X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=libtomcrypt%2Fsrc%2Fhashes%2Fhelper%2Fhash_file.c;fp=libtomcrypt%2Fsrc%2Fhashes%2Fhelper%2Fhash_file.c;h=0b96eaee582af4acfcf38f0c5f0646d02a352f14;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage

diff --git a/libtomcrypt/src/hashes/helper/hash_file.c b/libtomcrypt/src/hashes/helper/hash_file.c
new file mode 100644
index 0000000..0b96eae
--- /dev/null
+++ b/libtomcrypt/src/hashes/helper/hash_file.c
@@ -0,0 +1,53 @@
+/* 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.
+ */
+#include "tomcrypt.h"
+
+#ifndef LTC_NO_FILE
+/**
+  @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)
+{
+    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 /* #ifndef LTC_NO_FILE */
+
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */