witness

package

v1.0.1 Latest Latest Go to latest Published: Nov 17, 2023 License: Apache-2.0 Imports: 18 Imported by: 0

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Repository

github.com/glezjose/certificate-transparency-go

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Documentation ¶

Overview ¶

Package witness is designed to make sure the STHs of CT logs are consistent and store/serve/sign them if so. It is expected that a separate feeder component would be responsible for the actual interaction with logs.

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Opts ¶

type Opts struct {
	DB        *sql.DB
	PrivKey   string
	KnownLogs map[string]ct.SignatureVerifier
}

Opts is the options passed to a witness.

type Witness ¶

type Witness struct {
	Logs map[string]ct.SignatureVerifier
	// contains filtered or unexported fields
}

Witness consists of a database for storing STHs, a signing key, and a list of logs for which it stores and verifies STHs.

func New ¶

func New(wo Opts) (*Witness, error)

New creates a new witness, which initially has no logs to follow.

func (*Witness) GetLogs ¶

func (w *Witness) GetLogs() ([]string, error)

GetLogs returns a list of all logs the witness is aware of.

func (*Witness) GetSTH ¶

func (w *Witness) GetSTH(logID string) ([]byte, error)

GetSTH gets a cosigned STH for a given log, which is consistent with all other STHs for the same log signed by this witness.

func (*Witness) Update ¶

func (w *Witness) Update(ctx context.Context, logID string, nextRaw []byte, pf [][]byte) ([]byte, error)

Update updates the latest STH if nextRaw is consistent with the current latest one for this log. It returns the latest cosigned STH held by the witness, which is a signed version of nextRaw if the update was applied.

Source Files ¶

View all Source files

witness.go

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