1 files changed, 32 insertions, 0 deletions
diff --git a/source/luametatex/source/libraries/pplib/util/utilcryptdef.h b/source/luametatex/source/libraries/pplib/util/utilcryptdef.h
new file mode 100644
index 000000000..d43ea2e5b
--- /dev/null
+++ b/source/luametatex/source/libraries/pplib/util/utilcryptdef.h
@@ -0,0 +1,32 @@
+
+#ifndef UTIL_CRYPTDEF_H
+#define UTIL_CRYPTDEF_H
+
+struct rc4_state {
+  union {
+    rc4_map *map;
+    uint8_t *smap;
+  };
+  int i, j;
+  int flush;
+  int flags;
+};
+
+struct aes_state {
+  size_t keylength;
+  int rounds;
+  //int keywords;
+  union {
+    aes_block block;
+    uint8_t data[16];
+  };
+  aes_keyblock *keyblock;
+  uint8_t iv[16];
+  uint8_t buffered;
+  int flush;
+  int flags;
+};
+
+typedef union { rc4_state *rc4state; aes_state *aesstate; void *voidstate; } crypt_state_pointer; // to avoid 'dereferencing type-puned ...' warnings
+
+#endif
+\ No newline at end of file