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-rw-r--r--src/lib/crypto/openssl/pbkdf2.c53
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diff --git a/src/lib/crypto/openssl/pbkdf2.c b/src/lib/crypto/openssl/pbkdf2.c
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+/*
+ * lib/crypto/openssl/pbkdf2.c
+ *
+ * Copyright 2002, 2008 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.
+ *
+ *
+ * Implementation of PBKDF2 from RFC 2898.
+ * Not currently used; likely to be used when we get around to AES support.
+ */
+
+#include <ctype.h>
+#include "k5-int.h"
+#include "hash_provider.h"
+
+#include <openssl/x509.h>
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+
+
+krb5_error_code
+krb5int_pbkdf2_hmac_sha1 (const krb5_data *out, unsigned long count,
+ const krb5_data *pass, const krb5_data *salt)
+{
+/*
+ * This is an implementation of PKCS#5 v2.0
+ * Does not return an error
+ */
+ PKCS5_PBKDF2_HMAC_SHA1(pass->data, pass->length,
+ (unsigned char *)salt->data, salt->length, count,
+ out->length, (unsigned char *)out->data);
+ return 0;
+}
+