Verifies an elliptic curve digital signature algorithm (ECDSA) signature on a digest over the P-256 elliptic curve.
func isValidSignature<D>(_ signature: P256.Signing.ECDSASignature, for digest: D) -> Bool where D : Digest s6Crypto4P256O7SigningO9PublicKeyV16isValidSignature_3forSbAE14ECDSASignatureV_xtAA6DigestRzlF What are these?5714MA Boolean value that’s true if the signature is valid for the given digest; otherwise, false.
import CryptoA cryptography library for Swift.
struct PublicKeyA P-256 public key used to verify cryptographic signatures.
enum P256An elliptic curve that enables NIST P-256 signatures and key agreement.
enum SigningA mechanism used to create or verify a cryptographic signature using the NIST P-256 elliptic curve digital signature algorithm (ECDSA).
struct ECDSASignatureA P-256 elliptic curve digital signature algorithm (ECDSA) signature.
@frozen struct BoolA value type whose instances are either true or false.
protocol Digest : ContiguousBytes, CustomStringConvertible, Hashable, Sequence where Self.Element == UInt8A type that represents the output of a hash.
init<Bytes>(compactRepresentation: Bytes) throws where Bytes : ContiguousBytes Creates a P-256 public key for signing from a compact representation of the key.
init<Bytes>(compressedRepresentation: Bytes) throws where Bytes : ContiguousBytes Creates a P-256 public key for signing from a compressed representation of the key.
init<Bytes>(derRepresentation: Bytes) throws where Bytes : RandomAccessCollection, Bytes.Element == UInt8 Creates a P-256 public key for signing from a Distinguished Encoding Rules (DER) encoded representation.
init(pemRepresentation: String) throws Creates a P-256 public key for signing from a Privacy-Enhanced Mail (PEM) representation.
init<D>(rawRepresentation: D) throws where D : ContiguousBytes Creates a P-256 public key for signing from a collection of bytes.
init<Bytes>(x963Representation: Bytes) throws where Bytes : ContiguousBytes Creates a P-256 public key for signing from an ANSI x9.63 representation.
var compactRepresentation: Data? { get }A compact representation of the public key.
var compressedRepresentation: Data { get }A compressed representation of the public key.
var derRepresentation: Data { get }A Distinguished Encoding Rules (DER) encoded representation of the public key.
var pemRepresentation: String { get }A Privacy-Enhanced Mail (PEM) representation of the public key.
var rawRepresentation: Data { get }A full representation of the public key.
var x963Representation: Data { get }An ANSI x9.63 representation of the public key.
func isValidSignature<D>(_ signature: P256.Signing.ECDSASignature, for data: D) -> Bool where D : DataProtocol Verifies an elliptic curve digital signature algorithm (ECDSA) signature on a block of data over the P-256 elliptic curve.