Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/libranlip-1.0/examples/ranliptest.cpp Examining data/libranlip-1.0/examples/ranliptestproc.cpp Examining data/libranlip-1.0/src/ranlip.h Examining data/libranlip-1.0/src/ranlipdist.h Examining data/libranlip-1.0/src/ranlipproc.h Examining data/libranlip-1.0/src/discrete.c Examining data/libranlip-1.0/src/ranlip.cpp Examining data/libranlip-1.0/src/ranlipproc.cpp FINAL RESULTS: data/libranlip-1.0/examples/ranliptestproc.cpp:95:2: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. srand(10); // not SeedRanLip(10); data/libranlip-1.0/src/ranlip.cpp:482:12: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). FILE * fp=fopen(fname,"w"); data/libranlip-1.0/src/ranlip.cpp:501:12: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). FILE * fp=fopen(fname,"r"); ANALYSIS SUMMARY: Hits = 3 Lines analyzed = 1949 in approximately 0.81 seconds (2396 lines/second) Physical Source Lines of Code (SLOC) = 991 Hits@level = [0] 9 [1] 0 [2] 2 [3] 1 [4] 0 [5] 0 Hits@level+ = [0+] 12 [1+] 3 [2+] 3 [3+] 1 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 12.109 [1+] 3.02725 [2+] 3.02725 [3+] 1.00908 [4+] 0 [5+] 0 Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.