donut snapshot
diff --git a/cmds/keystore/keymgmt.h b/cmds/keystore/keymgmt.h
new file mode 100644
index 0000000..0e928db
--- /dev/null
+++ b/cmds/keystore/keymgmt.h
@@ -0,0 +1,82 @@
+/*
+** Copyright 2009, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#ifndef __KEYMGMT_H__
+#define __KEYMGMT_H__
+
+#define MASTER_KEY_TAG  "master_key"
+#define MASTER_KEY      ".keymaster"
+#define MAX_PATH_LEN    128
+#define SALT            "Android Keystore 0.1"
+#define NAME_DELIMITER  "_"
+#define KEYFILE_NAME    "%s"NAME_DELIMITER"%s"
+#define KEYGEN_ITER     1024
+#define AES_KEY_LEN     128
+#define USER_KEY_LEN    (AES_KEY_LEN/8)
+#define IV_LEN          USER_KEY_LEN
+#define MAX_RETRY_COUNT   6
+#define MIN_PASSWD_LENGTH 8
+
+#define gen_key(passwd, key, len) \
+                PKCS5_PBKDF2_HMAC_SHA1(passwd, strlen(passwd), \
+                                       (unsigned char*)SALT, \
+                                       strlen(SALT), KEYGEN_ITER, \
+                                       len, key)
+
+#define KEYFILE_LEN MAX_NAMESPACE_LENGTH + MAX_KEY_NAME_LENGTH + 6
+
+#define get_blob_size(blob) \
+        (((blob->value_size + sizeof(uint32_t) + MAX_KEY_NAME_LENGTH \
+        + USER_KEY_LEN - 1) / USER_KEY_LEN) * USER_KEY_LEN)
+
+#define MAX_BLOB_LEN    ((MAX_KEY_VALUE_LENGTH + MAX_KEY_NAME_LENGTH + \
+                         sizeof(uint32_t) + USER_KEY_LEN - 1) / USER_KEY_LEN)\
+                         * USER_KEY_LEN
+
+#define data_blob_size(blob) USER_KEY_LEN + sizeof(uint32_t) + blob->blob_size
+
+typedef struct {
+    unsigned char iv[USER_KEY_LEN];
+    uint32_t blob_size;
+    union {
+        unsigned char blob[1];
+        struct {
+            uint32_t value_size;
+            char keyname[MAX_KEY_NAME_LENGTH];
+            unsigned char value[MAX_KEY_VALUE_LENGTH];
+        } __attribute__((packed));
+    };
+} DATA_BLOB;
+
+typedef struct {
+    char tag[USER_KEY_LEN];
+    unsigned char master_key[USER_KEY_LEN];
+} MASTER_BLOB;
+
+int put_key(const char *namespace, const char *keyname,
+            unsigned char *data, int size);
+int get_key(const char *namespace, const char *keyname,
+            unsigned char *data, int *size);
+int remove_key(const char *namespace, const char *keyname);
+int list_keys(const char *namespace, char reply[BUFFER_MAX]);
+int passwd(char *data);
+int lock();
+int unlock(char *passwd);
+KEYSTORE_STATE get_state();
+int reset_keystore();
+int init_keystore(const char *dir);
+
+#endif