The presentaion has the steps to perform encryption using mulesoft.

1. Mulesoft Encryption
By Jagruti Sakhare

2. Install Encryption plugin
 Install Anypoint Enterprise security as given in link -
https://docs.mulesoft.com/mule-user-guide/v/3.6/installing-anypoint-
enterprise-security
 Detailed description regarding the Encryption is present at the mule
documentation page - https://docs.mulesoft.com/mule-user-
guide/v/3.7/pgp-encrypter
 Field level XML encryption can be done using XML encryption, for field level
JSON encryption both JCE and PGP can be used.
 For String or text files encryption PGP encryption should be used. It’s stricter
than JCE and XML.

3. PGP Encryption
 While Using PGP encryption please provide public key and private key files with
‘.gpg’ extension.
 Also provide the secret alias ID, secret passphrase and principal
 Salesforce demo with PGP encryption is present here -
http://blogs.mulesoft.com/biz/anypoint-studio/pgp-encryption-and-salesforce-
integration-using-mulesoft%E2%80%99s-anypoint-platform/

4. XML/JCE encryption with key
 You can provide the simple Base64 Encoded key in the XML/JCE encryption

5. XML/JCE encryption with key Store
 While using key store for encryption/decryption keys provide the details as Key
store path, Key store Password, Key Password, Algorithm and Key.
 Please make sure the key created is in AES 128 bit algorithm or match wat is
supported in mulesoft.
 In key field provide the key store alias. Screenshot is given below.

6. Thanks !!!!