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openssl_pkey_get_public

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(PHP 4 >= 4.2.0, PHP 5, PHP 7)

openssl_pkey_get_public — Extract public key from certificate and prepare it for use

Description

openssl_pkey_get_public ( mixed $certificate ) : resource

openssl_get_publickey() extracts the public key from certificate and prepares it for use by other functions.

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Parameters

certificate

certificate can be one of the following:

  1. an X.509 certificate resource
  2. a string having the format file://path/to/file.pem. The named file must contain a PEM encoded certificate/public key (it may contain both).
  3. A PEM formatted public key.

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Return Values

Returns a positive key resource identifier on success, or FALSE on error.

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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