aboutsummaryrefslogtreecommitdiff
path: root/src/lib/crypto/krb/keyed_checksum_types.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/crypto/krb/keyed_checksum_types.c')
-rw-r--r--src/lib/crypto/krb/keyed_checksum_types.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/lib/crypto/krb/keyed_checksum_types.c b/src/lib/crypto/krb/keyed_checksum_types.c
new file mode 100644
index 0000000..04aa447
--- /dev/null
+++ b/src/lib/crypto/krb/keyed_checksum_types.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 1998 by the FundsXpress, INC.
+ *
+ * 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 FundsXpress. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission. FundsXpress makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is" without express
+ * or implied warranty.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "k5-int.h"
+#include "etypes.h"
+#include "cksumtypes.h"
+
+static int etype_match(krb5_enctype e1, krb5_enctype e2)
+{
+ int i1, i2;
+
+ for (i1=0; i1<krb5_enctypes_length; i1++)
+ if (krb5_enctypes_list[i1].etype == e1)
+ break;
+
+ for (i2=0; i2<krb5_enctypes_length; i2++)
+ if (krb5_enctypes_list[i2].etype == e2)
+ break;
+
+ return((i1 < krb5_enctypes_length) &&
+ (i2 < krb5_enctypes_length) &&
+ (krb5_enctypes_list[i1].enc == krb5_enctypes_list[i2].enc));
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_c_keyed_checksum_types(krb5_context context, krb5_enctype enctype,
+ unsigned int *count, krb5_cksumtype **cksumtypes)
+{
+ unsigned int i, c;
+
+ c = 0;
+ for (i=0; i<krb5_cksumtypes_length; i++) {
+ if ((krb5_cksumtypes_list[i].keyhash &&
+ etype_match(krb5_cksumtypes_list[i].keyed_etype, enctype)) ||
+ (krb5_cksumtypes_list[i].flags & KRB5_CKSUMFLAG_DERIVE)) {
+ c++;
+ }
+ }
+
+ *count = c;
+
+ if ((*cksumtypes = (krb5_cksumtype *) malloc(c*sizeof(krb5_cksumtype)))
+ == NULL)
+ return(ENOMEM);
+
+ c = 0;
+ for (i=0; i<krb5_cksumtypes_length; i++) {
+ if ((krb5_cksumtypes_list[i].keyhash &&
+ etype_match(krb5_cksumtypes_list[i].keyed_etype, enctype)) ||
+ (krb5_cksumtypes_list[i].flags & KRB5_CKSUMFLAG_DERIVE)) {
+ (*cksumtypes)[c] = krb5_cksumtypes_list[i].ctype;
+ c++;
+ }
+ }
+
+ return(0);
+}
+
+void KRB5_CALLCONV
+krb5_free_cksumtypes(krb5_context context, krb5_cksumtype *val)
+{
+ if (val)
+ free(val);
+ return;
+}
+