# What do you understand by RSA algorithm? Explain various steps of RSA algorithm with suitable example?

**RSA algorithm was developed by**

__RSA Algorithm__:-**(Rivert, Shameer and adlmen).**This is an important encryption algorithm. The encryption-decryption process is not reversible, that is decryption process is not simply reverse set of actions that of encryption.

Following
are the steps of the RSA algorithm:-

1.
Select
two prime numbers p & q (relatively large).

3.
Select
a number d that must relatively prime to z.

4.
Find
out one e such that (e

**X**d) % z = 1
5.
Now

**d**will work as decryption key and**e**as encryption key.
6.
To
encrypt Plain Text character P into encrypted character C, use formula

C = P

^{e}%n
7.
To
decrypt encrypted text character C into plain text character P, use formula

P = C

^{d}%n
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