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authorMatt Johnston <matt@ucc.asn.au>2006-03-21 16:20:59 +0000
committerMatt Johnston <matt@ucc.asn.au>2006-03-21 16:20:59 +0000
commitf7caf6f5c640cb1756c01184898f176438a3a0c2 (patch)
tree4d32de11b18d5f6296207961b5f25d0949af80c0 /libtomcrypt/src/hashes/helper/hash_file.c
parente444f0cfe67c71d3f38854f27cefae9aea6c4cd9 (diff)
parent3f49fc5f2ca0ec4adb5cac081f502cbb86702efa (diff)
propagate from branch 'au.asn.ucc.matt.dropbear' (head 0501e6f661b5415eb76f3b312d183c3adfbfb712)
to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head 01038174ec27245b51bd43a66c01ad930880f67b) --HG-- branch : agent-client extra : convert_revision : 12b2f59db65e7339d340e95ac67d6d9ddb193c2b
Diffstat (limited to 'libtomcrypt/src/hashes/helper/hash_file.c')
-rw-r--r--libtomcrypt/src/hashes/helper/hash_file.c57
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..50f726a
--- /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.org
+ */
+#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: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */