Struct ssri::IntegrityOpts

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pub struct IntegrityOpts { /* private fields */ }
Expand description

Builds a new Integrity, allowing multiple algorithms and incremental input.

Examples

use ssri::{Algorithm, IntegrityOpts};
let contents = b"hello world";
let sri = IntegrityOpts::new()
    .algorithm(Algorithm::Sha512)
    .algorithm(Algorithm::Sha1)
    .chain(&contents)
    .result();

Implementations§

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impl IntegrityOpts

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pub fn new() -> IntegrityOpts

Creates a new hashing IntegrityOpts.

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pub fn algorithm(self, algo: Algorithm) -> Self

Generate a hash for this algorithm. Can be called multiple times to generate an Integrity string with multiple entries.

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pub fn input<B: AsRef<[u8]>>(&mut self, input: B)

Add some data to this IntegrityOpts. All internal hashers will be updated for all configured Algorithms.

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pub fn chain<B: AsRef<[u8]>>(self, input: B) -> Self

Same as IntegrityOpts::input, but allows chaining.

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pub fn reset(&mut self)

Resets internal state for this IntegrityOpts.

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pub fn result(self) -> Integrity

Generate a new Integrity from the inputted data and configured algorithms.

Trait Implementations§

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impl Clone for IntegrityOpts

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fn clone(&self) -> IntegrityOpts

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for IntegrityOpts

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

Formats the value using the given formatter. Read more
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impl Default for IntegrityOpts

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fn default() -> IntegrityOpts

Returns the “default value” for a type. Read more
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impl Reset for IntegrityOpts

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fn reset(&mut self)

Reset state to its initial value.
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impl Update for IntegrityOpts

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fn update(&mut self, data: &[u8])

Update state using the provided data.
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fn chain(self, input: impl AsRef<[u8]>) -> Self

Digest input data in a chained manner.
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impl Write for IntegrityOpts

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fn write(&mut self, buf: &[u8]) -> Result<usize>

Write a buffer into this writer, returning how many bytes were written. Read more
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fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more
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fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers. Read more
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fn is_write_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (can_vector)
Determines if this Writer has an efficient write_vectored implementation. Read more
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fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

Attempts to write an entire buffer into this writer. Read more
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fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

🔬This is a nightly-only experimental API. (write_all_vectored)
Attempts to write multiple buffers into this writer. Read more
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fn write_fmt(&mut self, fmt: Arguments<'_>) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered. Read more
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fn by_ref(&mut self) -> &mut Selfwhere Self: Sized,

Creates a “by reference” adapter for this instance of Write. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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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> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.