message: Rename aead_factory.primitiveSet to wrappedAead.
diff: @@ -18,9 +18,9 @@ import (
  "fmt"
  "github.com/google/tink/go/core/cryptofmt"
  - "github.com/google/tink/go/keyset"
  "github.com/google/tink/go/core/primitiveset"
  "github.com/google/tink/go/core/registry"
  + "github.com/google/tink/go/keyset"
  "github.com/google/tink/go/tink"
  )
  @@ -35,27 +35,27 @@ func NewWithKeyManager(h *keyset.Handle, km registry.KeyManager) (tink.AEAD, err
  if err != nil {
  return nil, fmt.Errorf("aead_factory: cannot obtain primitive set: %s", err)
  }
  - return newPrimitiveSet(ps), nil
  + return newWrappedAead(ps), nil
  }
  -// primitiveSet is an AEAD implementation that uses the underlying primitive set for encryption
  +// wrappedAead is an AEAD implementation that uses the underlying primitive set for encryption
  // and decryption.
  -type primitiveSet struct {
  +type wrappedAead struct {
  ps *primitiveset.PrimitiveSet
  }
  -// Asserts that primitiveSet implements the AEAD interface.
  -var _ tink.AEAD = (*primitiveSet)(nil)
  +// Asserts that wrappedAead implements the AEAD interface.
  +var _ tink.AEAD = (*wrappedAead)(nil)
  -func newPrimitiveSet(ps *primitiveset.PrimitiveSet) *primitiveSet {
  - ret := new(primitiveSet)
  +func newWrappedAead(ps *primitiveset.PrimitiveSet) *wrappedAead {
  + ret := new(wrappedAead)
  ret.ps = ps
  return ret
  }
  // Encrypt encrypts the given plaintext with the given additional authenticated data.
  // It returns the concatenation of the primary's identifier and the ciphertext.
  -func (a *primitiveSet) Encrypt(pt, ad []byte) ([]byte, error) {
  +func (a *wrappedAead) Encrypt(pt, ad []byte) ([]byte, error) {
  primary := a.ps.Primary
  var p = (primary.Primitive).(tink.AEAD)
  ct, err := p.Encrypt(pt, ad)
  @@ -71,7 +71,7 @@ func (a *primitiveSet) Encrypt(pt, ad []byte) ([]byte, error) {
  // Decrypt decrypts the given ciphertext and authenticates it with the given
  // additional authenticated data. It returns the corresponding plaintext if the
  // ciphertext is authenticated.
  -func (a *primitiveSet) Decrypt(ct, ad []byte) ([]byte, error) {
  +func (a *wrappedAead) Decrypt(ct, ad []byte) ([]byte, error) {
  // try non-raw keys
  prefixSize := cryptofmt.NonRawPrefixSize
  if len(ct) > prefixSize {
  