jwt_encryption_decryption_example.go

// golang jwt jwe

func jwt2jwe(jwtStr string) string {
	rec := jose.Recipient{
		Algorithm:  jose.PBES2_HS256_A128KW,
		Key:        "mypassphrase",
		PBES2Count: 4096,
		PBES2Salt:  []byte("salt"),
	}
	enc, _ := jose.NewEncrypter(jose.A128CBC_HS256, rec, nil)
	jweObj, _ := enc.Encrypt([]byte(jwtStr))
	jweStr, _ := jweObj.CompactSerialize()
	return jweStr
}

func jwe2jwt(jweStr string) string {
	jweObj, _ := jose.ParseEncrypted(jweStr)
	jwtBytes, _ := jweObj.Decrypt("mypassphrase")
	jwtStr := string(jwtBytes)
	return jwtStr
}