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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/gpg.sgml | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/gpg.sgml b/doc/gpg.sgml index d1dd56671..fefaeee58 100644 --- a/doc/gpg.sgml +++ b/doc/gpg.sgml @@ -581,6 +581,9 @@ The second form of the command has the special property to render the secret part of the primary key useless; this is a GNU extension to OpenPGP and other implementations can not be expected to successfully import such a key. + +See the option --simple-sk-checksum if you want to import such an +exported key with an older OpenPGP implementation. </para></listitem></varlistentry> @@ -1325,6 +1328,18 @@ for conventional encryption. <varlistentry> +<term>--simple-sk-checksum</term> +<listitem><para> +Secret keys are integrity protected by using a SHA-1 checksum. This +method will be part of an enhanced OpenPGP specification but GnuPG +already uses it as a countermeasure against certain attacks. Old +applications don't understand this new format, so this option may be +used to switch back to the old behaviour. Using this this option +bears a security risk. +</para></listitem></varlistentry> + + +<varlistentry> <term>--compress-algo &ParmN;</term> <listitem><para> Use compression algorithm &ParmN;. Default is 2 which is RFC1950 |