(PHP 4 >= 4.0.6, PHP 5, PHP 7) Encrypts data with private key
(PHP 4 >= 4.0.4, PHP 5, PHP 7) Free key resource
(PHP 4 >= 4.0.4, PHP 5, PHP 7) Verify signature
(PHP 5 >= 5.6.0, PHP 7) Exports the challenge assoicated with a signed public key and challenge
(PHP 5 >= 5.6.0, PHP 7) Exports a valid PEM formatted public key signed public key and challenge
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Exports a CSR to a file
(PHP 4 >= 4.0.4, PHP 5, PHP 7) Generate signature
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Gets an exportable representation of a key into a string
(PHP 4 >= 4.0.6, PHP 5, PHP 7) Encrypt an S/MIME message
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Extract public key from certificate and prepare it for use
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