1 files changed, 63 insertions, 0 deletions
diff --git a/src/crypto/hash-ops.h b/src/crypto/hash-ops.h
new file mode 100644
index 000000000..9e6c821ef
--- /dev/null
+++ b/src/crypto/hash-ops.h
@@ -0,0 +1,63 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#pragma once
+
+#if !defined(__cplusplus)
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include "common/int-util.h"
+#include "warnings.h"
+
+static inline void *padd(void *p, size_t i) {
+  return (char *) p + i;
+}
+
+static inline const void *cpadd(const void *p, size_t i) {
+  return (const char *) p + i;
+}
+
+PUSH_WARNINGS
+DISABLE_VS_WARNINGS(4267)
+static_assert(sizeof(size_t) == 4 || sizeof(size_t) == 8, "size_t must be 4 or 8 bytes long");
+static inline void place_length(uint8_t *buffer, size_t bufsize, size_t length) {
+  if (sizeof(size_t) == 4) {
+    *(uint32_t *) padd(buffer, bufsize - 4) = swap32be(length);
+  } else {
+    *(uint64_t *) padd(buffer, bufsize - 8) = swap64be(length);
+  }
+}
+POP_WARNINGS
+
+#pragma pack(push, 1)
+union hash_state {
+  uint8_t b[200];
+  uint64_t w[25];
+};
+#pragma pack(pop)
+static_assert(sizeof(union hash_state) == 200, "Invalid structure size");
+
+void hash_permutation(union hash_state *state);
+void hash_process(union hash_state *state, const uint8_t *buf, size_t count);
+
+#endif
+
+enum {
+  HASH_SIZE = 32,
+  HASH_DATA_AREA = 136
+};
+
+void cn_fast_hash(const void *data, size_t length, char *hash);
+void cn_slow_hash(const void *data, size_t length, char *hash);
+
+void hash_extra_blake(const void *data, size_t length, char *hash);
+void hash_extra_groestl(const void *data, size_t length, char *hash);
+void hash_extra_jh(const void *data, size_t length, char *hash);
+void hash_extra_skein(const void *data, size_t length, char *hash);
+
+void tree_hash(const char (*hashes)[HASH_SIZE], size_t count, char *root_hash);