Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 166 insertions, 0 deletions

diff --git a/libmariadb/include/ma_crypt.h b/libmariadb/include/ma_crypt.h
new file mode 100644
index 00000000..cf73359e
--- /dev/null
+++ b/libmariadb/include/ma_crypt.h
@@ -0,0 +1,166 @@
+/*
+    Copyright (C) 2018 MariaDB Corporation AB
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not see <http://www.gnu.org/licenses>
+   or write to the Free Software Foundation, Inc.,
+   51 Franklin St., Fifth Floor, Boston, MA 02110, USA
+*/
+
+#ifndef _ma_hash_h_
+#define _ma_hash_h_
+
+#include <stddef.h>
+#include <stdarg.h>
+
+/*! Hash algorithms */
+#define MA_HASH_MD5       1
+#define MA_HASH_SHA1      2
+#define MA_HASH_SHA224    3
+#define MA_HASH_SHA256    4
+#define MA_HASH_SHA384    5
+#define MA_HASH_SHA512    6
+#define MA_HASH_RIPEMD160 7
+
+/*! Hash digest sizes */
+#define MA_MD5_HASH_SIZE 16
+#define MA_SHA1_HASH_SIZE 20
+#define MA_SHA224_HASH_SIZE 28
+#define MA_SHA256_HASH_SIZE 32
+#define MA_SHA384_HASH_SIZE 48
+#define MA_SHA512_HASH_SIZE 64
+#define MA_RIPEMD160_HASH_SIZE 20
+
+#define MA_MAX_HASH_SIZE 64
+/** \typedef MRL hash context */
+
+#if defined(_WIN32)
+#include <windows.h>
+#include <bcrypt.h>
+typedef struct {
+  char free_me;
+  BCRYPT_ALG_HANDLE hAlg;
+  BCRYPT_HASH_HANDLE hHash;
+  PBYTE hashObject;
+  DWORD digest_len;
+} MA_HASH_CTX;
+#elif defined(HAVE_OPENSSL)
+typedef void MA_HASH_CTX;
+#elif defined(HAVE_GNUTLS)
+typedef struct {
+  void *ctx;
+  const struct nettle_hash *hash;
+} MA_HASH_CTX;
+#endif
+
+/**
+  @brief acquire and initialize new hash context
+
+  @param[in] algorithm   hash algorithm
+  @param[in] ctx         pointer to a crypto context
+
+  @return    hash context on success, NULL on error
+*/
+MA_HASH_CTX *ma_hash_new(unsigned int algorithm, MA_HASH_CTX *ctx);
+
+/**
+  @brief release and deinitializes a hash context
+
+  @param[in] hash context
+
+  @return    void
+*/
+void ma_hash_free(MA_HASH_CTX *ctx);
+
+/**
+  @brief hashes len bytes of data into the hash context.
+  This function can be called several times on same context to
+  hash additional data.
+
+  @param[in] ctx        hash context
+  @param[in] buffer     data buffer
+  @param[in] len        size of buffer
+
+  @return               void
+*/
+void ma_hash_input(MA_HASH_CTX *ctx,
+                   const unsigned char *buffer,
+                   size_t len);
+
+/**
+  @brief retrieves the hash value from hash context 
+
+  @param[in] ctx        hash context
+  @param[out] digest    digest containing hash value
+
+  @return               void
+ */
+void ma_hash_result(MA_HASH_CTX *ctx, unsigned char *digest);
+
+
+/**
+  @brief  returns digest size for a given hash algorithm
+
+  @param[in] hash algorithm
+
+  @returns digest size or 0 on error
+*/
+static inline size_t ma_hash_digest_size(unsigned int hash_alg)
+{
+  switch(hash_alg) {
+  case MA_HASH_MD5:
+    return MA_MD5_HASH_SIZE;
+  case MA_HASH_SHA1:
+    return MA_SHA1_HASH_SIZE;
+  case MA_HASH_SHA224:
+    return MA_SHA224_HASH_SIZE;
+  case MA_HASH_SHA256:
+    return MA_SHA256_HASH_SIZE;
+  case MA_HASH_SHA384:
+    return MA_SHA384_HASH_SIZE;
+  case MA_HASH_SHA512:
+    return MA_SHA512_HASH_SIZE;
+  case MA_HASH_RIPEMD160:
+    return MA_RIPEMD160_HASH_SIZE;
+  default:
+    return 0;
+  }
+}
+
+/**
+  @brief function to compute hash from buffer.
+
+  @param[in] hash_alg     hash algorithm
+  @param[in] buffer       buffer
+  @param[in] buffer_leng  length of buffer
+  @param[out] digest      computed hash digest
+
+  @return                 void
+*/
+static inline void ma_hash(unsigned int algorithm,
+                           const unsigned char *buffer,
+                           size_t buffer_length,
+                           unsigned char *digest)
+{
+  MA_HASH_CTX *ctx= NULL;
+#ifdef _WIN32
+  MA_HASH_CTX dctx;
+  ctx= &dctx;
+#endif
+  ctx= ma_hash_new(algorithm, ctx);
+  ma_hash_input(ctx, buffer, buffer_length);
+  ma_hash_result(ctx, digest);
+  ma_hash_free(ctx);
+}
+
+#endif /* _ma_hash_h_ */