diff options
Diffstat (limited to 'lib/public_key/doc/src/public_key.xml')
| -rw-r--r-- | lib/public_key/doc/src/public_key.xml | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml index 7f68138497..258e7cd1b9 100644 --- a/lib/public_key/doc/src/public_key.xml +++ b/lib/public_key/doc/src/public_key.xml @@ -316,17 +316,17 @@ <p>Selects a group for Diffie-Hellman key exchange with the key size in the range <c>MinSize...MaxSize</c> and as close to <c>SuggestedSize</c> as possible. If <c>Groups == undefined</c> a default set will be used, otherwise the group is selected from <c>Groups</c>.</p> - <p>First is a size as close as possible to <c>SuggestedSize</c> selected. Then is one group with that key size - randomly selected from the list. If no size within the limits of <c>MinSize</c> and <c>MaxSize</c> is - available, <c>{error,no_group_found}</c> is returned.</p> - <p>The default list is in <c>lib/public_key/priv/ssh_moduli</c>. The format is as produced by the openssh tool - <c>ssh-keygen -G</c> followed by <c>ssh-keygen -T</c>. When that list is changed, <c>make</c> should be run in - <c>lib/public_key</c> to make it available for <c>dh_gex_group/4</c>.</p> - <note> - <p>If you change the default ssh_moduli file, be sure to run <c>ssh-keygen -T</c> as described - in the ssh-keygen manual. Failure to do so correctly will compromise the security of applications - relying on this function.</p> - </note> + <p>First a size, as close as possible to SuggestedSize, is selected. Then one group with that key size + is randomly selected from the specified set of groups. If no size within the limits of <c>MinSize</c> + and <c>MaxSize</c> is available, <c>{error,no_group_found}</c> is returned.</p> + <p>The default set of groups is listed in <c>lib/public_key/priv/moduli</c>. This file may be regenerated like this:</p> + <pre> + $> cd $ERL_TOP/lib/public_key/priv/ + $> generate + ---- wait until all background jobs has finished. It may take several days ! + $> cat moduli-* > moduli + $> cd ..; make + </pre> </desc> </func> |