Imports github.com/hashicorp/vault/helper/jsonutil github.com/hashicorp/vault/helper/kdf golang.org/x/crypto/hkdf github.com/hashicorp/vault/helper/errutil github.com/hashicorp/go-uuid github.com/hashicorp/vault/logical Standard library imports crypto/elliptic crypto/hmac crypto/sha256 crypto/cipher bytes crypto/aes crypto/ecdsa crypto/rand crypto/x509 encoding/asn1 encoding/base64 encoding/json encoding/pem errors fmt io math/big strconv strings sync time