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authorZhanna Tsitkov <tsitkova@mit.edu>2009-08-03 14:19:16 +0000
committerZhanna Tsitkov <tsitkova@mit.edu>2009-08-03 14:19:16 +0000
commit3c40c7f134b4e87baa43b0cacb435b6f96245e2f (patch)
tree2b1014db60c1d3941f17a4d00221e07cc5cece62 /src/lib/crypto/krb/keyblocks.c
parentab7ffb919b4ee5ee5bc07f987d9163202a632e6a (diff)
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Crypto modularity proj: Separate files under crypto directory based on their functionality. Move Kerberos specific files into krb subdir and MIT specific - into builtin subdir. Place all tests into crypto_tests subfolder.
bigredbutton: whitespace git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22477 dc483132-0cff-0310-8789-dd5450dbe970
Diffstat (limited to 'src/lib/crypto/krb/keyblocks.c')
-rw-r--r--src/lib/crypto/krb/keyblocks.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/lib/crypto/krb/keyblocks.c b/src/lib/crypto/krb/keyblocks.c
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+/*
+ * lib/crypto/keyblocks.c
+ *
+ * Copyright (C) 2002, 2005 by the Massachusetts Institute of Technology.
+ * All rights reserved.
+ *
+ * Export of this software from the United States of America may
+ * require a specific license from the United States Government.
+ * It is the responsibility of any person or organization contemplating
+ * export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission. Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is" without express
+ * or implied warranty.
+ *
+ *
+ *
+ * krb5_init_keyblock- a function to set up
+ * an empty keyblock
+ */
+
+
+#include "k5-int.h"
+#include <assert.h>
+
+krb5_error_code krb5int_c_init_keyblock
+ (krb5_context context, krb5_enctype enctype,
+ size_t length, krb5_keyblock **out)
+{
+ krb5_keyblock *kb;
+ kb = malloc (sizeof(krb5_keyblock));
+ assert (out);
+ *out = NULL;
+ if (!kb) {
+ return ENOMEM;
+ }
+ kb->magic = KV5M_KEYBLOCK;
+ kb->enctype = enctype;
+ kb->length = length;
+ if(length) {
+ kb->contents = malloc (length);
+ if(!kb->contents) {
+ free (kb);
+ return ENOMEM;
+ }
+ } else {
+ kb->contents = NULL;
+ }
+ *out = kb;
+ return 0;
+}
+
+
+void
+krb5int_c_free_keyblock(krb5_context context, register krb5_keyblock *val)
+{
+ krb5int_c_free_keyblock_contents(context, val);
+ free(val);
+}
+
+void
+krb5int_c_free_keyblock_contents(krb5_context context, krb5_keyblock *key)
+{
+ if (key && key->contents) {
+ krb5int_zap_data (key->contents, key->length);
+ free(key->contents);
+ key->contents = 0;
+ }
+}