diff options
Diffstat (limited to 'contrib/file/magic/Magdir/pgp')
| -rw-r--r-- | contrib/file/magic/Magdir/pgp | 59 |
1 files changed, 7 insertions, 52 deletions
diff --git a/contrib/file/magic/Magdir/pgp b/contrib/file/magic/Magdir/pgp index 069c82eb8bef..d81883868b41 100644 --- a/contrib/file/magic/Magdir/pgp +++ b/contrib/file/magic/Magdir/pgp @@ -1,54 +1,11 @@ #------------------------------------------------------------------------------ -# $File: pgp,v 1.21 2020/03/20 17:11:05 christos Exp $ +# $File: pgp,v 1.25 2021/04/26 15:56:00 christos Exp $ # pgp: file(1) magic for Pretty Good Privacy + +# Handling of binary PGP keys is in pgp-binary-keys. # see https://lists.gnupg.org/pipermail/gnupg-devel/1999-September/016052.html # -# Update: Joerg Jenderek -# Note: verified by `gpg -v --debug 0x02 --list-packets < PUBRING263_10.PGP` -#0 byte 0x99 MAYBE PGP 0x99 -0 byte 0x99 -# 99h~10;0110;01~2=old packet type;tag 6=Public-Key Packet;1=two-octet length -# A two-octet body header encodes packet lengths of 192~00C0h - 8383~20BFh -#>1 ubeshort x \b, body length 0x%.4x -# skip Basic.Image Beauty.320 Pic.Icons by looking for low version number -#>3 ubyte x \b, V=%u -#>3 ubyte <5 VERSION OK ->3 ubyte <5 -# next packet type often b4h~(tag 13)~User ID Packet, b0h~(tag 12)~Trust packet -#>>(1.S+3) ubyte x \b, next packet type 0x%x -# skip 9900-v4.bin 9902-v4.bin by looking for valid second packet type (bit 7=1) -#>>(1.S+3) ubyte >0x7F TYPE OK, ->>(1.S+3) ubyte >0x7F -# old versions 2,3 implies Pretty Good Privacy ->>>3 ubyte <4 PGP key public ring (v%u) -!:mime application/pgp-keys -!:ext pgp/ASD ->>>>4 beldate x created %s -# days that this key is valid. If this number is zero, then it does not expire ->>>>8 ubeshort >0 \b, %u days valid ->>>>8 ubeshort =0 \b, not expire -# display key algorithm 1~RSA (Encrypt or Sign) ->>>>10 use key_algo -# Multiprecision Integers (MPI) size ->>>>11 ubeshort x %u bits -# MPI ->>>>13 ubequad x MPI=0x%16.16llx... -# new version implies Pretty Good Privacy (PGP) >= 5.0 or Gnu Privacy Guard (GPG) ->>>3 ubyte >3 PGP/GPG key public ring (v%u) -!:mime application/pgp-keys -!:ext pgp/gpg/pkr/asd ->>>>4 beldate x created %s -# display key algorithm 17~DSA ->>>>8 use key_algo -# Multiprecision Integers (MPI) size ->>>>9 ubeshort x %u bits ->>>>11 ubequad x MPI=0x%16.16llx... - -0 beshort 0x9501 PGP key security ring -!:mime application/x-pgp-keyring -0 beshort 0x9500 PGP key security ring -!:mime application/x-pgp-keyring 0 beshort 0xa600 PGP encrypted data #!:mime application/pgp-encrypted #0 string -----BEGIN\040PGP text/PGP armored data @@ -404,7 +361,7 @@ # we branch into the proper key size # signatures defined as x{keysize} ->0 name pgpkey +0 name pgpkey >0 string \x01\xd8 1024b >>2 use x1024 >0 string \x01\xeb 1024b @@ -582,8 +539,6 @@ # PGP RSA (e=65537) secret (sub-)key header -0 byte 0x95 PGP Secret Key - ->1 use pgpkey 0 byte 0x97 PGP Secret Sub-key - >1 use pgpkey 0 byte 0x9d @@ -591,9 +546,9 @@ # secret subkey packet (tag 7) with same structure as secret key packet (tag 5) # skip Fetus.Sys16 CALIBUS.MAIN OrbFix.Sys16.Ex by looking for positive len >1 ubeshort >0 -#>1 ubeshort x \b, body length 0x%x +#>1 ubeshort x \b, body length %#x # next packet type often 88h,89h~(tag 2)~Signature Packet -#>>(1.S+3) ubyte x \b, next packet type 0x%x +#>>(1.S+3) ubyte x \b, next packet type %#x # skip Dragon.SHR DEMO.INIT by looking for positive version >>3 ubyte >0 # skip BUISSON.13 GUITAR1 by looking for low version number @@ -609,7 +564,7 @@ >>>>>11 ubeshort x %db >>>>>4 beldate x created on %s - # old versions use 2 additional bytes after time stamp -#>>>>>8 ubeshort x 0x%x +#>>>>>8 ubeshort x %#x # display key algorithm 1~RSA Encrypt|Sign - 21~Diffie-Hellman >>>>>10 use key_algo >>>>>(11.S/8) ubequad x |