Sealedkey

File Structure
The first step is to check the HMAC of the file. The process is to use the HMAC key  from the Keys page to check the   at position 0x30 in the file.

If it is correct, it proceeds to use the  from the Keys to decrypt the   at  offset 0x20 using the   at offset 0x10.

Usage
sealedkey data can be created using sceSblPostSsMgrEncryptSealedkeyForDriver

sealedkey data can be decrypted using sceSblPostSsMgrDecryptSealedkeyForDriver

main application of sealedkey is to store randomly generated  which serves the same purpose as   in PFS encryption.

sealedkey is created for savedata, trophies etc