diff --git a/src/crypto/crypto-ops.c b/src/crypto/crypto-ops.c
index 29822831..86940589 100644
--- a/src/crypto/crypto-ops.c
+++ b/src/crypto/crypto-ops.c
@@ -30,6 +30,7 @@
 #include <stddef.h>
 #include "warnings.h"
 #include "crypto-ops.h"
+#include "hash-ops.h" // for cn_fast_hash
 
 DISABLE_VS_WARNINGS(4146 4244)
 
@@ -3724,3 +3725,18 @@ void sc_invert(unsigned char* out, const unsigned char* z)
   sc_mul(out, out, out);
   sc_mul(out, out, z);
 }
+
+// res = Hp(ge_bytes)
+// where Hp = 8 * ge_fromfe_frombytes_vartime(cn_fast_hash(ge_bytes))
+// In: ge_bytes -- points to 32 bytes data
+void ge_bytes_hash_to_ec(ge_p3 *res, const unsigned char *ge_bytes)
+{
+  unsigned char h[HASH_SIZE];
+  ge_p2 point;
+  ge_p1p1 point2;
+
+  cn_fast_hash(ge_bytes, 32, h);
+  ge_fromfe_frombytes_vartime(&point, &h[0]);
+  ge_mul8(&point2, &point);
+  ge_p1p1_to_p3(res, &point2);
+}
diff --git a/src/crypto/crypto-ops.h b/src/crypto/crypto-ops.h
index f94d5f86..07122772 100644
--- a/src/crypto/crypto-ops.h
+++ b/src/crypto/crypto-ops.h
@@ -105,6 +105,8 @@ void ge_scalarmult_p3(ge_p3 *, const unsigned char *, const ge_p3 *);
 void ge_double_scalarmult_precomp_vartime(ge_p2 *, const unsigned char *, const ge_p3 *, const unsigned char *, const ge_dsmp);
 void ge_mul8(ge_p1p1 *, const ge_p2 *);
 void ge_fromfe_frombytes_vartime(ge_p2 *, const unsigned char *);
+void ge_bytes_hash_to_ec(ge_p3 *, const unsigned char *);
+
 void ge_p3_0(ge_p3 *h);
 void ge_sub(ge_p1p1 *, const ge_p3 *, const ge_cached *);
 
diff --git a/src/crypto/crypto.cpp b/src/crypto/crypto.cpp
index ec93366d..8c51959f 100644
--- a/src/crypto/crypto.cpp
+++ b/src/crypto/crypto.cpp
@@ -303,11 +303,13 @@ namespace crypto {
 
 PUSH_VS_WARNINGS
 DISABLE_VS_WARNINGS(4200)
-struct rs_comm_entry
-{
-  ec_point a, b;
-};
-  struct rs_comm {
+  struct rs_comm_entry
+  {
+    ec_point a, b;
+  };
+  
+  struct rs_comm
+  {
     hash h;
     struct rs_comm_entry ab[];
   };
@@ -422,4 +424,5 @@ POP_VS_WARNINGS
     sc_sub(&h, &h, &sum);
     return sc_isnonzero(&h) == 0;
   }
-}
+
+} // namespace crypto