From 70a46a5b9059aa6b08a8f206406d1e856544ea3e Mon Sep 17 00:00:00 2001
From: Jack Lloyd <jack@randombit.net>
Date: Fri, 22 Sep 2017 19:12:02 -0400
Subject: Reject very small inputs to the package transform

Causes breakage - #825
---
 src/lib/misc/aont/package.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/lib')

diff --git a/src/lib/misc/aont/package.cpp b/src/lib/misc/aont/package.cpp
index 9c106e1d0..c9dd3dada 100644
--- a/src/lib/misc/aont/package.cpp
+++ b/src/lib/misc/aont/package.cpp
@@ -18,6 +18,9 @@ void aont_package(RandomNumberGenerator& rng,
                   const uint8_t input[], size_t input_len,
                   uint8_t output[])
    {
+   if(input_len <= 1)
+      throw Encoding_Error("Package transform cannot encode small inputs");
+
    const size_t BLOCK_SIZE = cipher->block_size();
 
    if(!cipher->valid_keylength(BLOCK_SIZE))
-- 
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