Encrypt the message need help by translating the letters into numbers, applying the encryption function f (p) = (p + 3) mod 26, and then translating the numbers back into letters.
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This is an example of Caesar cipher!
You are learn more about that on khan academy's course on cryptography.
Here is how it works, you write a message. Then you shift every alphabet by 3 (called the key).
A = D
B = E
C = F
and so on
notice mod 26, that's for last three
X = A
Y = B
Z = C.
It works by assigning a number to every alphabet A = 1 and so on. That value is P, the argument of given function.
You are learn more about that on khan academy's course on cryptography.
Here is how it works, you write a message. Then you shift every alphabet by 3 (called the key).
A = D
B = E
C = F
and so on
notice mod 26, that's for last three
X = A
Y = B
Z = C.
It works by assigning a number to every alphabet A = 1 and so on. That value is P, the argument of given function.
Attachments:
b394184:
oh if your message was NEED, then encrypted message is QHHG
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