End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
OpenSSL::Cipher#random_key
cipher.random_key → key
ext/openssl/lib/openssl/cipher.rb
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# File tmp/rubies/ruby-3.2.0/ext/openssl/lib/openssl/cipher.rb, line 43
def random_key
str = OpenSSL::Random.random_bytes(self.key_len)
self.key = str
end
Generate a random key with OpenSSL::Random.random_bytes and sets it to the cipher, and returns it.
You must call encrypt or decrypt before calling this method.