Des

ABSTRAK
Kata sandi atau password digunakan untuk mengamankan data privasi yang tidak boleh diketahui sembarang orang. Di zaman teknologi seperti sekarang, terutama sistem informasi, kata sandi menjadi pokok atau menjadi privasi hal yang penting dalam mengakses data. Dengan penggunaan kata sandi data yang tidak boleh dilihat sembarang orang tetap terjaga selama yang mengakses tidak mengetahui kata sandi untuk melihat data tersebut.
Namun seiring perkembangan zaman yang semakin canggih dan perkembangan sistem informasi yang begitu pesat. Kebutuhan akan keamanan kata sandi sangat diperlukan. Karena ketergantungan manusia akan sistem informasi membuat pihak-pihak yang tidak bertanggung jawab (baca : Hacker Blackhat) berusaha untuk mencuri data-data tersebut. Baik itu hanya untuk iseng saja, keuntungan pribadi atau keuntungan pada pihak-pihak terkait.
Maka dari itu berbagai metode encrypt data semakin berkembang, dari kata sandi Caesar sampai sekarang yang banyak variasi metode enkripsi-deskripsi. Salah satu metode enkrips-dekripsi data adalah DES (Data Encryption Standard). Yaitu proses penyandian data dengan menggunakan metode aritmatika kode binner.
Dengan adanya jurnal enkripsi-dekripsi DES ini diharapkan dapat menambah pengetahuan dengan berbagai metode peyandian data. Dan diharapkan dapat mengantisipasi celah-celah keamanan kata sandi dari para Hacker.

Kata kunci : DES, Unirow, Enkripsi, Kata Sandi


ABSTRACT
Passwords used to secure the personal data that should not be known to anyone. In an age of technology as it is now, especially information systems, passwords or be the subject of privacy is important in accessing the data. By using your password data may not be visible for everyone to stay awake for access who do not know the password to view the data.
But as increasingly sophisticated system development time and information is so rapid. The need for security password needed. Because the human dependence on information systems to make those who are not responsible (read: Blackhat Hacker) attempt to steal data. Is it just for fun, profit or gain privasi related parties.
So that various methods of growing encrypt the data, from the cipher said until now that many different methods of encryption and description. One method enkrips decrypt the data DES (Data Encryption Standard). It is the process of encoding data using arithmetic Binner code.
With journal DES encryption and decryption is expected to increase the knowledge of various methods of data peyandian. And is expected to anticipate Hacker password security gaps.

Keyword : DES, Unirow, Encrypt, Password

Deep eutectic solvents (DESs) are a class of green solvents exhibiting low vapor pressure, high thermal stability, low toxicity, and biodegradability. These features make them attractive solvents for lignocellulosic biomass processing, especially for lignin valorization. DESs not only solubilize lignin from lignocellulose biomass, but also confer extracted lignin with properties favorable to its further upgrading. This review summarizes recent advances in biomass fractionation using DESs for lignin extraction. It also covers lignin upgrading in DESs in terms of depolymerization and functionalization. The challenges of tailoring lignin properties by DESs for different valorization routes are also discussed.

Most of the information is in the form of electronic data. A lot of electronic data exchanged takes place through computer applications. Therefore information exchange through these applications needs to be secure. Different cryptographic algorithms are usually used to address these security concerns. However, along with security there are other factors that need to be considered for practical implementation of different cryptographic algorithms like implementation cost and performance. This paper provides comparative analysis of time taken for encryption by seven symmetric key cryptographic algorithms (AES, DES, Triple DES, RC2, Skipjack, Blowfish and RC4) with variation of parameters like different data types, data density, data size and key sizes.