# how xor works?

how xor works?

X | Y | X^Y |
---|---|---|

0 | 0 | 0 |

0 | 1 | 1 |

1 | 0 | 1 |

1 | 1 | 0 |

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How does XOR encryption work?

XOR cipher employs the XOR logical operation in order to encrypt data. First, a random key is generated. Then, XOR operation is performed using the key so that an encrypted data is created. In order to decrypt, the same key should be used and XOR operation should be run again.

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How is XOR calculated?

To find XOR of more than two numbers, represent all numbers in binary representation, add 0's before if necessary. ... To find each bit of XOR just calculate number of 1's in the corresponding bits. If it is even or zero then that XOR 'ed bit is 0. If it is odd then that XOR 'ed bit is 1. Aug 21, 2014

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What is the XOR operator?

The XOR logical operation, or exclusive or, takes two boolean operands and returns true if and only if the operands are different. Thus, it returns false if the two operands have the same value. So, the XOR operator can be used, for example, when we have to check for two conditions that can't be true at the same time. Aug 13, 2020

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Why is XOR used?

(eXclusive OR) A Boolean logic operation that is widely used in cryptography as well as in generating parity bits for error checking and fault tolerance. XOR compares two input bits and generates one output bit.

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