On 09/24/2010 11:53 AM, David Shaw wrote: > There is actually a defined field for this in OpenPGP (see section 5.2.3.22, > Signer's User ID). I don't think anyone implements it though.
Ah, so there is! Thanks, David. >> However, testing right now, it doesn't seem to work with gpg for regular >> data signatures: >> >> echo test | gpg --sign --set-notation 't...@example.org=test' | \ >> gpg --list-packets >> >> does not show the notation :( > > It works for me. I even cut and paste your exact command line. > > hashed subpkt 20 len 28 (notation: t...@example.org=test) Weird. What am i doing wrong? what version of gpg are you using? Here's my full transcript: >> 0 d...@pip:~$ echo test | gpg --sign --set-notation 't...@example.org=test' >> | gpg --list-packets >> >> You need a passphrase to unlock the secret key for >> user: "Daniel Kahn Gillmor <d...@fifthhorseman.net>" >> 4096-bit RSA key, ID D21739E9, created 2007-06-02 >> >> :compressed packet: algo=1 >> :onepass_sig packet: keyid CCD2ED94D21739E9 >> version 3, sigclass 0x00, digest 10, pubkey 1, last=1 >> :literal data packet: >> mode b (62), created 1285346618, name="", >> raw data: 5 bytes >> :signature packet: algo 1, keyid CCD2ED94D21739E9 >> version 3, created 1285346618, md5len 5, sigclass 0x00 >> digest algo 10, begin of digest d5 88 >> data: [4096 bits] >> 0 d...@pip:~$ gpg --version >> gpg (GnuPG) 1.4.10 >> Copyright (C) 2008 Free Software Foundation, Inc. >> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> >> This is free software: you are free to change and redistribute it. >> There is NO WARRANTY, to the extent permitted by law. >> >> Home: ~/.gnupg >> Supported algorithms: >> Pubkey: RSA, RSA-E, RSA-S, ELG-E, DSA >> Cipher: 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH, CAMELLIA128, >> CAMELLIA192, CAMELLIA256 >> Hash: MD5, SHA1, RIPEMD160, SHA256, SHA384, SHA512, SHA224 >> Compression: Uncompressed, ZIP, ZLIB, BZIP2 >> 0 d...@pip:~$ --dkg
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