"RFC4868"@en . . "Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec"@en . . . . . . . "21"^^ . "S. Kelly" . . . . . . "request for comments publication"@en . . . . . . "10.17487/RFC4868" . "S. Frankel" . "4868" . "RFC 4868: Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec"@en . "RFC 4868: Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec"@en . "RFC 4868: Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec"@en . . . "Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec"@en . "journals/rfc/rfc4868" . "\u043F\u0443\u0431\u043B\u0456\u043A\u0430\u0446\u0456\u044F \u0437\u0430\u043F\u0438\u0442\u0443 \u043A\u043E\u043C\u0435\u043D\u0442\u0430\u0440\u0456\u0432"@uk . "2007-05-01T00:00:00Z"^^ . . . . . . .