diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h
index 69667dfa27..fcc75e77aa 100644
--- a/crypto/evp/evp.h
+++ b/crypto/evp/evp.h
@@ -364,6 +364,7 @@ struct evp_cipher_st
  */
 #define 	EVP_CIPH_FLAG_CUSTOM_CIPHER	0x100000
 #define		EVP_CIPH_FLAG_AEAD_CIPHER	0x200000
+#define		EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK	0x400000
 
 /* Cipher context flag to indicate we can handle
  * wrap mode: if allowed in older applications it could
@@ -403,6 +404,17 @@ struct evp_cipher_st
 /* Set the GCM invocation field, decrypt only */
 #define		EVP_CTRL_GCM_SET_IV_INV		0x18
 
+#define		EVP_CTRL_TLS1_1_MULTIBLOCK_AAD	0x19
+#define		EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT	0x1a
+#define		EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT	0x1b
+
+typedef struct {
+	unsigned char *out;
+	const unsigned char *inp;
+	size_t len;
+	unsigned int interleave;
+} EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM;
+
 /* GCM TLS constants */
 /* Length of fixed part of IV derived from PRF */
 #define EVP_GCM_TLS_FIXED_IV_LEN			4