diff options
Diffstat (limited to 'openssl/crypto/rand/md_rand.c')
| -rw-r--r-- | openssl/crypto/rand/md_rand.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/openssl/crypto/rand/md_rand.c b/openssl/crypto/rand/md_rand.c index 88088ce73..b2f04ff13 100644 --- a/openssl/crypto/rand/md_rand.c +++ b/openssl/crypto/rand/md_rand.c @@ -476,11 +476,14 @@ static int ssleay_rand_bytes(unsigned char *buf, int num) MD_Update(&m,(unsigned char *)&(md_c[0]),sizeof(md_c)); #ifndef PURIFY /* purify complains */ - /* DO NOT REMOVE THE FOLLOWING CALL TO MD_Update()! */ + /* The following line uses the supplied buffer as a small + * source of entropy: since this buffer is often uninitialised + * it may cause programs such as purify or valgrind to + * complain. So for those builds it is not used: the removal + * of such a small source of entropy has negligible impact on + * security. + */ MD_Update(&m,buf,j); - /* We know that line may cause programs such as - purify and valgrind to complain about use of - uninitialized data. */ #endif k=(st_idx+MD_DIGEST_LENGTH/2)-st_num; |