summaryrefslogtreecommitdiff
path: root/internal/decrypt.go
blob: d8d9ef4a48c4c5eea53dd1f187fb9a2a8c21c076 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
package internal

import (
	"github.com/joho/godotenv"
)

func Decrypt(edek WrappedDEK, ct Ciphertext) ([]byte, error) {
	godotenv.Load()

	kek, err := NewKEKFromEnvB64("SECRET_KEY")
	if err != nil {
		return nil, err
	}

	dek2, err := UnwrapDEK(edek, kek)
	if err != nil {
		return nil, err
	}

	pt, err := DecryptData(ct, dek2)
	if err != nil {
		return nil, err
	}

	return pt, nil
}