1 files changed, 15 insertions, 0 deletions
diff --git a/libavutil/blowfish.c b/libavutil/blowfish.c
index 8437dd6f94..a392459397 100644
--- a/libavutil/blowfish.c
+++ b/libavutil/blowfish.c
@@ -24,8 +24,18 @@
 #include "avutil.h"
 #include "common.h"
 #include "intreadwrite.h"
+#include "mem.h"
 #include "blowfish.h"
 
+#if !FF_API_CRYPTO_CONTEXT
+#define AV_BF_ROUNDS 16
+
+struct AVBlowfish {
+    uint32_t p[AV_BF_ROUNDS + 2];
+    uint32_t s[4][256];
+};
+#endif
+
 static const uint32_t orig_p[AV_BF_ROUNDS + 2] = {
     0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344,
     0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89,
@@ -312,6 +322,11 @@ static void F(AVBlowfish *ctx, uint32_t *xl, uint32_t *xr, int i)
     *xr = Xl;
 }
 
+AVBlowfish *av_blowfish_alloc(void)
+{
+    return av_mallocz(sizeof(struct AVBlowfish));
+}
+
 av_cold void av_blowfish_init(AVBlowfish *ctx, const uint8_t *key, int key_len)
 {
     uint32_t data, data_l, data_r;