Judul: Motivasi dan Perilaku Menonton Program Acara Merajut Asa Trans7 pada Petani Desa Citapen, Kabupaten Bogor
Abstrak: This study aimed to asses the correlation between demographic characteristics with viewing motivation, the correlation between social groups affiliation with viewing motivation, the correlation between personality type with viewing motivation, and the correlation between viewing motivation with viewing behavior of watching Merajut Asa Trans7 program. The research sample was farm worker in RW 05 Citapen Village who had seen the program. The results of the study explain that gender associated with integration and social interaction motivation and additional work associated with personal identity motivation. Age, level of education, income levels, family’s size, and the type of personality was not associated with viewing motivation. The level of social group affiliation associated only with information motivation and personal identity motivation, while viewing motivation was not related with viewing behavior of Merajut Asa Trans7 program.
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Judul: Perilaku Menonton dan Kepuasan Petani terhadap Program Merajut Asa Trans7 di RW 05 Desa Citapen
Abstrak: This study aims to identify the behavior of the audience watching television, as well as analyzed the relationship between viewing behavior with the level of audiences satisfaction the programs Merajut Asa Trans7. The method was used in this study is a survey method with the quantitative approaches supported by qualitative data. The results of this study explain the choice of the most popular by farmers is the program information and entertainment. Farmers have a low duration of watching television, i.e. during 7.50-45.75 minutes/day, as well as the duration of watching programs Merajut Asa Trans7 also low, i.e. during 1-15 minutes. Farmers have a low frequency of watching television, the only watch 1-4 times a week. Frequency of watching programs Merajut Asa Trans7 also low, i.e. 1-2 times a month. Duration of watching is not associated with the level of audiences satisfaction. Frequency of watching associated with the level of audiences satisfaction, i.e. satisfaction information.
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Judul: Algorithm construction of HLI hash function
Abstrak: Cryptography is a study of mathematical techniques related to aspects of information security regarding on confidentiality, data integrity, entity authentication, and data origin authentication. Data integrity is a service, which is associated with the conversion of data carried out by unauthorized parties. To maintain data integrity, one can use hash functions. An hash function is a computationally efficient function to map an arbitrary length bitstring to a fixed length bitstring called as hash value. The use of hash function in maintaining the information integrity and authentication is in digital signatures, virus protection, and software distribution. Illustration of the hash function in the integrity and authentication of information that is emailed as follow. The sender sends the information and hash value to the recipient. If the hash value of the information is equal to the hash value that is sent by the sender, then information has not been changed. Otherwise the information has been changed. An hash function has two properties, one way and collision resistance. An hash function is called one way if it is computationally infeasible to find any input such that when given any hash value . Meanwhile an hash function is called collision resistant if it is computationally infeasible to find any two inputs where such that . The purpose of this study is to construct a HLI hash function algorithm, to analyze the speed and security of the hash functions as a results of construction. Furthermore, it is to compare it with SWIFFT. Hash function is constructed based on the result of algebraic operations on modular polynomial ringwith . Modular polynomial ring noted as is a set of all polynomials of degree at most with coefficients in . can be represented as a set of integer vector of modulo in dimension . So, it is simple to implement in a computer. In vector operations, is lattice . Furthermore, alattice that is defined from certain polynomial ring is called ideal lattice. HLI hash function is consists of addition and multiplication algorithm in the ring. Addition algorithm consists of sumation operations of modulo and multiplication consists of multiplication operations of modulo . Generally, algorithm of HLI hash function consists of multiplication operations of modulo and addition operations of modulo . However, if the input is binary number then multiplication algorithm only consists of multiplication operation of modulo , so algorithm of HLI hash function consists of multiplication operations of modulo and addtion operations of modulo . An hash function is secured if it has two properties, i.e., one way and collision resistance. HLI hash function hash is one way, it is following the proof of Micciancio. It is has collision resistant because of polynomial is irreducible over and monic. Moreover, it is proved that for every unit vector , the vector is small vector. If the input of hash function is a binary number then HLI hash function only involves addition operations of modulo . So the time that used almost same with SWIFFT. The excellence of HLI hash function is the key size smaller than SWIFFT. This effect on
Keyword: hash function, modular polynomial ring, lattice