open-vault/vault/seal/envelope.go

37 lines
786 B
Go

package seal
import (
"sync"
"time"
metrics "github.com/armon/go-metrics"
wrapping "github.com/hashicorp/go-kms-wrapping"
)
type Envelope struct {
envelope *wrapping.Envelope
once sync.Once
}
func NewEnvelope() *Envelope {
return &Envelope{}
}
func (e *Envelope) init() {
e.envelope = new(wrapping.Envelope)
}
func (e *Envelope) Encrypt(plaintext, aad []byte) (*wrapping.EnvelopeInfo, error) {
defer metrics.MeasureSince([]string{"seal", "envelope", "encrypt"}, time.Now())
e.once.Do(e.init)
return e.envelope.Encrypt(plaintext, aad)
}
func (e *Envelope) Decrypt(data *wrapping.EnvelopeInfo, aad []byte) ([]byte, error) {
defer metrics.MeasureSince([]string{"seal", "envelope", "decrypt"}, time.Now())
e.once.Do(e.init)
return e.envelope.Decrypt(data, aad)
}