Added a modified libtomcrypt with DSA and RSA algorithms.

3 files changed, 83 insertions, 9 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 $ */
diff --git a/libtomcrypt/hashes/hash_memory.c b/libtomcrypt/hashes/hash_memory.c
index 8775355..274c208 100644
--- a/libtomcrypt/hashes/hash_memory.c
+++ b/libtomcrypt/hashes/hash_memory.c
@@ -29,7 +29,6 @@
 int hash_memory(int hash, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen)
 {
     int err;
-    const char* str;
     struct hash_data hdata;
     int digest_size;
 
@@ -47,7 +46,7 @@ int hash_memory(int hash, const unsigned char *in, unsigned long inlen, unsigned
        return CRYPT_BUFFER_OVERFLOW;
     }
 
-    err = cryptodev_hash_init( &data, _ncr_algo_to_str(hash), 0, NULL, 0);
+    err = cryptodev_hash_init( &hdata, _ncr_algo_to_str(hash), 0, NULL, 0);
     if (err < 0) {
        err = CRYPT_INVALID_HASH;
        goto LBL_ERR;
@@ -63,9 +62,6 @@ int hash_memory(int hash, const unsigned char *in, unsigned long inlen, unsigned
     *outlen = digest_size;
 LBL_ERR:
     cryptodev_hash_deinit(&hdata);
-#ifdef LTC_CLEAN_STACK
-    zeromem(md, sizeof(hash_state));
-#endif
 
     return err;
 }
diff --git a/libtomcrypt/hashes/hash_memory_multi.c b/libtomcrypt/hashes/hash_memory_multi.c
index c9fafc7..6a85f65 100644
--- a/libtomcrypt/hashes/hash_memory_multi.c
+++ b/libtomcrypt/hashes/hash_memory_multi.c
@@ -10,6 +10,9 @@
  */
 #include "tomcrypt.h"
 #include <stdarg.h>
+#include <ncr_int.h>
+#include <cryptodev_int.h>
+
 /**
   @file hash_memory_multi.c
   Hash (multiple buffers) memory helper, Tom St Denis
@@ -49,7 +52,7 @@ int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
        return CRYPT_BUFFER_OVERFLOW;
     }
 
-    err = cryptodev_hash_init( &data, _ncr_algo_to_str(hash), 0, NULL, 0);
+    err = cryptodev_hash_init( &hdata, _ncr_algo_to_str(hash), 0, NULL, 0);
     if (err < 0) {
        err = CRYPT_INVALID_HASH;
        goto LBL_ERR;
@@ -76,9 +79,6 @@ int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
     
     *outlen = digest_size;
 LBL_ERR:
-#ifdef LTC_CLEAN_STACK
-    zeromem(md, sizeof(hash_state));
-#endif
     cryptodev_hash_deinit(&hdata);
     va_end(args);
     return err;