Struct ecdsa::der::Signature

pub struct Signature<C>where
    C: PrimeCurve,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,{ /* private fields */ }

ASN.1 DER-encoded signature.

Generic over the scalar size of the elliptic curve.

Implementations

impl<C> Signature<C>where
    C: PrimeCurve,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,

pub fn len(&self) -> usize

Get the length of the signature in bytes

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

Borrow this signature as a byte slice

Trait Implementations

impl<C> AsRef<[u8]> for Signature<C>where
    C: PrimeCurve,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,

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

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

impl<C> Debug for Signature<C>where
    C: PrimeCurve,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,

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

Formats the value using the given formatter.

impl<C> PrehashSignature for Signature<C>where
    C: PrimeCurve + DigestPrimitive,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,

type Digest = <C as DigestPrimitive>::Digest

Preferred Digest algorithm to use when computing this signature type.

impl<C> Signature for Signature<C>where
    C: PrimeCurve,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,

fn from_bytes(bytes: &[u8]) -> Result<Self>

Parse an ASN.1 DER-encoded ECDSA signature from a byte slice

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

Borrow a byte slice representing the serialized form of this signature

impl<C> TryFrom<&[u8]> for Signature<C>where
    C: PrimeCurve,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,

type Error = Error

The type returned in the event of a conversion error.

fn try_from(input: &[u8]) -> Result<Self>

Performs the conversion.

impl<C> TryFrom<Signature<C>> for Signature<C>where
    C: PrimeCurve,
    MaxSize<C>: ArrayLength<u8>,
    <FieldSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,

type Error = Error

The type returned in the event of a conversion error.

fn try_from(sig: Signature<C>) -> Result<Signature<C>>

Performs the conversion.