Creates a salt value, which is needed in the function bcrypt hash password(), for example.

Parameters

Parameter	Description
a	The number of hashing rounds to be used when generating the salt value. The higher the value, the more time and difficulty is required for a brute force attack. If the value 0 is specified, the system default value is used. Important note: If the value is generated for the function bcrypt hash password(), 4 to 31 rounds must be used, otherwise an error occurs there.

Examples