Type Alias DerSignature

pub type DerSignature = Signature<NistP256>;

ECDSA/P-256 signature (ASN.1 DER encoded)

Aliased Type

struct DerSignature { /* private fields */ }

Implementations

impl<C> Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

pub fn from_bytes(input: &[u8]) -> Result<Signature<C>, Error>

Parse signature from DER-encoded bytes.

pub fn as_bytes(&self) -> &[u8]

Borrow this signature as a byte slice

pub fn len(&self) -> usize

Get the length of the signature in bytes

Trait Implementations

impl<C> AsRef<[u8]> for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.

impl<C> Clone for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

fn clone(&self) -> Signature<C>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<C> Debug for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'a, C> Decode<'a> for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

fn decode<R>(reader: &mut R) -> Result<Signature<C>, Error>

where R: Reader<'a>,

Attempt to decode this message using the provided decoder.

fn from_der(bytes: &'a [u8]) -> Result<Self, Error>

Parse Self from the provided DER-encoded byte slice.

impl<C> Encode for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

fn encoded_len(&self) -> Result<Length, Error>

Compute the length of this value in bytes when encoded as ASN.1 DER.

fn encode(&self, writer: &mut impl Writer) -> Result<(), Error>

Encode this value as ASN.1 DER using the provided Writer.

fn encode_to_slice<'a>(&self, buf: &'a mut [u8]) -> Result<&'a [u8], Error>

Encode this value to the provided byte slice, returning a sub-slice containing the encoded message.

impl<C> FixedTag for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

const TAG: Tag = Tag::Sequence

ASN.1 tag

impl<C> From<Signature<C>> for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

fn from(sig: Signature<C>) -> Signature<C>

Converts to this type from the input type.

impl<C> PrehashSignature for Signature<C>

where C: PrimeCurve + DigestPrimitive, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

type Digest = <C as DigestPrimitive>::Digest

Preferred Digest algorithm to use when computing this signature type.

impl<C> TryFrom<&[u8]> for Signature<C>

where C: PrimeCurve, <<<C as Curve>::FieldBytesSize as Add>::Output as Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>>>::Output: ArrayLength<u8>, <<C as Curve>::FieldBytesSize as Add>::Output: Add<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>> + ArrayLength<u8>,

type Error = Error

The type returned in the event of a conversion error.

fn try_from(input: &[u8]) -> Result<Signature<C>, Error>

Performs the conversion.