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author | David Shaw <dshaw@jabberwocky.com> | 2007-10-26 06:16:42 +0200 |
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committer | David Shaw <dshaw@jabberwocky.com> | 2007-10-26 06:16:42 +0200 |
commit | 92cc7c2d34eddc08d0b614b2fac9efd6f6321cd9 (patch) | |
tree | e4dfea6877845becc9e886b3cbd22d81c7fa7071 /doc/gpg.texi | |
parent | Ported changes from 1.4. (diff) | |
download | gnupg2-92cc7c2d34eddc08d0b614b2fac9efd6f6321cd9.tar.xz gnupg2-92cc7c2d34eddc08d0b614b2fac9efd6f6321cd9.zip |
* gpg.texi: Clarify --force-v3-sigs, --pgp2, and --pgp6 a bit.
Diffstat (limited to '')
-rw-r--r-- | doc/gpg.texi | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/doc/gpg.texi b/doc/gpg.texi index 409320a7c..d2814cd1b 100644 --- a/doc/gpg.texi +++ b/doc/gpg.texi @@ -1845,16 +1845,15 @@ normally you would use @option{--sign} or @option{--clearsign} to select the type of the signature. @end ifset - - @item --force-v3-sigs @itemx --no-force-v3-sigs OpenPGP states that an implementation should generate v4 signatures but PGP versions 5 through 7 only recognize v4 signatures on key material. This option forces v3 signatures for signatures on data. -Note that this option overrides @option{--ask-sig-expire}, as v3 signatures -cannot have expiration dates. @option{--no-force-v3-sigs} disables this -option. +Note that this option overrides @option{--ask-sig-expire}, +@option{--sig-policy-url}, @option{--sig-notation}, and +@option{--sig-keyserver-url}, as these features cannot be used with v3 +signatures. @option{--no-force-v3-sigs} disables this option. @item --force-v4-certs @itemx --no-force-v4-certs @@ -1975,11 +1974,10 @@ a message that PGP 2.x will not be able to handle. Note that `PGP 2.x' here means `MIT PGP 2.6.2'. There are other versions of PGP 2.x available, but the MIT release is a good common baseline. -This option implies @option{--rfc1991 --disable-mdc --no-force-v4-certs ---no-sk-comment --escape-from-lines --force-v3-sigs --no-ask-sig-expire ---no-ask-cert-expire --cipher-algo IDEA --digest-algo MD5 ---compress-algo 1}. It also disables @option{--textmode} when -encrypting. +This option implies @option{--rfc1991 --disable-mdc +--no-force-v4-certs --no-sk-comment --escape-from-lines +--force-v3-sigs --cipher-algo IDEA --digest-algo MD5 --compress-algo +ZIP}. It also disables @option{--textmode} when encrypting. @item --pgp6 @opindex pgp6 @@ -1991,7 +1989,7 @@ compression algorithms none and ZIP. This also disables does not understand signatures made by signing subkeys. This option implies @option{--disable-mdc --no-sk-comment ---escape-from-lines --force-v3-sigs --no-ask-sig-expire}. +--escape-from-lines --force-v3-sigs}. @item --pgp7 @opindex pgp7 @@ -2709,10 +2707,11 @@ standard. In particular, GnuPG implements many of the optional parts of the standard, such as the SHA-512 hash, and the ZLIB and BZIP2 compression algorithms. It is important to be aware that not all OpenPGP programs implement these optional algorithms and that by -forcing their use via the @option{--cipher-algo}, @option{--digest-algo}, -@option{--cert-digest-algo}, or @option{--compress-algo} options in GnuPG, it is -possible to create a perfectly valid OpenPGP message, but one that -cannot be read by the intended recipient. +forcing their use via the @option{--cipher-algo}, +@option{--digest-algo}, @option{--cert-digest-algo}, or +@option{--compress-algo} options in GnuPG, it is possible to create a +perfectly valid OpenPGP message, but one that cannot be read by the +intended recipient. There are dozens of variations of OpenPGP programs available, and each supports a slightly different subset of these optional algorithms. |