2 @section External/internal rekeying mechanisms
6 Rekeying mechanisms for symmetric keys
8 @url{https://tools.ietf.org/html/rfc8645, 8645}
10 @url{https://tc26.ru/standarts/rekomendatsii-po-standartizatsii/r-1323565-1-017-2018-informatsionnaya-tekhnologiya-kriptograficheskaya-zashchita-informatsii-kriptograficheskie-algoritmy-soputstvuyushchie-primeneniyu-algoritmov-blochnogo-shifrovaniya.html, Р 1323565.1.017-2018}
13 @strong{Features}: this RFC describes parallel and serial block-cipher,
14 hash-function and tree-based "external" rekeying methods and also
15 "internal" ACPKM (Advanced Cryptographic Prolongation of Key Material)