2 files changed, 8 insertions, 0 deletions
diff --git a/include/crypto/md5.h b/include/crypto/md5.h
index 146af825eedb..327deac963c0 100644
--- a/include/crypto/md5.h
+++ b/include/crypto/md5.h
@@ -13,6 +13,8 @@
 #define MD5_H2	0x98badcfeUL
 #define MD5_H3	0x10325476UL
 
+extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE];
+
 struct md5_state {
 	u32 hash[MD5_HASH_WORDS];
 	u32 block[MD5_BLOCK_WORDS];
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index dd7905a3c22e..c94d3eb1cefd 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -64,6 +64,12 @@
 #define SHA512_H6	0x1f83d9abfb41bd6bULL
 #define SHA512_H7	0x5be0cd19137e2179ULL
 
+extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE];
+
+extern const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE];
+
+extern const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE];
+
 struct sha1_state {
 	u32 state[SHA1_DIGEST_SIZE / 4];
 	u64 count;