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50 lines
1.6 KiB
50 lines
1.6 KiB
package sigcred
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import (
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"dehub/fs"
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"dehub/typeobj"
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)
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// Signifier reprsents a single signing method being defined in the Config. Only
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// one field should be set on each Signifier.
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type Signifier struct {
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PGPPublicKey *SignifierPGP `type:"pgp_public_key"`
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PGPPublicKeyFile *SignifierPGPFile `type:"pgp_public_key_file"`
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}
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// MarshalYAML implements the yaml.Marshaler interface.
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func (s Signifier) MarshalYAML() (interface{}, error) {
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return typeobj.MarshalYAML(s)
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}
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// UnmarshalYAML implements the yaml.Unmarshaler interface.
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func (s *Signifier) UnmarshalYAML(unmarshal func(interface{}) error) error {
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return typeobj.UnmarshalYAML(s, unmarshal)
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}
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// Interface returns the SignifierInterface instance encapsulated by this
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// Signifier object.
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func (s Signifier) Interface() (SignifierInterface, error) {
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el, _, err := typeobj.Element(s)
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if err != nil {
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return nil, err
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}
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return el.(SignifierInterface), nil
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}
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// SignifierInterface describes the methods that all Signifiers must implement.
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type SignifierInterface interface {
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// Sign returns a Credential containing a signature of the given data.
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//
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// tree can be used to find the Signifier at a particular snapshot.
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Sign(fs fs.FS, data []byte) (Credential, error)
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// Signed returns true if the Signifier was used to sign the Credential.
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Signed(fs fs.FS, cred Credential) (bool, error)
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// Verify asserts that the Signifier produced the given Credential for the
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// given data set, or returns an error.
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//
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// tree can be used to find the Signifier at a particular snapshot.
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Verify(fs fs.FS, data []byte, cred Credential) error
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}
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