| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Immutable keys for use in situations where `OpeningKey`/`SealingKey` and `NonceSequence` cannot reasonably be used."><meta name="keywords" content="rust, rustlang, rust-lang, LessSafeKey"><title>LessSafeKey in ring::aead - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" 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class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../ring/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../ring/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">LessSafeKey</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.algorithm">algorithm</a></li><li><a href="#method.new">new</a></li><li><a href="#method.open_in_place">open_in_place</a></li><li><a href="#method.open_within">open_within</a></li><li><a href="#method.seal_in_place">seal_in_place</a></li><li><a href="#method.seal_in_place_append_tag">seal_in_place_append_tag</a></li><li><a href="#method.seal_in_place_separate_tag">seal_in_place_separate_tag</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Debug-for-LessSafeKey">Debug</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-LessSafeKey">RefUnwindSafe</a></li><li><a href="#impl-Send-for-LessSafeKey">Send</a></li><li><a href="#impl-Sync-for-LessSafeKey">Sync</a></li><li><a href="#impl-Unpin-for-LessSafeKey">Unpin</a></li><li><a href="#impl-UnwindSafe-for-LessSafeKey">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-LessSafeKey">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-LessSafeKey">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-LessSafeKey">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-LessSafeKey">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-LessSafeKey">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-LessSafeKey">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-LessSafeKey">TryInto<U></a></li></ul></section><h2><a href="index.html">In ring::aead</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="../index.html">ring</a>::<wbr><a href="index.html">aead</a>::<wbr><a class="struct" href="#">LessSafeKey</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/ring/aead.rs.html#451-453">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct LessSafeKey { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Immutable keys for use in situations where <code>OpeningKey</code>/<code>SealingKey</code> and |
| <code>NonceSequence</code> cannot reasonably be used.</p> |
| <p>Prefer to use <code>OpeningKey</code>/<code>SealingKey</code> and <code>NonceSequence</code> when practical.</p> |
| </div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-LessSafeKey" class="impl has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#455-551">source</a><a href="#impl-LessSafeKey" class="anchor"></a><h3 class="code-header">impl <a class="struct" href="struct.LessSafeKey.html" title="struct ring::aead::LessSafeKey">LessSafeKey</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#457-459">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(key: <a class="struct" href="struct.UnboundKey.html" title="struct ring::aead::UnboundKey">UnboundKey</a>) -> Self</h4></section></summary><div class="docblock"><p>Constructs a <code>LessSafeKey</code> from an <code>UnboundKey</code>.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.open_in_place" class="method has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#465-475">source</a><h4 class="code-header">pub fn <a href="#method.open_in_place" class="fnname">open_in_place</a><'in_out, A>(<br> &self,<br> nonce: <a class="struct" href="struct.Nonce.html" title="struct ring::aead::Nonce">Nonce</a>,<br> aad: <a class="struct" href="struct.Aad.html" title="struct ring::aead::Aad">Aad</a><A>,<br> in_out: &'in_out mut [u8]<br>) -> Result<&'in_out mut [u8], <a class="struct" href="../error/struct.Unspecified.html" title="struct ring::error::Unspecified">Unspecified</a>><span class="where fmt-newline">where<br> A: AsRef<[u8]>,</span></h4></section></summary><div class="docblock"><p>Like <a href="struct.OpeningKey.html#method.open_in_place" title="OpeningKey::open_in_place()"><code>OpeningKey::open_in_place()</code></a>, except it accepts an arbitrary nonce.</p> |
| <p><code>nonce</code> must be unique for every use of the key to open data.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.open_within" class="method has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#481-492">source</a><h4 class="code-header">pub fn <a href="#method.open_within" class="fnname">open_within</a><'in_out, A>(<br> &self,<br> nonce: <a class="struct" href="struct.Nonce.html" title="struct ring::aead::Nonce">Nonce</a>,<br> aad: <a class="struct" href="struct.Aad.html" title="struct ring::aead::Aad">Aad</a><A>,<br> in_out: &'in_out mut [u8],<br> ciphertext_and_tag: RangeFrom<usize><br>) -> Result<&'in_out mut [u8], <a class="struct" href="../error/struct.Unspecified.html" title="struct ring::error::Unspecified">Unspecified</a>><span class="where fmt-newline">where<br> A: AsRef<[u8]>,</span></h4></section></summary><div class="docblock"><p>Like <a href="struct.OpeningKey.html#method.open_within" title="OpeningKey::open_within()"><code>OpeningKey::open_within()</code></a>, except it accepts an arbitrary nonce.</p> |
| <p><code>nonce</code> must be unique for every use of the key to open data.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.seal_in_place" class="method has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#497-508">source</a><h4 class="code-header">pub fn <a href="#method.seal_in_place" class="fnname">seal_in_place</a><A, InOut>(<br> &self,<br> nonce: <a class="struct" href="struct.Nonce.html" title="struct ring::aead::Nonce">Nonce</a>,<br> aad: <a class="struct" href="struct.Aad.html" title="struct ring::aead::Aad">Aad</a><A>,<br> in_out: &mut InOut<br>) -> Result<(), <a class="struct" href="../error/struct.Unspecified.html" title="struct ring::error::Unspecified">Unspecified</a>><span class="where fmt-newline">where<br> A: AsRef<[u8]>,<br> InOut: AsMut<[u8]> + for<'in_out> Extend<&'in_out u8>,</span></h4></section><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated: Renamed to <code>seal_in_place_append_tag</code>.</span></div></span></summary><div class="docblock"><p>Deprecated. Renamed to <code>seal_in_place_append_tag()</code>.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.seal_in_place_append_tag" class="method has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#515-527">source</a><h4 class="code-header">pub fn <a href="#method.seal_in_place_append_tag" class="fnname">seal_in_place_append_tag</a><A, InOut>(<br> &self,<br> nonce: <a class="struct" href="struct.Nonce.html" title="struct ring::aead::Nonce">Nonce</a>,<br> aad: <a class="struct" href="struct.Aad.html" title="struct ring::aead::Aad">Aad</a><A>,<br> in_out: &mut InOut<br>) -> Result<(), <a class="struct" href="../error/struct.Unspecified.html" title="struct ring::error::Unspecified">Unspecified</a>><span class="where fmt-newline">where<br> A: AsRef<[u8]>,<br> InOut: AsMut<[u8]> + for<'in_out> Extend<&'in_out u8>,</span></h4></section></summary><div class="docblock"><p>Like <a href="struct.SealingKey.html#method.seal_in_place_append_tag" title="SealingKey::seal_in_place_append_tag()"><code>SealingKey::seal_in_place_append_tag()</code></a>, except it accepts an |
| arbitrary nonce.</p> |
| <p><code>nonce</code> must be unique for every use of the key to seal data.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.seal_in_place_separate_tag" class="method has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#534-544">source</a><h4 class="code-header">pub fn <a href="#method.seal_in_place_separate_tag" class="fnname">seal_in_place_separate_tag</a><A>(<br> &self,<br> nonce: <a class="struct" href="struct.Nonce.html" title="struct ring::aead::Nonce">Nonce</a>,<br> aad: <a class="struct" href="struct.Aad.html" title="struct ring::aead::Aad">Aad</a><A>,<br> in_out: &mut [u8]<br>) -> Result<<a class="struct" href="struct.Tag.html" title="struct ring::aead::Tag">Tag</a>, <a class="struct" href="../error/struct.Unspecified.html" title="struct ring::error::Unspecified">Unspecified</a>><span class="where fmt-newline">where<br> A: AsRef<[u8]>,</span></h4></section></summary><div class="docblock"><p>Like <code>SealingKey::seal_in_place_separate_tag()</code>, except it accepts an |
| arbitrary nonce.</p> |
| <p><code>nonce</code> must be unique for every use of the key to seal data.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.algorithm" class="method has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#548-550">source</a><h4 class="code-header">pub fn <a href="#method.algorithm" class="fnname">algorithm</a>(&self) -> &'static <a class="struct" href="struct.Algorithm.html" title="struct ring::aead::Algorithm">Algorithm</a></h4></section></summary><div class="docblock"><p>The key’s AEAD algorithm.</p> |
| </div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-LessSafeKey" class="impl has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#553-559">source</a><a href="#impl-Debug-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl Debug for <a class="struct" href="struct.LessSafeKey.html" title="struct ring::aead::LessSafeKey">LessSafeKey</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/ring/aead.rs.html#554-558">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, f: &mut Formatter<'_>) -> Result<(), Error></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-LessSafeKey" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl RefUnwindSafe for <a class="struct" href="struct.LessSafeKey.html" title="struct ring::aead::LessSafeKey">LessSafeKey</a></h3></section><section id="impl-Send-for-LessSafeKey" class="impl has-srclink"><a href="#impl-Send-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl Send for <a class="struct" href="struct.LessSafeKey.html" title="struct ring::aead::LessSafeKey">LessSafeKey</a></h3></section><section id="impl-Sync-for-LessSafeKey" class="impl has-srclink"><a href="#impl-Sync-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl Sync for <a class="struct" href="struct.LessSafeKey.html" title="struct ring::aead::LessSafeKey">LessSafeKey</a></h3></section><section id="impl-Unpin-for-LessSafeKey" class="impl has-srclink"><a href="#impl-Unpin-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl Unpin for <a class="struct" href="struct.LessSafeKey.html" title="struct ring::aead::LessSafeKey">LessSafeKey</a></h3></section><section id="impl-UnwindSafe-for-LessSafeKey" class="impl has-srclink"><a href="#impl-UnwindSafe-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl UnwindSafe for <a class="struct" href="struct.LessSafeKey.html" title="struct ring::aead::LessSafeKey">LessSafeKey</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-LessSafeKey" class="impl has-srclink"><a href="#impl-Any-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl<T> Any for T<span class="where fmt-newline">where<br> T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&self) -> TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-LessSafeKey" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl<T> Borrow<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&self) -> &T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-LessSafeKey" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl<T> BorrowMut<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&mut self) -> &mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-LessSafeKey" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl<T> From<T> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-LessSafeKey" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl<T, U> Into<U> for T<span class="where fmt-newline">where<br> U: From<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p> |
| <p>That is, this conversion is whatever the implementation of |
| <code>[From]<T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-LessSafeKey" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl<T, U> TryFrom<U> for T<span class="where fmt-newline">where<br> U: Into<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -> Result<T, <T as TryFrom<U>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-LessSafeKey" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-LessSafeKey" class="anchor"></a><h3 class="code-header">impl<T, U> TryInto<U> for T<span class="where fmt-newline">where<br> U: TryFrom<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = <U as TryFrom<T>>::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -> Result<U, <U as TryFrom<T>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="ring" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |