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Example code of phpgt/cipher

Informations about the package cipher

Two-way encryption of messages for secure plain text transmission.

When messages are passed between two systems via a public network, encryption tools must be used to secure the communication channel. The process of encrypting and decrypting a message is complex and prone to errors, but is simplified in this repository by providing the PlainTextMessage and EncryptedMessage class abstractions.

Pass your secret message to the PlainTextMessage constructor along with a private key, and you can call encrypt() to convert it into an EncryptedMessage. An EncryptedMessage is represented by a Cipher and IV value via the getCipherText() and getIv() functions. These two strings can be passed to the receiver by any communication mechanism, safe in the knowledge that the contents can not be read without the private key.

On the receiver, construct another EncryptedMessage with the incoming cipher and IV, and the original message can be read using decrypt()

The CipherText class also exposes a getUri() function, for creating a pre-encoded URI. A URI with cipher and iv querystring parameters can be passed to the EncryptedUri class to decrypt back into a PlainTextMessage.

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PHP.Gt/Cipher documentation

Example usage: transmit an encrypted message over a query string

sender.php:

receiver.php:

All versions of cipher with dependencies

PHP Build Version
Package Version
Requires php Version >=8.0
ext-sodium Version *
phpgt/http Version v1.*
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