num = reader.read_u32().unwrap(); assert_eq!(num, 42);
pub fn read_u64(&mut self) -> Result<u64>
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Reads an u64
value from the wrapped byte sequence and returns it.
Example
let data = vec![0, 0, 0, 0, 0, 0, 0, 42]; let mut reader = sshkeys::Reader::new(&data); let num = reader.read_u64().unwrap(); assert_eq!(num, 42);
Trait Implementations
Auto Trait Implementations
impl<'a> RefUnwindSafe for Reader<'a>
impl<'a> Send for Reader<'a>
impl<'a> Sync for Reader<'a>
impl<'a> Unpin for Reader<'a>
impl<'a> UnwindSafe for Reader<'a>
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,