An algorithm used in public key cryptography, commonly used in various protocols for secure online transmission of data.
[From the initial letters of the surnames of its inventors, Ronald Rivest (born 1947), American cryptographer, Adi Shamir (born 1952), Israeli cryptographer, and Leonard Adleman (born 1945), American computer scientist.]
The implementation of the RSA encryption and tokenization-based platform for securing credit card information was carried out on Microsoft Windows 7 Operating System environment on Pentium IV with 2.0 GHZ Duo Core Processor and 2 GB of RAM.
Therefore, many approaches have been investigated for speeding-up the RSA encryption (or signature-verification) and RSA decryption (or signature-signing) [7-12].
RSA encryption process: encoding plaintext to be encrypted into an integer m (0 < m < n), the ciphertext C=[m.sup.e] (mod n) Decryption process: the plaintext m= [C.sup.d](mod n).RSA signature process: sig(m)= [m.sup.d](mod n).
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