1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/src/math/BigInteger.cs b/crypto/src/math/BigInteger.cs
index 42b5b5089..e5ab22e92 100644
--- a/crypto/src/math/BigInteger.cs
+++ b/crypto/src/math/BigInteger.cs
@@ -1719,6 +1719,8 @@ namespace Org.BouncyCastle.Math
             return (biggie.sign >= 0 ? biggie : biggie.Add(m));
         }
 
+        public BigInteger ModDivide(BigInteger y, BigInteger m) => ModMultiply(y.ModInverse(m), m);
+
         public BigInteger ModInverse(
             BigInteger m)
         {
@@ -1875,6 +1877,10 @@ namespace Org.BouncyCastle.Math
             Array.Clear(x, 0, x.Length);
         }
 
+        public BigInteger ModMultiply(BigInteger y, BigInteger m) => Multiply(y).Mod(m);
+
+        public BigInteger ModSquare(BigInteger m) => Square().Mod(m);
+
         public BigInteger ModPow(BigInteger e, BigInteger m)
         {
             if (m.sign < 1)