blocks|key|2251961|text|尝试如下:如果您有以下文件：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2251962|aps.cer，从苹果下载。
app.key，由openssl生成的您自己的私钥。|blockquote|2251963|第一，将.cer文件转换为.pem格式：|2251964|openssl+x509+-in+aps.cer+-inform+DER+-out+aps.pem+-outform+PEM|code-block|syntax|javascript|2251965|第二，使用.pem文件和私有.key生成.p12文件：|2251966|openssl+pkcs12+-export+-out+aps.p12+-inkey+app.key+-in+aps.pem|2251967|这应该提示为这个.p12文件询问密码。|2251968|参比：|2251969|identity.cer+to+p12+without+having+to+export+from+Key+Chain?|offset|length|2251970|Creating+a+.p12+file|2251971|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/1453286/aps-developer-identity-cer-to-p12-without-having-to-export-from-key-chain?noredirect=1&lq=1|1|https://stackoverflow.com/questions/21141215/creating-a-p12-file^0|0|0|0|0|0|0|0|0|0|1O|0|0|0|K|1|0^^$0|@$1|2|3|4|5|6|7|19|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1A|8|@]|9|@]|A|$]]|$1|E|3|F|5|6|7|1B|8|@]|9|@]|A|$]]|$1|G|3|H|5|I|7|1C|8|@]|9|@]|A|$J|K]]|$1|L|3|M|5|6|7|1D|8|@]|9|@]|A|$]]|$1|N|3|O|5|I|7|1E|8|@]|9|@]|A|$J|K]]|$1|P|3|Q|5|6|7|1F|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1G|8|@]|9|@]|A|$]]|$1|T|3|U|5|6|7|1H|8|@]|9|@$V|1I|W|1J|1|1K]]|A|$]]|$1|X|3|Y|5|6|7|1L|8|@]|9|@$V|1M|W|1N|1|1O]]|A|$]]|$1|Z|3|-4|5|6|7|1P|8|@]|9|@]|A|$]]]|10|$11|$5|12|13|14|A|$15|16]]|17|$5|12|13|14|A|$15|18]]]]

try this:
given you have files as follow:

<blockquote>
 aps.cer, downloaded from Apple.
 
 app.key, your own private key generated by openssl.
</blockquote>

1st, convert the .cer file into .pem format:

<pre><code>openssl x509 -in aps.cer -inform DER -out aps.pem -outform PEM
</code></pre>

2nd, use the .pem file and your private .key to generate .p12 file:

<pre><code>openssl pkcs12 -export -out aps.p12 -inkey app.key -in aps.pem
</code></pre>

this should prompt to ask a password for this .p12 file.

CF:

<a href="https://stackoverflow.com/questions/1453286/aps-developer-identity-cer-to-p12-without-having-to-export-from-key-chain?noredirect=1&amp;lq=1">aps_developer_identity.cer to p12 without having to export from Key Chain?</a> 

<a href="https://stackoverflow.com/questions/21141215/creating-a-p12-file">Creating a .p12 file</a>

blocks|key|2252001|text|对我来说，处理推送通知认证的方法是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2252002|打开证书：open+my_filename.cer并单击“查看证书”以查看证书的名称|ordered-list-item|offset|length|style|CODE|2252003|转到应用程序->实用程序->密钥链访问|2252004|确保您选择了“登录”密钥链，而不是“系统”链接(感谢@Matt+Flettcher+)|2252005|转到“证书”|2252006|查找所需的证书|2252007|确保您可以展开它，并在下面看到用于生成证书的原始".certSigningRequest“。|2252008|此时，您应该可以将其导出为".p12“|2252009|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/39091048/convert-cer-to-p12/44696730?noredirect=1#comment105486161_44696730^0|0|5|K|0|0|R|E|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|13|8|@$E|14|F|15|G|H]]|9|@]|A|$]]|$1|I|3|J|5|D|7|16|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|17|8|@]|9|@$E|18|F|19|1|1A]]|A|$]]|$1|M|3|N|5|D|7|1B|8|@]|9|@]|A|$]]|$1|O|3|P|5|D|7|1C|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|1D|8|@]|9|@]|A|$]]|$1|S|3|T|5|D|7|1E|8|@]|9|@]|A|$]]|$1|U|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|V|$W|$5|X|Y|Z|A|$10|11]]]]

What works for me dealing with Push Notification certifies has been:

<ol>
<li>Open the certificate: <code>open my_filename.cer</code> and click "View Certificates" to see the certificate's name</li>
<li>Go to Applications -> Utilities -> Keychain Access</li>
<li>Ensure you have selected the "login" keychain, not the "system" one (thanks to @<a href="https://stackoverflow.com/questions/39091048/convert-cer-to-p12/44696730?noredirect=1#comment105486161_44696730">Matt Flettcher</a> )</li>
<li>Go to "Certificates"</li>
<li>Look for the desired certificate</li>
<li>Ensure that you can expand it and see under it the original ".certSigningRequest" used to generate the certificate</li>
<li>At this moment you should be able to export it as ".p12"</li>
</ol>

blocks|key|2252062|text|我也有同样的问题。.p12导出不可用，只有.p7b|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2252063|我很容易就解决了|2252064|您不能通过左下角的“证书”目录选择证书，而是通过“我的证书”目录选择证书。|2252065|就像这样，一个箭头应该显示在证书的左边。点击它，你就会看到你的私钥。|2252066|右击您的私钥并选择“导出键”选项。现在，您可以按照医生的命令创建一个.p12证书文件。|2252067|祝好运!|2252068|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|P|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|Q|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|S|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|M|$]]

I had the same problem. .p12 Export was not available, only .p7b

I solved it very easily:

You don´t select your certificate via the "certificates" directory on the lower left, but via the "My Certificates" directory.

Like this, an arrow should show up left of your certificate.
Click it, and you will see your private Key.

Right-Click on your private Key and select the "export Key" option. Now you can create a .p12 Certificate File, just as the doctor ordered.

Good Luck!

blocks|key|1187346|text|您应该同时选择证书和私钥。然后，您将能够导出带有p12扩展的证书。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1187347|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You should select both cert and private key. Then you will able to export certs with p12 extension.

blocks|key|1185247|text|在我的例子中，我试图创建一个pfx/PKCS12+12文件，并尝试了给定的命令，并运行了两个问题，其中一个问题是：无法加载证书，即使我做得对。然后尝试使用下面的一个命令，而不是其他几个命令：|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|1185248|openssl+pkcs12+-export+-out+requiredPFXfile.pfx+-inkey+yourPrivateKey.key+-in+yourcertificate.cer|CODE|1185249|请查找更多细节链接:-+https://www.ssl.com/how-to/create-a-pfx-p12-certificate-file-using-openssl/|1185250|我是SSL和证书的新手，不能评判其他答案，感谢大家在这里的工作！！|1185251|entityMap|0|LINK|mutability|MUTABLE|url|https://www.ssl.com/how-to/create-a-pfx-p12-certificate-file-using-openssl/^0|1L|6|0|0|2P|0|C|23|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|X|8|@$9|Y|A|Z|B|H]]|D|@]|E|$]]|$1|I|3|J|5|6|7|10|8|@]|D|@$9|11|A|12|1|13]]|E|$]]|$1|K|3|L|5|6|7|14|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

In my case I'm trying to create a pfx/PKCS12 file and have tried the given commands and ran through couple of issues out of which one was : Unable to load certificate even I'm doing right. So then tried with the below one command instead of few others:

<code>openssl pkcs12 -export -out requiredPFXfile.pfx -inkey yourPrivateKey.key -in yourcertificate.cer</code>

Please find link for more details :- 
<a href="https://www.ssl.com/how-to/create-a-pfx-p12-certificate-file-using-openssl/" rel="nofollow noreferrer">https://www.ssl.com/how-to/create-a-pfx-p12-certificate-file-using-openssl/</a>

I'm newbie to SSL &amp; certs stuff &amp; can't judge on other answers,appreciate everyone's work here!!

blocks|key|2252139|text|在我的例子中，以p12格式导出的能力取决于证书类型。对于"Apple“证书类型，它是禁用的，就像在您的情况下一样。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2252140|当我创建了类型为“IOS分发(App和Ad+)”的新证书并像前一个一样处理它时，p12格式就可以在导出对话框中使用。|2252141|entityMap^0|8|3|S|7|0|5|1H|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|R|8|@]|D|@]|E|$]]]|I|$]]

In my case the abilty to export in p12 format depends on certificate type. For &quot;Apple Distribution&quot; certificate type it is disabled, right like in your case.
When I created new certificate with type &quot;IOS Distribution (App Store and Ad Hoc)&quot; and processed it right like previous one, the p12 format became available in export dialog.

I'm working on a project for a client. I have two .cer files (developer and distribution) both are loaded into Keystore Access on Mac OS X. However I'm unable to export as a .p12 file.

<a href="https://i.stack.imgur.com/VlWjx.png" rel="noreferrer"><img src="https://i.stack.imgur.com/VlWjx.png" alt="ui"></a>

Alternatively I tried OpenSSL but still no luck...

<blockquote>
 openssl pkcs12 -export -in followMe_ios_development.cer -out followMe_ios_development.p12 -clcerts -nokeys
</blockquote>

How can I export this .cer file as a .p12 so I can compile this app for iOS?

Convert .cer to .p12

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在为一个客户做一个项目。我有两个.cer文件(开发人员和发行版)，它们都加载到Mac上的Keystore访问中。但是，我无法作为.p12文件导出。​​或者我试过OpenSSL，但还是没有运气.openssl pkcs12 -export -in followMe_ios_development.cer -out followMe_ios_development.p12 -clcerts -nok

问将.cer转换为.p12
EN

回答 6

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问将.cer转换为.p12EN

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问将.cer转换为.p12
EN