A stream cipher is basically a cryptographically secure RNG. It takes a key (and sometimes an IV or nonce) and generates an endless stream of random bytes.
One popular way to make stream ciphers recently is to take a regular block cipher and just encoding a counter with it.
@article{yaltirakli, title = "Stream cipher", author = "Yaltirakli, Gokberk", journal = "gkbrk.com", year = "2024", url = "https://www.gkbrk.com/stream-cipher" }
Gokberk Yaltirakli, "Stream cipher", October, 2024. [Online]. Available: https://www.gkbrk.com/stream-cipher. [Accessed Oct. 19, 2024].
Yaltirakli, G. (2024, October 19). Stream cipher. https://www.gkbrk.com/stream-cipher
Gokberk Yaltirakli, Stream cipher, GKBRK.COM (Oct. 19, 2024), https://www.gkbrk.com/stream-cipher
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