commit f57bf8b467b8ca7ce82ffedb9846aa8b1e2f9a7f
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Mon Jun 18 11:14:09 2018 +0200
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Tue Jun 19 11:32:48 2018 +0200
tree fc64299b400453c4f746d6d1c8d38ce15396f41d
parent a18034a8e28020ed93a941a9b5c07fecc4e8aec7

Define specific mode for ChachaPoly

The TLS layer is checking for mode, such as GCM, CCM, CBC, STREAM. ChachaPoly
needs to have its own mode, even if it's used just one cipher, in order to
allow consistent handling of mode in the TLS layer.

library/cipher_wrap.c

diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index e22c172..893490a 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -2040,7 +2040,7 @@
 };
 static const mbedtls_cipher_info_t chachapoly_info = {
     MBEDTLS_CIPHER_CHACHA20_POLY1305,
-    MBEDTLS_MODE_NONE,
+    MBEDTLS_MODE_CHACHAPOLY,
     256,
     "CHACHA20-POLY1305",
     12,