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mcrypt_enc_get_supported_key_sizes()

mcrypt_enc_get_supported_key_sizes - Returns an array with the supported keysizes of the opened algorithm

Syntax

array mcrypt_enc_get_supported_key_sizes (resource $td)

Arguments

  • td - The encryption descriptor.

Description

Gets the supported key sizes of the opened algorithm.

Version

PHP 4.0.2, 5

Return value

Returns an array with the key sizes supported by the algorithm specified by the encryption descriptor. If it returns an empty array then all key sizes between 1 and mcrypt_enc_get_key_size() are supported by the algorithm.