[−][src]Struct crypto_api_chachapoly::ChaCha20Ietf
An implementation of ChaCha20 (IETF-version)
Implementations
impl ChaCha20Ietf
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pub fn cipher() -> Box<dyn Cipher>
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Creates a Cipher
instance with ChaCha20Ietf
as underlying cipher
pub fn xor(key: &[u8], nonce: &[u8], n: u32, data: &mut [u8])
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XORs the bytes in data
with the ChaCha20 keystream for key
and nonce
starting at the
n
th block
Warning:
This function panics if
key
is smaller or larger than 32 bytes/256 bitsnonce
is smaller or larger than 12 bytes/96 bitsn
exceeds2^32 - 1
(which means thatdata
must be smaller than(2^32 - n) * 64
)
Consider using the crypto_api
-interface instead of calling this function directly
Trait Implementations
impl Cipher for ChaCha20Ietf
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fn info(&self) -> CipherInfo
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fn encrypted_len_max(&self, plaintext_len: usize) -> usize
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fn encrypt(
&self,
buf: &mut [u8],
plaintext_len: usize,
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
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&self,
buf: &mut [u8],
plaintext_len: usize,
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
fn encrypt_to(
&self,
buf: &mut [u8],
plaintext: &[u8],
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
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&self,
buf: &mut [u8],
plaintext: &[u8],
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
fn decrypt(
&self,
buf: &mut [u8],
ciphertext_len: usize,
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
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&self,
buf: &mut [u8],
ciphertext_len: usize,
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
fn decrypt_to(
&self,
buf: &mut [u8],
ciphertext: &[u8],
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
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&self,
buf: &mut [u8],
ciphertext: &[u8],
key: &[u8],
nonce: &[u8]
) -> Result<usize, Box<dyn Error + 'static>>
impl SecKeyGen for ChaCha20Ietf
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Auto Trait Implementations
impl RefUnwindSafe for ChaCha20Ietf
impl Send for ChaCha20Ietf
impl Sync for ChaCha20Ietf
impl Unpin for ChaCha20Ietf
impl UnwindSafe for ChaCha20Ietf
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,