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/siphashc-1.2/siphash/siphash.c
Examining data/siphashc-1.2/siphash/siphash.h
Examining data/siphashc-1.2/siphash/siphash_impl.h
Examining data/siphashc-1.2/siphashc.c

FINAL RESULTS:

data/siphashc-1.2/siphash/siphash.c:11:24:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
siphash(const unsigned char key[16], const unsigned char *m, size_t len) {
data/siphashc-1.2/siphash/siphash.h:16:33:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
uint64_t siphash(const unsigned char key[16], const unsigned char *m, size_t len);
data/siphashc-1.2/siphash/siphash_impl.h:53:18:  [2] (buffer) char:
  Statically-sized arrays can be improperly restricted, leading to potential
  overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
  functions that limit length, or ensure that the size is larger than the
  maximum possible length.
        unsigned char u[16];

ANALYSIS SUMMARY:

Hits = 3
Lines analyzed = 272 in approximately 0.01 seconds (18419 lines/second)
Physical Source Lines of Code (SLOC) = 209
Hits@level = [0]   0 [1]   0 [2]   3 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]   3 [1+]   3 [2+]   3 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 14.3541 [1+] 14.3541 [2+] 14.3541 [3+]   0 [4+]   0 [5+]   0
Dot directories skipped = 2 (--followdotdir overrides)
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.