Adding upstream version 4.0.upstream/4.0upstream

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

1 files changed, 123 insertions, 0 deletions

diff --git a/hash_tomcrypt.c b/hash_tomcrypt.c
new file mode 100644
index 0000000..5d126ca
--- /dev/null
+++ b/hash_tomcrypt.c
@@ -0,0 +1,123 @@
+/*
+  chronyd/chronyc - Programs for keeping computer clocks accurate.
+
+ **********************************************************************
+ * Copyright (C) Miroslav Lichvar  2012, 2018
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program 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
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * 
+ **********************************************************************
+
+  =======================================================================
+
+  Routines implementing crypto hashing using tomcrypt library.
+
+  */
+
+#include <tomcrypt.h>
+
+#include "config.h"
+#include "hash.h"
+#include "util.h"
+
+struct hash {
+  HSH_Algorithm algorithm;
+  const char *int_name;
+  const struct ltc_hash_descriptor *desc;
+};
+
+static const struct hash hashes[] = {
+  { HSH_MD5, "md5", &md5_desc },
+#ifdef LTC_SHA1
+  { HSH_SHA1, "sha1", &sha1_desc },
+#endif
+#ifdef LTC_SHA256
+  { HSH_SHA256, "sha256", &sha256_desc },
+#endif
+#ifdef LTC_SHA384
+  { HSH_SHA384, "sha384", &sha384_desc },
+#endif
+#ifdef LTC_SHA512
+  { HSH_SHA512, "sha512", &sha512_desc },
+#endif
+#ifdef LTC_SHA3
+  { HSH_SHA3_224, "sha3-224", &sha3_224_desc },
+  { HSH_SHA3_256, "sha3-256", &sha3_256_desc },
+  { HSH_SHA3_384, "sha3-384", &sha3_384_desc },
+  { HSH_SHA3_512, "sha3-512", &sha3_512_desc },
+#endif
+#ifdef LTC_TIGER
+  { HSH_TIGER, "tiger", &tiger_desc },
+#endif
+#ifdef LTC_WHIRLPOOL
+  { HSH_WHIRLPOOL, "whirlpool", &whirlpool_desc },
+#endif
+  { 0, NULL, NULL }
+};
+
+int
+HSH_GetHashId(HSH_Algorithm algorithm)
+{
+  int i, h;
+
+  for (i = 0; hashes[i].algorithm != 0; i++) {
+    if (hashes[i].algorithm == algorithm)
+      break;
+  }
+
+  if (hashes[i].algorithm == 0)
+    return -1; /* not found */
+
+  h = find_hash(hashes[i].int_name);
+  if (h >= 0)
+    return h; /* already registered */
+  
+  /* register and try again */
+  register_hash(hashes[i].desc);
+
+  return find_hash(hashes[i].int_name);
+}
+
+int
+HSH_Hash(int id, const void *in1, int in1_len, const void *in2, int in2_len,
+         unsigned char *out, int out_len)
+{
+  unsigned char buf[MAX_HASH_LENGTH];
+  unsigned long len;
+  int r;
+
+  if (in1_len < 0 || in2_len < 0 || out_len < 0)
+    return 0;
+
+  len = sizeof (buf);
+  if (in2)
+    r = hash_memory_multi(id, buf, &len,
+                          in1, (unsigned long)in1_len,
+                          in2, (unsigned long)in2_len, NULL, 0);
+  else
+    r = hash_memory(id, in1, in1_len, buf, &len);
+
+  if (r != CRYPT_OK)
+    return 0;
+
+  len = MIN(len, out_len);
+  memcpy(out, buf, len);
+
+  return len;
+}
+
+void
+HSH_Finalise(void)
+{
+}