Module: SecureRandom

Defined in:
lib/active_storage/patches/secure_random.rb

Constant Summary collapse

BASE58_ALPHABET = 
("0".."9").to_a + ("A".."Z").to_a + ("a".."z").to_a - ["0", "O", "I", "l"]
BASE36_ALPHABET = 
("0".."9").to_a + ("a".."z").to_a

Class Method Summary collapse

Class Method Details

.base36(n = 16) ⇒ Object 



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# File 'lib/active_storage/patches/secure_random.rb', line 18

def self.base36(n = 16)
  SecureRandom.random_bytes(n).unpack("C*").map do |byte|
    idx = byte % 64
    idx = SecureRandom.random_number(36) if idx >= 36
    BASE36_ALPHABET[idx]
  end.join
end

.base58(n = 16) ⇒ Object 



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# File 'lib/active_storage/patches/secure_random.rb', line 8

def self.base58(n = 16)
  SecureRandom.random_bytes(n).unpack("C*").map do |byte|
    idx = byte % 64
    idx = SecureRandom.random_number(58) if idx >= 58
    BASE58_ALPHABET[idx]
  end.join
end