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-rw-r--r--Userland/test-crypto.cpp42
1 files changed, 42 insertions, 0 deletions
diff --git a/Userland/test-crypto.cpp b/Userland/test-crypto.cpp
index 5b38d8a692..c8e9759bde 100644
--- a/Userland/test-crypto.cpp
+++ b/Userland/test-crypto.cpp
@@ -305,6 +305,7 @@ void hmac_sha512_test_process();
void bigint_test_fibo500();
void bigint_addition_edgecases();
void bigint_subtraction();
+void bigint_multiplication();
int aes_cbc_tests()
{
@@ -799,6 +800,7 @@ int bigint_tests()
bigint_test_fibo500();
bigint_addition_edgecases();
bigint_subtraction();
+ bigint_multiplication();
return 0;
}
@@ -851,6 +853,8 @@ void bigint_addition_edgecases()
PASS;
} else {
FAIL(Incorrect Result);
+ }
+ }
}
void bigint_subtraction()
@@ -902,3 +906,41 @@ void bigint_subtraction()
}
}
}
+
+void bigint_multiplication()
+{
+ {
+ I_TEST((BigInteger | Simple Multipliction));
+ Crypto::UnsignedBigInteger num1(8);
+ Crypto::UnsignedBigInteger num2(251);
+ Crypto::UnsignedBigInteger result = num1.multiply(num2);
+ dbg() << "result: " << result;
+ if (result.words() == Vector<u32> { 2008 }) {
+ PASS;
+ } else {
+ FAIL(Incorrect Result);
+ }
+ }
+ {
+ I_TEST((BigInteger | Multiplications with big numbers 1));
+ Crypto::UnsignedBigInteger num1 = bigint_fibonacci(200);
+ Crypto::UnsignedBigInteger num2(12345678);
+ Crypto::UnsignedBigInteger result = num1.multiply(num2);
+ if (result.words() == Vector<u32> { 669961318, 143970113, 4028714974, 3164551305, 1589380278, 2 }) {
+ PASS;
+ } else {
+ FAIL(Incorrect Result);
+ }
+ }
+ {
+ I_TEST((BigInteger | Multiplications with big numbers 2));
+ Crypto::UnsignedBigInteger num1 = bigint_fibonacci(200);
+ Crypto::UnsignedBigInteger num2 = bigint_fibonacci(341);
+ Crypto::UnsignedBigInteger result = num1.multiply(num2);
+ if (result.words() == Vector<u32> { 3017415433, 2741793511, 1957755698, 3731653885, 3154681877, 785762127, 3200178098, 4260616581, 529754471, 3632684436, 1073347813, 2516430 }) {
+ PASS;
+ } else {
+ FAIL(Incorrect Result);
+ }
+ }
+}