linux-kernel - [PATCH 02/23] KEYS: Move the algorithm pointer array from x509 to public

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Date:	Tue, 30 Oct 2012 19:19:45 +0000
From:	David Howells <dhowells@...hat.com>
To:	rusty@...tcorp.com.au
Cc:	dhowells@...hat.com, pjones@...hat.com, jwboyer@...hat.com,
	mjg@...hat.com, dmitry.kasatkin@...el.com,
	zohar@...ux.vnet.ibm.com, keescook@...omium.org,
	keyrings@...ux-nfs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/23] KEYS: Move the algorithm pointer array from x509 to
 public_key.c

Move the public-key algorithm pointer array from x509_public_key.c to
public_key.c as it isn't X.509 specific.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 crypto/asymmetric_keys/public_key.c      |    8 ++++++++
 crypto/asymmetric_keys/x509_public_key.c |   11 +----------
 include/crypto/public_key.h              |    1 +
 3 files changed, 10 insertions(+), 10 deletions(-)


diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index b313df1..796ce08 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -28,6 +28,14 @@ const char *const pkey_algo_name[PKEY_ALGO__LAST] = {
 };
 EXPORT_SYMBOL_GPL(pkey_algo_name);
 
+const struct public_key_algorithm *pkey_algo[PKEY_ALGO__LAST] = {
+#if defined(CONFIG_PUBLIC_KEY_ALGO_RSA) || \
+	defined(CONFIG_PUBLIC_KEY_ALGO_RSA_MODULE)
+	[PKEY_ALGO_RSA]		= &RSA_public_key_algorithm,
+#endif
+};
+EXPORT_SYMBOL_GPL(pkey_algo);
+
 const char *const pkey_hash_algo_name[PKEY_HASH__LAST] = {
 	[PKEY_HASH_MD4]		= "md4",
 	[PKEY_HASH_MD5]		= "md5",
diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c
index afbbc36..fe38628 100644
--- a/crypto/asymmetric_keys/x509_public_key.c
+++ b/crypto/asymmetric_keys/x509_public_key.c
@@ -23,15 +23,6 @@
 #include "public_key.h"
 #include "x509_parser.h"
 
-static const
-struct public_key_algorithm *x509_public_key_algorithms[PKEY_ALGO__LAST] = {
-	[PKEY_ALGO_DSA]		= NULL,
-#if defined(CONFIG_PUBLIC_KEY_ALGO_RSA) || \
-	defined(CONFIG_PUBLIC_KEY_ALGO_RSA_MODULE)
-	[PKEY_ALGO_RSA]		= &RSA_public_key_algorithm,
-#endif
-};
-
 /*
  * Check the signature on a certificate using the provided public key
  */
@@ -174,7 +165,7 @@ static int x509_key_preparse(struct key_preparsed_payload *prep)
 		goto error_free_cert;
 	}
 
-	cert->pub->algo = x509_public_key_algorithms[cert->pkey_algo];
+	cert->pub->algo = pkey_algo[cert->pkey_algo];
 	cert->pub->id_type = PKEY_ID_X509;
 
 	/* Check the signature on the key */
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index 619d570..46bde25 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -23,6 +23,7 @@ enum pkey_algo {
 };
 
 extern const char *const pkey_algo_name[PKEY_ALGO__LAST];
+extern const struct public_key_algorithm *pkey_algo[PKEY_ALGO__LAST];
 
 enum pkey_hash_algo {
 	PKEY_HASH_MD4,

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