diff --git a/srclibs/SpongyCastle.txt b/srclibs/SpongyCastle.txt
new file mode 100644
index 0000000000..8714d8f602
--- /dev/null
+++ b/srclibs/SpongyCastle.txt
@@ -0,0 +1,15 @@
+# Source details (the only mandatory fields)
+Repo Type:git
+Repo:https://github.com/rtyley/spongycastle.git
+
+# Comma-separated list of subdirs to use. The first existing subdirectory
+# found between those given will be used. If none is found or provided, the
+# root of the repo directory will be used instead.
+Subdir:
+
+# Any extra commands to prepare the source library
+Prepare:
+
+# If given "Yes", "android update project -p ." will be executed
+Update Project:
+