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# Encrypt directory with --skip-unlock
# => Check dir status
"MNT/dir" is encrypted with fscrypt.
Policy: desc1
Options: padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2
Unlocked: No
Protected with 1 protector:
PROTECTOR LINKED DESCRIPTION
desc2 No custom protector "prot"
touch: cannot touch 'MNT/dir/file': Required key not available
# => Get policy status via mount:
desc1 No desc2
# Unlock directory
Enter custom passphrase for protector "prot": "MNT/dir" is now unlocked and ready for use.
# => Check dir status
"MNT/dir" is encrypted with fscrypt.
Policy: desc1
Options: padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2
Unlocked: Yes
Protected with 1 protector:
PROTECTOR LINKED DESCRIPTION
desc2 No custom protector "prot"
# => Get policy status via mount:
desc1 Yes desc2
# Lock by cycling mount
# => Check dir status
"MNT/dir" is encrypted with fscrypt.
Policy: desc1
Options: padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2
Unlocked: No
Protected with 1 protector:
PROTECTOR LINKED DESCRIPTION
desc2 No custom protector "prot"
mkdir: cannot create directory 'MNT/dir/subdir': Required key not available
# => Get policy status via mount:
desc1 No desc2
# Try to unlock with wrong passphrase
[ERROR] fscrypt unlock: incorrect key provided
"MNT/dir" is encrypted with fscrypt.
Policy: desc1
Options: padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2
Unlocked: No
Protected with 1 protector:
PROTECTOR LINKED DESCRIPTION
desc2 No custom protector "prot"
# Unlock directory
Enter custom passphrase for protector "prot": "MNT/dir" is now unlocked and ready for use.
# => Check dir status
"MNT/dir" is encrypted with fscrypt.
Policy: desc1
Options: padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2
Unlocked: Yes
Protected with 1 protector:
PROTECTOR LINKED DESCRIPTION
desc2 No custom protector "prot"
contents
# => Get policy status via mount:
desc1 Yes desc2
# Try to unlock with corrupt policy metadata
[ERROR] fscrypt unlock: fscrypt metadata file at
"MNT/.fscrypt/policies/desc1"
is corrupt: proto: cannot parse invalid wire-format data
# Try to unlock with missing policy metadata
[ERROR] fscrypt unlock: filesystem "MNT" does not contain
the policy metadata for "MNT/dir".
This directory has either been encrypted with another
tool (such as e4crypt), or the file
"MNT/.fscrypt/policies/desc20"
has been deleted.
# Try to unlock with missing protector metadata
[ERROR] fscrypt unlock: could not load any protectors
You may need to mount a linked filesystem. Run with --verbose for more
information.
# Try to unlock with wrong policy metadata
[ERROR] fscrypt unlock: inconsistent metadata between encrypted directory
"MNT/dir1" and its corresponding
metadata file
"MNT/.fscrypt/policies/desc21".
Directory has
descriptor:desc21 padding:32
contents:AES_256_XTS filenames:AES_256_CTS
policy_version:2
Metadata file has
descriptor:desc23 padding:32
contents:AES_256_XTS filenames:AES_256_CTS
policy_version:2
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