37 lines
845 B
Go
37 lines
845 B
Go
package seal
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import (
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"sync"
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"time"
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metrics "github.com/armon/go-metrics"
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wrapping "github.com/hashicorp/go-kms-wrapping/v2"
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)
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type Envelope struct {
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envelope *wrapping.EnvelopeInfo
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once sync.Once
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}
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func NewEnvelope() *Envelope {
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return &Envelope{}
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}
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func (e *Envelope) init() {
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e.envelope = new(wrapping.EnvelopeInfo)
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}
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func (e *Envelope) Encrypt(plaintext, aad []byte) (*wrapping.EnvelopeInfo, error) {
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defer metrics.MeasureSince([]string{"seal", "envelope", "encrypt"}, time.Now())
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e.once.Do(e.init)
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return wrapping.EnvelopeEncrypt(plaintext, wrapping.WithAad(aad))
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}
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func (e *Envelope) Decrypt(data *wrapping.EnvelopeInfo, aad []byte) ([]byte, error) {
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defer metrics.MeasureSince([]string{"seal", "envelope", "decrypt"}, time.Now())
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e.once.Do(e.init)
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return wrapping.EnvelopeDecrypt(data, wrapping.WithAad(aad))
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}
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