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Sudipta Ghosh 9Sudipta Ghosh 9 

Data encryption during message transmission from Salesforce


What are the available mechanisms to encrypt data while transmiting from Salesforce in the network. Integrations are both using REST and SOAP.
I understand TLS is by default but I want to verify and understand what other options we have:
1. Apex crypto class  ---- use the same crypto in the receiving system for decoding
2. Base64 encoding --- same Base64 decoding in the receiving system
3. Classic Platform encryption ---  OOTB  Platform encryption with a key and use the same in the receiving system for decoding
4. Shield Platfrom encryption --- Does this encrypt the message through the network, if YES then how to decrypt in the receiving system 

Could you please provide your thoughts.