1 files changed, 6 insertions, 0 deletions
diff --git a/src/fpe/fpe.h b/src/fpe/fpe.h
index 677304b1d..fba1652d3 100644
--- a/src/fpe/fpe.h
+++ b/src/fpe/fpe.h
@@ -13,10 +13,16 @@
 
 namespace Botan {
 
+/*
+* Encrypt X from and onto the group Z_n using key and tweak
+*/
 BigInt fpe_encrypt(const BigInt& n, const BigInt& X,
                    const SymmetricKey& key,
                    const MemoryRegion<byte>& tweak);
 
+/*
+* Decrypt X from and onto the group Z_n using key and tweak
+*/
 BigInt fpe_decrypt(const BigInt& n, const BigInt& X,
                    const SymmetricKey& key,
                    const MemoryRegion<byte>& tweak);