base64(n=nil)
Class Public methods
::base64 generates a random base64 string.
The argument n specifies the length of the random length. The length of the result string is about 4/3 of n.
If n is not specified, 16 is assumed. It may be larger in future.
The result may contain A-Z, a-z, 0-9, â+â, â/â and â=â.
p SecureRandom.base64 #=> "/2BuBuLf3+WfSKyQbRcc/A==" p SecureRandom.base64 #=> "6BbW0pxO0YENxn38HMUbcQ=="
If secure random number generator is not available, NotImplementedError is raised.
See RFC 3548 for the definition of base64.
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