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Sicherung

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This commit is contained in:
Werner Koch 1998-06-09 15:14:06 +00:00
parent ef75fa1802
commit 1ece02aa54
33 changed files with 704 additions and 766 deletions
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15
cipher/rand-unix.c
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@ -124,15 +124,22 @@ read_random_source( byte *buffer, size_t length, int level )
int n;
int warn=0;
if( level == 2 ) {
if( level >= 2 ) {
if( fd_random == -1 )
fd_random = open_device( "/dev/random", 8 );
fd = fd_random;
}
else if( level == 1 ) {
if( fd_urandom == -1 )
fd_urandom = open_device( "/dev/urandom", 9 );
fd = fd_urandom;
}
else {
/* fixme: we should use a simpler one for level 0,
* because reading from /dev/urandom removes entropy
* and the next read on /dev/random may have to wait */
/* This is level 0, which only yields simple random bytes.
* We do not use /dev/urandom as this would remove entropy
* from the kernel entropy pool */
/* FIXME !!!! */
if( fd_urandom == -1 )
fd_urandom = open_device( "/dev/urandom", 9 );
fd = fd_urandom;