X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=crypt.c;h=8e1814dd3d82e5fd1d50301402faea6b0d9a9934;hp=f3bfed3be755ccce6ba9ec1d89c40934babedc35;hb=54cf5827521ddf1d4be9bed2da196ca58e773e4e;hpb=e7593d7c153bfca2131b18621fb24ae18c1c0cb3

diff --git a/crypt.c b/crypt.c
index f3bfed3b..8e1814dd 100644
--- a/crypt.c
+++ b/crypt.c
@@ -7,7 +7,6 @@
 /** \file crypt.c Openssl-based encryption/decryption routines. */
 
 #include <regex.h>
-#include <dirent.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <openssl/rand.h>
@@ -220,7 +219,6 @@ int pub_encrypt(struct asymmetric_key *pub, unsigned char *inbuf,
 	return ret < 0? -E_ENCRYPT : ret;
 }
 
-#define RC4_ALIGN 8
 struct stream_cipher {
 	RC4_KEY key;
 };
@@ -250,6 +248,13 @@ void sc_free(struct stream_cipher *sc)
 	free(sc);
 }
 
+/**
+ * The RC4() implementation of openssl apparently reads and writes data in
+ * blocks of 8 bytes. So we have to make sure our buffer sizes are a multiple
+ * of this.
+ */
+#define RC4_ALIGN 8
+
 /**
  * Encrypt and send a buffer.
  *