pub struct EncryptionManagerFactory;Expand description
从一把主密钥构建 EncryptionManager。
EncryptionManagerFactory::from_master_key 注册五个默认算法
(aes-256-gcm、aes-256-cbc-hmac、sodium-xchacha20 与国密的
sm4-cbc、zuc-128),行为与 1.x 完全一致;
EncryptionManagerFactory::from_master_key_all 再补上九个扩展算法(共
十四个);EncryptionManagerFactory::register_extensions 只把九个扩展
注册进已有注册表,便于自行组合。各方法的 default_identifier 必须已注册。
Implementations§
Source§impl EncryptionManagerFactory
impl EncryptionManagerFactory
Sourcepub fn from_master_key(
master_key: &[u8],
default_identifier: &str,
) -> Result<EncryptionManager>
pub fn from_master_key( master_key: &[u8], default_identifier: &str, ) -> Result<EncryptionManager>
五个默认算法(与 1.x 行为一致,存量密文照旧解开)。
Sourcepub fn from_master_key_all(
master_key: &[u8],
default_identifier: &str,
) -> Result<EncryptionManager>
pub fn from_master_key_all( master_key: &[u8], default_identifier: &str, ) -> Result<EncryptionManager>
全部十四个算法:五个默认算法 + 九个扩展算法。
与 Self::from_master_key 相比,五个默认算法的子密钥逐字节相同
(同一套冻结标签派生),扩展算法各用 HKDF 派生的独立子密钥。
use encryption::factory::EncryptionManagerFactory;
let manager =
EncryptionManagerFactory::from_master_key_all(&[7u8; 32], "aes-256-gcm")?;
assert_eq!(manager.registry().identifiers().len(), 14);
let blob = manager.encrypt_with("threefish-512-cbc-hmac", b"data")?;
assert_eq!(
manager.decrypt_with("threefish-512-cbc-hmac", &blob)?,
b"data"
);Sourcepub fn register_extensions(
registry: &mut Registry<Box<dyn SymmetricCipher>>,
master_key: &[u8],
) -> Result<()>
pub fn register_extensions( registry: &mut Registry<Box<dyn SymmetricCipher>>, master_key: &[u8], ) -> Result<()>
把九个扩展算法注册进已有注册表,供自行组合(例如在
Self::from_master_key 的五个默认算法之上按需扩展,或与自研算法共存)。
主密钥必须为 32 字节,否则 Error::InvalidMasterKey。
use encryption::factory::EncryptionManagerFactory;
let mut manager = EncryptionManagerFactory::from_master_key(&[7u8; 32], "aes-256-gcm")?;
EncryptionManagerFactory::register_extensions(manager.registry_mut(), &[7u8; 32])?;
assert_eq!(manager.registry().identifiers().len(), 14);Auto Trait Implementations§
impl Freeze for EncryptionManagerFactory
impl RefUnwindSafe for EncryptionManagerFactory
impl Send for EncryptionManagerFactory
impl Sync for EncryptionManagerFactory
impl Unpin for EncryptionManagerFactory
impl UnsafeUnpin for EncryptionManagerFactory
impl UnwindSafe for EncryptionManagerFactory
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