three days in the past. The sort of cryptography technique involves two key crypto system wherein a safe communication can happen between receiver and sender over insecure communication channel. Since a pair of keys is applied here so this technique is also referred to as uneven encryption.
Cryptography can be traced back to the ancients, with the first documented use relationship to 1900 BC in historic Egypt with substituted hieroglyphics. technology information A extra fashionable method with a substitution cipher may be found with Julius Caesar in 100 BC, the place every letter was substituted with another letter to scramble the message, in what became referred to as a ‘three cipher’ that moved every letter three ahead in the alphabet to keep it safe.