ima: rename hash calculation functions
authorDmitry Kasatkin <dmitry.kasatkin@intel.com>
Mon, 14 May 2012 11:13:56 +0000 (14:13 +0300)
committerMimi Zohar <zohar@linux.vnet.ibm.com>
Wed, 6 Feb 2013 15:41:13 +0000 (10:41 -0500)
Rename hash calculation functions to reflect meaning
and change argument order in conventional way.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
security/integrity/ima/ima.h
security/integrity/ima/ima_api.c
security/integrity/ima/ima_crypto.c

index 5a94f9c926050e7f14a1547a8e326d351be9c9a4..6e69697fd530051c4bc3ab4af71dee6aad982fb2 100644 (file)
@@ -84,8 +84,8 @@ void ima_fs_cleanup(void);
 int ima_inode_alloc(struct inode *inode);
 int ima_add_template_entry(struct ima_template_entry *entry, int violation,
                           const char *op, struct inode *inode);
-int ima_calc_hash(struct file *file, char *digest);
-int ima_calc_template_hash(int template_len, void *template, char *digest);
+int ima_calc_file_hash(struct file *file, char *digest);
+int ima_calc_buffer_hash(const void *data, int len, char *digest);
 int ima_calc_boot_aggregate(char *digest);
 void ima_add_violation(struct inode *inode, const unsigned char *filename,
                       const char *op, const char *cause);
index 9382a4c568b2bc04493808747d51da63b595bf9e..d9030b29d84d0d90de855d77418b7ed47f74b484 100644 (file)
@@ -50,8 +50,8 @@ int ima_store_template(struct ima_template_entry *entry,
        entry->template_len = sizeof(entry->template);
 
        if (!violation) {
-               result = ima_calc_template_hash(entry->template_len,
-                                               &entry->template,
+               result = ima_calc_buffer_hash(&entry->template,
+                                               entry->template_len,
                                                entry->digest);
                if (result < 0) {
                        integrity_audit_msg(AUDIT_INTEGRITY_PCR, inode,
@@ -148,7 +148,7 @@ int ima_collect_measurement(struct integrity_iint_cache *iint,
                u64 i_version = file->f_dentry->d_inode->i_version;
 
                iint->ima_xattr.type = IMA_XATTR_DIGEST;
-               result = ima_calc_hash(file, iint->ima_xattr.digest);
+               result = ima_calc_file_hash(file, iint->ima_xattr.digest);
                if (!result) {
                        iint->version = i_version;
                        iint->flags |= IMA_COLLECTED;
index 920f49cfbf132c7e2fb34821a2e68f9ae41f4b6c..b691e0f3830ca7189955d8cb8a2095ead58c1d1b 100644 (file)
@@ -40,7 +40,7 @@ int ima_init_crypto(void)
 /*
  * Calculate the MD5/SHA1 file digest
  */
-int ima_calc_hash(struct file *file, char *digest)
+int ima_calc_file_hash(struct file *file, char *digest)
 {
        loff_t i_size, offset = 0;
        char *rbuf;
@@ -93,9 +93,9 @@ out:
 }
 
 /*
- * Calculate the hash of a given template
+ * Calculate the hash of a given buffer
  */
-int ima_calc_template_hash(int template_len, void *template, char *digest)
+int ima_calc_buffer_hash(const void *data, int len, char *digest)
 {
        struct {
                struct shash_desc shash;
@@ -105,7 +105,7 @@ int ima_calc_template_hash(int template_len, void *template, char *digest)
        desc.shash.tfm = ima_shash_tfm;
        desc.shash.flags = 0;
 
-       return crypto_shash_digest(&desc.shash, template, template_len, digest);
+       return crypto_shash_digest(&desc.shash, data, len, digest);
 }
 
 static void __init ima_pcrread(int idx, u8 *pcr)