webauthn-client-prf-crypto/dev.webauthn.client.prf/PrfCrypto

PrfCrypto

object PrfCrypto

Low-level helpers for PRF extension request wiring and symmetric crypto operations.

Properties

DEFAULT_CONTEXT

const val DEFAULT_CONTEXT: String

Functions

suspend fun createSession(prfResults: AuthenticationExtensionsPRFValues, outputSelection: PrfOutputSelection = PrfOutputSelection.FIRST, context: String = DEFAULT_CONTEXT, hkdfSalt: Base64UrlBytes? = null): PrfCryptoSession

suspend fun decryptAesGcm(key: Base64UrlBytes, ciphertext: PrfCiphertext): Base64UrlBytes

deriveAes256Key

suspend fun deriveAes256Key(prfOutput: Base64UrlBytes, context: String = DEFAULT_CONTEXT, hkdfSalt: Base64UrlBytes? = null): Base64UrlBytes

suspend fun encryptAesGcm(key: Base64UrlBytes, plaintext: Base64UrlBytes, associatedData: Base64UrlBytes? = null): PrfCiphertext

prfResultsOrNull

fun prfResultsOrNull(response: RawAuthenticationResponse): AuthenticationExtensionsPRFValues?

requirePrfResults

fun requirePrfResults(response: RawAuthenticationResponse): AuthenticationExtensionsPRFValues

withPrfEvaluation

fun withPrfEvaluation(options: PublicKeyCredentialRequestOptions, evaluation: AuthenticationExtensionsPRFValues): PublicKeyCredentialRequestOptions

fun withPrfEvaluation(options: PublicKeyCredentialRequestOptions, firstSalt: Base64UrlBytes, secondSalt: Base64UrlBytes? = null): PublicKeyCredentialRequestOptions