Trait crypto_common::KeyInit

pub trait KeyInit: KeySizeUser + Sized {
    fn new(key: &Key<Self>) -> Self;

    fn new_from_slice(key: &[u8]) -> Result<Self, InvalidLength> { ... }
    fn generate_key(rng: impl CryptoRng + RngCore) -> Key<Self> { ... }
}

Types which can be initialized from key.

Required Methods

fn new(key: &Key<Self>) -> Self

Create new value from fixed size key.

Provided Methods

fn new_from_slice(key: &[u8]) -> Result<Self, InvalidLength>

Create new value from variable size key.

Examples found in repository

src/lib.rs (line 278)

    fn new_from_slices(key: &[u8], iv: &[u8]) -> Result<Self, InvalidLength> {
        T::Inner::new_from_slice(key).and_then(|i| T::inner_iv_slice_init(i, iv))
    }
}

impl<T> KeyInit for T
where
    T: InnerInit,
    T::Inner: KeyInit,
{
    #[inline]
    fn new(key: &Key<Self>) -> Self {
        Self::inner_init(T::Inner::new(key))
    }

    #[inline]
    fn new_from_slice(key: &[u8]) -> Result<Self, InvalidLength> {
        T::Inner::new_from_slice(key)
            .map_err(|_| InvalidLength)
            .map(Self::inner_init)
    }

fn generate_key(rng: impl CryptoRng + RngCore) -> Key<Self>

Available on crate feature rand_core only.

Generate random key using the provided CryptoRng.

Implementors

impl<T> KeyInit for Twhere
    T: InnerInit,
    T::Inner: KeyInit,