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mcrypt _module _get _supported _key _sizes

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(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

mcrypt_module_get_supported_key_sizes — Returns an array with the supported keysizes of the opened algorithm

Warning

This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.

Description

mcrypt_module_get_supported_key_sizes ( string $algorithm [, string $lib_dir ] ) : array

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

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Parameters

algorithm

The algorithm to be used.

lib_dir

The optional lib_dir parameter can contain the location where the algorithm module is on the system.

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Return Values

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

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See Also

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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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