Judul: Implementasi Digital signature dalam Validasi Online Local E-Government Menggunakan Algoritme RSA dan MD5.
Abstrak: E-Government merupakan salah satu komponen penting dalam instansi pemerintahan. Masyarakat dapat sangat terbantu dengan adanya e-government dalam aktivitas pelayanan publik. Namun seringkali aspek keamanan kurang diperhatikan dalam pengembangan e-government seperti pada validasi permohonan surat keterangan secara online. Hal ini dapat menjadi celah keamanan karena konten dalam permohonan tersebut dapat dengan mudah dirubah dan penerima tidak dapat melakukan verifikasi terhadap keaslian permohonan tersebut. Tujuan penelitian ini adalah mengimplementasikan digital signature pada validasi online sistem local e-government menggunakan algoritme RSA dan MD5. Penelitian ini menghasilkan sistem yang dapat melakukan fungsi dasar pengajuan permohonan dan penerimaan permohonan, serta mampu memberikan layanan standar digital signature seperti pembangkitan kunci, pembangkitan tanda tangan digital, dan verifikasi permohonan. Pengujian terhadap sistem dilakukan berdasarkan skenario yang dibuat serta uji fungsional sistem.
Keyword: digital signature, e-government, keamanan

Judul: Protokol Keamanan Dokumen Digital pada Sistem E-Procurement menggunakan AES, RSA, dan SHA1
Abstrak: Digital signature is an authentic evidence and also has a function like a signature on the printed document, but its use in digital documents. Documents that was sent through the internet, should be ensured their source and destination. This research is decided to implement a security protokol on file transfer process on e-procurement system using AES, RSA, and SHA1 algorithm. Data used in this research is a compressed digital document with ZIP format. The result of this research indicate that the system has been created already capable of generating and verify digital signature. The security services that owned by this system such as confidentiality, entity authentication, data origin authentication, integrity, and non repudiation. The testing process is performed on these security services including confidentiality test, authentication test, integrity test, and non repudiation test. Confidentiality is guaranteed by the encryption process using AES algorithm. In addition, authentication, integrity, and non repudiation service is guaranteed by the digital signature mechanism.
Keyword: Bogor Agricultural University (IPB), tender, digital signature, E-Procurement

Judul: Posisi Filogenetik Kura-Kura Carettochelys Insculpta  (Reptillia: Testudinata)
Abstrak: Carettochelys insculpta is an endemic freshwater turtle of southern Papua and northern Australia. Phylogenetic position of this turtle is remain unresolved until now. Most of the research conducted show close relationships of C. insculpta and members of Trionychidae family. However, some of the research show distance between C. insculpta and members of Trionychidae family. This research is conducted to analyze phylogenetic relationship between C. insculpta and other members of Testudinata using 12S rRNA, 16S rRNA, and both gene as markers. DNA samples were obtained from three different organisms of C. insculpta. Two species used as outgroups were Alligator mississippiensis and Iguana iguana. Phylogenetic analysis was carried out using Neighbor-Joining method with Felsenstein 1981 (F81) modeltest. A polytomy tree of Testudinata was produced by using 12S rRNA gene. However, analysis using 16S rRNA and both genes as markers confirmed that C. insculpta was located between the Chelonidae and the Trionychidae family.
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