Cryptography

The science of securing information by coding so only those with authorization, or permission, can read the secured information. Access is gained through use of a decoding key, which is a form of password. When cryptography is used to code infomratin, the information is said to have been encrypted.

Encryption is used for a variety of purposes. It can be used in a computer or computer network to secure information in a website. It is used also to protect financial information, such as credit card information, during financial transactions.

See encryption and decrypting.

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