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diff --git a/Plugins/DbSqliteWx/fastpbkdf2.h b/Plugins/DbSqliteWx/fastpbkdf2.h
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+/*
+ * fastpbkdf2 - Faster PBKDF2-HMAC calculation
+ * Written in 2015 by Joseph Birr-Pixton <jpixton@gmail.com>
+ *
+ * To the extent possible under law, the author(s) have dedicated all
+ * copyright and related and neighboring rights to this software to the
+ * public domain worldwide. This software is distributed without any
+ * warranty.
+ *
+ * You should have received a copy of the CC0 Public Domain Dedication
+ * along with this software. If not, see
+ * <http://creativecommons.org/publicdomain/zero/1.0/>.
+ */
+
+#ifndef FASTPBKDF2_H
+#define FASTPBKDF2_H
+
+#include <stdlib.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Calculates PBKDF2-HMAC-SHA1.
+ *
+ *  @p npw bytes at @p pw are the password input.
+ *  @p nsalt bytes at @p salt are the salt input.
+ *  @p iterations is the PBKDF2 iteration count and must be non-zero.
+ *  @p nout bytes of output are written to @p out.  @p nout must be non-zero.
+ *
+ *  This function cannot fail; it does not report errors.
+ */
+void fastpbkdf2_hmac_sha1(const uint8_t *pw, size_t npw,
+                          const uint8_t *salt, size_t nsalt,
+                          uint32_t iterations,
+                          uint8_t *out, size_t nout);
+
+/** Calculates PBKDF2-HMAC-SHA256.
+ *
+ *  @p npw bytes at @p pw are the password input.
+ *  @p nsalt bytes at @p salt are the salt input.
+ *  @p iterations is the PBKDF2 iteration count and must be non-zero.
+ *  @p nout bytes of output are written to @p out.  @p nout must be non-zero.
+ *
+ *  This function cannot fail; it does not report errors.
+ */
+void fastpbkdf2_hmac_sha256(const uint8_t *pw, size_t npw,
+                            const uint8_t *salt, size_t nsalt,
+                            uint32_t iterations,
+                            uint8_t *out, size_t nout);
+
+/** Calculates PBKDF2-HMAC-SHA512.
+ *
+ *  @p npw bytes at @p pw are the password input.
+ *  @p nsalt bytes at @p salt are the salt input.
+ *  @p iterations is the PBKDF2 iteration count and must be non-zero.
+ *  @p nout bytes of output are written to @p out.  @p nout must be non-zero.
+ *
+ *  This function cannot fail; it does not report errors.
+ */
+void fastpbkdf2_hmac_sha512(const uint8_t *pw, size_t npw,
+                            const uint8_t *salt, size_t nsalt,
+                            uint32_t iterations,
+                            uint8_t *out, size_t nout);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+