token

const (
	// PayloadSize defines how many bytes there are in payload
	PayloadSize = UnixTimestampSize + TokenAudienceSize

	// PayloadBase64Size is size of Payload in Base64 format(with padding)
	PayloadBase64Size = (PayloadSize + 2) / 3 * 4
)

const (
	// SignatureSize is size of token signature
	SignatureSize = sha256.Size

	// SignatureBase64Size is size of Signature in Base64 format(with padding)
	SignatureBase64Size = (SignatureSize + 2) / 3 * 4
)

const (
	// SignedSize is size of signed token
	SignedSize = SignatureSize + PayloadSize

	// SignedBase64Size is size of Signed token in Base64 format(with padding)
	SignedBase64Size = (SignedSize + 2) / 3 * 4
)

const (
	// AuthorizationCodeDuration defines expire duration for Authorization Code
	AuthorizationCodeDuration = time.Minute * 10
	// AccessTokenDuration defines expire duration for Access Token
	AccessTokenDuration = time.Hour

	// TokenAudienceSize is fixed size of Audience in Token
	TokenAudienceSize = 36

	// UnixTimestampSize says how many bytes there are required to store single unix timestamp
	UnixTimestampSize = 32 / 8
)