AES is capable to use 128-bit, 192-bit, and 256-bit keys. AES will eventually displace DESX and 3DES. This algorithm was developed by Joan Daemen and Vincent Rijmen of Belgium. The algorithm is based on the use of a random permutation and is commonly used for the encryption of traffic to and from secure Web sites using the SSL protocol.Īdvanced Encryption Standard (AES): Advanced Encryption Standard (AES) is a newer and stronger encryption standard, which uses the Rijndael (pronounced Rhine-doll) algorithm. RC4: A variable key-size stream cipher with byte-oriented operations. It is difficult to break if the attacker does not know the original sizes when attempting to decrypt captured data. They are block encryption algorithms with variable block and key sizes. RC2 and RC5: Ronald Rivest (RSA Labs), developed these algorithms. The plaintext is encrypted with key A, decrypted with key B, and encrypted again with key C. In 3DES, DES encryption is applied three times to the plaintext. Triple DES (3DES): Triple DES was developed from DES, uses a 64-bit key consisting of 56 effective key bits and 8 parity bits. In DESX, the input plaintext is bitwise XORed with 64 bits of additional key material before encryption with DES and the output is also bitwise XORed with another 64 bits of key material. DES is a block encryption algorithm.ĭata Encryption Standard XORed (DESX): DESX is a stronger variation of the DES encryption algorithm. Data Encryption Standard (DES) was developed by IBM and the U.S. DES is not a secure encryption algorithm and it was cracked many times. Data Encryption Standard (DES): An encryption algorithm that encrypts data with a 56-bit, randomly generated symmetric key.
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