52 lines
2.3 KiB
Go
52 lines
2.3 KiB
Go
package varsig
|
|
|
|
import "errors"
|
|
|
|
// ErrMissingSignature is returned when a varsig v0 is parsed and does
|
|
// not contain the expected signature bytes. This is expected in some
|
|
// intermediate cases, such as the UCAN v1 specification.
|
|
var ErrMissingSignature = errors.New("missing signature expected in varsig v0")
|
|
|
|
// ErrNotYetImplemented is returned when a function is currently under
|
|
// construction. For released versions of this library, this error should
|
|
// never occur.
|
|
var ErrNotYetImplemented = errors.New("not yet implemented")
|
|
|
|
// ErrUnexpectedSignaturePresent is returned when a signature is present
|
|
// in a varsig >= v1.
|
|
var ErrUnexpectedSignaturePresent = errors.New("unexpected signature present in varsig >= v1")
|
|
|
|
// ErrUnexpectedSignatureSize is returned when the length of the decoded
|
|
// signature doesn't match the expected signature length as defined by the
|
|
// signing algorithm or sent via a Varsig field.
|
|
var ErrUnexpectedSignatureSize = errors.New("unexpected signature size in varsig v0")
|
|
|
|
// ErrUnknownHash is returned when an unexpected value is provided
|
|
// while decoding the hashing algorithm.
|
|
var ErrUnknownHash = errors.New("unknown hash algorithm")
|
|
|
|
// ErrUnsupportedPayloadEncoding is returned when an unexpected value is
|
|
// provided while decoding the payload encoding field. The allowed values
|
|
// for this field may vary based on the varsig version.
|
|
var ErrUnsupportedPayloadEncoding = errors.New("unsupported payload encoding")
|
|
|
|
// ErrUnknownDiscriminator is returned when the Registry doesn't have a
|
|
// parsing function for the decoded signing algorithm.
|
|
var ErrUnknownDiscriminator = errors.New("unknown signing algorithm")
|
|
|
|
// ErrUnknownEdDSACurve is returned when the decoded uvarint isn't either
|
|
// CurveEd25519 or CurveEd448.
|
|
var ErrUnknownEdDSACurve = errors.New("unknown Edwards curve")
|
|
|
|
// ErrUnknownECDSACurve is returned when the decoded uvarint isn't either
|
|
// CurveSecp256k1, CurveP256, CurveP384 or CurveP521.
|
|
var ErrUnknownECDSACurve = errors.New("unknown ECDSA curve")
|
|
|
|
// ErrUnsupportedVersion is returned when an unsupported varsig version
|
|
// field is present.
|
|
var ErrUnsupportedVersion = errors.New("unsupported version")
|
|
|
|
// ErrBadPrefix is returned when the prefix field contains a value other
|
|
// than 0x34 (encoded as an uvarint).
|
|
var ErrBadPrefix = errors.New("varsig prefix not found")
|