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OpenSSL PHP function not working

I am looking for a few days how to translate this command into the OpenSLL php function:

$ openssl pkcs8 -inform DER -in aaa010101aaa_CSD_01.key -out AAA010101AAA.key.pem Enter Password: a0123456789

This work is perfect, but I can't (I don’t know) use the correct PHP OpenSSL function http://www.php.net/manual/es/ref.openssl.php

I did this for the perfect .cer operation:

 command : openssl x509 -inform DER -outform PEM -in aaa010101aaa_CSD_01.cer -out AAA010101AAA.cer.pem

PHP equivalent:

 function der2pem($der_data) { $pem = chunk_split(base64_encode($der_data), 64, "\n"); $pem = "-----BEGIN CERTIFICATE-----\n".$pem."-----END CERTIFICATE-----\n"; return $pem; } $fp = fopen("llaves/aaa010101aaa_CSD_01.cer", "r"); $priv_key = fread($fp, 8192); fclose($fp); echo der2pem($priv_key);

This is great, giving me a PEM. But it does not work for .key, only for .cer, I get this for .key on OpenSSL, using funcion in PHP:

 -----BEGIN RSA PRIVATE KEY----- MIICXgIBAAKBgQDpmiW1q9gyzCFtMcbaFDJexk2IpLoTdNXg4ToGRZ/f+hIjmj3N 6ODWX1ARNFGYocEHf113GpW5Oe/mj6UqhBpiH4JRTNR4Udb8myJTArIlODynVHuI UuyhKo7gbMbDdXjilTAYY2XWQuQ7aDtWwntUmNg4vAC/F3OtRz3+y9wM5QIDAQAB AoGAfNkHomqvZ6a1jrh1wIPez8xID+mKEW/2BvQYoNWBNqFeJG0A7xWxZKEYF7nQ ijSZB7rIZylsL8yJLL5E1c44koc+2+S6OF6gcWujcLR5UFRIZscxo0e1ro30wSTy MBcdBeWASbaEy7+7MF46W0hAhBE7b49JUmduz1fBjtNNeoECQQD3VbNAsbf/90Vw ZVexUXWNquwPsAZjmdpL1Te1RdC5txj2EbUdDPaaYC1cCXXjblf9rsyyViUowsNt cnh92wSRAkEA8clIHObESiZZEndtmYuRlgLsX2Gr/qo30uAUurH7p8Q07SWOZCJk OPJUhh2qanYZsnsOYHW+9Br5U6gDknxdFQJBALoua9nWLdDjnQTHdKSI0jmLIVmJ wrV1GgsdfGrbHAzAlGye1bwBhxycK2jtwi0qYdgXngTcreop+hxIIAV1OdECQQC7 v7rZhnBhy8lax5Y5puEUBY0au7Nc+zyB6TLvjgmGSpt2krUxGGuOtM3hnuOX68Ek kN2nFYeD8fYtecfcVenJAkEAxM+QzoVdJpw1/ijh+IfZ5eNhvMK2bj4De+/2Sx5K ZZ9SiI7bRaOjBfvaI7AkeH0LpihURW12Zt7hZv8kC058Jg== -----END RSA PRIVATE KEY-----

The same functions in php give me:

 -----BEGIN----- MIICxjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDgQIgkLCyAP9+nQCAggA MBQGCCqGSIb3DQMHBAgTJc/0zgL+tASCAoBHumtbuHsY5IevnUwr1Ha5P+S3RpVS 6iYvoOvKs5L6bPE+fjCkLxset0e68NcyXDw3WO/qzfGkFVGBnC90gekWUiS7/2pf ltPeKjo8Fw7T4CgVWhtnVdPZmJWihY52FuIQ2HuyQYzH8K/SnjYP4GBkJKpdPCjy JNzjspfJPoOlfdOkj7URwvKH5RjsLGYkopjtdaqxS2pFfz6PPCSiFMn+Jo9Vkjwv 3d1b3X2SoYuYhV2g3XgHWHBQNqoas8Blhcw8OYNlntxcaNnx3Eb9YcCWSmNj7l+c pibvosXzEqVoat6PsJyUVzJQZBao15PnI438qomkprsCy6EvFSSXuIunMH7nVIGH gcS0TRxYpXPHY3cdQOdsJtxb4Ny1aCJqLQkHs2jbiLZ5mu+rmQUil3tLxfRd4Bje AYA3T1e5VVVha97BmNQVTbNfxj9wWvkmrearxJXTvvnML4f0ma830S/1AGmCGLb/ A2KlqHq9RxqJn1SdOuYQbcQTeGe/JRVOaJVGUKxJ2vbwjB/35cmGNLKYj4faZZgy jYpC3BqVeDcPGlPuMnoNkgrBfLDgDX+JV6tqqT2uMo76Wp6xYKmM41jkO1IAWpHR /R7d3aG2psL0wKkFSEXWxhX3SRLdurVcFLv6E6bEPHqHJR4QrvF2OUwpDhOZz9F/ Lz935gz5MQNRuVRtAVBAa2ZmjRbdCboL/qiL2MKibZLNRmKy3dqRdPOmnlKKBR8d cYQc4YwRm5dWuObO2tY68R4H43g7shw+POKSzvSPhAkzRRGExONVDJ6Zg/0iAUNe 0xYlsqKJyCJ1fg/b1AuFyyAnOhCO9ywUGiK7t92pZRgmwxEfVBDRNcbA -----END ----- + S3RpVS 6iYvoOvKs5L6bPE + fjCkLxset0e68NcyXDw3WO / qzfGkFVGBnC90gekWUiS7 / 2pf ltPeKjo8Fw7T4CgVWhtnVdPZmJWihY52FuIQ2HuyQYzH8K / SnjYP4GBkJKpdPCjy JNzjspfJPoOlfdOkj7URwvKH5RjsLGYkopjtdaqxS2pFfz6PPCSiFMn + Jo9Vkjwv 3d1b3X2SoYuYhV2g3XgHWHBQNqoas8Blhcw8OYNlntxcaNnx3Eb9YcCWSmNj7l + c pibvosXzEqVoat6PsJyUVzJQZBao15PnI438qomkprsCy6EvFSSXuIunMH7nVIGH gcS0TRxYpXPHY3cdQOdsJtxb4Ny1aCJqLQkHs2jbiLZ5mu + rmQUil3tLxfRd4Bje AYA3T1e5VVVha97BmNQVTbNfxj9wWvkmrearxJXTvvnML4f0ma830S / 1AGmCGLb / A2KlqHq9RxqJn1SdOuYQbcQTeGe / JRVOaJVGUKxJ2vbwjB / 35cmGNLKYj4faZZgy jYpC3BqVeDcPGlPuMnoNkgrBfLDgDX + JV6tqqT2uMo76Wp6xYKmM41jkO1IAWpHR / R7d3aG2psL0wKkFSEXWxhX3SRLdurVcFLv6E6bEPHqHJR4QrvF2OUwpDhOZz9F / Lz935gz5MQNRuVRtAVBAa2ZmjRbdCboL / qiL2MKibZLNRmKy3dqRdPOmnlKKBR8d cYQc4YwRm5dWuObO2tY68R4H43g7shw + -----BEGIN----- MIICxjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDgQIgkLCyAP9+nQCAggA MBQGCCqGSIb3DQMHBAgTJc/0zgL+tASCAoBHumtbuHsY5IevnUwr1Ha5P+S3RpVS 6iYvoOvKs5L6bPE+fjCkLxset0e68NcyXDw3WO/qzfGkFVGBnC90gekWUiS7/2pf ltPeKjo8Fw7T4CgVWhtnVdPZmJWihY52FuIQ2HuyQYzH8K/SnjYP4GBkJKpdPCjy JNzjspfJPoOlfdOkj7URwvKH5RjsLGYkopjtdaqxS2pFfz6PPCSiFMn+Jo9Vkjwv 3d1b3X2SoYuYhV2g3XgHWHBQNqoas8Blhcw8OYNlntxcaNnx3Eb9YcCWSmNj7l+c pibvosXzEqVoat6PsJyUVzJQZBao15PnI438qomkprsCy6EvFSSXuIunMH7nVIGH gcS0TRxYpXPHY3cdQOdsJtxb4Ny1aCJqLQkHs2jbiLZ5mu+rmQUil3tLxfRd4Bje AYA3T1e5VVVha97BmNQVTbNfxj9wWvkmrearxJXTvvnML4f0ma830S/1AGmCGLb/ A2KlqHq9RxqJn1SdOuYQbcQTeGe/JRVOaJVGUKxJ2vbwjB/35cmGNLKYj4faZZgy jYpC3BqVeDcPGlPuMnoNkgrBfLDgDX+JV6tqqT2uMo76Wp6xYKmM41jkO1IAWpHR /R7d3aG2psL0wKkFSEXWxhX3SRLdurVcFLv6E6bEPHqHJR4QrvF2OUwpDhOZz9F/ Lz935gz5MQNRuVRtAVBAa2ZmjRbdCboL/qiL2MKibZLNRmKy3dqRdPOmnlKKBR8d cYQc4YwRm5dWuObO2tY68R4H43g7shw+POKSzvSPhAkzRRGExONVDJ6Zg/0iAUNe 0xYlsqKJyCJ1fg/b1AuFyyAnOhCO9ywUGiK7t92pZRgmwxEfVBDRNcbA -----END -----

Any ideas?

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3 answers

I think you are trying to create a system for SAT Mexico. I am trying to find the same solution in PHP, but this is not possible with PHP.

Even with your der2pem function (this function had 4 years), because there was password protection in this file, you need to use the exec command.

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Have you tried using PEMWriter ??? I use it in my code, which is part of my question . Hope this helps.

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There is a library that allows only this. This is called Chilkat2 . I used this to do the same in Python without a console. Right now I am trying to remove this dependency in my library because it closed the source code, and it cannot be installed through package managers, it must be installed manually using the instructions on the site.

However, it works pretty well, so here, how would you do it, provided that you have a .key file, password, and PHP Chilkat2 extension:

 include("chilkat_9_5_0.php"); //whatever version you download privateKey = new CkPrivateKey(); privateKey.LoadPkcs8EncryptedFile('path/to/private.key',password) pemString = privateKey.getPkcs8Pem()

Note: I created this code with documentation , but I never used Chilkat2 with PHP.

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