linux-kernel - [PATCH v1 4/4] keys, trusted: update documentation for 'hash=' option

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Message-Id: <1446134370-11460-5-git-send-email-jarkko.sakkinen@linux.intel.com>
Date:	Thu, 29 Oct 2015 17:59:28 +0200
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	Peter Huewe <peterhuewe@....de>,
	Marcel Selhorst <tpmdd@...horst.net>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	David Howells <dhowells@...hat.com>
Cc:	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, keyrings@...r.kernel.org,
	chris.j.arges@...onical.com, seth.forshee@...onical.com,
	colin.king@...onical.com, josh@...htriplett.org,
	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	David Safford <safford@...ibm.com>,
	Jonathan Corbet <corbet@....net>,
	linux-doc@...r.kernel.org (open list:DOCUMENTATION)
Subject: [PATCH v1 4/4] keys, trusted: update documentation for 'hash=' option

Documented 'hash=' option.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
---
 Documentation/security/keys-trusted-encrypted.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/security/keys-trusted-encrypted.txt b/Documentation/security/keys-trusted-encrypted.txt
index e105ae9..fd2565b 100644
--- a/Documentation/security/keys-trusted-encrypted.txt
+++ b/Documentation/security/keys-trusted-encrypted.txt
@@ -38,6 +38,9 @@ Usage:
        pcrlock=	  pcr number to be extended to "lock" blob
        migratable= 0|1 indicating permission to reseal to new PCR values,
                    default 1 (resealing allowed)
+       hash=      hash algorithm name as a string. For TPM 1.x the only
+                  allowed value is sha1. For TPM 2.x the allowed values
+		  are sha1, sha256, sha384, sha512 and sm3-256.
 
 "keyctl print" returns an ascii hex copy of the sealed key, which is in standard
 TPM_STORED_DATA format.  The key length for new keys are always in bytes.
-- 
2.5.0

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