diff --git a/src/utils/decryption.ts b/src/utils/decryption.ts
new file mode 100644
index 0000000..df38fd4
--- /dev/null
+++ b/src/utils/decryption.ts
@@ -0,0 +1,8 @@
+import fieldEncryption from "mongoose-field-encryption";
+import crypto from "crypto";
+
+const createHash = () => crypto.createHash("sha256").update(process.env.ENC_KEY || "").digest("hex").substring(0, 32);
+
+export const encryptClearField = (text: string) => fieldEncryption.encrypt(text, createHash(), () => process.env.SIG_KEY);
+
+export const decryptField = (encrypted: string) => fieldEncryption.decrypt(encrypted, createHash());
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