Crypto.WebAuthn.AttestationStatementFormat.FidoU2F

This module implements the FIDO U2F Attestation Statement Format.

Documentation

format :: SomeAttestationStatementFormat

Helper function that wraps the Fido U2F format into the general SomeAttestationStatementFormat type.

data Format

The Fido U2F format. The sole purpose of this type is to instantiate the AttestationStatementFormat typeclass below.

Constructors

Format

Instances

Show Format

Defined in Crypto.WebAuthn.AttestationStatementFormat.FidoU2F

Methods

showsPrec :: Int -> Format -> ShowS

show :: Format -> String

showList :: [Format] -> ShowS

AttestationStatementFormat Format

Defined in Crypto.WebAuthn.AttestationStatementFormat.FidoU2F

Associated Types

type AttStmt Format

type AttStmtVerificationError Format

Methods

asfIdentifier :: Format -> Text

asfVerify :: Format -> DateTime -> AttStmt Format -> AuthenticatorData 'Registration 'True -> ClientDataHash -> Validation (NonEmpty (AttStmtVerificationError Format)) SomeAttestationType

asfTrustAnchors :: Format -> VerifiableAttestationType -> CertificateStore

asfDecode :: Format -> HashMap Text Term -> Either Text (AttStmt Format)

asfEncode :: Format -> AttStmt Format -> Term

type AttStmt Format

Defined in Crypto.WebAuthn.AttestationStatementFormat.FidoU2F

type AttStmt Format

type AttStmtVerificationError Format

Defined in Crypto.WebAuthn.AttestationStatementFormat.FidoU2F

type AttStmtVerificationError Format = VerificationError

data VerificationError

Verification errors specific to Fido U2F attestation

Constructors

CertificatePublicKeyInvalid PubKey

The public key in the certificate was not an EC Key or the curve was not the p256 curve

CredentialPublicKeyNotCoseEC2 CosePublicKey

The COSE encoding of the credential public key does not have key type EC2

CoordinateSizeInvalid

The x and/or y coordinates of the credential public key are longer than 32 bytes

Fields

• xLength :: Int

  Actual length in bytes of the x coordinate

• yLength :: Int

  Actual length in bytes of the y coordinate

SignatureInvalid SignatureFailure

The provided public key cannot validate the signature over the verification data

Instances

Exception VerificationError

Defined in Crypto.WebAuthn.AttestationStatementFormat.FidoU2F

Methods

toException :: VerificationError -> SomeException

fromException :: SomeException -> Maybe VerificationError

displayException :: VerificationError -> String

Show VerificationError

Defined in Crypto.WebAuthn.AttestationStatementFormat.FidoU2F

Methods

showsPrec :: Int -> VerificationError -> ShowS

show :: VerificationError -> String

showList :: [VerificationError] -> ShowS