crypt

package
v1.3.1 Latest Latest
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 Go to latest Published: Apr 24, 2024 License: BSD-3-Clause Imports: 15 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	// ErrUnsupportedCryptsetupVersion is the error raised when the available version
	// of cryptsetup is not compatible with the Apptainer encryption mechanism.
	ErrUnsupportedCryptsetupVersion = errors.New("installed version of cryptsetup is not supported, >=2.0.0 required")

	// ErrInvalidPassphrase raised when the passed key is not valid to open requested
	// encrypted device.
	ErrInvalidPassphrase = errors.New("no key available with this passphrase")
)

Pre-defined error(s)

Functions

This section is empty.

Types

type Device 

type Device struct{}

Device describes a crypt device

func (*Device) CloseCryptDevice 

func (crypt *Device) CloseCryptDevice(path string) error

CloseCryptDevice closes the crypt device

func (*Device) EncryptFilesystem 

func (crypt *Device) EncryptFilesystem(path string, key []byte, tempdir string) (string, error)

EncryptFilesystem takes the path to a file containing a non-encrypted filesystem, encrypts it using the provided key, and returns a path to a file that can be later used as an encrypted volume with cryptsetup. NOTE: it is the callers responsibility to remove the returned file that contains the crypt header.

func (*Device) Open 

func (crypt *Device) Open(key []byte, path string) (string, error)

Open opens the encrypted filesystem specified by path (usually a loop device, but any encrypted block device will do) using the given key and returns the name assigned to it that can be later used to close the device.

Source Files

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