[−][src]Struct ring::aead::chacha20_poly1305_openssh::OpeningKey
A key for opening packets.
Methods
impl OpeningKey
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pub fn new(key_material: &[u8; 64]) -> OpeningKey
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Constructs a new OpeningKey
.
pub fn decrypt_packet_length(
&self,
sequence_number: u32,
encrypted_packet_length: [u8; 4]
) -> [u8; 4]
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&self,
sequence_number: u32,
encrypted_packet_length: [u8; 4]
) -> [u8; 4]
Returns the decrypted, but unauthenticated, packet length.
Importantly, the result won't be authenticated until open_in_place
is
called.
pub fn open_in_place<'a>(
&self,
sequence_number: u32,
ciphertext_in_plaintext_out: &'a mut [u8],
tag: &[u8; 16]
) -> Result<&'a [u8], Unspecified>
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&self,
sequence_number: u32,
ciphertext_in_plaintext_out: &'a mut [u8],
tag: &[u8; 16]
) -> Result<&'a [u8], Unspecified>
Opens (authenticates and decrypts) a packet.
ciphertext_in_plaintext_out
must be of the form
encrypted_packet_length||ciphertext
where ciphertext
is the
encrypted plaintext
. When the function succeeds the ciphertext is
replaced by the plaintext and the result is Ok(plaintext)
, where
plaintext
is &ciphertext_in_plaintext_out[PACKET_LENGTH_LEN..]
;
otherwise the contents of ciphertext_in_plaintext_out
are unspecified
and must not be used.
Auto Trait Implementations
impl Send for OpeningKey
impl Sync for OpeningKey
Blanket Implementations
impl<T> From for T
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impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = !
🔬 This is a nightly-only experimental API. (
try_from
)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 for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,