Struct DesEncryptor 

pub struct DesEncryptor { /* private fields */ }

DES Encryptor for encrypting and decrypting data using DES-ECB mode.

This is compatible with the C++ zus::DesEncrypt and Java CryptUtil implementations.

Implementations

impl DesEncryptor

pub fn new(key: &[u8]) -> Self

Create a new DES encryptor with the given key.

Arguments

• key - 8-byte DES key

Panics

Panics if the key is not exactly 8 bytes.

pub fn try_new(key: &[u8]) -> Result<Self>

Create a new DES encryptor, returning an error if the key is invalid.

Arguments

• key - 8-byte DES key

Returns

• Ok(DesEncryptor) if the key is valid
• Err(ZusError) if the key is not 8 bytes

pub fn encrypt(&self, data: &[u8]) -> Result<Vec<u8>>

Encrypt data using DES-ECB mode with zero-padding.

The data is padded with zeros to the next 8-byte boundary if necessary.

Arguments

• data - Data to encrypt (any length)

Returns

• Encrypted data (length is multiple of 8)

pub fn decrypt(&self, data: &[u8]) -> Result<Vec<u8>>

Decrypt data using DES-ECB mode.

Note: The decrypted data may contain trailing zeros from padding. The caller should know the original data length to trim padding.

Arguments

• data - Encrypted data (length must be multiple of 8)

Returns

• Decrypted data (same length as input, may contain padding zeros)

pub fn encrypt_in_place(&self, data: &mut Vec<u8>, offset: usize) -> Result<()>

Encrypt data in-place starting from the given offset.

This matches the C++ DesEncrypt::Encrypt(std::string& data, offset) method.

Arguments

• data - Mutable data buffer (will be extended if necessary)
• offset - Starting offset for encryption

pub fn decrypt_in_place(&self, data: &mut [u8], offset: usize) -> Result<()>

Decrypt data in-place starting from the given offset.

This matches the C++ DesEncrypt::Decrypt(std::string& data, offset) method.

Arguments

• data - Mutable data buffer
• offset - Starting offset for decryption

Trait Implementations

impl Clone for DesEncryptor

fn clone(&self) -> DesEncryptor

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DesEncryptor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.