Methods
Constants
| BASE58_ALPHABET | = | ("0".."9").to_a + ("A".."Z").to_a + ("a".."z").to_a - ["0", "O", "I", "l"] |
Class Public methods
base58(n = 16)
SecureRandom.base58 generates a random base58 string.
The argument n specifies the length, of the random string to be generated.
If n is not specified or is nil, 16 is assumed. It may be larger in the future.
The result may contain alphanumeric characters except 0, O, I and l
p SecureRandom.base58 # => "4kUgL2pdQMSCQtjE"
p SecureRandom.base58(24) # => "77TMHrHJFvFDwodq8w7Ev2m7"
📝 Source code
# File activesupport/lib/active_support/core_ext/securerandom.rb, line 18
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