From 230d87133609c3481749080d4370ecec4d3c22f0 Mon Sep 17 00:00:00 2001 From: Werner Koch Date: Mon, 10 Mar 2003 09:59:33 +0000 Subject: [PATCH] * compress.c (init_uncompress): Use a 15 bit window size so that the output of implementations which don't run for PGP 2 compatibility won't get garbled. --- g10/ChangeLog | 6 ++++++ g10/compress.c | 7 ++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/g10/ChangeLog b/g10/ChangeLog index 4b6ea0c8d..f27f87306 100644 --- a/g10/ChangeLog +++ b/g10/ChangeLog @@ -1,3 +1,9 @@ +2003-03-10 Werner Koch + + * compress.c (init_uncompress): Use a 15 bit window size so that + the output of implementations which don't run for PGP 2 + compatibility won't get garbled. + 2003-03-04 David Shaw * trustdb.c (validate_keys): Mask the ownertrust when building the diff --git a/g10/compress.c b/g10/compress.c index b11f148c3..8d9327cc3 100644 --- a/g10/compress.c +++ b/g10/compress.c @@ -125,8 +125,13 @@ init_uncompress( compress_filter_context_t *zfx, z_stream *zs ) * PGP uses a windowsize of 13 bits. Using a negative value for * it forces zlib not to expect a zlib header. This is a * undocumented feature Peter Gutmann told me about. + * + * We must use 15 bits for the inflator because CryptoEx uses 15 + * bits thus the output would get scrambled w/o error indication + * if we would use 13 bits. For the uncompressing this does not + * matter at all. */ - if( (rc = zfx->algo == 1? inflateInit2( zs, -13) + if( (rc = zfx->algo == 1? inflateInit2( zs, -15) : inflateInit( zs )) != Z_OK ) { log_fatal("zlib problem: %s\n", zs->msg? zs->msg : rc == Z_MEM_ERROR ? "out of core" :