LibCrypto: Add hash methods to {Signed, Unsigned}BigInteger

These just use hash the underlying bytes that make up the integer words

1 files changed, 5 insertions, 0 deletions

diff --git a/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.cpp b/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.cpp
index 256cd3e923..98b91e4c3d 100644
--- a/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.cpp
+++ b/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.cpp
@@ -217,6 +217,11 @@ FLATTEN SignedDivisionResult SignedBigInteger::divided_by(const SignedBigInteger
     };
 }
 
+u32 SignedBigInteger::hash() const
+{
+    return m_unsigned_data.hash() * (1 - (2 * m_sign));
+}
+
 void SignedBigInteger::set_bit_inplace(size_t bit_index)
 {
     m_unsigned_data.set_bit_inplace(bit_index);