X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fhmac%2Fhmac_local.h;fp=crypto%2Fhmac%2Fhmac_local.h;h=4d8ef6f6908187f649e1acae3ef51cf123d162d2;hp=0000000000000000000000000000000000000000;hb=706457b7bda7fdbab426b8dce83b318908339da4;hpb=25f2138b0ab54a65ba713c093ca3734d88f7cb51

diff --git a/crypto/hmac/hmac_local.h b/crypto/hmac/hmac_local.h
new file mode 100644
index 0000000000..4d8ef6f690
--- /dev/null
+++ b/crypto/hmac/hmac_local.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef HEADER_HMAC_LCL_H
+# define HEADER_HMAC_LCL_H
+
+/* The current largest case is for SHA3-224 */
+#define HMAC_MAX_MD_CBLOCK_SIZE     144
+
+struct hmac_ctx_st {
+    const EVP_MD *md;
+    EVP_MD_CTX *md_ctx;
+    EVP_MD_CTX *i_ctx;
+    EVP_MD_CTX *o_ctx;
+    unsigned int key_length;
+    unsigned char key[HMAC_MAX_MD_CBLOCK_SIZE];
+};
+
+#endif