This example uses Gmail, and it should be noted that Google’s security and authentication might unexpectedly change. There’s a plethora of examples regarding sending emails using Python. Msg = input("\nEnter the message to decrypt:\n>")įinally, lines nineteen and twenty utilize an else statement to prevent incorrect inputs. If the user chooses to decrypt, which will come into play when receiving encrypted emails, lines twelve through seventeen does the complete opposite by adding four. Msg = input("\nEnter the message to encrypt:\n>") If you encrypt “Derek”, the output will display To make the concept easier to understand, if the code is changed to - 1 and inputting “B”, the output will be “A”. For example, if the character is “A”, you’ll get “=” as the result.
Meanwhile, ASCII is utilized to formulate a numerical representation. range() reads a string, chr() converts an integer into a character, ord() converts a character into an integer, and - 4 subtracts four. Starting at line eight, the code becomes a bit trickier. Lines five through ten use an if statement to determine the user’s choice. This particular choice is asking the user to enter either a numerical 1 or 2.Ĭhoice = input("\nEnter 1 to Encrypt or 2 to Decrypt:\n>") For line three, create a choice variable and assign it an input. Starting at line one, declare variable result and assign it an empty string. Lastly, it should be known that this technique is relatively secure, but, like most encryption, if someone really wants to decode, they can. Second, I didn’t want to install external modules.
Three things to note: for the first portion I used Trinket, as I did with a previous post about Creating a Text-Based Adventure and Quiz Game in Python, to allow easier coding and follow-along. Before going straight into sending encrypted emails, I created a mechanism to encrypt and decrypt content first. Knowing Python is a multifaceted language, I wanted to see what could be done regarding encryption. Seeing how online privacy is relatively absent, I started contemplating a project to encrypt messages. Posted in Web Development on May 2018 Facebook Twitter PinterestĪs internet data mining and security concerns continue to burgeon, privacy often feels relinquished.
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