What Type of Encryption shall i pick?

When im going to start to encrypt the disk/disks what type of encryption shall i use to make the most secure?
Under Encryption Settings in CDE it is two choice:

Hash algorithm and in the drop down menu there are some choise i can choose like for example: SHA1, SHA256 and so on.
Then under “Hash algorithm” there are another choise called “Encryption algorithm” and a drop down menu with choise as Blowfish, AES and so on.

What shall i pick in this two settings to make it secure?
Im new to this disk encryption softwares :wink:

AES would be my choice…