completed set2, challenge 10

3 files changed, 102 insertions, 5 deletions

diff --git a/set2/10.txt b/set2/10.txt
new file mode 100644
index 0000000..f0802a5
--- /dev/null
+++ b/set2/10.txt
@@ -0,0 +1,64 @@
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diff --git a/set2/Makefile b/set2/Makefile
index abbacc0..b0c56a2 100644
--- a/set2/Makefile
+++ b/set2/Makefile
@@ -1,10 +1,13 @@
-LIB=../lib/lib2.c
+LIB=../lib/lib2.c ../lib/lib.c
 CC=gcc
-CFLAGS := -g -Wall $(CFLAGS) 
+CFLAGS := -g $(CFLAGS) 
+CLIBS=`pkg-config --cflags --libs libcrypto`
 
-all: task9
+all: task9 task10
 
 task9:
-	$(CC) $(CFLAGS) task9.c $(LIB) -o task9
+	$(CC) $(CFLAGS) task9.c $(LIB) $(CLIBS) -o task9
+task10:
+	$(CC) $(CFLAGS) task10.c $(LIB) $(CLIBS) -o task10
 clean:
-	rm task9
+	rm task9 task10
diff --git a/set2/task10.c b/set2/task10.c
new file mode 100644
index 0000000..fb8d0c1
--- /dev/null
+++ b/set2/task10.c
@@ -0,0 +1,30 @@
+#include "../lib/lib.h"
+#include "../lib/lib2.h"
+
+
+int main(int argc, char **argv)
+{
+	int read = 0, len = 0;
+	char *cleartext;
+	char *file_content;
+	char *decoded_content;
+	int decoded_content_length = 0;
+	int file_length = 0;
+	char *string_key = "YELLOW SUBMARINE";
+	char iv[16];
+
+	memset(iv, 0, 16);
+
+	// file is base64
+	file_length = read_base64_file("10.txt", &file_content);
+	// decode base64
+	decoded_content = malloc(file_length);
+	decoded_content_length = decode_base64(file_content, decoded_content);
+	cleartext = malloc(decoded_content_length+1);
+	// aes cbc
+	aes_cbc(decoded_content, decoded_content_length, cleartext, string_key, iv);
+	printf("%s\n", cleartext);
+	free(decoded_content);
+	free(cleartext);
+	return 0;
+}