- Changed ARC4 to use seperate input/output buffer

diff --git a/tests/suites/test_suite_arc4.function b/tests/suites/test_suite_arc4.function
index a7a5333..bc545a9 100644
--- a/tests/suites/test_suite_arc4.function
+++ b/tests/suites/test_suite_arc4.function
@@ -7,22 +7,24 @@
 {
     unsigned char src_str[1000];
     unsigned char key_str[1000];
-    unsigned char dst_str[2000];
+    unsigned char dst_str[1000];
+    unsigned char dst_hexstr[2000];
     int src_len, key_len;
     arc4_context ctx;
 
     memset(src_str, 0x00, 1000);
     memset(key_str, 0x00, 1000);
-    memset(dst_str, 0x00, 2000);
+    memset(dst_str, 0x00, 1000);
+    memset(dst_hexstr, 0x00, 2000);
 
     src_len = unhexify( src_str, {hex_src_string} );
     key_len = unhexify( key_str, {hex_key_string} );
 
     arc4_setup(&ctx, key_str, key_len);
-    TEST_ASSERT( arc4_crypt(&ctx, src_str, src_len) == 0 );
-    hexify( dst_str, src_str, src_len );
+    TEST_ASSERT( arc4_crypt(&ctx, src_len, src_str, dst_str ) == 0 );
+    hexify( dst_hexstr, dst_str, src_len );
 
-    TEST_ASSERT( strcmp( (char *) dst_str, {hex_dst_string} ) == 0 );
+    TEST_ASSERT( strcmp( (char *) dst_hexstr, {hex_dst_string} ) == 0 );
 }
 END_CASE