Running head: DISCUSSION BOARD1Discussion BoardNameInstitutional AffiliationDISCUSSION BOARD2Discussion BoardThe exercise requires one to understand the meaning of decryption and the two-stagetransposition technique. In the event, learners are required to define the two-stagetransposition techniques and come up with relevant examples for practice. Moreover, learnersneed to be able to distinguish the different methods with clear illustrations of the same on theboard. The introduction of the topic will, therefore, enable learners to learn differentobjectives of cryptography and cryptanalysis.Lin (2012) asserts that cryptography aims at improving the confidentiality ofinformation. That is the most common goal of cryptography by most security professionals.They enhance the secrecy of the data by encoding. The encoding process takes place througha cryptographic key. The recipient also decrypts the data using the same or a different keyused by the sender. The second goal of cryptography is to enhance integrity. The main aim ofintegrity is to ensure that both the sender and the receiver have the same information. One ofthe methods used to improve integrity includ ...
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