pub struct RelayCellBody(/* private fields */);Available on crate feature
bench only.Expand description
Type for the body of a relay cell.
Implementations§
Source§impl RelayCellBody
Functions on RelayCellBody that implement the digest/recognized
algorithm.
impl RelayCellBody
Functions on RelayCellBody that implement the digest/recognized algorithm.
The current relay crypto protocol uses two wholly inadequate fields to see whether a cell is intended for its current recipient: a two-byte “recognized” field that needs to be all-zero; and a four-byte “digest” field containing a running digest of all cells (for this recipient) to this one, seeded with an initial value (either Df or Db in the spec).
These operations are described in tor-spec section 6.1 “Relay cells”
Sourcepub fn set_digest<D: Digest + Clone>(
&mut self,
d: &mut D,
sendme_tag: &mut SendmeTag,
)
pub fn set_digest<D: Digest + Clone>( &mut self, d: &mut D, sendme_tag: &mut SendmeTag, )
Prepare a cell body by setting its digest and recognized field.
Sourcepub fn is_recognized<D: Digest + Clone>(
&self,
d: &mut D,
rcvd: &mut SendmeTag,
) -> bool
pub fn is_recognized<D: Digest + Clone>( &self, d: &mut D, rcvd: &mut SendmeTag, ) -> bool
Check whether this just-decrypted cell is now an authenticated plaintext.
This method returns true if the recognized field is all zeros, and if the
digest field is a digest of the correct material.
If it returns true, it also sets rcvg to the appropriate authenticated
SENDME tag to use if acknowledging this message.
If this method returns false, then either further decryption is required, or the cell is corrupt.
Trait Implementations§
Source§impl AsMut<[u8]> for RelayCellBody
impl AsMut<[u8]> for RelayCellBody
Source§impl AsRef<[u8]> for RelayCellBody
impl AsRef<[u8]> for RelayCellBody
Source§impl Clone for RelayCellBody
impl Clone for RelayCellBody
Source§fn clone(&self) -> RelayCellBody
fn clone(&self) -> RelayCellBody
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl From<Box<[u8; 509]>> for RelayCellBody
impl From<Box<[u8; 509]>> for RelayCellBody
Source§fn from(value: BoxedCellBody) -> Self
fn from(value: BoxedCellBody) -> Self
Converts to this type from the input type.
Source§impl From<RelayCellBody> for BoxedCellBody
impl From<RelayCellBody> for BoxedCellBody
Source§fn from(value: RelayCellBody) -> Self
fn from(value: RelayCellBody) -> Self
Converts to this type from the input type.
Auto Trait Implementations§
impl Freeze for RelayCellBody
impl RefUnwindSafe for RelayCellBody
impl Send for RelayCellBody
impl Sync for RelayCellBody
impl Unpin for RelayCellBody
impl UnwindSafe for RelayCellBody
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