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-rw-r--r--src/constructs/fpe/fpe.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/constructs/fpe/fpe.cpp b/src/constructs/fpe/fpe.cpp
index d7101c544..3747171c2 100644
--- a/src/constructs/fpe/fpe.cpp
+++ b/src/constructs/fpe/fpe.cpp
@@ -105,10 +105,10 @@ FPE_Encryptor::FPE_Encryptor(const SymmetricKey& key,
if(n_bin.size() > MAX_N_BYTES)
throw std::runtime_error("N is too large for FPE encryption");
- mac->update_be(n_bin.size(), 4);
+ mac->update_be((u32bit)n_bin.size());
mac->update(&n_bin[0], n_bin.size());
- mac->update_be(tweak.size(), 4);
+ mac->update_be((u32bit)tweak.size());
mac->update(&tweak[0], tweak.size());
mac_n_t = mac->final();
@@ -119,9 +119,9 @@ BigInt FPE_Encryptor::operator()(u32bit round_no, const BigInt& R)
SecureVector<byte> r_bin = BigInt::encode(R);
mac->update(mac_n_t);
- mac->update_be(round_no, 4);
+ mac->update_be(round_no);
- mac->update_be(r_bin.size(), 4);
+ mac->update_be((u32bit)r_bin.size());
mac->update(&r_bin[0], r_bin.size());
SecureVector<byte> X = mac->final();