README
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encio - machine dependent encryption
Package encio provides input/output functions that write encrypted using AES-256-CFB data.
The encryption key is the machine identifier, unique to the operating system.
This makes file non-transferrable between devices.
Encrypted container structure is the following:
|__...__|____________...
0 ^ 16 ^
| +-- encrypted data
+----------- 16 bytes IV
Documentation
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Overview ¶
Package encio provides input/output functions that write encrypted using AES-256-CFB data.
The encryption key is the machine identifier, unique to the operating system.
This makes file non-transferrable between devices.
Encrypted container structure is the following:
|__...__|____________...
0 ^ 16 ^
| +-- encrypted data
+----------- 16 bytes IV
Index ¶
- Variables
- func Create(filename string, opts ...Option) (io.WriteCloser, error)
- func NewReader(r io.Reader, opts ...Option) (io.Reader, error)
- func NewWriter(w io.Writer, opts ...Option) (io.WriteCloser, error)
- func Open(filename string, opts ...Option) (io.ReadCloser, error)
- func SetAppID(s string) error
- type Option
Constants ¶
This section is empty.
Variables ¶
var ErrDecrypt = errors.New("decryption error")
var ErrEmptyID = errors.New("empty id")
Functions ¶
func Create ¶
func Create(filename string, opts ...Option) (io.WriteCloser, error)
Create creates an encrypted file container.
func NewReader ¶
NewReader wraps the ciphertext reader, and returns the reader that a plaintext can be read from.
func NewWriter ¶
NewWriter wraps the writer and returns the WriteCloser. Any information written to the writer is encrypted with the hashed machineID. WriteCloser must be closed to flush any buffered data.
Source Files