Re-organize the project into a better hierarchy.

core/c/mpw-algorithm.h

@@ -0,0 +1,33 @@
+//
+//  mpw-algorithm.h
+//  MasterPassword
+//
+//  Created by Maarten Billemont on 2014-12-20.
+//  Copyright (c) 2014 Lyndir. All rights reserved.
+//
+
+// NOTE: mpw is currently NOT thread-safe.
+#include "mpw-types.h"
+
+typedef enum(unsigned int, MPAlgorithmVersion) {
+    /** V0 did math with chars whose signedness was platform-dependent. */
+            MPAlgorithmVersion0,
+    /** V1 miscounted the byte-length of multi-byte site names. */
+            MPAlgorithmVersion1,
+    /** V2 miscounted the byte-length of multi-byte user names. */
+            MPAlgorithmVersion2,
+    /** V3 is the current version. */
+            MPAlgorithmVersion3,
+};
+#define MPAlgorithmVersionCurrent MPAlgorithmVersion3
+
+/** Derive the master key for a user based on their name and master password.
+ * @return A new MP_dkLen-byte allocated buffer or NULL if an allocation error occurred. */
+const uint8_t *mpw_masterKeyForUser(
+        const char *fullName, const char *masterPassword, const MPAlgorithmVersion algorithmVersion);
+
+/** Encode a password for the site from the given master key and site parameters.
+ * @return A newly allocated string or NULL if an allocation error occurred. */
+const char *mpw_passwordForSite(
+        const uint8_t *masterKey, const char *siteName, const MPSiteType siteType, const uint32_t siteCounter,
+        const MPSiteVariant siteVariant, const char *siteContext, const MPAlgorithmVersion algorithmVersion);