[−][src]Enum sequoia_openpgp::crypto::S2K
String-to-Key (S2K) specifiers.
String-to-key (S2K) specifiers are used to convert password strings into symmetric-key encryption/decryption keys. See Section 3.7 of RFC 4880.
Variants
Simply hashes the password.
Fields of Simple
hash: HashAlgorithm
Hash used for key derivation.
Hashes the password with a public salt
value.
Fields of Salted
hash: HashAlgorithm
Hash used for key derivation.
salt: [u8; 8]
Public salt value mixed into the password.
Repeatently hashes the password with a public salt
value.
Fields of Iterated
hash: HashAlgorithm
Hash used for key derivation.
salt: [u8; 8]
Public salt value mixed into the password.
hash_bytes: u32
Number of bytes to hash.
Private(u8)
Private S2K algorithm
Unknown(u8)
Unknown S2K algorithm
Implementations
impl S2K
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pub fn derive_key(
&self,
password: &Password,
key_size: usize
) -> Result<SessionKey>
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&self,
password: &Password,
key_size: usize
) -> Result<SessionKey>
Convert the string to a key using the S2K's parameters.
pub fn nearest_hash_count(hash_bytes: usize) -> u32
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This function returns an encodabled iteration count larger or
equal hash_bytes
.
Not all iteration counts are encodable as Iterated and Salted
S2K. The largest encodable hash count is 0x3e00000
.
pub fn decode_count(coded: u8) -> u32
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Decodes the OpenPGP encoding of the number of bytes to hash.
pub fn encode_count(hash_bytes: u32) -> Result<u8>
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Converts hash_bytes
into coded count representation.
Errors
Fails with Error::InvalidArgument
if hash_bytes
cannot be
encoded. See also S2K::nearest_hash_count()
.
Trait Implementations
impl Arbitrary for S2K
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fn arbitrary<G: Gen>(g: &mut G) -> Self
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fn shrink(&self) -> Box<dyn Iterator<Item = Self> + 'static>
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impl Clone for S2K
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impl Copy for S2K
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impl Debug for S2K
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impl Default for S2K
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impl Display for S2K
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impl Eq for S2K
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impl Hash for S2K
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fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl Marshal for S2K
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fn serialize(&self, w: &mut dyn Write) -> Result<()>
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fn export(&self, o: &mut dyn Write) -> Result<()>
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impl MarshalInto for S2K
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fn serialized_len(&self) -> usize
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fn serialize_into(&self, buf: &mut [u8]) -> Result<usize>
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fn to_vec(&self) -> Result<Vec<u8>>
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fn export_into(&self, buf: &mut [u8]) -> Result<usize>
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fn export_to_vec(&self) -> Result<Vec<u8>>
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impl<'a> Parse<'a, S2K> for S2K
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fn from_reader<R: 'a + Read>(reader: R) -> Result<Self>
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Reads an S2K from reader
.
fn from_file<P: AsRef<Path>>(path: P) -> Result<T>
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fn from_bytes<D: AsRef<[u8]> + ?Sized>(data: &'a D) -> Result<T>
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impl PartialEq<S2K> for S2K
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impl StructuralEq for S2K
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impl StructuralPartialEq for S2K
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Auto Trait Implementations
impl RefUnwindSafe for S2K
impl Send for S2K
impl Sync for S2K
impl Unpin for S2K
impl UnwindSafe for S2K
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> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
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>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,