Update Lyra2.h

crypto/Lyra2.h

@@ -1 +1,50 @@
+/**
+ * Header file for the Lyra2 Password Hashing Scheme (PHS).
+ * 
+ * Author: The Lyra PHC team (http://www.lyra-kdf.net/) -- 2014.
+ * 
+ * This software is hereby placed in the public domain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef LYRA2_H_
+#define LYRA2_H_
 
+#include <stdint.h>
+
+typedef unsigned char byte;
+
+//Block length required so Blake2's Initialization Vector (IV) is not overwritten (THIS SHOULD NOT BE MODIFIED)
+#define BLOCK_LEN_BLAKE2_SAFE_INT64 8                                   //512 bits (=64 bytes, =8 uint64_t)
+#define BLOCK_LEN_BLAKE2_SAFE_BYTES (BLOCK_LEN_BLAKE2_SAFE_INT64 * 8)   //same as above, in bytes
+
+
+#ifdef BLOCK_LEN_BITS
+        #define BLOCK_LEN_INT64 (BLOCK_LEN_BITS/64)      //Block length: 768 bits (=96 bytes, =12 uint64_t)
+        #define BLOCK_LEN_BYTES (BLOCK_LEN_BITS/8)       //Block length, in bytes
+#else   //default block lenght: 768 bits
+        #define BLOCK_LEN_INT64 12                       //Block length: 768 bits (=96 bytes, =12 uint64_t)
+        #define BLOCK_LEN_BYTES (BLOCK_LEN_INT64 * 8)    //Block length, in bytes
+#endif
+
+#ifndef N_COLS
+        #define N_COLS 8                                //Number of columns in the memory matrix: fixed to 64 by default
+#endif
+
+#define ROW_LEN_INT64 (BLOCK_LEN_INT64 * N_COLS) //Total length of a row: N_COLS blocks
+#define ROW_LEN_BYTES (ROW_LEN_INT64 * 8)        //Number of bytes per row
+
+
+int LYRA2(void *K, uint64_t kLen, const void *pwd, uint64_t pwdlen, const void *salt, uint64_t saltlen, uint64_t timeCost, uint64_t nRows, uint64_t nCols);
+
+#endif /* LYRA2_H_ */