1 files changed, 85 insertions, 0 deletions
diff --git a/src/lib/crypto/nss/des/string2key.c b/src/lib/crypto/nss/des/string2key.c
new file mode 100644
index 000000000..6743c81ee
--- /dev/null
+++ b/src/lib/crypto/nss/des/string2key.c
@@ -0,0 +1,85 @@
+/*
+ * lib/crypto/openssl/des/string2key.c
+ *
+ * Copyright (C) 2009 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.
+ */
+
+#include "des_int.h"
+#include "pk11pub.h"
+#include "nss_gen.h"
+
+krb5_error_code
+mit_des_string_to_key_int (krb5_keyblock *key,
+			   const krb5_data *pw, const krb5_data *salt)
+{
+    PK11SlotInfo *slot = NULL;
+    PK11SymKey *symKey = NULL;
+    SECItem pwItem;
+    SECItem paramsItem;
+    CK_PBE_PARAMS pbe_params;
+    CK_MECHANISM_TYPE pbeMech = CKM_NETSCAPE_PBE_SHA1_DES_CBC;
+    krb5_error_code ret = -1;
+    SECItem *keyData;
+
+    ret=k5_nss_init();
+    if (ret) return ret;
+
+    slot = PK11_GetBestSlot(pbeMech, NULL);
+    if (slot == NULL) {
+	ret = k5_nss_map_last_error();
+	goto loser;
+    }
+
+    pwItem.data = (unsigned char *)pw->data;
+    pwItem.len = pw->length;
+    pbe_params.pSalt = (unsigned char *)salt->data;
+    pbe_params.ulSaltLen = salt->length;
+    pbe_params.ulIteration = 1;
+    paramsItem.data = (unsigned char *)&pbe_params;
+    paramsItem.len = sizeof(pbe_params);
+
+    symKey = PK11_RawPBEKeyGen(slot, pbeMech, &paramsItem, &pwItem, 
+				PR_FALSE, NULL);
+    if (symKey == NULL) {
+	ret = k5_nss_map_last_error();
+	goto loser;
+    }
+    PK11_ExtractKeyValue(symKey);
+    keyData = PK11_GetKeyData(symKey);
+    if (!keyData) {
+	ret = k5_nss_map_last_error();
+	goto loser;
+    }
+    key->length = keyData->len;
+    memcpy(key->contents, keyData->data, key->length);
+    ret = 0;
+
+loser:
+    if (symKey) {
+	PK11_FreeSymKey(symKey);
+    }
+    if (slot) {
+	PK11_FreeSlot(slot);
+    }
+    return ret;
+}