Struct hdk::prelude::CapSecret [−][src]
A CapSecret is used by a caller to prove to a callee access to a committed CapGrant.
It is a random, unique identifier for the capability, which is shared by the grantor to allow access to others. The grantor can optionally further restrict usage of the secret to specific agents.
@todo enforce that secrets are unique across all grants in a chain.
Trait Implementations
impl AsRef<[u8]> for CapSecret
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impl Clone for CapSecret
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impl Copy for CapSecret
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impl Debug for CapSecret
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The only meaningful debug information for a cryptograhpic secret is the literal bytes. Also, encodings like base64 are not constant time so debugging could open some weird side channel issue trying to be ‘human friendly’. It seems better to never try to encode secrets.
@todo maybe we want something like HIDDEN by default and putting the actual bytes behind a feature flag?
See https://docs.rs/subtle-encoding/0.5.1/subtle_encoding/
impl<'de> Deserialize<'de> for CapSecret
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pub fn deserialize<D>(
deserializer: D
) -> Result<CapSecret, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
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deserializer: D
) -> Result<CapSecret, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
impl Eq for CapSecret
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impl From<[u8; 64]> for CapSecret
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Trivial new type derivation. Secrets should have private interiors and be constructed directly from fixed length arrays of known length.
impl From<CapSecret> for CapAccess
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Implements secret.into() shorthand for CapAccess::Transferable(secret)
impl PartialEq<CapSecret> for CapSecret
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Constant time equality check. This mitigates timing attacks where a remote agent can reverse engineer data by measuring tiny changes in latency associated with optimised equality checks. More matching bytes = more latency = vulnerability. This type of attack has been successfully demonstrated over a network despite varied latencies.
pub fn eq(&self, other: &CapSecret) -> bool
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#[must_use]pub fn ne(&self, other: &Rhs) -> bool
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impl Serialize for CapSecret
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pub fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
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&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
impl<'_> TryFrom<&'_ [u8]> for CapSecret
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type Error = SecurePrimitiveError
The type returned in the event of a conversion error.
pub fn try_from(
slice: &[u8]
) -> Result<CapSecret, <CapSecret as TryFrom<&'_ [u8]>>::Error>
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slice: &[u8]
) -> Result<CapSecret, <CapSecret as TryFrom<&'_ [u8]>>::Error>
impl<'_> TryFrom<&'_ CapSecret> for SerializedBytes
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type Error = SerializedBytesError
The type returned in the event of a conversion error.
pub fn try_from(t: &CapSecret) -> Result<SerializedBytes, SerializedBytesError>
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impl TryFrom<CapSecret> for SerializedBytes
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type Error = SerializedBytesError
The type returned in the event of a conversion error.
pub fn try_from(t: CapSecret) -> Result<SerializedBytes, SerializedBytesError>
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impl TryFrom<SerializedBytes> for CapSecret
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type Error = SerializedBytesError
The type returned in the event of a conversion error.
pub fn try_from(sb: SerializedBytes) -> Result<CapSecret, SerializedBytesError>
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impl TryFromRandom for CapSecret
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fn try_from_random() -> ExternResult<Self>
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Auto Trait Implementations
impl RefUnwindSafe for CapSecret
impl Send for CapSecret
impl Sync for CapSecret
impl Unpin for CapSecret
impl UnwindSafe for CapSecret
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,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<Q, K> Equivalent<K> for Q where
K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
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K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
pub fn equivalent(&self, key: &K) -> bool
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impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
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Notable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
pub fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
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Notable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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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.
pub 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>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,