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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:09:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:09:41 +0000
commit3271d1ac389d2ec93db9c5b9ce0991ce478476cf (patch)
tree35ff7d180e1ccc061f28535d7435b5ba1789e734 /hash_tomcrypt.c
parentInitial commit. (diff)
downloadchrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.tar.xz
chrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.zip
Adding upstream version 4.3.upstream/4.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'hash_tomcrypt.c')
-rw-r--r--hash_tomcrypt.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/hash_tomcrypt.c b/hash_tomcrypt.c
new file mode 100644
index 0000000..9c425d2
--- /dev/null
+++ b/hash_tomcrypt.c
@@ -0,0 +1,126 @@
+/*
+ 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;
+
+ if (algorithm == HSH_MD5_NONCRYPTO)
+ algorithm = HSH_MD5;
+
+ 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)
+{
+}