encrypted-keys: style and other cleanup

Cleanup based on David Howells suggestions:
- use static const char arrays instead of #define
- rename init_sdesc to alloc_sdesc
- convert 'unsigned int' definitions to 'size_t'
- revert remaining 'const unsigned int' definitions to 'unsigned int'

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/keys/encrypted_defined.h b/security/keys/encrypted_defined.h
index c298a3f..cef5e2f 100644
--- a/security/keys/encrypted_defined.h
+++ b/security/keys/encrypted_defined.h
@@ -4,8 +4,7 @@
 #define ENCRYPTED_DEBUG 0
 
 #if ENCRYPTED_DEBUG
-static inline void dump_master_key(const u8 *master_key,
-				   unsigned int master_keylen)
+static inline void dump_master_key(const u8 *master_key, size_t master_keylen)
 {
 	print_hex_dump(KERN_ERR, "master key: ", DUMP_PREFIX_NONE, 32, 1,
 		       master_key, master_keylen, 0);
@@ -34,8 +33,7 @@
 		       hmac_size, 0);
 }
 #else
-static inline void dump_master_key(const u8 *master_key,
-				   unsigned int master_keylen)
+static inline void dump_master_key(const u8 *master_key, size_t master_keylen)
 {
 }