diff options
Diffstat (limited to 'lib/public_key/doc/src/public_key.xml')
| -rw-r--r-- | lib/public_key/doc/src/public_key.xml | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml index b247618efc..258e7cd1b9 100644 --- a/lib/public_key/doc/src/public_key.xml +++ b/lib/public_key/doc/src/public_key.xml @@ -299,6 +299,37 @@ </desc> </func> + <func> + <name>dh_gex_group(MinSize, SuggestedSize, MaxSize, Groups) -> {ok, {Size,Group}} | {error,Error}</name> + <fsummary>Selects a group for Diffie-Hellman key exchange</fsummary> + <type> + <v>MinSize = positive_integer()</v> + <v>SuggestedSize = positive_integer()</v> + <v>MaxSize = positive_integer()</v> + <v>Groups = undefined | [{Size,[{G,P}]}]</v> + <v>Size = positive_integer()</v> + <v>Group = {G,P}</v> + <v>G = positive_integer()</v> + <v>P = positive_integer()</v> + </type> + <desc> + <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 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> + <func> <name>encrypt_private(PlainText, Key) -> binary()</name> <fsummary>Public-key encryption using the private key.</fsummary> |