propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 2af95f00ebd5bb7a28b3817db1218442c935388e)

            to branch 'au.asn.ucc.matt.dropbear' (head ecd779509ef23a8cdf64888904fc9b31d78aa933)

--HG--
extra : convert_revision : d26d5eb2837f46b56a33fb0e7573aa0201abd4d5

1 files changed, 57 insertions, 0 deletions

diff --git a/libtomcrypt/src/hashes/helper/hash_file.c b/libtomcrypt/src/hashes/helper/hash_file.c
new file mode 100644
index 0000000..a92025c
--- /dev/null
+++ b/libtomcrypt/src/hashes/helper/hash_file.c
@@ -0,0 +1,57 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * 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.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/** 
+  @file hash_file.c
+  Hash a file, Tom St Denis
+*/
+
+/**
+  @param hash   The index of the hash desired
+  @param fname  The name of the file you wish to hash
+  @param out    [out] The destination of the digest
+  @param outlen [in/out] The max size and resulting size of the message digest
+  @result CRYPT_OK if successful
+*/
+int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen)
+{
+#ifdef LTC_NO_FILE
+    return CRYPT_NOP;
+#else
+    FILE *in;
+    int err;
+    LTC_ARGCHK(fname  != NULL);
+    LTC_ARGCHK(out    != NULL);
+    LTC_ARGCHK(outlen != NULL);
+
+    if ((err = hash_is_valid(hash)) != CRYPT_OK) {
+        return err;
+    }
+
+    in = fopen(fname, "rb");
+    if (in == NULL) { 
+       return CRYPT_FILE_NOTFOUND;
+    }
+
+    err = hash_filehandle(hash, in, out, outlen);
+    if (fclose(in) != 0) {
+       return CRYPT_ERROR;
+    }
+
+    return err;
+#endif
+}
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/hashes/helper/hash_file.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/03/31 14:15:35 $ */