completed task6 nearly completly

just a few characters are still wrong in the key.
freqencies analysis has to be made more comprehensive

1 files changed, 11 insertions, 6 deletions

diff --git a/lib.h b/lib.h
index a0986e7..3e2a309 100644
--- a/lib.h
+++ b/lib.h
@@ -7,16 +7,21 @@
 #include <stdlib.h>
 #include <ctype.h>
 
+struct key_and_freq {
+	char key;
+	int hits;
+};
 
+void print_char_bit(char);
 void xor_string(char *str1, char *key, char *result, int length_key, int length_str1);
 void hex_binary_to_string(char *str1, char *result, int length);
 int decode_hex_string(char *encode, char* result);
-int encode_to_base64(char *encode, char *result);
-void decode_base64(char *string1, char *result);
-int print_base64_string(char *string);
-int hamming_distance_equal_length(char *string1, char *string2);
-int brute_force_single_byte_xor(char *string, int length, char *keys);
-
+void encode_to_base64(char *encode, char *result);
+int decode_base64(char *string1, char *result);
+void print_base64_string(char *string);
+int hamming_distance_equal_length(char *string1, char *string2, int length);
+char brute_force_single_byte_xor(char *string, int length, struct key_and_freq *tmp);
+int isprintable(char *string, int length);
 
 
 #endif /* __CYRPTO_LIB__ */