Imports gorm.io/gorm github.com/skip2/go-qrcode github.com/rs/zerolog/log github.com/go-webauthn/webauthn/protocol github.com/go-webauthn/webauthn/webauthn Standard library imports crypto/hmac crypto/rand crypto/sha1 crypto/sha256 crypto/subtle encoding/base32 encoding/base64 encoding/binary encoding/hex encoding/json errors fmt net/url strings time