1 files changed, 8 insertions, 0 deletions

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 1aba888241dd..bd5e8ccf1687 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -17,6 +17,14 @@
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
 
+/*
+ * Maximum values for blocksize and alignmask, used to allocate
+ * static buffers that are big enough for any combination of
+ * ciphers and architectures.
+ */
+#define MAX_CIPHER_BLOCKSIZE            16
+#define MAX_CIPHER_ALIGNMASK            15
+
 struct crypto_aead;
 struct crypto_instance;
 struct module;