Cryptography

Cryptography is the science of securing information by coding so they can be read only by those with authentication, or permission. This is in the form of a decoding key. When cryptography is used to code, for example, a message, this is referred to as encryption.

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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