Chosen-ciphertext attack

If you find our videos helpful you can support us by buying something from amazon. https://www.amazon.com/?tag=wiki-audio-20 Chosen-ciphertext attack A chosen-ciphertext attack (CCA) is an attack model for cryptanalysis in which the cryptanalyst gathers information, at least in part, by choosing a ciphertext and obtaining its decryption under an unknown key.In the attack, an adversary has a chance to enter one or more known ciphertexts into the system and obtain the resulting plaintexts. -Video is targeted to blind users Attribution: Article text available under CC-BY-SA image source in video https://www.youtube.com/watch?v=-7GKQskiDKA