2009-09-24 19:28:35

by Rajiv Andrade

[permalink] [raw]
Subject: [PATCH] TPM: increase default TPM buffer

The TPM Working Group requested this communication buffer increase given that a
particular TPM vendor can support a TPM_SHA1Start command input bigger than the
current size.

Signed-off-by: Rajiv Andrade <[email protected]>
---
drivers/char/tpm/tpm.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index b0603b2..f4c68ab 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -31,7 +31,7 @@

enum tpm_const {
TPM_MINOR = 224, /* officially assigned */
- TPM_BUFSIZE = 2048,
+ TPM_BUFSIZE = 4096,
TPM_NUM_DEVICES = 256,
};

--
1.6.3.1



2009-09-24 20:49:21

by James Morris

[permalink] [raw]
Subject: Re: [PATCH] TPM: increase default TPM buffer

On Thu, 24 Sep 2009, Rajiv Andrade wrote:

> The TPM Working Group requested this communication buffer increase given that a
> particular TPM vendor can support a TPM_SHA1Start command input bigger than the
> current size.
>
> Signed-off-by: Rajiv Andrade <[email protected]>


Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next


--
James Morris
<[email protected]>