diff --git a/packages/libbcprov-java/build.sh b/packages/libbcprov-java/build.sh
new file mode 100644
index 0000000000..9820766085
--- /dev/null
+++ b/packages/libbcprov-java/build.sh
@@ -0,0 +1,33 @@
+TERMUX_PKG_HOMEPAGE=https://www.bouncycastle.org/java.html
+TERMUX_PKG_DESCRIPTION="A lightweight cryptography API for Java"
+TERMUX_PKG_LICENSE="MIT"
+TERMUX_PKG_LICENSE_FILE="LICENSE.html"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=1.70
+TERMUX_PKG_SRCURL=https://github.com/bcgit/bc-java/archive/refs/tags/r${TERMUX_PKG_VERSION/./rv}.tar.gz
+TERMUX_PKG_SHA256=54ff39edf38ab988c4685fbbf0a9183a5fd94dee68bff36ae742f07a30acace8
+TERMUX_PKG_DEPENDS="openjdk-17"
+TERMUX_PKG_PLATFORM_INDEPENDENT=true
+TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_make() {
+	cd prov
+	local src_dirs="src/main/java ../core/src/main/java"
+	javac -encoding UTF-8 -source 1.8 -target 1.8 $(find $src_dirs -name "*.java")
+	_BUILD_JARFILE="$TERMUX_PKG_BUILDDIR/bcprov.jar"
+	rm -f "$_BUILD_JARFILE"
+	for d in $src_dirs; do
+		local jar_op=u
+		if [ ! -e "$_BUILD_JARFILE" ]; then
+			jar_op=c
+		fi
+		pushd $d
+		jar ${jar_op}f "$_BUILD_JARFILE" $(find . -name "*.class")
+		popd
+	done
+}
+
+termux_step_make_install() {
+	mkdir -p $TERMUX_PREFIX/share/java
+	install -Dm600 "$_BUILD_JARFILE" $TERMUX_PREFIX/share/java/
+}