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Author SHA1 Message Date
Brandon Weeks
58786a4742 Target gofuzz build tag instead of cgo 
go-fuzz + libFuzzer can't be built with `CGO_ENABLED=0`.
 2019-10-08 17:52:40 +11:00
Brandon Weeks
355782cbf9 Fix building without cgo 2019-10-08 17:19:02 +11:00
Brandon Weeks
59a5f6851d Simple fuzzer for ParseEventLog 2019-10-08 16:09:51 +11:00
Tom D
de6a3af7e4
Add config struct for AttestPlatform(), to configure event log source (#118) 2019-10-03 11:09:32 -07:00
Tom D
56dc743f14
Support AIKPublic.validate20Quote() consuming PCRs not part of the quote (#115) 2019-09-26 15:11:31 -07:00
Eric Chiang
5d5d6d83ca
Merge pull request #114 from ericchiang/mod 
go.mod: update using "go mod tidy"
 2019-09-26 13:09:43 -07:00
Eric Chiang
ebcdccf2d5 go.mod: update using "go mod tidy" 
After removing proto and verifier packages we no longer need the
protobuf package.
 2019-09-26 13:06:07 -07:00
Tom D
20ad7d44ab
Implement helper method + struct for getting a platform attestation (#113) 2019-09-26 13:00:20 -07:00
Tom D
82c790063a
Support verifying the event log with multiple PCR values for a given PCR (#112) 2019-09-25 14:50:17 -07:00
Tom D
d029846083
Remove proto/ & verifier/ (#111) 2019-09-25 13:10:20 -07:00
Tom D
3381804469
Expose information about a failing replay via ReplayErr structure (#110) 2019-09-24 11:03:21 -07:00
Tom D
cf79e026c5
Implement fmt.Stringer on HashAlg (#109) 2019-09-23 12:37:40 -07:00
Tom D
b60a7ccac1
Update to latest go-tpm (#106) 2019-09-20 12:45:57 -07:00
Eric Chiang
7c4daab11e
Merge pull request #107 from ericchiang/lint 
attest: address lint feedback
 2019-09-20 12:37:20 -07:00
Eric Chiang
51b8d116ec attest: address lint feedback 
* Make comment directly above _ import
* Fix godoc for AttestationParameters
* Don't declare variable and assign the zero value (var x int = 0)
 2019-09-20 10:34:07 -07:00
Tom D
0f650714d9
Fix verification errors for quotes generated using AK's with SigScheme.Hash = SHA1 (#105) 
* Remove artificial requirement for composite digest to match PCR bank digest
 2019-09-20 09:07:49 -07:00
Eric Chiang
6fb354c252
Merge pull request #104 from ericchiang/measurement-hash 
attest: expose algorithms used in measurement log
 2019-09-19 16:02:57 -07:00
Eric Chiang
33a0bbe4ea attest: expose algorithms used in measurement log 
Expose the algorithms that are used in the measurement log. This lets
clients generate PCR measurements that match their log digests.
 2019-09-19 15:28:22 -07:00
Eric Chiang
c251eb0fbd
Merge pull request #101 from ericchiang/api 
attest: don't define exported API in files with build tags
 2019-09-19 13:58:37 -07:00
Eric Chiang
39d2f6efff attest: don't define exported API in files with build tags 
It's best practice to define as much code, especially exported API, in
files that can build on any platform. With as little code as possible in
OS specific files.

Ensure files with build tags don't contain any exported APIs. This helps
us not accidentally define API that only works on one platform, or have
incompatible method defintions between OSes.

TODO: follow up with an "unsupported" implementation so this builds on
Mac or without CGO (e.g. for servers)?
 2019-09-19 13:50:38 -07:00
Tom D
a406c399ba
Add error for passing non-SHA1 algorithm to Quote() on TPM1.2, compute the go-tpm/tpm2 alg in more standard way (#100) 2019-09-18 10:16:00 -07:00
Tom D
e7e8befcc7
Fix 'failed to verify quote: quote used unknown tpm version 0x0' (#99) 2019-09-13 13:03:26 -07:00
Tom D'Netto
cb4db13ccf Upgrade go-tpm to v0.2.0 2019-09-09 12:06:23 -07:00
Eric Chiang
cbf14e4244 internal/eventlog: only trust the first time an event is written to the log (#95) 
Ensure an attacker can't alter the value we interpret by appending an entry of
the same type to the eventlog. Don't worry about events that come before the
EV_SEPARATOR for now.
 2019-09-06 10:20:43 -07:00
Tom D
6242485b62
Write overview of the credential activation procedure (#93) 2019-09-05 13:03:58 -07:00
Eric Chiang
2d51b89cfa
Merge pull request #94 from ericchiang/sb 
internal/eventlog: add code for parsing secure boot variables
 2019-09-04 16:47:47 -07:00
Eric Chiang
9021153e89 internal/eventlog: add code for parsing secure boot variables 
This is being prototyped in an internal package as we start to open
source. This code will either live in attest, or in a separate eventlog
package in the future.
 2019-09-04 14:25:48 -07:00
Tom D
07feb34890
Add example for AIKPublic.Verify (#89) 2019-08-29 11:26:42 -07:00
Tom D
0f580b1efd
Update README with installation notes (#88) 2019-08-29 09:36:35 -07:00
Tom D
4ef1479ae1
Separate quote verification from EventLog API #85 (#87) 2019-08-28 16:59:46 -07:00
Eric Chiang
2ad969b54a
Merge pull request #86 from ericchiang/mint 
attest: rename MintAIK and MintOptions to NewAIK and AIKConfig
 2019-08-28 09:32:37 -07:00
Eric Chiang
e688ff6d7f attest: rename MintAIK and MintOptions to NewAIK and AIKConfig 
This helps the godoc read better and is more inline with Go's naming
scheme. No functional changes made, just naming.
 2019-08-28 09:25:14 -07:00
Tom D
fefdb7d336
Add quote example, add note to Activation.Generate() about use of subtle to prevent timing attacks (#84) 2019-08-27 16:15:48 -07:00
Tom D
d2afca77f5
Implement example for AIK creation and activation. (#83) 2019-08-27 12:40:58 -07:00
Eric Chiang
78755e7a91 attest: remove Log statements from tests (#81) 
Tests generally shouldn't print anything unless they fail.
 2019-08-21 10:28:55 -07:00
Eric Chiang
9b6caf1273 attest: use provided randomness source when generating challenges (#80) 
Currently the activation challenge lets a caller supply a source of
randomness other than crypto/rand, but it's not used in some places.
Plumb the source through the call chain.
 2019-08-21 10:28:19 -07:00
Eric Chiang
bfcbe8f1e2 attest: re-work EK API (#79) 
This PR adds:
* Renames 'PlatformEK' to 'EK'
* More consistant support of EKs without certificates
* Removes HTTP GET to Intel EK certificate service
* Always populates EK.Public
 2019-08-21 10:26:55 -07:00
Eric Chiang
cd07b32602 attest: add testdata for crypto agile event (#82) 
Test data copied from
https://github.com/mwiseman32/Attestation-annotation
 2019-08-21 10:00:18 -07:00
Tom D
6e2e8693ad
75: Make PCRs() take the digest algorithm (#77) 2019-08-20 11:52:12 -07:00
Eric Chiang
6b09d5331a
Merge pull request #64 from ericchiang/eventlog 
attest: add event log parsing logic
 2019-08-20 10:09:48 -07:00
Eric Chiang
262599a8df attest: add event log parsing logic 
This PR adds event log parsing logic. It's main goal is to require
validation at the same time as parsing, so structured events are always
verified against a quote. This new API replaces the exisitng "verifier"
package.

It's not a goal of this PR to parse the event data. This will be a
follow up, but since different users might want to parse different
events based on the OS, this API lets users of this package implement
custom event data parsing if they absolutely need to.
 2019-08-19 23:50:31 -07:00
Pwpon500
e6f0fc6196 Turn appropriate RSAParameter calls into function calls (#71) 2019-08-16 07:33:28 -07:00
Tom D
a1822903b4
Add dump mode to attest-tool. (#70) 2019-08-13 14:53:38 -07:00
Tom D
3d58c70c6a
Add firmware version to TPMInfo for TPM 2.0 devices. (#67) 2019-08-08 11:31:09 +10:00
Eric Chiang
3a523cf51f
Merge pull request #62 from ericchiang/aik_pub 
attest: move public key parsing server side
 2019-08-07 08:05:08 -07:00
Tom D
55b3a2dc04
Update vendors list (#57) 2019-08-06 16:47:13 -07:00
Eric Chiang
7d7676beda attest: move public key parsing server side 
Event log parsing requires knowning both the public key and signing
parameters. Symmantically, this information should be from an attested
public key blob, not additional data passed by the client.

Introduce a new method for parsing an AIK's public key blob, returning
a new AIKPublic struct.
 2019-08-06 11:09:20 -07:00
Eric Chiang
59036c6bcb
Merge pull request #60 from ericchiang/key_purpose 
attest: remove unused KeyPurpose exported type
 2019-08-06 09:48:50 -07:00
Eric Chiang
8e83383df9 attest: improve documentation of ActivateCredential (#61) 2019-08-05 17:39:57 -07:00
Eric Chiang
9020140437 attest-tool: aik.json shouldn't be executable (#65) 2019-08-05 17:39:25 -07:00