Struct SignatureHeader
pub struct SignatureHeader(/* private fields */);Expand description
The header byte used to encode the signature metadata.
Trait Implementations§
§impl Clone for SignatureHeader
impl Clone for SignatureHeader
§fn clone(&self) -> SignatureHeader
fn clone(&self) -> SignatureHeader
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read more§impl Debug for SignatureHeader
impl Debug for SignatureHeader
§impl Default for SignatureHeader
impl Default for SignatureHeader
§fn default() -> SignatureHeader
fn default() -> SignatureHeader
According to section 3.11.3 in the specification 1, the signature header has the format
0cc1nnnn where:
ccsignifies the encoding method.01denotes using the compression encoding method and10denotes encoding using the uncompressed method.nnnnencodesLOG_N.
For Poseidon2 Falcon 512 we use compression encoding and N = 512. Moreover, to differentiate
the Poseidon2 Falcon variant from the reference variant using SHAKE256, we flip the
first bit in the header. Thus, for Poseidon2 Falcon 512 the header is 10111001
§impl Deserializable for SignatureHeader
impl Deserializable for SignatureHeader
§fn read_from<R>(source: &mut R) -> Result<SignatureHeader, DeserializationError>where
R: ByteReader,
fn read_from<R>(source: &mut R) -> Result<SignatureHeader, DeserializationError>where
R: ByteReader,
Reads a sequence of bytes from the provided
source, attempts to deserialize these bytes
into Self, and returns the result. Read more§fn min_serialized_size() -> usize
fn min_serialized_size() -> usize
Returns the minimum serialized size for one instance of this type. Read more
§fn read_from_bytes(bytes: &[u8]) -> Result<Self, DeserializationError>
fn read_from_bytes(bytes: &[u8]) -> Result<Self, DeserializationError>
§fn read_from_bytes_with_budget(
bytes: &[u8],
budget: usize,
) -> Result<Self, DeserializationError>
fn read_from_bytes_with_budget( bytes: &[u8], budget: usize, ) -> Result<Self, DeserializationError>
Deserializes
Self from bytes with a byte budget limit. Read more§impl PartialEq for SignatureHeader
impl PartialEq for SignatureHeader
§impl Serializable for &SignatureHeader
impl Serializable for &SignatureHeader
§fn write_into<W>(&self, target: &mut W)where
W: ByteWriter,
fn write_into<W>(&self, target: &mut W)where
W: ByteWriter,
Serializes
self into bytes and writes these bytes into the target.§fn get_size_hint(&self) -> usize
fn get_size_hint(&self) -> usize
Returns an estimate of how many bytes are needed to represent self. Read more
impl Eq for SignatureHeader
impl StructuralPartialEq for SignatureHeader
Auto Trait Implementations§
impl Freeze for SignatureHeader
impl RefUnwindSafe for SignatureHeader
impl Send for SignatureHeader
impl Sync for SignatureHeader
impl Unpin for SignatureHeader
impl UnsafeUnpin for SignatureHeader
impl UnwindSafe for SignatureHeader
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