completed set2. challenge 15

wait this is not the given order. Whaaats upp? Carzy guy!

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/lib2.h b/lib/lib2.h
index fabca8a..7036388 100644
--- a/lib/lib2.h
+++ b/lib/lib2.h
@@ -8,5 +8,6 @@
 
 char *pkcs7_padding(char *string, int length_string, int blocksize);
 int aes_cbc(char *in, int length_in, char *out, unsigned char *string_key, char *init_vector);
+int valid_pkcs7_padding(const char *in, int length_in, char *unpadded, int blocksize);
 
 #endif