How is data encrypted and decrypted?

How is data encrypted and decrypted?

Encryption is the process of translating plain text data (plaintext) into something that appears to be random and meaningless (ciphertext). Decryption is the process of converting ciphertext back to plaintext. To decrypt a particular piece of ciphertext, the key that was used to encrypt the data must be used.

How does PHP encrypt data?

In PHP, Encryption and Decryption of a string is possible using one of the Cryptography Extensions called OpenSSL function for encrypt and decrypt. openssl_encrypt() Function: The openssl_encrypt() function is used to encrypt the data. Parameters: $data: It holds the string or data which need to be encrypted.

Is there a PHP script that encrypts data?

PHP can assist you in this with several extensions, such as OpenSSL and Sodium, covering a wide variety of encryption algorithms. The script encrypts the data before inserting it into the database, and decrypts it when retrieving.

Which is PHP programming language uses secret key encryption?

The Secret Key Encryption of the PHP usually uses one single key to both encryption and decryption data. It is also known as symmetric encryption. For this, if you are running an old version of the PHP Programming Language then install sodium of PHP Programming Language via PECL.

How to encrypt data in PHP using KEK?

The process looks like so: 1 Generate a unique encryption key (DEK) 2 Encrypt the data using secret key encryption 3 Send the unique encryption key (DEK) to Cloud KMS for encryption, which returns the KEK 4 Store the encrypted data and encrypted key (KEK) side-by-side 5 Destroy the generated key (DEK)

How to encrypt data in PHP using base64?

If this is not an option, you can also convert the binary data into a textual representation using base64_encode () or bin2hex (), doing so requires between 33% to 100% more storage space.