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trussed/cipher/trait.KeyIvInit.html
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<!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="Types which can be initialized from key and initialization vector (nonce)."><title>KeyIvInit in cipher - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-77263533.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="cipher" data-themes="" data-resource-suffix="" data-rustdoc-version="1.94.0 (4a4ef493e 2026-03-02)" data-channel="1.94.0" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-b897f86f.js" data-settings-js="settings-c38705f0.js" ><script src="../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-7bab91a1.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-ffcac47a.css"></noscript><link rel="icon" href="https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">KeyIvInit</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../cipher/index.html"><img src="https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg" alt="logo"></a><h2><a href="../cipher/index.html">cipher</a><span class="version">0.4.4</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">KeyIv<wbr>Init</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.new" title="new">new</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.new_from_slices" title="new_from_slices">new_from_slices</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate cipher</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="index.html">cipher</a></div><h1>Trait <span class="trait">KeyIv<wbr>Init</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../src/crypto_common/lib.rs.html#149">Source</a> </span></div><pre class="rust item-decl"><code>pub trait KeyIvInit:
<a class="trait" href="https://doc.rust-lang.org/1.94.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>
+ <a class="trait" href="trait.KeySizeUser.html" title="trait cipher::KeySizeUser">KeySizeUser</a>
+ <a class="trait" href="trait.IvSizeUser.html" title="trait cipher::IvSizeUser">IvSizeUser</a> {
// Required method
fn <a href="#tymethod.new" class="fn">new</a>(
key: &amp;<a class="struct" href="../generic_array/struct.GenericArray.html" title="struct generic_array::GenericArray">GenericArray</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>, Self::<a class="associatedtype" href="trait.KeySizeUser.html#associatedtype.KeySize" title="type cipher::KeySizeUser::KeySize">KeySize</a>&gt;,
iv: &amp;<a class="struct" href="../generic_array/struct.GenericArray.html" title="struct generic_array::GenericArray">GenericArray</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>, Self::<a class="associatedtype" href="trait.IvSizeUser.html#associatedtype.IvSize" title="type cipher::IvSizeUser::IvSize">IvSize</a>&gt;,
) -&gt; Self;
// Provided method
fn <a href="#method.new_from_slices" class="fn">new_from_slices</a>(key: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>], iv: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>]) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.94.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self, <a class="struct" href="struct.InvalidLength.html" title="struct cipher::InvalidLength">InvalidLength</a>&gt; { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Types which can be initialized from key and initialization vector (nonce).</p>
</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.new" class="method"><a class="src rightside" href="../src/crypto_common/lib.rs.html#151">Source</a><h4 class="code-header">fn <a href="#tymethod.new" class="fn">new</a>(
key: &amp;<a class="struct" href="../generic_array/struct.GenericArray.html" title="struct generic_array::GenericArray">GenericArray</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>, Self::<a class="associatedtype" href="trait.KeySizeUser.html#associatedtype.KeySize" title="type cipher::KeySizeUser::KeySize">KeySize</a>&gt;,
iv: &amp;<a class="struct" href="../generic_array/struct.GenericArray.html" title="struct generic_array::GenericArray">GenericArray</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>, Self::<a class="associatedtype" href="trait.IvSizeUser.html#associatedtype.IvSize" title="type cipher::IvSizeUser::IvSize">IvSize</a>&gt;,
) -&gt; Self</h4></section></summary><div class="docblock"><p>Create new value from fixed length key and nonce.</p>
</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.new_from_slices" class="method"><a class="src rightside" href="../src/crypto_common/lib.rs.html#155">Source</a><h4 class="code-header">fn <a href="#method.new_from_slices" class="fn">new_from_slices</a>(key: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>], iv: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.94.0/core/primitive.u8.html">u8</a>]) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.94.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self, <a class="struct" href="struct.InvalidLength.html" title="struct cipher::InvalidLength">InvalidLength</a>&gt;</h4></section></summary><div class="docblock"><p>Create new value from variable length key and nonce.</p>
</div></details></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.94.0/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><div class="negative-marker"></div><section id="impl-KeyIvInit-for-T" class="impl"><a class="src rightside" href="../src/crypto_common/lib.rs.html#241-244">Source</a><a href="#impl-KeyIvInit-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.KeyIvInit.html" title="trait cipher::KeyIvInit">KeyIvInit</a> for T<div class="where">where
T: <a class="trait" href="trait.InnerIvInit.html" title="trait cipher::InnerIvInit">InnerIvInit</a>,
&lt;T as <a class="trait" href="../crypto_common/trait.InnerUser.html" title="trait crypto_common::InnerUser">InnerUser</a>&gt;::<a class="associatedtype" href="../crypto_common/trait.InnerUser.html#associatedtype.Inner" title="type crypto_common::InnerUser::Inner">Inner</a>: <a class="trait" href="trait.KeyInit.html" title="trait cipher::KeyInit">KeyInit</a>,</div></h3></section><section id="impl-KeyIvInit-for-StreamCipherCoreWrapper%3CT%3E" class="impl"><a class="src rightside" href="../src/cipher/stream_wrapper.rs.html#192-205">Source</a><a href="#impl-KeyIvInit-for-StreamCipherCoreWrapper%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="trait.KeyIvInit.html" title="trait cipher::KeyIvInit">KeyIvInit</a> + <a class="trait" href="trait.BlockSizeUser.html" title="trait cipher::BlockSizeUser">BlockSizeUser</a>&gt; <a class="trait" href="trait.KeyIvInit.html" title="trait cipher::KeyIvInit">KeyIvInit</a> for <a class="struct" href="struct.StreamCipherCoreWrapper.html" title="struct cipher::StreamCipherCoreWrapper">StreamCipherCoreWrapper</a>&lt;T&gt;<div class="where">where
T::<a class="associatedtype" href="trait.BlockSizeUser.html#associatedtype.BlockSize" title="type cipher::BlockSizeUser::BlockSize">BlockSize</a>: <a class="trait" href="../typenum/type_operators/trait.IsLess.html" title="trait typenum::type_operators::IsLess">IsLess</a>&lt;<a class="type" href="consts/type.U256.html" title="type cipher::consts::U256">U256</a>&gt;,
<a class="type" href="../typenum/operator_aliases/type.Le.html" title="type typenum::operator_aliases::Le">Le</a>&lt;T::<a class="associatedtype" href="trait.BlockSizeUser.html#associatedtype.BlockSize" title="type cipher::BlockSizeUser::BlockSize">BlockSize</a>, <a class="type" href="consts/type.U256.html" title="type cipher::consts::U256">U256</a>&gt;: <a class="trait" href="../typenum/marker_traits/trait.NonZero.html" title="trait typenum::marker_traits::NonZero">NonZero</a>,</div></h3></section></div><script src="../trait.impl/crypto_common/trait.KeyIvInit.js" async></script></section></div></main></body></html>