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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/gcrypt.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/gcrypt.texi b/doc/gcrypt.texi index 927634f1..97dac1c8 100644 --- a/doc/gcrypt.texi +++ b/doc/gcrypt.texi @@ -766,6 +766,14 @@ not an issue when using Linux (rndlinux driver), because this one guarantees to read full 16 bytes from /dev/urandom and thus there is no way for an attacker without kernel access to control these 16 bytes. +@item GCRYCTL_CLOSE_RANDOM_DEVICE; Arguments: none +Try to close the random device. If on Unix system you call fork(), +the child process does no call exec(), and you do not intend to use +Libgcrypt in the child, it might be useful to use this control code to +close the inherited file descriptors of the random device. If +Libgcrypt is later used again by the child, the device will be +re-opened. On non-Unix systems this control code is ignored. + @item GCRYCTL_SET_VERBOSITY; Arguments: int level This command sets the verbosity of the logging. A level of 0 disables all extra logging whereas positive numbers enable more verbose logging. @@ -1355,6 +1363,10 @@ values for @var{what} are defined: Not enough entropy is available. @var{total} holds the number of required bytes. +@item wait_dev_random +Waiting to re-open a random device. @var{total} gives the number of +seconds until the next try. + @item primegen Values for @var{printchar}: @table @code |