diff options
Diffstat (limited to 'doc/crypto/RAND_add.pod')
| -rw-r--r-- | doc/crypto/RAND_add.pod | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/doc/crypto/RAND_add.pod b/doc/crypto/RAND_add.pod index 67c66f3e0c9..0a13ec2a92b 100644 --- a/doc/crypto/RAND_add.pod +++ b/doc/crypto/RAND_add.pod @@ -2,8 +2,7 @@ =head1 NAME -RAND_add, RAND_seed, RAND_status, RAND_event, RAND_screen - add -entropy to the PRNG +RAND_add, RAND_seed, RAND_screen - add entropy to the PRNG =head1 SYNOPSIS @@ -15,7 +14,6 @@ entropy to the PRNG int RAND_status(void); - int RAND_event(UINT iMsg, WPARAM wParam, LPARAM lParam); void RAND_screen(void); =head1 DESCRIPTION @@ -42,24 +40,17 @@ or L<RAND_load_file(3)|RAND_load_file(3)>. RAND_seed() is equivalent to RAND_add() when B<num == entropy>. -RAND_event() collects the entropy from Windows events such as mouse -movements and other user interaction. It should be called with the -B<iMsg>, B<wParam> and B<lParam> arguments of I<all> messages sent to -the window procedure. It will estimate the entropy contained in the -event message (if any), and add it to the PRNG. The program can then -process the messages as usual. - The RAND_screen() function is available for the convenience of Windows programmers. It adds the current contents of the screen to the PRNG. -For applications that can catch Windows events, seeding the PRNG by -calling RAND_event() is a significantly better source of -randomness. It should be noted that both methods cannot be used on -servers that run without user interaction. +For applications that can catch Windows events, seeding the PRNG with +the parameters of B<WM_MOUSEMOVE> events is a significantly better +source of randomness. It should be noted that both methods cannot be +used on servers that run without user interaction. =head1 RETURN VALUES -RAND_status() and RAND_event() return 1 if the PRNG has been seeded -with enough data, 0 otherwise. +RAND_status() returns 1 if the PRNG has been seeded with enough data, +0 otherwise. The other functions do not return values. @@ -72,6 +63,6 @@ L<RAND_load_file(3)|RAND_load_file(3)>, L<RAND_cleanup(3)|RAND_cleanup(3)> RAND_seed() and RAND_screen() are available in all versions of SSLeay and OpenSSL. RAND_add() and RAND_status() have been added in OpenSSL -0.9.5, RAND_event() in OpenSSL 0.9.5a. +0.9.5. =cut |