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CI_Encryption::create_key()

create_key($length)

Parameters:	$length (int) – Output length
Returns:	A pseudo-random cryptographic key with the specified length, or FALSE on failure
Return type:	string

Creates a cryptographic key by fetching random data from the operating system’s sources (i.e. /dev/urandom).

Links:

http://www.codeigniter.com/user_guide/libraries/encryption.html#CI_Encryption::create_key

doc_CodeIgniter

2016-10-15 16:31:32

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