RSpec
Ruby on Rails
Ruby
method
base64
v2_1_10 -
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Class: SecureRandom
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378
- 1_9_2_180
- 1_9_3_125 (0)
- 1_9_3_392 (0)
- 2_1_10 (2)
- 2_2_9 (0)
- 2_4_6
- 2_5_5
- 2_6_3
- What's this?
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base64
-
bytes
(>= v2_4_6)
-
gen_random
(>= v2_2_9)
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gen_random_openssl
(>= v2_5_5)
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gen_random_urandom
(>= v2_5_5)
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hex
-
lastWin32ErrorMessage
-
random_bytes
-
random_number
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urlsafe_base64
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uuid
= private
= protected
base64(n=nil)
public
SecureRandom.base64 generates a random base64 string.
The argument n specifies the length, in bytes, of the random number to be generated. The length of the result string is about 4/3 of n.
If n is not specified or is nil, 16 is assumed. It may be larger in future.
The result may contain A-Z, a-z, 0-9, “+”, “/” and “=”.
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.
