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package nssdb
import (
"context"
"fmt"
)
type Metadata struct {
ID string
Item1 []byte
Item2 []byte
}
type Password struct {
Salt []byte
EncryptedPassword []byte
}
// The schema of the metaData table is (id string, item1, item2)
func (db *NSSDB) GetMetadata(ctx context.Context, id string) (*Metadata, error) {
entry := &Metadata{
ID: id,
}
err := db.Key.QueryRowContext(ctx, "SELECT item1, item2 FROM metaData WHERE id = ?", id).Scan(&entry.Item1, &entry.Item2)
if err != nil {
return nil, fmt.Errorf("get metaData.%s: %w", id, err)
}
return entry, nil
}
func (db *NSSDB) GetPassword(ctx context.Context) (*Password, error) {
meta, err := db.GetMetadata(ctx, "password")
if err != nil {
return nil, fmt.Errorf(`get "password" from metaData: %w`, err)
}
return &Password{
Salt: meta.Item1,
EncryptedPassword: meta.Item2,
}, nil
}
func (db *NSSDB) deleteSignatures(ctx context.Context, objectID uint32) error {
id := keySignatureID(objectID)
_, err := db.Key.ExecContext(ctx, "DELETE FROM metaData WHERE id = ?", id)
return err
}
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