diff --git a/crypto/ripemd.h b/crypto/ripemd.h
index 2858e22..c57a2d4 100644
--- a/crypto/ripemd.h
+++ b/crypto/ripemd.h
@@ -17,10 +17,27 @@
 #define RMD320_DIGEST_SIZE      40
 #define RMD320_BLOCK_SIZE       64
 
+/* initial values  */
 #define RMD_H0  0x67452301UL
 #define RMD_H1  0xefcdab89UL
 #define RMD_H2  0x98badcfeUL
 #define RMD_H3  0x10325476UL
 #define RMD_H4  0xc3d2e1f0UL
+#define RMD_H5  0x76543210UL
+#define RMD_H6  0xfedcba98UL
+#define RMD_H7  0x89abcdefUL
+#define RMD_H8  0x01234567UL
+#define RMD_H9  0x3c2d1e0fUL
+
+/* constants */
+#define RMD_K1  0x00000000UL
+#define RMD_K2  0x5a827999UL
+#define RMD_K3  0x6ed9eba1UL
+#define RMD_K4  0x8f1bbcdcUL
+#define RMD_K5  0xa953fd4eUL
+#define RMD_K6  0x50a28be6UL
+#define RMD_K7  0x5c4dd124UL
+#define RMD_K8  0x6d703ef3UL
+#define RMD_K9  0x7a6d76e9UL
 
 #endif