CryptoKit · IOS API REFERENCE

P256.KeyAgreement.PublicKey

struct · iOS 13.0+ · SDK 27.1

struct PublicKey

A P-256 public key used for key agreement.

Members (14)

get · iOS 14.0+

derRepresentation

TypeScript

get derRepresentation(): ArrayBuffer

Swift declaration

var derRepresentation: Data { get }

A Distinguished Encoding Rules (DER) encoded representation of the public key.

init · iOS 14.0+

init

TypeScript

static initDerRepresentation(derRepresentation: Array<number>): P256_KeyAgreement_PublicKey

Swift declaration

init<Bytes>(derRepresentation: Bytes) throws where Bytes : RandomAccessCollection, Bytes.Element == UInt8

Creates a P-256 public key for key agreement from a Distinguished Encoding Rules (DER) encoded representation. - Parameters: - derRepresentation: A DER-encoded representation of the key.

init · iOS 14.0+

init

TypeScript

static initPemRepresentation(pemRepresentation: string): P256_KeyAgreement_PublicKey

Swift declaration

init(pemRepresentation: String) throws

Creates a P-256 public key for key agreement from a Privacy-Enhanced Mail (PEM) representation. - Parameters: - pemRepresentation: A PEM representation of the key.

get · iOS 14.0+

pemRepresentation

TypeScript

get pemRepresentation(): string

Swift declaration

var pemRepresentation: String { get }

A Privacy-Enhanced Mail (PEM) representation of the public key.

get · iOS 13.0+

rawRepresentation

TypeScript

get rawRepresentation(): ArrayBuffer

Swift declaration

var rawRepresentation: Data { get }

A full representation of the public key.

init · iOS 13.0+

init

TypeScript

static initRawRepresentation(rawRepresentation: ArrayBuffer): P256_KeyAgreement_PublicKey

Swift declaration

init<D>(rawRepresentation: D) throws where D : ContiguousBytes

Creates a P-256 public key for key agreement from a collection of bytes. - Parameters: - rawRepresentation: A raw representation of the key as a collection of contiguous bytes.

method · iOS 17.0+

hpkeRepresentation

TypeScript

hpkeRepresentation(kem: HPKE_KEM): ArrayBuffer

Swift declaration

func hpkeRepresentation(kem: HPKE.KEM) throws -> Data

Creates a serialized representation of the public key. - Parameters: - kem: The Key Encapsulation Mechanism to use with the public key. - Returns: The serialized representation of the public key. - Throws: ``CryptoKit/HPKE/Errors/inconsistentCiphersuiteAndKey`` if the key encapsulation mechanism requested is incompatible with this public key.

get · iOS 13.0+

x963Representation

TypeScript

get x963Representation(): ArrayBuffer

Swift declaration

var x963Representation: Data { get }

An ANSI x9.63 representation of the public key.

init · iOS 13.0+

init

TypeScript

static initX963Representation(x963Representation: ArrayBuffer): P256_KeyAgreement_PublicKey

Swift declaration

init<Bytes>(x963Representation: Bytes) throws where Bytes : ContiguousBytes

Creates a P-256 public key for key agreement from an ANSI x9.63 representation. - Parameters: - x963Representation: An ANSI x9.63 representation of the key.

get · iOS 13.0+

compactRepresentation

TypeScript

get compactRepresentation(): (ArrayBuffer) | null

Swift declaration

var compactRepresentation: Data? { get }

A compact representation of the public key.

init · iOS 13.0+

init

TypeScript

static initCompactRepresentation(compactRepresentation: ArrayBuffer): P256_KeyAgreement_PublicKey

Swift declaration

init<Bytes>(compactRepresentation: Bytes) throws where Bytes : ContiguousBytes

Creates a P-256 public key for key agreement from a compact representation of the key. - Parameters: - compactRepresentation: A compact representation of the key as a collection of contiguous bytes.

get · iOS 16.0+

compressedRepresentation

TypeScript

get compressedRepresentation(): ArrayBuffer

Swift declaration

var compressedRepresentation: Data { get }

A compressed representation of the public key.

init · iOS 16.0+

init

TypeScript

static initCompressedRepresentation(compressedRepresentation: ArrayBuffer): P256_KeyAgreement_PublicKey

Swift declaration

init<Bytes>(compressedRepresentation: Bytes) throws where Bytes : ContiguousBytes

Creates a P-256 public key for key agreement from a compressed representation of the key. - Parameters: - compressedRepresentation: A compressed representation of the key as a collection of contiguous bytes.

init · iOS 17.0+

init

TypeScript

static initKem(serialization: ArrayBuffer, kem: HPKE_KEM): P256_KeyAgreement_PublicKey

Swift declaration

init<D>(_ serialization: D, kem: HPKE.KEM) throws where D : ContiguousBytes

Creates a NIST P-256 elliptic curve public key for use with Diffie-Hellman key exchange. - Parameters: - serialization: The serialized bytes of the public key. - kem: The key encapsulation mechanism to use with the public key. - Throws: ``CryptoKit/HPKE/Errors/inconsistentCiphersuiteAndKey`` if the key encapsulation mechanism requested is incompatible with this public key.

Skipped declarations

No declarations were skipped in this snapshot.

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