aboutsummaryrefslogtreecommitdiffstats
path: root/lib/public_key/doc/src/public_key.xml
diff options
context:
space:
mode:
authorHans Nilsson <[email protected]>2015-11-05 17:39:46 +0100
committerHans Nilsson <[email protected]>2015-11-05 17:39:46 +0100
commitdf622b62f72b6509505b32380fbb88203616868d (patch)
tree5f3dcc087b16917c8e535649c271c49433b49c0b /lib/public_key/doc/src/public_key.xml
parent447a9b574f26cc81ed09be4ec1afafea8de924c5 (diff)
downloadotp-df622b62f72b6509505b32380fbb88203616868d.tar.gz
otp-df622b62f72b6509505b32380fbb88203616868d.tar.bz2
otp-df622b62f72b6509505b32380fbb88203616868d.zip
ssh, public_key: updates after doc review
Diffstat (limited to 'lib/public_key/doc/src/public_key.xml')
-rw-r--r--lib/public_key/doc/src/public_key.xml22
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>