Function write_header 

pub fn write_header<W: Write>(
    writer: &mut W,
    version: u8,
) -> Result<(), AescryptError>

Writes the 5-byte AES Crypt v3 file header b"AES" || version || 0x00.

Format

'A' 'E' 'S'  version  0x00
 0   1   2     3       4

Errors

• AescryptError::UnsupportedVersion — version < 3. This crate only writes v3.
• AescryptError::Io — writer returned an error.