# Encryption and decryption functions
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Encryption and decryption functions help SQL developers protect sensitive data from unauthorized access or misuse by converting it between a readable, plaintext form and an unreadable, ciphertext form.

AWS Clean Rooms Spark SQL supports the following encryption and decryption functions:

**Topics**
+ [AES\_ENCRYPT function](AES_ENCRYPT.md)
+ [AES\_DECRYPT function](AES_DECRYPT.md)