Comment that KeyStretcher is pre-deprecation
@@ -181,6 +181,8 @@ type StretchedKeys struct {
CipherKey []byte
}
+// PENDING DEPRECATION: KeyStretcher() will be deprecated with secio; for new
+// code, please use PBKDF2 (golang.org/x/crypto/pbkdf2) instead.
// KeyStretcher returns a set of keys for each party by stretching the shared key.
// (myIV, theirIV, myCipherKey, theirCipherKey, myMACKey, theirMACKey).
// This function accepts the following cipher types:
