PHP Handbuch
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mcrypt_enc_get_key_size

(PHP 4 >= 4.0.2)

mcrypt_enc_get_key_size -- Returns the maximum supported keysize of the opened mode

Description

int mcrypt_enc_get_key_size (resource td)

This function returns the maximum supported key size of the algorithm specified by the encryption descriptor td in bytes.

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mcrypt_enc_get_block_size	Nach oben	mcrypt_enc_get_supported_key_sizes