AUMASSON, Jean-Phillipe; FISCHER, Simon; KHAZAEI, Shahram. New Features of Latin Dances: Analysis of Salsa, ChaCha, and Rumba. In: NYBERG, Kaisa. Fast Software Encryption 2008. Berlín: Springer, 2008. Dostupné online. ISBN978-3-540-71039-4. (anglicky)
LANGLEY, Adam; CHANG, Weh-Teh; MAVROGIANNOPOULOS, Nikos; STROMBERGSON, Joachim; JOSEFSSON, Simon. ChaCha20-Poly1305 Cipher Suites for Transport Layer Security (TLS). Request for Comments [online]. Červen 2016. Čís. 7905. Dostupné online. ISSN2070-1721. (anglicky)
NIV, Yoav. ChaCha20, Poly1305, and Their Use in the Internet Key Exchange Protocol (IKE) and IPsec. Request for Comments [online]. Srpen 2015. Čís. 7634. Dostupné online. ISSN2070-1721. (anglicky)
Encryption Communications Open Source OpenSSH Has a New Cipher — ChaCha20-poly1305 — from D.J. Bernstein. Slashdot.org [online]. 2013-12-11. Dostupné online.
LANGLEY, Adam; CHANG, Weh-Teh; MAVROGIANNOPOULOS, Nikos; STROMBERGSON, Joachim; JOSEFSSON, Simon. ChaCha20-Poly1305 Cipher Suites for Transport Layer Security (TLS). Request for Comments [online]. Červen 2016. Čís. 7905. Dostupné online. ISSN2070-1721. (anglicky)
NIV, Yoav. ChaCha20, Poly1305, and Their Use in the Internet Key Exchange Protocol (IKE) and IPsec. Request for Comments [online]. Srpen 2015. Čís. 7634. Dostupné online. ISSN2070-1721. (anglicky)
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BERNSTEIN, Daniel J. The Salsa20 family of stream ciphers [online]. 2007-12-25. Dostupné online. (anglicky)