RSpec
Ruby on Rails
Ruby
method
generate_random_hex_key
v7.1.3.2 -
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Class: KeyGenerator
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- What's this?
= private
= protected
generate_random_hex_key(length: key_length)
public
Returns a random key in hexadecimal format. The key will have a size in bytes of :length (configured Cipher's length by default)
Hexadecimal format is handy for representing keys as printable text. To maximize the space of characters used, it is good practice including not printable characters. Hexadecimal format ensures that generated keys are representable with plain text
To convert back to the original string with the desired length:
[ value ].pack("H*")
