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-rw-r--r--crypto/digest.c18
-rw-r--r--include/digest.h19
2 files changed, 19 insertions, 18 deletions
diff --git a/crypto/digest.c b/crypto/digest.c
index 2f2039c0ce..922d9d05f8 100644
--- a/crypto/digest.c
+++ b/crypto/digest.c
@@ -28,7 +28,7 @@
static LIST_HEAD(digests);
-static struct digest_algo* digest_algo_get_by_name(char* name);
+static struct digest_algo* digest_algo_get_by_name(const char *name);
static int dummy_init(struct digest *d)
{
@@ -69,7 +69,7 @@ void digest_algo_unregister(struct digest_algo *d)
}
EXPORT_SYMBOL(digest_algo_unregister);
-static struct digest_algo *digest_algo_get_by_name(char* name)
+static struct digest_algo *digest_algo_get_by_name(const char *name)
{
struct digest_algo* d;
@@ -84,7 +84,7 @@ static struct digest_algo *digest_algo_get_by_name(char* name)
return NULL;
}
-struct digest *digest_alloc(char* name)
+struct digest *digest_alloc(const char *name)
{
struct digest* d;
struct digest_algo* algo;
@@ -115,8 +115,8 @@ void digest_free(struct digest *d)
}
EXPORT_SYMBOL_GPL(digest_free);
-int digest_file_window(struct digest *d, char *filename,
- unsigned char *key, size_t keylen,
+int digest_file_window(struct digest *d, const char *filename,
+ const unsigned char *key, size_t keylen,
unsigned char *hash,
ulong start, ulong size)
{
@@ -189,8 +189,8 @@ out:
}
EXPORT_SYMBOL_GPL(digest_file_window);
-int digest_file(struct digest *d, char *filename,
- unsigned char *key, size_t keylen,
+int digest_file(struct digest *d, const char *filename,
+ const unsigned char *key, size_t keylen,
unsigned char *hash)
{
struct stat st;
@@ -205,8 +205,8 @@ int digest_file(struct digest *d, char *filename,
}
EXPORT_SYMBOL_GPL(digest_file);
-int digest_file_by_name(char *algo, char *filename,
- unsigned char *key, size_t keylen,
+int digest_file_by_name(const char *algo, const char *filename,
+ const unsigned char *key, size_t keylen,
unsigned char *hash)
{
struct digest *d;
diff --git a/include/digest.h b/include/digest.h
index fd47a7e248..b890a7a10b 100644
--- a/include/digest.h
+++ b/include/digest.h
@@ -31,7 +31,7 @@ struct digest_algo {
int (*init)(struct digest *d);
int (*update)(struct digest *d, const void *data, unsigned long len);
int (*final)(struct digest *d, unsigned char *md);
- int (*set_key)(struct digest *d, unsigned char *key, unsigned int len);
+ int (*set_key)(struct digest *d, const unsigned char *key, unsigned int len);
unsigned int length;
unsigned int ctx_length;
@@ -50,18 +50,18 @@ struct digest {
int digest_algo_register(struct digest_algo *d);
void digest_algo_unregister(struct digest_algo *d);
-struct digest *digest_alloc(char* name);
+struct digest *digest_alloc(const char *name);
void digest_free(struct digest *d);
-int digest_file_window(struct digest *d, char *filename,
- unsigned char *key, size_t keylen,
+int digest_file_window(struct digest *d, const char *filename,
+ const unsigned char *key, size_t keylen,
unsigned char *hash,
ulong start, ulong size);
-int digest_file(struct digest *d, char *filename,
- unsigned char *key, size_t keylen,
+int digest_file(struct digest *d, const char *filename,
+ const unsigned char *key, size_t keylen,
unsigned char *hash);
-int digest_file_by_name(char *algo, char *filename,
- unsigned char *key, size_t keylen,
+int digest_file_by_name(const char *algo, const char *filename,
+ const unsigned char *key, size_t keylen,
unsigned char *hash);
static inline int digest_init(struct digest *d)
@@ -85,7 +85,8 @@ static inline int digest_length(struct digest *d)
return d->algo->length;
}
-static inline int digest_set_key(struct digest *d, unsigned char *key, unsigned int len)
+static inline int digest_set_key(struct digest *d, const unsigned char *key,
+ unsigned int len)
{
if (!d->algo->set_key)
return -ENOTSUPP;