Don't list prototypes for internal functions.

[openssl.git] / doc / crypto / RAND_add.pod

diff --git a/doc/crypto/RAND_add.pod b/doc/crypto/RAND_add.pod
index fe539198019340db48d7030cbaaadf735107d365..927c59d4c3a582b8af08068f8b11da06169b1763 100644 (file)
--- a/doc/crypto/RAND_add.pod
+++ b/doc/crypto/RAND_add.pod
@@ -10,7 +10,7 @@ RAND_add, RAND_seed, RAND_screen - Add entropy to the PRNG
 
  void RAND_seed(const void *buf, int num);
 
- void RAND_add(const void *buf, int num, int entropy);
+ void RAND_add(const void *buf, int num, double entropy);
 
  void RAND_screen(void);
 
@@ -22,18 +22,18 @@ increases the uncertainty about the state and makes the PRNG output
 less predictable. Suitable input comes from user interaction (random
 key presses, mouse movements) and certain hardware events. The
 B<entropy> argument is (the lower bound of) an estimate of how much
-randomness is contained in B<buf>. Details about sources of randomness
-and how to estimate their entropy can be found in the literature,
-e.g. RFC 1750.
+randomness is contained in B<buf>, measured in bytes. Details about
+sources of randomness and how to estimate their entropy can be found
+in the literature, e.g. RFC 1750.
 
 RAND_add() may be called with sensitive data such as user entered
 passwords. The seed values cannot be recovered from the PRNG output.
 
 OpenSSL makes sure that the PRNG state is unique for each thread. On
-systems that provide C</dev/random>, the randomness device is used
+systems that provide C</dev/urandom>, the randomness device is used
 to seed the PRNG transparently. However, on all other systems, the
 application is responsible for seeding the PRNG by calling RAND_add()
-or RAND_load_file(3).
+or L<RAND_load_file(3)|RAND_load_file(3)>.
 
 RAND_seed() is equivalent to RAND_add() when B<num == entropy>.
 
@@ -50,7 +50,7 @@ These functions do not return values.
 
 =head1 SEE ALSO
 
-rand(3), RAND_load_file(3), RAND_cleanup(3)
+L<rand(3)|rand(3)>, L<RAND_load_file(3)|RAND_load_file(3)>, L<RAND_cleanup(3)|RAND_cleanup(3)>
 
 =head1 HISTORY