1 files changed, 62 insertions, 0 deletions
diff --git a/comm/third_party/libgcrypt/cipher/hash-common.h b/comm/third_party/libgcrypt/cipher/hash-common.h
new file mode 100644
index 0000000000..561e77a7e5
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+++ b/comm/third_party/libgcrypt/cipher/hash-common.h
@@ -0,0 +1,62 @@
+/* hash-common.h - Declarations of common code for hash algorithms.
+ * Copyright (C) 2008 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GCRY_HASH_COMMON_H
+#define GCRY_HASH_COMMON_H
+
+#include "types.h"
+
+
+const char * _gcry_hash_selftest_check_one
+/**/         (int algo,
+              int datamode, const void *data, size_t datalen,
+              const void *expect, size_t expectlen);
+
+/* Type for the md_write helper function.  */
+typedef unsigned int (*_gcry_md_block_write_t) (void *c,
+						const unsigned char *blks,
+						size_t nblks);
+
+#if (defined(USE_SHA512) || defined(USE_WHIRLPOOL))
+/* SHA-512 and Whirlpool needs u64. SHA-512 needs larger buffer. */
+# define MD_BLOCK_MAX_BLOCKSIZE 128
+# define MD_NBLOCKS_TYPE u64
+#else
+# define MD_BLOCK_MAX_BLOCKSIZE 64
+# define MD_NBLOCKS_TYPE u32
+#endif
+
+/* SHA1 needs 2x64 bytes and SHA-512 needs 128 bytes. */
+#define MD_BLOCK_CTX_BUFFER_SIZE 128
+
+typedef struct gcry_md_block_ctx
+{
+    byte buf[MD_BLOCK_CTX_BUFFER_SIZE];
+    MD_NBLOCKS_TYPE nblocks;
+    MD_NBLOCKS_TYPE nblocks_high;
+    int count;
+    unsigned int blocksize_shift;
+    _gcry_md_block_write_t bwrite;
+} gcry_md_block_ctx_t;
+
+
+void
+_gcry_md_block_write( void *context, const void *inbuf_arg, size_t inlen);
+
+#endif /*GCRY_HASH_COMMON_H*/