esp-idf/examples/security/flash_encryption/partitions_example.csv

1	# Name, Type, SubType, Offset, Size, Flags
2	nvs, data, nvs, 0x9000, 0x6000,
3	# Extra partition to demonstrate reading/writing of encrypted flash
4	storage, data, 0xff, 0xf000, 0x1000, encrypted
5	factory, app, factory, 0x10000, 1M,