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(PHP 4 >= 4.2.0, PHP 5)

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


resource openssl_pkey_get_public ( mixed certificate )

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

openssl_get_publickey() extracts the public key from certificate and prepares it for use by other functions. 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/private key (it may contain both).

  3. A PEM formatted private key.