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Buy Cryptography and Network Security Book by William Stallings

When the word Cryptography comes in mind then one Author which strikes is¬†William Stallings. Because ¬†William Stallings is the best author in the field of security. His way of writing and technique of explaining the concept is superb. Moreover If you are new to security field and don’t know anything about this. Then this book is best suited for you because you will learn from bottom to top every concept related to security.

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