From 6e10c08b4b34fd6c14ed42ef530b86e688ab3d8b Mon Sep 17 00:00:00 2001
From: Mirek Kratochvil <exa.exa@gmail.com>
Date: Mon, 22 Apr 2013 08:47:49 +0200
Subject: [PATCH] actions: one more check

---
 src/actions.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/actions.cpp b/src/actions.cpp
index 471b022..12e6d7b 100644
--- a/src/actions.cpp
+++ b/src/actions.cpp
@@ -231,6 +231,15 @@ int action_decrypt (bool armor,
 		return 1;
 	}
 
+	//and the algorithm
+	if ( (!AS.count (msg.alg_id) )
+	     || (!AS[msg.alg_id]->provides_encryption() ) ) {
+		err ("error: decryption algorithm unsupported");
+		err ("info: requires algorithm " << msg.alg_id);
+		return 1;
+	}
+
+
 	//actual decryption
 	bvector plaintext;
 	if (msg.decrypt (plaintext, AS, KR) ) {