Files
google-apis-rs/webpki/enum.Error.html
2024-03-05 21:06:01 +01:00

138 lines
56 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!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="An error that occurs during certificate validation or name validation."><title>Error in webpki - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="webpki" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc enum"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../webpki/index.html">webpki</a><span class="version">0.101.6</span></h2></div><h2 class="location"><a href="#">Error</a></h2><div class="sidebar-elems"><section><h3><a href="#variants">Variants</a></h3><ul class="block variant"><li><a href="#variant.BadDer">BadDer</a></li><li><a href="#variant.BadDerTime">BadDerTime</a></li><li><a href="#variant.CaUsedAsEndEntity">CaUsedAsEndEntity</a></li><li><a href="#variant.CertExpired">CertExpired</a></li><li><a href="#variant.CertNotValidForName">CertNotValidForName</a></li><li><a href="#variant.CertNotValidYet">CertNotValidYet</a></li><li><a href="#variant.CertRevoked">CertRevoked</a></li><li><a href="#variant.EndEntityUsedAsCa">EndEntityUsedAsCa</a></li><li><a href="#variant.ExtensionValueInvalid">ExtensionValueInvalid</a></li><li><a href="#variant.InvalidCertValidity">InvalidCertValidity</a></li><li><a href="#variant.InvalidCrlNumber">InvalidCrlNumber</a></li><li><a href="#variant.InvalidCrlSignatureForPublicKey">InvalidCrlSignatureForPublicKey</a></li><li><a href="#variant.InvalidNetworkMaskConstraint">InvalidNetworkMaskConstraint</a></li><li><a href="#variant.InvalidSerialNumber">InvalidSerialNumber</a></li><li><a href="#variant.InvalidSignatureForPublicKey">InvalidSignatureForPublicKey</a></li><li><a href="#variant.IssuerNotCrlSigner">IssuerNotCrlSigner</a></li><li><a href="#variant.MalformedDnsIdentifier">MalformedDnsIdentifier</a></li><li><a href="#variant.MalformedExtensions">MalformedExtensions</a></li><li><a href="#variant.MalformedNameConstraint">MalformedNameConstraint</a></li><li><a href="#variant.MaximumNameConstraintComparisonsExceeded">MaximumNameConstraintComparisonsExceeded</a></li><li><a href="#variant.MaximumPathBuildCallsExceeded">MaximumPathBuildCallsExceeded</a></li><li><a href="#variant.MaximumPathDepthExceeded">MaximumPathDepthExceeded</a></li><li><a href="#variant.MaximumSignatureChecksExceeded">MaximumSignatureChecksExceeded</a></li><li><a href="#variant.NameConstraintViolation">NameConstraintViolation</a></li><li><a href="#variant.PathLenConstraintViolated">PathLenConstraintViolated</a></li><li><a href="#variant.RequiredEkuNotFound">RequiredEkuNotFound</a></li><li><a href="#variant.SignatureAlgorithmMismatch">SignatureAlgorithmMismatch</a></li><li><a href="#variant.UnknownIssuer">UnknownIssuer</a></li><li><a href="#variant.UnsupportedCertVersion">UnsupportedCertVersion</a></li><li><a href="#variant.UnsupportedCriticalExtension">UnsupportedCriticalExtension</a></li><li><a href="#variant.UnsupportedCrlSignatureAlgorithm">UnsupportedCrlSignatureAlgorithm</a></li><li><a href="#variant.UnsupportedCrlSignatureAlgorithmForPublicKey">UnsupportedCrlSignatureAlgorithmForPublicKey</a></li><li><a href="#variant.UnsupportedCrlVersion">UnsupportedCrlVersion</a></li><li><a href="#variant.UnsupportedDeltaCrl">UnsupportedDeltaCrl</a></li><li><a href="#variant.UnsupportedIndirectCrl">UnsupportedIndirectCrl</a></li><li><a href="#variant.UnsupportedRevocationReason">UnsupportedRevocationReason</a></li><li><a href="#variant.UnsupportedSignatureAlgorithm">UnsupportedSignatureAlgorithm</a></li><li><a href="#variant.UnsupportedSignatureAlgorithmForPublicKey">UnsupportedSignatureAlgorithmForPublicKey</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-Error">Clone</a></li><li><a href="#impl-Copy-for-Error">Copy</a></li><li><a href="#impl-Debug-for-Error">Debug</a></li><li><a href="#impl-Display-for-Error">Display</a></li><li><a href="#impl-Eq-for-Error">Eq</a></li><li><a href="#impl-Error-for-Error">Error</a></li><li><a href="#impl-From%3CEndOfInput%3E-for-Error">From&lt;EndOfInput&gt;</a></li><li><a href="#impl-From%3CError%3E-for-ControlFlow%3CError,+Error%3E">From&lt;Error&gt;</a></li><li><a href="#impl-PartialEq-for-Error">PartialEq</a></li><li><a href="#impl-StructuralEq-for-Error">StructuralEq</a></li><li><a href="#impl-StructuralPartialEq-for-Error">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Error">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Error">Send</a></li><li><a href="#impl-Sync-for-Error">Sync</a></li><li><a href="#impl-Unpin-for-Error">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Error">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-T">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-T">Into&lt;U&gt;</a></li><li><a href="#impl-ToOwned-for-T">ToOwned</a></li><li><a href="#impl-ToString-for-T">ToString</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-T">TryInto&lt;U&gt;</a></li></ul></section><h2><a href="index.html">In crate webpki</a></h2></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../webpki/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Enum <a href="index.html">webpki</a>::<wbr><a class="enum" href="#">Error</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/webpki/error.rs.html#21-177">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code><div class="code-attribute">#[non_exhaustive]</div>pub enum Error {
<details class="toggle type-contents-toggle"><summary class="hideme"><span>Show 38 variants</span></summary> BadDer,
BadDerTime,
CaUsedAsEndEntity,
CertExpired,
CertNotValidForName,
CertNotValidYet,
CertRevoked,
EndEntityUsedAsCa,
ExtensionValueInvalid,
InvalidCertValidity,
InvalidCrlNumber,
InvalidNetworkMaskConstraint,
InvalidSerialNumber,
InvalidCrlSignatureForPublicKey,
InvalidSignatureForPublicKey,
IssuerNotCrlSigner,
MalformedDnsIdentifier,
MalformedExtensions,
MalformedNameConstraint,
MaximumNameConstraintComparisonsExceeded,
MaximumPathBuildCallsExceeded,
MaximumPathDepthExceeded,
MaximumSignatureChecksExceeded,
NameConstraintViolation,
PathLenConstraintViolated,
RequiredEkuNotFound,
SignatureAlgorithmMismatch,
UnknownIssuer,
UnsupportedCertVersion,
UnsupportedCriticalExtension,
UnsupportedCrlVersion,
UnsupportedDeltaCrl,
UnsupportedIndirectCrl,
UnsupportedRevocationReason,
UnsupportedCrlSignatureAlgorithm,
UnsupportedSignatureAlgorithm,
UnsupportedCrlSignatureAlgorithmForPublicKey,
UnsupportedSignatureAlgorithmForPublicKey,
</details>}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An error that occurs during certificate validation or name validation.</p>
</div></details><h2 id="variants" class="variants section-header">Variants (Non-exhaustive)<a href="#variants" class="anchor">§</a></h2><details class="toggle non-exhaustive"><summary class="hideme"><span>This enum is marked as non-exhaustive</span></summary><div class="docblock">Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.</div></details><div class="variants"><section id="variant.BadDer" class="variant"><a href="#variant.BadDer" class="anchor">§</a><h3 class="code-header">BadDer</h3></section><div class="docblock"><p>The encoding of some ASN.1 DER-encoded item is invalid.</p>
</div><section id="variant.BadDerTime" class="variant"><a href="#variant.BadDerTime" class="anchor">§</a><h3 class="code-header">BadDerTime</h3></section><div class="docblock"><p>The encoding of an ASN.1 DER-encoded time is invalid.</p>
</div><section id="variant.CaUsedAsEndEntity" class="variant"><a href="#variant.CaUsedAsEndEntity" class="anchor">§</a><h3 class="code-header">CaUsedAsEndEntity</h3></section><div class="docblock"><p>A CA certificate is being used as an end-entity certificate.</p>
</div><section id="variant.CertExpired" class="variant"><a href="#variant.CertExpired" class="anchor">§</a><h3 class="code-header">CertExpired</h3></section><div class="docblock"><p>The certificate is expired; i.e. the time it is being validated for is
later than the certificates notAfter time.</p>
</div><section id="variant.CertNotValidForName" class="variant"><a href="#variant.CertNotValidForName" class="anchor">§</a><h3 class="code-header">CertNotValidForName</h3></section><div class="docblock"><p>The certificate is not valid for the name it is being validated for.</p>
</div><section id="variant.CertNotValidYet" class="variant"><a href="#variant.CertNotValidYet" class="anchor">§</a><h3 class="code-header">CertNotValidYet</h3></section><div class="docblock"><p>The certificate is not valid yet; i.e. the time it is being validated
for is earlier than the certificates notBefore time.</p>
</div><section id="variant.CertRevoked" class="variant"><a href="#variant.CertRevoked" class="anchor">§</a><h3 class="code-header">CertRevoked</h3></section><div class="docblock"><p>The certificate, or one of its issuers, has been revoked.</p>
</div><section id="variant.EndEntityUsedAsCa" class="variant"><a href="#variant.EndEntityUsedAsCa" class="anchor">§</a><h3 class="code-header">EndEntityUsedAsCa</h3></section><div class="docblock"><p>An end-entity certificate is being used as a CA certificate.</p>
</div><section id="variant.ExtensionValueInvalid" class="variant"><a href="#variant.ExtensionValueInvalid" class="anchor">§</a><h3 class="code-header">ExtensionValueInvalid</h3></section><div class="docblock"><p>An X.509 extension is invalid.</p>
</div><section id="variant.InvalidCertValidity" class="variant"><a href="#variant.InvalidCertValidity" class="anchor">§</a><h3 class="code-header">InvalidCertValidity</h3></section><div class="docblock"><p>The certificate validity period (notBefore, notAfter) is invalid; e.g.
the notAfter time is earlier than the notBefore time.</p>
</div><section id="variant.InvalidCrlNumber" class="variant"><a href="#variant.InvalidCrlNumber" class="anchor">§</a><h3 class="code-header">InvalidCrlNumber</h3></section><div class="docblock"><p>A CRL number extension was invalid:</p>
<ul>
<li>it was mis-encoded</li>
<li>it was negative</li>
<li>it was too long</li>
</ul>
</div><section id="variant.InvalidNetworkMaskConstraint" class="variant"><a href="#variant.InvalidNetworkMaskConstraint" class="anchor">§</a><h3 class="code-header">InvalidNetworkMaskConstraint</h3></section><div class="docblock"><p>A iPAddress name constraint was invalid:</p>
<ul>
<li>it had a sparse network mask (ie, cannot be written in CIDR form).</li>
<li>it was too long or short</li>
</ul>
</div><section id="variant.InvalidSerialNumber" class="variant"><a href="#variant.InvalidSerialNumber" class="anchor">§</a><h3 class="code-header">InvalidSerialNumber</h3></section><div class="docblock"><p>A serial number was invalid:</p>
<ul>
<li>it was misencoded</li>
<li>it was negative</li>
<li>it was too long</li>
</ul>
</div><section id="variant.InvalidCrlSignatureForPublicKey" class="variant"><a href="#variant.InvalidCrlSignatureForPublicKey" class="anchor">§</a><h3 class="code-header">InvalidCrlSignatureForPublicKey</h3></section><div class="docblock"><p>The CRL signature is invalid for the issuers public key.</p>
</div><section id="variant.InvalidSignatureForPublicKey" class="variant"><a href="#variant.InvalidSignatureForPublicKey" class="anchor">§</a><h3 class="code-header">InvalidSignatureForPublicKey</h3></section><div class="docblock"><p>The signature is invalid for the given public key.</p>
</div><section id="variant.IssuerNotCrlSigner" class="variant"><a href="#variant.IssuerNotCrlSigner" class="anchor">§</a><h3 class="code-header">IssuerNotCrlSigner</h3></section><div class="docblock"><p>A CRL was signed by an issuer that has a KeyUsage bitstring that does not include
the cRLSign key usage bit.</p>
</div><section id="variant.MalformedDnsIdentifier" class="variant"><a href="#variant.MalformedDnsIdentifier" class="anchor">§</a><h3 class="code-header">MalformedDnsIdentifier</h3></section><div class="docblock"><p>A presented or reference DNS identifier was malformed, potentially
containing invalid characters or invalid labels.</p>
</div><section id="variant.MalformedExtensions" class="variant"><a href="#variant.MalformedExtensions" class="anchor">§</a><h3 class="code-header">MalformedExtensions</h3></section><div class="docblock"><p>The certificate extensions are malformed.</p>
<p>In particular, webpki requires the DNS name(s) be in the subjectAltName
extension as required by the CA/Browser Forum Baseline Requirements
and as recommended by RFC6125.</p>
</div><section id="variant.MalformedNameConstraint" class="variant"><a href="#variant.MalformedNameConstraint" class="anchor">§</a><h3 class="code-header">MalformedNameConstraint</h3></section><div class="docblock"><p>A name constraint was malformed, potentially containing invalid characters or
invalid labels.</p>
</div><section id="variant.MaximumNameConstraintComparisonsExceeded" class="variant"><a href="#variant.MaximumNameConstraintComparisonsExceeded" class="anchor">§</a><h3 class="code-header">MaximumNameConstraintComparisonsExceeded</h3></section><div class="docblock"><p>The maximum number of name constraint comparisons has been reached.</p>
</div><section id="variant.MaximumPathBuildCallsExceeded" class="variant"><a href="#variant.MaximumPathBuildCallsExceeded" class="anchor">§</a><h3 class="code-header">MaximumPathBuildCallsExceeded</h3></section><div class="docblock"><p>The maximum number of internal path building calls has been reached. Path complexity is too great.</p>
</div><section id="variant.MaximumPathDepthExceeded" class="variant"><a href="#variant.MaximumPathDepthExceeded" class="anchor">§</a><h3 class="code-header">MaximumPathDepthExceeded</h3></section><div class="docblock"><p>The path search was terminated because it became too deep.</p>
</div><section id="variant.MaximumSignatureChecksExceeded" class="variant"><a href="#variant.MaximumSignatureChecksExceeded" class="anchor">§</a><h3 class="code-header">MaximumSignatureChecksExceeded</h3></section><div class="docblock"><p>The maximum number of signature checks has been reached. Path complexity is too great.</p>
</div><section id="variant.NameConstraintViolation" class="variant"><a href="#variant.NameConstraintViolation" class="anchor">§</a><h3 class="code-header">NameConstraintViolation</h3></section><div class="docblock"><p>The certificate violates one or more name constraints.</p>
</div><section id="variant.PathLenConstraintViolated" class="variant"><a href="#variant.PathLenConstraintViolated" class="anchor">§</a><h3 class="code-header">PathLenConstraintViolated</h3></section><div class="docblock"><p>The certificate violates one or more path length constraints.</p>
</div><section id="variant.RequiredEkuNotFound" class="variant"><a href="#variant.RequiredEkuNotFound" class="anchor">§</a><h3 class="code-header">RequiredEkuNotFound</h3></section><div class="docblock"><p>The certificate is not valid for the Extended Key Usage for which it is
being validated.</p>
</div><section id="variant.SignatureAlgorithmMismatch" class="variant"><a href="#variant.SignatureAlgorithmMismatch" class="anchor">§</a><h3 class="code-header">SignatureAlgorithmMismatch</h3></section><div class="docblock"><p>The algorithm in the TBSCertificate “signature” field of a certificate
does not match the algorithm in the signature of the certificate.</p>
</div><section id="variant.UnknownIssuer" class="variant"><a href="#variant.UnknownIssuer" class="anchor">§</a><h3 class="code-header">UnknownIssuer</h3></section><div class="docblock"><p>A valid issuer for the certificate could not be found.</p>
</div><section id="variant.UnsupportedCertVersion" class="variant"><a href="#variant.UnsupportedCertVersion" class="anchor">§</a><h3 class="code-header">UnsupportedCertVersion</h3></section><div class="docblock"><p>The certificate is not a v3 X.509 certificate.</p>
<p>This error may be also reported if the certificate version field
is malformed.</p>
</div><section id="variant.UnsupportedCriticalExtension" class="variant"><a href="#variant.UnsupportedCriticalExtension" class="anchor">§</a><h3 class="code-header">UnsupportedCriticalExtension</h3></section><div class="docblock"><p>The certificate contains an unsupported critical extension.</p>
</div><section id="variant.UnsupportedCrlVersion" class="variant"><a href="#variant.UnsupportedCrlVersion" class="anchor">§</a><h3 class="code-header">UnsupportedCrlVersion</h3></section><div class="docblock"><p>The CRL is not a v2 X.509 CRL.</p>
<p>The RFC 5280 web PKI profile mandates only version 2 be used. See section
5.1.2.1 for more information.</p>
<p>This error may also be reported if the CRL version field is malformed.</p>
</div><section id="variant.UnsupportedDeltaCrl" class="variant"><a href="#variant.UnsupportedDeltaCrl" class="anchor">§</a><h3 class="code-header">UnsupportedDeltaCrl</h3></section><div class="docblock"><p>The CRL is an unsupported “delta” CRL.</p>
</div><section id="variant.UnsupportedIndirectCrl" class="variant"><a href="#variant.UnsupportedIndirectCrl" class="anchor">§</a><h3 class="code-header">UnsupportedIndirectCrl</h3></section><div class="docblock"><p>The CRL contains unsupported “indirect” entries.</p>
</div><section id="variant.UnsupportedRevocationReason" class="variant"><a href="#variant.UnsupportedRevocationReason" class="anchor">§</a><h3 class="code-header">UnsupportedRevocationReason</h3></section><div class="docblock"><p>The revocation reason is not in the set of supported revocation reasons.</p>
</div><section id="variant.UnsupportedCrlSignatureAlgorithm" class="variant"><a href="#variant.UnsupportedCrlSignatureAlgorithm" class="anchor">§</a><h3 class="code-header">UnsupportedCrlSignatureAlgorithm</h3></section><div class="docblock"><p>The signature algorithm for a signature over a CRL is not in the set of supported
signature algorithms given.</p>
</div><section id="variant.UnsupportedSignatureAlgorithm" class="variant"><a href="#variant.UnsupportedSignatureAlgorithm" class="anchor">§</a><h3 class="code-header">UnsupportedSignatureAlgorithm</h3></section><div class="docblock"><p>The signature algorithm for a signature is not in the set of supported
signature algorithms given.</p>
</div><section id="variant.UnsupportedCrlSignatureAlgorithmForPublicKey" class="variant"><a href="#variant.UnsupportedCrlSignatureAlgorithmForPublicKey" class="anchor">§</a><h3 class="code-header">UnsupportedCrlSignatureAlgorithmForPublicKey</h3></section><div class="docblock"><p>The CRL signatures algorithm does not match the algorithm of the issuer
public key it is being validated for. This may be because the public key
algorithms OID isnt recognized (e.g. DSA), or the public key
algorithms parameters dont match the supported parameters for that
algorithm (e.g. ECC keys for unsupported curves), or the public key
algorithm and the signature algorithm simply dont match (e.g.
verifying an RSA signature with an ECC public key).</p>
</div><section id="variant.UnsupportedSignatureAlgorithmForPublicKey" class="variant"><a href="#variant.UnsupportedSignatureAlgorithmForPublicKey" class="anchor">§</a><h3 class="code-header">UnsupportedSignatureAlgorithmForPublicKey</h3></section><div class="docblock"><p>The signatures algorithm does not match the algorithm of the public
key it is being validated for. This may be because the public key
algorithms OID isnt recognized (e.g. DSA), or the public key
algorithms parameters dont match the supported parameters for that
algorithm (e.g. ECC keys for unsupported curves), or the public key
algorithm and the signature algorithm simply dont match (e.g.
verifying an RSA signature with an ECC public key).</p>
</div></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#impl-Clone-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&amp;self) -&gt; <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/clone.rs.html#169">source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Self</a>)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#impl-Debug-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt-1" class="method trait-impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#method.fmt-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.76.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Display-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#274-278">source</a><a href="#impl-Display-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../src/webpki/error.rs.html#275-277">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Display.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.76.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Error-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#282">source</a><a href="#impl-Error-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.source" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.30.0">1.30.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/error.rs.html#84">source</a></span><a href="#method.source" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html#method.source" class="fn">source</a>(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;(dyn <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + 'static)&gt;</h4></section></summary><div class='docblock'>The lower-level source of this error, if any. <a href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html#method.source">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.description" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/error.rs.html#110">source</a></span><a href="#method.description" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html#method.description" class="fn">description</a>(&amp;self) -&gt; &amp;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.str.html">str</a></h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 1.42.0: use the Display impl or to_string()</span></div></span><div class='docblock'> <a href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html#method.description">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.cause" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/error.rs.html#120">source</a></span><a href="#method.cause" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html#method.cause" class="fn">cause</a>(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;dyn <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a>&gt;</h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 1.33.0: replaced by Error::source, which can support downcasting</span></div></span></details><details class="toggle method-toggle" open><summary><section id="method.provide" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/error.rs.html#184">source</a><a href="#method.provide" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html#method.provide" class="fn">provide</a>&lt;'a&gt;(&amp;'a self, request: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/error/struct.Request.html" title="struct core::error::Request">Request</a>&lt;'a&gt;)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>error_generic_member_access</code>)</span></div></span><div class='docblock'>Provides type based access to context intended for error reports. <a href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html#method.provide">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3CEndOfInput%3E-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#284-288">source</a><a href="#impl-From%3CEndOfInput%3E-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="struct" href="../untrusted/struct.EndOfInput.html" title="struct untrusted::EndOfInput">EndOfInput</a>&gt; for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl"><a class="src rightside" href="../src/webpki/error.rs.html#285-287">source</a><a href="#method.from-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(_: <a class="struct" href="../untrusted/struct.EndOfInput.html" title="struct untrusted::EndOfInput">EndOfInput</a>) -&gt; Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3CError%3E-for-ControlFlow%3CError,+Error%3E" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#263-272">source</a><a href="#impl-From%3CError%3E-for-ControlFlow%3CError,+Error%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a>&gt; for <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/ops/control_flow/enum.ControlFlow.html" title="enum core::ops::control_flow::ControlFlow">ControlFlow</a>&lt;<a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a>, <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a>&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="../src/webpki/error.rs.html#264-271">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(value: <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a>) -&gt; Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#impl-PartialEq-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#tymethod.eq" class="fn">eq</a>(&amp;self, other: &amp;<a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#242">source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests for <code>!=</code>. The default implementation is almost always
sufficient, and should not be overridden without very good reason.</div></details></div></details><section id="impl-Copy-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#impl-Copy-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-Eq-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#impl-Eq-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-StructuralEq-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#impl-StructuralEq-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralEq.html" title="trait core::marker::StructuralEq">StructuralEq</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-StructuralPartialEq-for-Error" class="impl"><a class="src rightside" href="../src/webpki/error.rs.html#19">source</a><a href="#impl-StructuralPartialEq-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-Error" class="impl"><a href="#impl-RefUnwindSafe-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-Send-for-Error" class="impl"><a href="#impl-Send-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-Sync-for-Error" class="impl"><a href="#impl-Sync-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-Unpin-for-Error" class="impl"><a href="#impl-Unpin-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-UnwindSafe-for-Error" class="impl"><a href="#impl-UnwindSafe-for-Error" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#140">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#208">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#216">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#763">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-2" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#766">source</a><a href="#method.from-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#747-749">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#756">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; 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><a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#83-85">source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToString-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/string.rs.html#2600">source</a><a href="#impl-ToString-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/alloc/string/trait.ToString.html" title="trait alloc::string::ToString">ToString</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.to_string" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/string.rs.html#2606">source</a><a href="#method.to_string" class="anchor">§</a><h4 class="code-header">default fn <a href="https://doc.rust-lang.org/1.76.0/alloc/string/trait.ToString.html#tymethod.to_string" class="fn">to_string</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.76.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h4></section></summary><div class='docblock'>Converts the given value to a <code>String</code>. <a href="https://doc.rust-lang.org/1.76.0/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#803-805">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#810">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#788-790">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#795">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>