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Subject:	gpg: fatal: zlib inflate problem __ when decrypting pgp files
Date:	Wed, 9 Mar 2005 11:08:13 -0500
Message-ID:	<93037AC02C65324EAB5014015C6E6D0502BCA9E5@frontpt7.fppartners.com>
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From:	"Kelly, Brendan" <bkelly AT fppartners DOT com>
To:	<cygwin AT cygwin DOT com>
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Gpg decryption is failing with error message:

gpg: fatal: zlib inflate problem: invalid distance too far back
secmem usage: 1632/2748 bytes in 4/8 blocks of pool 3136/32768

This is a new install of cygwin on new Win 2003 Server using:
Zlib 1.2.2-1
Gnupg 1.4.0-2

I've tested files from 2 different sources, both encrypted with PGP,
both fail same way. Files decrypt successfully on different machine with
older versions of cygwin and packages.

Any suggestions greatly appreciated!


Parital output from run with --debug-all follows. This is the tail end
of the output:

gpg: DBG: mpi_free
gpg: DBG: dummy m_size called
gpg: DBG: mpi_free_limb_space of size 0
gpg: DBG: mpi_free
gpg: DBG: dummy m_size called
gpg: DBG: mpi_free_limb_space of size 0
gpg: DBG: mpi_free
gpg: DBG: dummy m_size called
gpg: DBG: mpi_free_limb_space of size 0
gpg: DBG: iobuf-1.1: underflow: req=8192
gpg: DBG: iobuf-1.1: underflow: got=4165 rc=0
gpg: DBG: iobuf-1.2: push `decode_filter'
gpg: DBG: iobuf chain: 1.2 `decode_filter' filter_eof=0 start=0 len=0
gpg: DBG: iobuf chain: 1.1 `block_filter' filter_eof=0 start=10 len=4165
gpg: DBG: iobuf chain: 1.0 `file_filter(fd)' filter_eof=0 start=4447
len=8192
gpg: DBG: iobuf-1.2: underflow: req=8192
gpg: DBG: iobuf-1.1: underflow: req=8192
gpg: DBG: iobuf-1.1: underflow: got=0 rc=-1
gpg: DBG: free block_filter 0x10028290
gpg: DBG: iobuf-1.1: pop `(null)' in underflow (!len)
gpg: DBG: iobuf chain: 1.0 `file_filter(fd)' filter_eof=0 start=4447
len=8192
gpg: DBG: iobuf-1.0: underflow: eof
gpg: DBG: iobuf-1.2: underflow: got=4155 rc=0
gpg: DBG: iobuf-1.3: push `block_filter'
gpg: DBG: iobuf chain: 1.3 `block_filter' filter_eof=0 start=0 len=0
gpg: DBG: iobuf chain: 1.2 `decode_filter' filter_eof=0 start=2 len=4155
gpg: DBG: iobuf chain: 1.0 `file_filter(fd)' filter_eof=0 start=4447
len=8192
gpg: DBG: init block_filter 0x100280b0
gpg: DBG: parse_packet(iob=1): type=8 length=0 (new_ctb)
(parse./usr/src/gnupg-1.4.0/g10/mainproc.c.1149)
gpg: DBG: iobuf-1.3: underflow: req=8192
gpg: DBG: iobuf-1.2: underflow: req=8192
gpg: DBG: iobuf-1.0: underflow: req=8192
gpg: DBG: iobuf-1.0: underflow: got=8192 rc=0
gpg: DBG: iobuf-1.2: underflow: got=8192 rc=0
gpg: DBG: iobuf-1.3: underflow: got=4267 rc=0
gpg: DBG: iobuf-1.4: push `compress_filter'
gpg: DBG: iobuf chain: 1.4 `compress_filter' filter_eof=0 start=0 len=0
gpg: DBG: iobuf chain: 1.3 `block_filter' filter_eof=0 start=1 len=4267
gpg: DBG: iobuf chain: 1.2 `decode_filter' filter_eof=0 start=115
len=8192
gpg: DBG: iobuf chain: 1.0 `file_filter(fd)' filter_eof=0 start=4447
len=8192
gpg: DBG: iobuf-1.4: underflow: req=8192
gpg: DBG: begin inflate: avail_in=0, avail_out=8192, inbuf=2048
gpg: DBG: enter inflate: avail_in=2048, avail_out=8192
gpg: DBG: leave inflate: avail_in=1746, avail_out=7529, zrc=-3
gpg: fatal: zlib inflate problem: invalid distance too far back
secmem usage: 1632/2784 bytes in 4/8 blocks of pool 3136/32768



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