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Doc Bug #65176 openssl_pkey_new / openssl_pkey_get_public
Submitted: 2013-07-01 14:52 UTC Modified: -
Votes:7
Avg. Score:5.0 ± 0.0
Reproduced:7 of 7 (100.0%)
Same Version:3 (42.9%)
Same OS:1 (14.3%)
From: lynch@php.net Assigned:
Status: Open Package: OpenSSL related
PHP Version: Irrelevant OS: N/A
Private report: No CVE-ID: None
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 [2013-07-01 14:52 UTC] lynch@php.net
Description:
------------
---
From manual page: http://www.php.net/function.openssl-pkey-new#refsect1-function.openssl-pkey-new-description
---

The resulting resource cannot be used with openssl_pkey_get_public as stated.

At least not always.

Maybe that statement is only valid for some inputs for the config?

If so, clarification is needed, preferably identifying the sorts of keys where the statement is applicable.

See also: 25614 from 2009...


Test script:
---------------
$key_pair = openssl_pkey_new(array('digest_alg'=>'sha1', 'private_key_bits'=>1024, 'private_key_type'=>OPENSSL_KEYTYPE_RSA));

var_dump($key_pair);

$public = openssl_pkey_get_public($key_pair);
var_dump($public);


Expected result:
----------------
resource (4) of type (OpenSSL key)


Actual result:
--------------
PHP Warning:  openssl_pkey_get_public(): Don't know how to get public key from this private key in /var/www/vhost.d/zackstrade.dev/ib/keys/key_setup.php on line 8
PHP Stack trace:
PHP   1. {main}() /var/www/vhost.d/zackstrade.dev/ib/keys/key_setup.php:0
PHP   2. openssl_pkey_get_public() /var/www/vhost.d/zackstrade.dev/ib/keys/key_setup.php:8

Warning: openssl_pkey_get_public(): Don't know how to get public key from this private key in /var/www/vhost.d/zackstrade.dev/ib/keys/key_setup.php on line 8

Call Stack:
    0.0005     222672   1. {main}() /var/www/vhost.d/zackstrade.dev/ib/keys/key_setup.php:0
    0.0466     223696   2. openssl_pkey_get_public() /var/www/vhost.d/zackstrade.dev/ib/keys/key_setup.php:8



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