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/libnitrokey-3.5/DeviceCommunicationExceptions.cpp
Examining data/libnitrokey-3.5/NK_C_API.cc
Examining data/libnitrokey-3.5/NK_C_API.h
Examining data/libnitrokey-3.5/NitrokeyManager.cc
Examining data/libnitrokey-3.5/command_id.cc
Examining data/libnitrokey-3.5/device.cc
Examining data/libnitrokey-3.5/libnitrokey/CommandFailedException.h
Examining data/libnitrokey-3.5/libnitrokey/DeviceCommunicationExceptions.h
Examining data/libnitrokey-3.5/libnitrokey/LibraryException.h
Examining data/libnitrokey-3.5/libnitrokey/LongOperationInProgressException.h
Examining data/libnitrokey-3.5/libnitrokey/NitrokeyManager.h
Examining data/libnitrokey-3.5/libnitrokey/command.h
Examining data/libnitrokey-3.5/libnitrokey/command_id.h
Examining data/libnitrokey-3.5/libnitrokey/cxx_semantics.h
Examining data/libnitrokey-3.5/libnitrokey/deprecated.h
Examining data/libnitrokey-3.5/libnitrokey/device.h
Examining data/libnitrokey-3.5/libnitrokey/device_proto.h
Examining data/libnitrokey-3.5/libnitrokey/dissect.h
Examining data/libnitrokey-3.5/libnitrokey/hidapi/hidapi.h
Examining data/libnitrokey-3.5/libnitrokey/log.h
Examining data/libnitrokey-3.5/libnitrokey/misc.h
Examining data/libnitrokey-3.5/libnitrokey/stick10_commands.h
Examining data/libnitrokey-3.5/libnitrokey/stick10_commands_0.8.h
Examining data/libnitrokey-3.5/libnitrokey/stick20_commands.h
Examining data/libnitrokey-3.5/libnitrokey/version.h
Examining data/libnitrokey-3.5/log.cc
Examining data/libnitrokey-3.5/misc.cc
Examining data/libnitrokey-3.5/unittest/catch_main.cpp
Examining data/libnitrokey-3.5/unittest/test1.cc
Examining data/libnitrokey-3.5/unittest/test2.cc
Examining data/libnitrokey-3.5/unittest/test3.cc
Examining data/libnitrokey-3.5/unittest/test_C_API.cpp
Examining data/libnitrokey-3.5/unittest/test_HOTP.cc
Examining data/libnitrokey-3.5/unittest/test_command_ids_header.h
Examining data/libnitrokey-3.5/unittest/test_issues.cc
Examining data/libnitrokey-3.5/unittest/test_minimal.c
Examining data/libnitrokey-3.5/unittest/test_multiple_devices.cc
Examining data/libnitrokey-3.5/unittest/test_offline.cc
Examining data/libnitrokey-3.5/unittest/test_safe.cpp
Examining data/libnitrokey-3.5/unittest/test_strdup.cpp
Examining data/libnitrokey-3.5/version.cc

FINAL RESULTS:

data/libnitrokey-3.5/unittest/test3.cc:56:3:  [4] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused).
  strcpy((char *) (authreq.card_password), default_admin_pin);
data/libnitrokey-3.5/unittest/test3.cc:57:3:  [4] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused).
  strcpy((char *) (authreq.temporary_password), temporary_password);
data/libnitrokey-3.5/unittest/test_HOTP.cc:72:7:  [4] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused).
      strcpy((char *)(authreq.temporary_password), temporary_password);
data/libnitrokey-3.5/unittest/test_HOTP.cc:92:9:  [4] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused).
        strcpy((char *)(auth.temporary_password), temporary_password);
data/libnitrokey-3.5/NK_C_API.cc:39:2:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
	memcpy(dup, str, len);
data/libnitrokey-3.5/NitrokeyManager.cc:48:3:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
  memcpy(dup, str, len);
data/libnitrokey-3.5/device.cc:257:12:  [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 buf[1];
data/libnitrokey-3.5/misc.cc:46:5:  [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.
    char buf[3];
data/libnitrokey-3.5/misc.cc:67:3:  [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.
  char formatbuf[128];
data/libnitrokey-3.5/unittest/test1.cc:56:3:  [2] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused). Risk is low because the source is a constant string.
  strcpy((char *)(authreq.card_password), "12345678");
data/libnitrokey-3.5/unittest/test1.cc:61:5:  [2] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused). Risk is low because the source is a constant string.
    strcpy((char *)(authreq.user_password), "123456");
data/libnitrokey-3.5/unittest/test_HOTP.cc:39:5:  [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.
    char buf[3];
data/libnitrokey-3.5/unittest/test_HOTP.cc:71:7:  [2] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused). Risk is low because the source is a constant string.
      strcpy((char *)(authreq.card_password), "12345678");
data/libnitrokey-3.5/unittest/test_HOTP.cc:80:5:  [2] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused). Risk is low because the source is a constant string.
    strcpy(reinterpret_cast<char *>(hwrite.slot_name), "rfc4226_lib");
data/libnitrokey-3.5/NitrokeyManager.cc:429:50:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        if(user_temporary_password != nullptr && strlen(user_temporary_password)!=0){ //FIXME use string instead of strlen
data/libnitrokey-3.5/NitrokeyManager.cc:437:50:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
        if(user_temporary_password != nullptr && strlen(user_temporary_password)!=0) {
data/libnitrokey-3.5/NitrokeyManager.cc:467:52:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
          if(user_temporary_password != nullptr && strlen(user_temporary_password)!=0){ //FIXME use string instead of strlen
data/libnitrokey-3.5/libnitrokey/misc.h:94:9:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
        strncpy((char*) &dest, src, s_dest);
data/libnitrokey-3.5/unittest/test_HOTP.cc:38:11:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
  REQUIRE(strlen(hexString)%2==0);
data/libnitrokey-3.5/unittest/test_HOTP.cc:41:23:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
    for(size_t i=0; i<strlen(hexString); i++){

ANALYSIS SUMMARY:

Hits = 20
Lines analyzed = 9721 in approximately 0.28 seconds (34118 lines/second)
Physical Source Lines of Code (SLOC) = 6233
Hits@level = [0]   5 [1]   6 [2]  10 [3]   0 [4]   4 [5]   0
Hits@level+ = [0+]  25 [1+]  20 [2+]  14 [3+]   4 [4+]   4 [5+]   0
Hits/KSLOC@level+ = [0+] 4.01091 [1+] 3.20873 [2+] 2.24611 [3+] 0.641746 [4+] 0.641746 [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.