Added a modified libtomcrypt with DSA and RSA algorithms.

1 files changed, 78 insertions, 0 deletions

diff --git a/libtomcrypt/hashes/hash_get_oid.c b/libtomcrypt/hashes/hash_get_oid.c
new file mode 100644
index 0000000..0a761b1
--- /dev/null
+++ b/libtomcrypt/hashes/hash_get_oid.c
@@ -0,0 +1,78 @@
+/* LibTomCrypt, modular cryptographic library
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ */
+#include "tomcrypt.h"
+#include <ncr_int.h>
+
+/*
+   Returns the OID of the hash.
+   @param idx   The hash identifier of the hash to search for
+   @return CRYPT_OK if valid
+*/
+
+const oid_st sha1_oid = {
+   .OIDlen = 6,
+   .OID = { 1, 3, 14, 3, 2, 26  },
+};
+
+const oid_st md5_oid = {
+   .OIDlen = 6,
+   .OID = { 1, 2, 840, 113549, 2, 5,  },
+};
+
+const oid_st sha224_oid = {
+   .OIDlen = 9,
+   .OID = { 2, 16, 840, 1, 101, 3, 4, 2, 4,  },
+};
+
+const oid_st sha256_oid = {
+   .OIDlen = 9,
+   .OID = { 2, 16, 840, 1, 101, 3, 4, 2, 1,  },
+};
+
+const oid_st sha384_oid = {
+   .OIDlen = 9,
+   .OID = { 2, 16, 840, 1, 101, 3, 4, 2, 2,  },
+};
+
+const oid_st sha512_oid = {
+   .OIDlen = 9,
+   .OID = { 2, 16, 840, 1, 101, 3, 4, 2, 3,  },
+};
+
+int hash_get_oid(int hash, oid_st *st)
+{
+   switch (hash) {
+      case NCR_ALG_SHA1:
+         memcpy(st, &sha1_oid, sizeof(*st));
+         break;
+      case NCR_ALG_MD5:
+         memcpy(st, &md5_oid, sizeof(*st));
+         break;
+      case NCR_ALG_SHA2_224:
+         memcpy(st, &sha224_oid, sizeof(*st));
+         break;
+      case NCR_ALG_SHA2_256:
+         memcpy(st, &sha256_oid, sizeof(*st));
+         break;
+      case NCR_ALG_SHA2_384:
+         memcpy(st, &sha384_oid, sizeof(*st));
+         break;
+      case NCR_ALG_SHA2_512:
+         memcpy(st, &sha512_oid, sizeof(*st));
+         break;
+      default:
+         return CRYPT_INVALID_ARG;
+   }
+   return CRYPT_OK;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:24 $ */