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3DES (Triple Data Encryption Standard) is based on which of the following?
Symmetric key-based algorithm
Hashing algorithm
None of these
Asymmetric key-based algorithm
There are three types of cryptographic algorithms that are commonly used. They are:
I. Hashing algorithms: Hashing is not an encryption scheme, but ensures that the transmitted data is not tampered with. (e.g. MD4, MD5, SHA-1) II. Symmetric algorithms: As the name suggests, symmetric key algorithms use the same key to encrypt as well as decrypt message. (e.g. DES, 3DES, AES, IDEA, Blowfish, RC5, RC6) III. Asymmetric algorithms: Also known as public key algorithms, these algorithms use asymmetric keys for encoding and decoding a message. (e.g. RSA, ECC, Deffie-hellman Key Exchange)
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