updated for version 7.4.399
Problem: Encryption implementation is messy. Blowfish encryption has a
weakness.
Solution: Refactor the encryption, store the state in an allocated struct
instead of using a save/restore mechanism. Introduce the
"blowfish2" method, which does not have the weakness and encrypts
the whole undo file. (largely by David Leadbeater)
diff --git a/src/proto/crypt_zip.pro b/src/proto/crypt_zip.pro
new file mode 100644
index 0000000..5f4e137
--- /dev/null
+++ b/src/proto/crypt_zip.pro
@@ -0,0 +1,5 @@
+/* crypt_zip.c */
+void crypt_zip_init __ARGS((cryptstate_T *state, char_u *key, char_u *salt, int salt_len, char_u *seed, int seed_len));
+void crypt_zip_encode __ARGS((cryptstate_T *state, char_u *from, size_t len, char_u *to));
+void crypt_zip_decode __ARGS((cryptstate_T *state, char_u *from, size_t len, char_u *to));
+/* vim: set ft=c : */