+ use plain SHA1 for session key s2k negotiation
+ don't warn on some conditions when inflating (reading a compressed file)
since the conditions don't hold for partial block lengths
+ prompt for a passphrase when generating a new key - used in the upcoming
secret-sharing functionality for netpgp
+ add support for partial blocks, defined in rfc 4880, and used fairly
extensively by gnupg where the input size may not be known in advance
(e.g. for encrypted compressed data, as produced by default by gpg -e)
with their header files, it seems - insight from the tor project mailing
list).
And just so that the search engines can find it:
> In file included from ssh2pgp.c:39:
> /usr/include/arpa/inet.h:74: warning: 'struct in_addr' declared inside parameter list
> /usr/include/arpa/inet.h:74: warning: its scope is only this definition or declaration, which is probably not what you want
> /usr/include/arpa/inet.h:75: warning: 'struct in_addr' declared inside parameter list
> *** Error code 1
is fixed by including <netinet/in.h> before <arpa/inet.h> - found after a
long-distance debug session with Anthony Bentley - thanks!
Elgamal decryption code from Postgresql by Marko Kreen.
% cp config.h f
% netpgp -e f
netpgp: default key set to "d4a643c5"
% netpgp -d < f.gpg > f.netpgp
netpgp: default key set to "d4a643c5"
signature 1024/DSA 8222c3ecd4a643c5 2010-05-19 [EXPIRES 2013-05-18]
Key fingerprint: 3e4a 5df4 033b 2333 219b 1afd 8222 c3ec d4a6 43c5
uid Alistair Crooks (DSA TEST KEY - DO NOT USE) <agc@netbsd.org>
encryption 2048/Elgamal (Encrypt-Only) a97a7db6d727bc1e 2010-05-19 [EXPIRES 2013-05-18]
netpgp passphrase:
% ls -al f*
-rw-r--r-- 1 agc agc 5730 Nov 6 23:53 f
-rw------- 1 agc agc 1727 Nov 6 23:53 f.gpg
-rw-r--r-- 1 agc agc 5730 Nov 6 23:54 f.netpgp
% diff f f.netpgp
%
This makes DSA keys into first class citizens, since encryption and
decryption using DSA/Elgamal is now supported.
code is inspired by the (BSD-licensed) Elgamal crypto code in
Postgresql by Marko Kreen, but netpgp uses BIGNUM numbers instead of
MPIs, and its keys have a completely different structure, so much has
changed.
% cp config.h f
% netpgp -e f
netpgp: default key set to "d4a643c5"
% gpg -d f.gpg > f2
You need a passphrase to unlock the secret key for
user: "Alistair Crooks (DSA TEST KEY - DO NOT USE) <agc@netbsd.org>"
2048-bit ELG-E key, ID D727BC1E, created 2010-05-19 (main key ID D4A643C5)
gpg: encrypted with 2048-bit ELG-E key, ID D727BC1E, created 2010-05-19
"Alistair Crooks (DSA TEST KEY - DO NOT USE) <agc@netbsd.org>"
% diff f f2
% ls -al f*
-rw-r--r-- 1 agc agc 5730 Nov 6 05:40 f
-rw------- 1 agc agc 1727 Nov 6 05:40 f.gpg
-rw-r--r-- 1 agc agc 5730 Nov 6 05:41 f2
%
in the GNU autoconf infrastructure with ltmain.sh script - change all
occurrences of "$echo" to "$ECHO".
(Incidentally, this does not show up under pkgsrc, since pkgsrc uses
the platform's libtool instead of the script which comes with the
distribution)
``When netpgp thinks (even for a little while, even if it
should change its mind almost immediately) that it's
processing a detached signature, it sends a message to that
effect to io->outs.
This kind of interferes with "netpgp --cat" :)''
Use io->errs instead of io->outs for the informational message.
The patch fixes two problems when verifying a clearsigned message:
- a copy/paste error - "litdata" should be "cleartext"
- a use of an uninitialized variable, resulting in freeing
an uninitialized pointer on the stack... resulting in a segfault
+ add ability in netpgpkeys(1) to specify the cipher (symmetric algorithm)
as specified in RFC 5581
+ add the camellia cipher implementation from openssl
initialisation. return an error if allocation failed.
modify symmetric key initialisation function signature to return an
indication of success or failure.
get rid of one-time typedef for function definitions; their indirection
does not add any extra insight, and just obfuscates the declarations.
