From a239789317646e3b0fa69a48af97144c49d67c79 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Mon, 21 Mar 2022 00:23:48 +0100
Subject: Add missing Blake2s source files

---
 src/Crypto/blake2.h | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/Crypto/blake2.h

(limited to 'src/Crypto/blake2.h')

diff --git a/src/Crypto/blake2.h b/src/Crypto/blake2.h
new file mode 100644
index 00000000..490ed43b
--- /dev/null
+++ b/src/Crypto/blake2.h
@@ -0,0 +1,102 @@
+/*
+   BLAKE2 reference source code package - reference C implementations
+
+   Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.  You may use this under the
+   terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+   your option.  The terms of these licenses can be found at:
+
+   - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+   - OpenSSL license   : https://www.openssl.org/source/license.html
+   - Apache 2.0        : http://www.apache.org/licenses/LICENSE-2.0
+
+   More information about the BLAKE2 hash function can be found at
+   https://blake2.net.
+*/
+
+/* Adapted for VeraCrypt */
+
+#ifndef BLAKE2_H
+#define BLAKE2_H
+#include "Common/Tcdefs.h"
+
+#if defined(_MSC_VER)
+#ifdef TC_WINDOWS_BOOT
+#define BLAKE2_PACKED(x) x
+#else
+#define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
+#endif
+
+#else
+#define BLAKE2_PACKED(x) x __attribute__((packed))
+#endif
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+  enum blake2s_constant
+  {
+    BLAKE2S_BLOCKBYTES = 64,
+    BLAKE2S_OUTBYTES   = 32,
+    BLAKE2S_KEYBYTES   = 32,
+    BLAKE2S_SALTBYTES  = 8,
+    BLAKE2S_PERSONALBYTES = 8
+  };
+
+  typedef struct blake2s_state__
+  {
+    uint32 h[8];
+    uint32 t[2];
+    uint32 f[2];
+    uint8  buf[BLAKE2S_BLOCKBYTES];
+    size_t   buflen;
+    size_t   outlen;
+    uint8  last_node;
+  } blake2s_state;
+
+#ifdef TC_WINDOWS_BOOT
+  #pragma pack(1)
+#endif
+
+  BLAKE2_PACKED(struct blake2s_param__
+  {
+    uint8  digest_length; /* 1 */
+    uint8  key_length;    /* 2 */
+    uint8  fanout;        /* 3 */
+    uint8  depth;         /* 4 */
+    uint32 leaf_length;   /* 8 */
+    uint32 node_offset;  /* 12 */
+    uint16 xof_length;    /* 14 */
+    uint8  node_depth;    /* 15 */
+    uint8  inner_length;  /* 16 */
+    /* uint8  reserved[0]; */
+    uint8  salt[BLAKE2S_SALTBYTES]; /* 24 */
+    uint8  personal[BLAKE2S_PERSONALBYTES];  /* 32 */
+  });
+
+#ifdef TC_WINDOWS_BOOT
+  #pragma pack()
+#endif
+
+  typedef struct blake2s_param__ blake2s_param;
+
+
+  /* Padded structs result in a compile-time error */
+  enum {
+    BLAKE2_DUMMY_1 = 1/(int)(sizeof(blake2s_param) == BLAKE2S_OUTBYTES)
+  };
+
+  /* Streaming API */
+  void blake2s_init( blake2s_state *S );
+  void blake2s_init_param( blake2s_state *S, const blake2s_param *P );
+  void blake2s_update( blake2s_state *S, const void *in, size_t inlen );
+  int blake2s_final( blake2s_state *S, unsigned char *out );
+
+  /* Simple API */
+  int blake2s( void *out, const void *in, size_t inlen );
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif
-- 
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