사용
J. Message B : Message For B Client의 구분을 위해서 사용
K. Certificate : 인증서
L. ID : 사용자의 계정 이름, 구분이 없는 형태
M. A’S ID : Client A의 ID
N. B’S ID : Client B의 ID
O. PW : 사용자의 계정 암호
P. E : Encryption 암호화 과정 표현
Q. D : Decryption 복호화 과정 표현
R. Pub : Public key
S. Priv : Private key
public-key cryptographic algorithms are designed to resist chosen-plaintext attacks. And their security is based both on the difficulty of finding the secret key from the public key and the difficulty of determining the plaintext from the cryptogram. At present, the most common public-key cryptosystem is the RSA algorithm. The RSA cryptosystem is related to the difficulty of factoring large numbe
5.3.2.1.1 International public goods
보편적인 지리학적 적용범위를 가진 순수공공재를 International public goods라고 한다. International public goods 는 국제 안보(international security), 지식, 환경 그리고 경제안정(economic stability)를 포함한다. 지식은 전 세계에 퍼져있기 때문에 비경쟁적인 재화이다.
지식은 사람들이
Failed states in a World of Terror
The Clash of Civilizations?
The Clash of Ignorance
Security dilemma and ethnic conflict
Discussion questions
Having failed at some of the basic conditions and responsibilities of a sovereign government
Loss of physical control of its territory
Erosion of legitimate authority to make collective decisions
Inability to provide reasonable public
security operation requires the commitment and cooperation of central and local government agencies, airport authorities, airlines, other airport tenants, police and security staff, and the public itself. We will discuss how security procedures affect airport operation and describes in general terms airport security requirements. For obvious reasons, descriptions of detailed procedural arrangemen