linux-kernel - [RFC v2 5/6] kernel/sysdata_signing: export data_verify

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Date:	Wed, 13 May 2015 11:23:55 -0700
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	ming.lei@...onical.com, rusty@...tcorp.com.au
Cc:	torvalds@...ux-foundation.org, dhowells@...hat.com,
	seth.forshee@...onical.com, linux-kernel@...r.kernel.org,
	pebolle@...cali.nl, linux-wireless@...r.kernel.org,
	gregkh@...uxfoundation.org, jlee@...e.com, tiwai@...e.de,
	casey@...aufler-ca.com, keescook@...omium.org, mjg59@...f.ucam.org,
	akpm@...ux-foundation.org, "Luis R. Rodriguez" <mcgrof@...e.com>,
	Kyle McMartin <kyle@...nel.org>
Subject: [RFC v2 5/6] kernel/sysdata_signing: export data_verify_pkcs7()

From: "Luis R. Rodriguez" <mcgrof@...e.com>

This will be used for firmware signature check support.

Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: David Howells <dhowells@...hat.com>
Cc: Ming Lei <ming.lei@...onical.com>
Cc: Seth Forshee <seth.forshee@...onical.com>
Cc: Kyle McMartin <kyle@...nel.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
---
 kernel/sysdata-internal.h | 2 ++
 kernel/sysdata_signing.c  | 5 +++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/kernel/sysdata-internal.h b/kernel/sysdata-internal.h
index 0aa573e..52a5c42 100644
--- a/kernel/sysdata-internal.h
+++ b/kernel/sysdata-internal.h
@@ -10,3 +10,5 @@
  */
 
 extern int sysdata_verify_sig(const void *data, unsigned long *_len);
+int data_verify_pkcs7(const void *data, unsigned long len,
+		      const void *raw_pkcs7, size_t pkcs7_len);
diff --git a/kernel/sysdata_signing.c b/kernel/sysdata_signing.c
index adc44d4..6759c54 100644
--- a/kernel/sysdata_signing.c
+++ b/kernel/sysdata_signing.c
@@ -39,8 +39,8 @@ struct sysdata_signature {
 /*
  * Verify a PKCS#7-based signature on system data.
  */
-static int data_verify_pkcs7(const void *data, unsigned long len,
-			     const void *raw_pkcs7, size_t pkcs7_len)
+int data_verify_pkcs7(const void *data, unsigned long len,
+		      const void *raw_pkcs7, size_t pkcs7_len)
 {
 	struct pkcs7_message *pkcs7;
 	bool trusted;
@@ -75,6 +75,7 @@ error:
 	pr_devel("<==%s() = %d\n", __func__, ret);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(data_verify_pkcs7);
 
 /*
  * Verify the signature on system data.
-- 
2.3.2.209.gd67f9d5.dirty

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