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/libb2-0.98.1/src/blake2-config.h
Examining data/libb2-0.98.1/src/blake2-dispatch.c
Examining data/libb2-0.98.1/src/blake2-impl.h
Examining data/libb2-0.98.1/src/blake2-kat.h
Examining data/libb2-0.98.1/src/blake2.h
Examining data/libb2-0.98.1/src/blake2b-load-sse2.h
Examining data/libb2-0.98.1/src/blake2b-load-sse41.h
Examining data/libb2-0.98.1/src/blake2b-ref.c
Examining data/libb2-0.98.1/src/blake2b-round.h
Examining data/libb2-0.98.1/src/blake2b-test.c
Examining data/libb2-0.98.1/src/blake2b.c
Examining data/libb2-0.98.1/src/blake2bp-test.c
Examining data/libb2-0.98.1/src/blake2bp.c
Examining data/libb2-0.98.1/src/blake2s-load-sse2.h
Examining data/libb2-0.98.1/src/blake2s-load-sse41.h
Examining data/libb2-0.98.1/src/blake2s-load-xop.h
Examining data/libb2-0.98.1/src/blake2s-ref.c
Examining data/libb2-0.98.1/src/blake2s-round.h
Examining data/libb2-0.98.1/src/blake2s-test.c
Examining data/libb2-0.98.1/src/blake2s.c
Examining data/libb2-0.98.1/src/blake2sp-test.c
Examining data/libb2-0.98.1/src/blake2sp.c
FINAL RESULTS:
data/libb2-0.98.1/src/blake2-impl.h:69:3: [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( dst, &w, sizeof( w ) );
data/libb2-0.98.1/src/blake2-impl.h:82:3: [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( dst, &w, sizeof( w ) );
data/libb2-0.98.1/src/blake2b-ref.c:129:3: [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( P->salt, salt, BLAKE2B_SALTBYTES );
data/libb2-0.98.1/src/blake2b-ref.c:135:3: [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( P->personal, personal, BLAKE2B_PERSONALBYTES );
data/libb2-0.98.1/src/blake2b-ref.c:230:5: [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( block, key, keylen );
data/libb2-0.98.1/src/blake2b-ref.c:310:7: [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( S->buf + left, in, fill ); // Fill buffer
data/libb2-0.98.1/src/blake2b-ref.c:314:7: [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( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); // Shift buffer left
data/libb2-0.98.1/src/blake2b-ref.c:321:7: [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( S->buf + left, in, inlen );
data/libb2-0.98.1/src/blake2b-ref.c:343:5: [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( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
data/libb2-0.98.1/src/blake2b-ref.c:354:3: [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( out, buffer, outlen );
data/libb2-0.98.1/src/blake2b.c:171:3: [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( P->salt, salt, BLAKE2B_SALTBYTES );
data/libb2-0.98.1/src/blake2b.c:177:3: [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( P->personal, personal, BLAKE2B_PERSONALBYTES );
data/libb2-0.98.1/src/blake2b.c:280:5: [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( block, key, keylen );
data/libb2-0.98.1/src/blake2b.c:367:7: [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( S->buf + left, in, fill ); // Fill buffer
data/libb2-0.98.1/src/blake2b.c:371:7: [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( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); // Shift buffer left
data/libb2-0.98.1/src/blake2b.c:378:7: [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( S->buf + left, in, inlen );
data/libb2-0.98.1/src/blake2b.c:398:5: [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( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
data/libb2-0.98.1/src/blake2b.c:405:3: [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( out, &S->h[0], outlen );
data/libb2-0.98.1/src/blake2bp.c:108:5: [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( block, key, keylen );
data/libb2-0.98.1/src/blake2bp.c:126:5: [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( S->buf + left, in, fill );
data/libb2-0.98.1/src/blake2bp.c:162:5: [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( S->buf + left, in, inlen );
data/libb2-0.98.1/src/blake2bp.c:223:5: [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( block, key, keylen );
data/libb2-0.98.1/src/blake2s-ref.c:122:3: [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( P->salt, salt, BLAKE2S_SALTBYTES );
data/libb2-0.98.1/src/blake2s-ref.c:128:3: [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( P->personal, personal, BLAKE2S_PERSONALBYTES );
data/libb2-0.98.1/src/blake2s-ref.c:223:5: [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( block, key, keylen );
data/libb2-0.98.1/src/blake2s-ref.c:300:7: [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( S->buf + left, in, fill ); // Fill buffer
data/libb2-0.98.1/src/blake2s-ref.c:304:7: [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( S->buf, S->buf + BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); // Shift buffer left
data/libb2-0.98.1/src/blake2s-ref.c:311:7: [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( S->buf + left, in, inlen );
data/libb2-0.98.1/src/blake2s-ref.c:333:5: [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( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
data/libb2-0.98.1/src/blake2s-ref.c:344:3: [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( out, buffer, outlen );
data/libb2-0.98.1/src/blake2s.c:159:3: [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( P->salt, salt, BLAKE2S_SALTBYTES );
data/libb2-0.98.1/src/blake2s.c:165:3: [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( P->personal, personal, BLAKE2S_PERSONALBYTES );
data/libb2-0.98.1/src/blake2s.c:265:5: [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( block, key, keylen );
data/libb2-0.98.1/src/blake2s.c:340:7: [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( S->buf + left, in, fill ); // Fill buffer
data/libb2-0.98.1/src/blake2s.c:344:7: [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( S->buf, S->buf + BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); // Shift buffer left
data/libb2-0.98.1/src/blake2s.c:351:7: [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( S->buf + left, in, inlen );
data/libb2-0.98.1/src/blake2s.c:373:5: [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( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
data/libb2-0.98.1/src/blake2s.c:384:3: [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( out, buffer, outlen );
data/libb2-0.98.1/src/blake2sp.c:105:5: [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( block, key, keylen );
data/libb2-0.98.1/src/blake2sp.c:123:5: [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( S->buf + left, in, fill );
data/libb2-0.98.1/src/blake2sp.c:159:5: [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( S->buf + left, in, inlen );
data/libb2-0.98.1/src/blake2sp.c:221:5: [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( block, key, keylen );
ANALYSIS SUMMARY:
Hits = 42
Lines analyzed = 21002 in approximately 1.05 seconds (20033 lines/second)
Physical Source Lines of Code (SLOC) = 19855
Hits@level = [0] 0 [1] 0 [2] 42 [3] 0 [4] 0 [5] 0
Hits@level+ = [0+] 42 [1+] 42 [2+] 42 [3+] 0 [4+] 0 [5+] 0
Hits/KSLOC@level+ = [0+] 2.11534 [1+] 2.11534 [2+] 2.11534 [3+] 0 [4+] 0 [5+] 0
Dot directories skipped = 1 (--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.