pg_core::client

Struct Sealer

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pub struct Sealer<'r, R, C> { /* private fields */ }
Expand description

A Sealer is used to encrypt and sign data using PostGuard.

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impl<'r, Rng: RngCore + CryptoRng> Sealer<'r, Rng, SealerStreamConfig>

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pub fn new( pk: &PublicKey<CGWKV>, policies: &EncryptionPolicy, pub_sign_key: &SigningKeyExt, rng: &'r mut Rng, ) -> Result<Self, Error>

Construct a new Sealer that can process streaming payloads.

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pub fn with_size_hint(self, size_hint: (u64, Option<u64>)) -> Self

Optional: Add a size hint.

This can help the receiver save some reallocations.

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pub async fn seal<R, W>(self, r: R, w: W) -> Result<(), Error>
where R: AsyncRead + Unpin, W: AsyncWrite + Unpin,

Seals payload data from an AsyncRead into an AsyncWrite.

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impl<'r, R: RngCore + CryptoRng> Sealer<'r, R, SealerMemoryConfig>

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pub fn new( mpk: &PublicKey<CGWKV>, policies: &EncryptionPolicy, pub_sign_key: &SigningKeyExt, rng: &'r mut R, ) -> Result<Self, Error>

Create a new Sealer.

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pub fn seal(self, message: impl AsRef<[u8]>) -> Result<Vec<u8>, Error>

Seals the entire payload.

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impl<'r, Rng: RngCore + CryptoRng> Sealer<'r, Rng, StreamSealerConfig>

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pub fn new( pk: &PublicKey<CGWKV>, policies: &EncryptionPolicy, pub_sign_key: &SigningKeyExt, rng: &'r mut Rng, ) -> Result<Self, Error>

Construct a new Sealer that can process payloads streamingly.

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pub async fn seal<R, W>(self, r: R, w: W) -> Result<(), Error>
where R: Stream<Item = Result<JsValue, JsValue>> + Unpin, W: Sink<JsValue, Error = JsValue> + Unpin,

Seals payload data from a Stream of JsValue to a Sink of JsValue.

§Errors

Make sure the JsValues can dynamically be cast to Uint8Array, otherwise this operation will error.

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impl<'r, R: RngCore + CryptoRng> Sealer<'r, R, SealerMemoryConfig>

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pub fn new( mpk: &PublicKey<CGWKV>, policies: &EncryptionPolicy, pub_sign_key: &SigningKeyExt, rng: &'r mut R, ) -> Result<Self, Error>

Create a new Sealer.

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pub async fn seal(self, message: &Uint8Array) -> Result<Uint8Array, Error>

Seals the entire payload.

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impl<'r, R, C> Sealer<'r, R, C>

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pub fn with_priv_signing_key(self, priv_sign_key: SigningKeyExt) -> Self

Add a private signing key and policy.

This policy is safe to include private data as it is encrypted after signing.

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impl<'r, R: Debug, C: Debug> Debug for Sealer<'r, R, C>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'r, R, C> Freeze for Sealer<'r, R, C>
where C: Freeze,

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impl<'r, R, C> RefUnwindSafe for Sealer<'r, R, C>
where C: RefUnwindSafe, R: RefUnwindSafe,

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impl<'r, R, C> Send for Sealer<'r, R, C>
where C: Send, R: Send,

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impl<'r, R, C> Sync for Sealer<'r, R, C>
where C: Sync, R: Sync,

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impl<'r, R, C> Unpin for Sealer<'r, R, C>
where C: Unpin,

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impl<'r, R, C> !UnwindSafe for Sealer<'r, R, C>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pipe for T
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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
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Pipes by value. This is generally the method you want to use. Read more
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Borrows self and passes that borrow into the pipe function. Read more
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Mutably borrows self and passes that borrow into the pipe function. Read more
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Borrows self, then passes self.borrow() into the pipe function. Read more
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Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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type Output = T

Should always be Self
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fn tap(self, func: impl FnOnce(&Self)) -> Self

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Mutable access to a value. Read more
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where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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where Self: TryInto<T>,

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