"14"^^ . "H. Krawczyk" . . "RFC 5869: HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"@en . . . "request for comments publication"@en . . . . "HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"@en . . . . . . . . . . . "HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"@en . . "journals/rfc/rfc5869" . "RFC5869"@en . . . . . . . "5869" . . . "10.17487/RFC5869" . . . . . . . . . . "\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 . . . "2010-05-01T00:00:00Z"^^ . . "RFC 5869: HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"@en . "RFC 5869: HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"@en . . . .