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authorwolfbeast <mcwerewolf@gmail.com>2018-02-23 11:04:39 +0100
committerwolfbeast <mcwerewolf@gmail.com>2018-02-23 11:04:39 +0100
commitf1a0f0a56fdd0fc39f255174ce08c06b91c66c94 (patch)
tree99ccc8e212257e1da1902036ae261e8e55d55c1c /security/nss/lib/ssl/sslbloom.h
parent8781f745556be5d7402d0f3adc67ecfe32fe04a0 (diff)
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Update NSS to 3.35-RTM
Diffstat (limited to 'security/nss/lib/ssl/sslbloom.h')
-rw-r--r--security/nss/lib/ssl/sslbloom.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/security/nss/lib/ssl/sslbloom.h b/security/nss/lib/ssl/sslbloom.h
new file mode 100644
index 000000000..032c94b0f
--- /dev/null
+++ b/security/nss/lib/ssl/sslbloom.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * A bloom filter.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __sslbloom_h_
+#define __sslbloom_h_
+
+#include "prtypes.h"
+#include "seccomon.h"
+
+typedef struct sslBloomFilterStr {
+ unsigned int k; /* The number of hashes. */
+ unsigned int bits; /* The number of bits in each hash: bits = log2(m) */
+ PRUint8 *filter; /* The filter itself. */
+} sslBloomFilter;
+
+SECStatus sslBloom_Init(sslBloomFilter *filter, unsigned int k, unsigned int bits);
+void sslBloom_Zero(sslBloomFilter *filter);
+void sslBloom_Fill(sslBloomFilter *filter);
+/* Add the given hashes to the filter. It's the caller's responsibility to
+ * ensure that there is at least |ceil(k*bits/8)| bytes of data available in
+ * |hashes|. Returns PR_TRUE if the entry was already present or it was likely
+ * to be present. */
+PRBool sslBloom_Add(sslBloomFilter *filter, const PRUint8 *hashes);
+PRBool sslBloom_Check(sslBloomFilter *filter, const PRUint8 *hashes);
+void sslBloom_Destroy(sslBloomFilter *filter);
+
+#endif /* __sslbloom_h_ */