Make struct cipher_base_t opaque
diff --git a/ChangeLog b/ChangeLog
index 053e480..d810504 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -65,6 +65,7 @@
Semi-API changes (technically public, morally private)
* Changed md_info_t into an opaque structure (use md_get_xxx() accessors).
* Changed pk_info_t into an opaque structure.
+ * Change cipher_base_t into an opaque structure.
* Remove sig_oid2 and rename sig_oid1 to sig_oid in x509_crt and x509_crl.
* x509_crt.key_usage changed from unsigned char to unsigned int.
* Remove r and s from ecdsa_context