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