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gpg: Remove options --pgp2 and --rfc1991.

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* g10/gpg.c (oRFC1991, oPGP2): Remove
(opts): Remove --pgp2 and --rfc1991.
* g10/options.h (CO_PGP2, CO_RFC1991): Remove.  Remove all users.
(RFC2440, PGP2): Remove.  Remove all code only enabled by these
conditions.
* tests/openpgp/clearsig.test: Remove --rfc1991 test.
--

The use of PGP 2.c is considered insecure for quite some time
now (e.g. due to the use of MD5).  Thus we remove all support for
_creating_ PGP 2 compatible messages.
This commit is contained in:
Werner Koch 2014-08-12 10:36:30 +02:00
parent 49c9a958e0
commit 2b8d8369d5
14 changed files with 51 additions and 249 deletions
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2
g10/cipher.c
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@ -56,7 +56,7 @@ write_header( cipher_filter_context_t *cfx, IOBUF a )
memset( &ed, 0, sizeof ed );
ed.len = cfx->datalen;
ed.extralen = blocksize+2;
ed.new_ctb = !ed.len && !RFC1991;
ed.new_ctb = !ed.len;
if( cfx->dek->use_mdc ) {
ed.mdc_method = DIGEST_ALGO_SHA1;
gcry_md_open (&cfx->mdc_hash, DIGEST_ALGO_SHA1, 0);