fido

Sep 3, 2026

Changes in this version

+ const CmdClientPIN

type GetAssertionRequest

+ Token Token

type Key

+ func (k *Key) KeyAgreement(ctx context.Context, proto PINProtocol) (*ecdh.PublicKey, error)

+ func (k *Key) PINRetries(ctx context.Context) (Retries, error)

+ func (k *Key) PINToken(ctx context.Context, pin string, proto PINProtocol, perms Permissions, ...) (Token, error)

type MakeCredentialRequest

+ Token Token

+ type PINProtocol int

+ const PINProtocolOne

+ const PINProtocolTwo

+ func (p PINProtocol) String() string

+ type Permissions uint

+ const PermGetAssertion

+ const PermMakeCredential

+ type Retries struct

+ PIN int

+ PowerCycle bool

+ type Token struct

+ func (t Token) Protocol() PINProtocol

+ func (t Token) Valid() bool

Sep 3, 2026

Changes in this version

type AuthData

+ COSEKey cbor.RawMessage

Sep 3, 2026

Changes in this version

+ const AlgES256

+ const CmdGetAssertion

+ const CmdMakeCredential

+ type Assertion struct

+ AuthData []byte

+ Available uint

+ Credential Credential

+ Parsed AuthData

+ Signature []byte

+ UserID []byte

+ type Attestation struct

+ AuthData []byte

+ Format string

+ Parsed AuthData

+ Statement cbor.RawMessage

+ type AuthData struct

+ AAGUID [16]byte

+ CredentialID []byte

+ Extensions cbor.RawMessage

+ Flags Flags

+ PublicKey cbor.RawMessage

+ RPIDHash [32]byte

+ SignCount uint32

+ func ParseAuthData(b []byte) (AuthData, error)

+ func (a AuthData) String() string

+ type Credential struct

+ ID []byte

+ Transports []string

+ Type string

+ type Flags byte

+ const FlagAT

+ const FlagBE

+ const FlagBS

+ const FlagED

+ const FlagUP

+ const FlagUV

+ func (f Flags) Has(want Flags) bool

+ func (f Flags) String() string

+ type GetAssertionRequest struct

+ Allow []Credential

+ ClientDataHash []byte

+ Options map[string]bool

+ RPID string

type Key

+ func (k *Key) GetAssertion(ctx context.Context, r GetAssertionRequest) (*Assertion, error)

+ func (k *Key) MakeCredential(ctx context.Context, r MakeCredentialRequest) (*Attestation, error)

+ type MakeCredentialRequest struct

+ Algorithms []int64

+ ClientDataHash []byte

+ Exclude []Credential

+ Options map[string]bool

+ RP RelyingParty

+ User User

+ type RelyingParty struct

+ ID string

+ Name string

+ type User struct

+ DisplayName string

+ ID []byte

+ Name string

Sep 3, 2026

Changes in this version

+ const CmdGetInfo

+ type Info struct

+ AAGUID [16]byte

+ Extensions []string

+ MaxMsgSize uint

+ Options map[string]bool

+ PINProtocols []uint

+ Transports []string

+ Versions []string

+ func (i Info) Has(option string) bool

+ func (i Info) String() string

type Key

+ func (k *Key) CBOR(ctx context.Context, cmd byte, params []byte) ([]byte, error)

+ func (k *Key) GetInfo(ctx context.Context) (Info, error)

+ type Status byte

+ const StatusOK

+ func (s Status) Error() bool

+ func (s Status) String() string

Sep 2, 2026

Changes in this version

+ const BroadcastChannel

+ const CmdCBOR

+ const CmdCancel

+ const CmdError

+ const CmdInit

+ const CmdKeepalive

+ const CmdLock

+ const CmdMsg

+ const CmdPing

+ const CmdWink

+ const MaxContinuations

+ const MaxMessage

+ const ReportSize

+ var ErrNoKey = errors.New("fido: no security key is attached")

+ var ErrOutOfOrder = errors.New("fido: a continuation packet arrived out of order")

+ var ErrShortPacket = errors.New("fido: a report was shorter than a CTAPHID packet")

+ var ErrTooLong = errors.New("fido: the message is longer than CTAPHID can carry")

+ var ErrTruncated = errors.New("fido: the key sent less than it said it would")

+ var ErrWrongChannel = errors.New("fido: the report belongs to another channel")

+ func Split(channel uint32, cmd byte, data []byte) ([][]byte, error)

+ type Capabilities byte

+ const CapCBOR

+ const CapNoMsg

+ const CapWink

+ func (c Capabilities) Has(want Capabilities) bool

+ func (c Capabilities) String() string

+ type InitReply struct

+ Caps Capabilities

+ Channel uint32

+ Nonce [8]byte

+ Version Version

+ func ParseInit(data []byte) (InitReply, error)

+ type Key struct

+ func Open(ctx context.Context, t Transport) (*Key, error)

+ func (k *Key) Capabilities() Capabilities

+ func (k *Key) Channel() uint32

+ func (k *Key) Close() error

+ func (k *Key) Name() string

+ func (k *Key) Ping(ctx context.Context, data []byte) ([]byte, error)

+ func (k *Key) String() string

+ func (k *Key) Version() Version

+ func (k *Key) Wink(ctx context.Context) error

+ type Message struct

+ Channel uint32

+ Cmd byte

+ Data []byte

+ func (m Message) IsError() bool

+ func (m Message) String() string

+ type Reassembler struct

+ func NewReassembler(channel uint32) *Reassembler

+ func (r *Reassembler) Feed(report []byte) (msg Message, done bool, err error)

+ type Transport interface

+ Close func() error

+ Name func() string

+ Receive func(ctx context.Context) ([]byte, error)

+ Send func(report []byte) error

+ type Version struct

+ Build byte

+ CTAPHID byte

+ Major byte

+ Minor byte

+ func (v Version) String() string