In <9905141503(_dot_)AA04090(_at_)h2np(_dot_)suginami(_dot_)tokyo(_dot_)jp>, on
05/14/99
at 10:03 AM, Hironobu Suzuki
<hironobu(_at_)h2np(_dot_)suginami(_dot_)tokyo(_dot_)jp> said:
If you send me a copy of the key I can analyze it for you.
Thanks. I'll send you it.
Hi,
I have done a partial analysis of the key. It should be noted that this is
not a key generated by PGP 6.5.x but it has been processed by it. The key
in question was generated & signed 1996-08-01, and it is a RSA public key.
The error is in the self signature which has a signature algorithm of '00'
which is an undefined and illegal value for a public key algorithm. Some
of the other signature items look questionable. I am not sure why a bad
signature would cause the servers to crash, it should not (I am not even
sure why a signature would affect the server at all).
I did a search on the Public Key Servers and could not find this key
(keyID 0x12D6870D) on any of them (or for that matter any PGP key for
<server-certs(_at_)thawte(_dot_)com>). I did find a copy of this key on the
NAI's
LDAP server.
As a side note:
There seems to be a problem with the LDAP search engine. A search of the
server by userID parameter of: server-certs(_at_)thawte(_dot_)com does not find
the
above key. A search by exact keyID does find the key.
A second side note:
I have my doubts about Thawte. I could not find their PGP key anywhere on
their site. In addition to this their SSL cert for their webpages expired
in '96 !!! This does not lend confidence to a CA, IMNSHO.
--
Analysis of the key follows:
Public Key Block:
=================
99 -- 1 0 0110 01 : Old format, Public Key, Next 2 octets Length
00 8F -- Length 143 octets
03 -- Version 3
31 FF F3 80 -- Creation Date: 1 Aug 1996
00 00 -- Expiration Date: Never
01 -- Public Key Algorithm: RSA
04 -> 0D -- MPI #1 Public Modulus n
04 00 -- MPI #1 Length 130 octets (128 + 2 length octets)
00 -> 01 -- MPI #2 Exponent e
00 11 -- MPI #2 Length 5 octets (3 + 2 length octets)
64 Bit KeyID: C2 B5 66 22 12 D6 87 0D
32 Bit KeyID: 12 D6 87 0D
Raw Data Block:
99 00 8F 03 31 FF F3 80 00 00 01 04 00 D3 A4 50
6E C8 FF 56 6B E6 CF 5D B6 EA 0C 68 75 47 A2 AA
C2 DA 84 25 FC A8 F4 47 51 DA 85 B5 20 74 94 86
1E 0F 75 C9 E9 08 61 F5 06 6D 30 6E 15 19 02 E9
52 C0 62 DB 4D 99 9E E2 6A 0C 44 38 CD FE BE E3
64 09 70 C5 FE B1 6B 29 B6 2F 49 C8 3B D4 27 04
25 10 97 2F E7 90 6D C0 28 42 99 D7 4C 43 DE C3
F5 21 6D 54 9F 5D C3 58 E1 C0 E4 D9 5B B0 B8 DC
B4 7B DF 36 3A C2 B5 66 22 12 D6 87 0D 00 11 01
00 01
UserID Block:
=============
B4 -- 1 0 1101 00 : Old format, UserID Key, Next octet length
2A -- Length 42 octets
54 -> 3E -- UserID
UserID: Thawte Server CA <server-certs(_at_)thawte(_dot_)com>
Raw Data:
B4 2A 54 68 61-77 74 65-20 53 65 72 76 65
72 20 43 41 20 3C 73 65-72 76 65 72 2D 63 65 72
74 73 40 74 68 61 77 74-65 2E 63 6F 6D 3E
Signature Block:
================
89 -- 1 0 0010 01 : Old format, Signature, Next 2 octets length
03 3A -- Length 826 octets
04 -- Version 4 signature
10 -- Signature on PubKey & UserID
00 -- Public Key Algorithm 0 <=== ERROR!!!
01 -- MD5 Hash
03 2D -- Hashed SubPacket Length 813 octets
05 -> 47 -- Hashed SubPacket Data
00 00 -- Unhashed SubPacket Length 0 octets
00 00 -- Left 16 bits signed hash value
00 01 -- MPI #1 length 3 octets (1 + 2 length octets)
01 -- MPI #1 RSA signature value m**d
Hashed SubPacket Data:
05 -- Length 5 octets
02 -- Type: Creation Date
31 FF F3 80 -- 1 Aug 1996
05 -- Length 5 octets
03 -- Type: Expiration Date
2D EE 72 7F --
03 -- Length 3
05 -- Type: Trust Signature
FF 78 -- Trust Level 255, Trust Amount 120 (complete)
C2 5B -- Length 795
64 -- Type: Unknown [100] Internal Use
Raw Data:
89 03
3A 04 10 00 01 03 2D 05-02 31 FF F3 80 05 03 2D
EE 72 7F 03 05 FF 78 C2-5B 64 01 01 03 30 82 03
13 30 82 02 7C A0 03 02-01 02 02 01 01 30 0D 06
09 2A 86 48 86 F7 0D 01-01 04 05 00 30 81 C4 31
0B 30 09 06 03 55 04 06-13 02 5A 41 31 15 30 13
06 03 55 04 08 13 0C 57-65 73 74 65 72 6E 20 43
61 70 65 31 12 30 10 06-03 55 04 07 13 09 43 61
70 65 20 54 6F 77 6E 31-1D 30 1B 06 03 55 04 0A
13 14 54 68 61 77 74 65-20 43 6F 6E 73 75 6C 74
69 6E 67 20 63 63 31 28-30 26 06 03 55 04 0B 13
1F 43 65 72 74 69 66 69-63 61 74 69 6F 6E 20 53
65 72 76 69 63 65 73 20-44 69 76 69 73 69 6F 6E
31 19 30 17 06 03 55 04-03 13 10 54 68 61 77 74
65 20 53 65 72 76 65 72-20 43 41 31 26 30 24 06
09 2A 86 48 86 F7 0D 01-09 01 16 17 73 65 72 76
65 72 2D 63 65 72 74 73-40 74 68 61 77 74 65 2E
63 6F 6D 30 1E 17 0D 39-36 30 38 30 31 30 30 30
30 30 30 5A 17 0D 32 30-31 32 33 31 32 33 35 39
35 39 5A 30 81 C4 31 0B-30 09 06 03 55 04 06 13
02 5A 41 31 15 30 13 06-03 55 04 08 13 0C 57 65
73 74 65 72 6E 20 43 61-70 65 31 12 30 10 06 03
55 04 07 13 09 43 61 70-65 20 54 6F 77 6E 31 1D
30 1B 06 03 55 04 0A 13-14 54 68 61 77 74 65 20
43 6F 6E 73 75 6C 74 69-6E 67 20 63 63 31 28 30
26 06 03 55 04 0B 13 1F-43 65 72 74 69 66 69 63
61 74 69 6F 6E 20 53 65-72 76 69 63 65 73 20 44
69 76 69 73 69 6F 6E 31-19 30 17 06 03 55 04 03
13 10 54 68 61 77 74 65-20 53 65 72 76 65 72 20
43 41 31 26 30 24 06 09-2A 86 48 86 F7 0D 01 09
01 16 17 73 65 72 76 65-72 2D 63 65 72 74 73 40
74 68 61 77 74 65 2E 63-6F 6D 30 81 9F 30 0D 06
09 2A 86 48 86 F7 0D 01-01 01 05 00 03 81 8D 00
30 81 89 02 81 81 00 D3-A4 50 6E C8 FF 56 6B E6
CF 5D B6 EA 0C 68 75 47-A2 AA C2 DA 84 25 FC A8
F4 47 51 DA 85 B5 20 74-94 86 1E 0F 75 C9 E9 08
61 F5 06 6D 30 6E 15 19-02 E9 52 C0 62 DB 4D 99
9E E2 6A 0C 44 38 CD FE-BE E3 64 09 70 C5 FE B1
6B 29 B6 2F 49 C8 3B D4-27 04 25 10 97 2F E7 90
6D C0 28 42 99 D7 4C 43-DE C3 F5 21 6D 54 9F 5D
C3 58 E1 C0 E4 D9 5B B0-B8 DC B4 7B DF 36 3A C2
B5 66 22 12 D6 87 0D 02-03 01 00 01 A3 13 30 11
30 0F 06 03 55 1D 13 01-01 FF 04 05 30 03 01 01
FF 30 0D 06 09 2A 86 48-86 F7 0D 01 01 04 05 00
03 81 81 00 07 FA 4C 69-5C FB 95 CC 46 EE 85 83
4D 21 30 8E CA D9 A8 6F-49 1A E6 DA 51 E3 60 70
6C 84 61 11 A1 1A C8 48-3E 59 43 7D 4F 95 3D A1
8B B7 0B 62 98 7A 75 8A-DD 88 4E 4E 9E 40 DB A8
CC 32 74 B9 6F 0D C6 E3-B3 44 0B D9 8A 6F 9A 29
9B 99 18 28 3B D1 E3 40-28 9A 5A 3C D5 B5 E7 20
1B 8B CA A4 AB 8D E9 51-D9 E2 4C 2C 59 A9 DA B9
B2 75 1B F6 42 F2 EF C7-F2 18 F9 89 BC A3 FF 8A
23 2E 70 47 00 00 00 00-00 01 01
--
---------------------------------------------------------------
William H. Geiger III http://www.openpgp.net
Geiger Consulting Cooking With Warp 4.0
Author of E-Secure - PGP Front End for MR/2 Ice
PGP & MR/2 the only way for secure e-mail.
OS/2 PGP 5.0 at: http://www.openpgp.net/pgp.html
Talk About PGP on IRC EFNet Channel: #pgp Nick: whgiii
Hi Jeff!! :)
---------------------------------------------------------------
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