summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/crypto/hash.h2
-rw-r--r--include/crypto/md5.h4
2 files changed, 6 insertions, 0 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 6f6b9de12cd3..db294d452e8c 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -202,6 +202,8 @@ struct shash_desc {
#define HASH_REQUEST_CLONE(name, gfp) \
hash_request_clone(name, sizeof(__##name##_req), gfp)
+#define CRYPTO_HASH_STATESIZE(coresize, blocksize) (coresize + blocksize + 1)
+
/**
* struct shash_alg - synchronous message digest definition
* @init: see struct ahash_alg
diff --git a/include/crypto/md5.h b/include/crypto/md5.h
index 198b5d69b92f..28ee533a0507 100644
--- a/include/crypto/md5.h
+++ b/include/crypto/md5.h
@@ -2,6 +2,7 @@
#ifndef _CRYPTO_MD5_H
#define _CRYPTO_MD5_H
+#include <crypto/hash.h>
#include <linux/types.h>
#define MD5_DIGEST_SIZE 16
@@ -15,6 +16,9 @@
#define MD5_H2 0x98badcfeUL
#define MD5_H3 0x10325476UL
+#define CRYPTO_MD5_STATESIZE \
+ CRYPTO_HASH_STATESIZE(MD5_STATE_SIZE, MD5_HMAC_BLOCK_SIZE)
+
extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE];
struct md5_state {