1 files changed, 62 insertions, 0 deletions
diff --git a/src/libcryptobox/catena/catena.h b/src/libcryptobox/catena/catena.h
new file mode 100644
index 0000000..1fcea21
--- /dev/null
+++ b/src/libcryptobox/catena/catena.h
@@ -0,0 +1,62 @@
+/*-
+ * Copyright 2016 Vsevolod Stakhov
+ *
+ * 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 SRC_LIBCRYPTOBOX_CATENA_CATENA_H_
+#define SRC_LIBCRYPTOBOX_CATENA_CATENA_H_
+
+/* Modes  */
+#define PASSWORD_HASHING_MODE 0
+#define KEY_DERIVATION_MODE 1
+#define REGULAR 0
+#define CLIENT 1
+
+#define CATENA_HLEN 64
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int catena(const uint8_t *pwd, const uint32_t pwdlen,
+		   const uint8_t *salt, const uint8_t saltlen,
+		   const uint8_t *data, const uint32_t datalen,
+		   const uint8_t lambda, const uint8_t min_garlic,
+		   const uint8_t garlic, const uint8_t hashlen, uint8_t *hash);
+
+/**
+ * Simple interface for catena PBKDF
+ * @param pwd password
+ * @param pwdlen length of password
+ * @param salt salt
+ * @param saltlen length of salt
+ * @param data additional data
+ * @param datalen length of additional data
+ * @param hash output hash
+ * @return 0 if hash is generated, -1 in case of error
+ */
+int simple_catena(const uint8_t *pwd, const uint32_t pwdlen,
+				  const uint8_t *salt, const uint8_t saltlen,
+				  const uint8_t *data, const uint32_t datalen,
+				  uint8_t hash[CATENA_HLEN]);
+
+/**
+ * Run a quick test on catena implementation
+ */
+int catena_test(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SRC_LIBCRYPTOBOX_CATENA_CATENA_H_ */