From d9e8b47e3144262d6bc4681740411d4bdafad6ac Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Tue, 28 Jul 2015 16:57:49 -0300
Subject: des: add av_des_alloc()

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavutil/des.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'libavutil/des.c')

diff --git a/libavutil/des.c b/libavutil/des.c
index ab0fc2f8bc..86d4712944 100644
--- a/libavutil/des.c
+++ b/libavutil/des.c
@@ -22,9 +22,15 @@
 #include "avutil.h"
 #include "common.h"
 #include "intreadwrite.h"
+#include "mem.h"
 #include "des.h"
 
-typedef struct AVDES AVDES;
+#if !FF_API_CRYPTO_CONTEXT
+struct AVDES {
+    uint64_t round_keys[3][16];
+    int triple_des;
+};
+#endif
 
 #define T(a, b, c, d, e, f, g, h) 64-a,64-b,64-c,64-d,64-e,64-f,64-g,64-h
 static const uint8_t IP_shuffle[] = {
@@ -286,6 +292,11 @@ static uint64_t des_encdec(uint64_t in, uint64_t K[16], int decrypt) {
     return in;
 }
 
+AVDES *av_des_alloc(void)
+{
+    return av_mallocz(sizeof(struct AVDES));
+}
+
 int av_des_init(AVDES *d, const uint8_t *key, int key_bits, int decrypt) {
     if (key_bits != 64 && key_bits != 192)
         return -1;
-- 
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