diff --git a/CHANGELOG.md b/CHANGELOG.md
index a019d4170..83cf0736a 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,10 @@
 # 🚀Changelog
 
 -------------------------------------------------------------------------------------------------------------
-# 5.8.36(2024-12-25)
+# 5.8.36(2025-01-01)
 
 ### 🐣新特性
+* 【crypto 】      增加BCUtil.decodeECPrivateKey方法（issue#3829@Github）
 ### 🐞Bug修复
 
 -------------------------------------------------------------------------------------------------------------
diff --git a/hutool-crypto/src/main/java/cn/hutool/crypto/BCUtil.java b/hutool-crypto/src/main/java/cn/hutool/crypto/BCUtil.java
index 1b603cc09..f1fb2a1ae 100644
--- a/hutool-crypto/src/main/java/cn/hutool/crypto/BCUtil.java
+++ b/hutool-crypto/src/main/java/cn/hutool/crypto/BCUtil.java
@@ -14,7 +14,9 @@ import org.bouncycastle.jcajce.provider.asymmetric.util.EC5Util;
 import org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil;
 import org.bouncycastle.jce.spec.ECNamedCurveSpec;
 import org.bouncycastle.jce.spec.ECParameterSpec;
+import org.bouncycastle.jce.spec.ECPrivateKeySpec;
 import org.bouncycastle.math.ec.ECCurve;
+import org.bouncycastle.util.BigIntegers;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -44,6 +46,27 @@ public class BCUtil {
 		return ((BCECPrivateKey) privateKey).getD().toByteArray();
 	}
 
+	/**
+	 * 解码恢复EC私钥,支持Base64和Hex编码,（基于BouncyCastle）
+	 *
+	 * @param d         私钥d值
+	 * @param curveName EC曲线名
+	 * @return 私钥
+	 * @since 5.8.36
+	 */
+	public static PrivateKey decodeECPrivateKey(final byte[] d, final String curveName) {
+		final X9ECParameters x9ECParameters = ECUtil.getNamedCurveByName(curveName);
+		final ECParameterSpec ecSpec = new ECParameterSpec(
+			x9ECParameters.getCurve(),
+			x9ECParameters.getG(),
+			x9ECParameters.getN(),
+			x9ECParameters.getH()
+		);
+
+		final ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(BigIntegers.fromUnsignedByteArray(d), ecSpec);
+		return KeyUtil.generatePrivateKey("EC", privateKeySpec);
+	}
+
 	/**
 	 * 编码压缩EC公钥（基于BouncyCastle），即Q值<br>
 	 * 见：https://www.cnblogs.com/xinzhao/p/8963724.html