First Commit

externals/cryptopp/fips140.cpp

@@ -0,0 +1,84 @@
+// fips140.cpp - originally written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+
+#ifndef CRYPTOPP_IMPORTS
+
+#include "fips140.h"
+#include "misc.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+// Define this to 1 to turn on FIPS 140-2 compliance features, including additional tests during
+// startup, random number generation, and key generation. These tests may affect performance.
+#ifndef CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2
+#define CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 0
+#endif
+
+#if (CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 && !defined(OS_RNG_AVAILABLE))
+#error FIPS 140-2 compliance requires the availability of OS provided RNG.
+#endif
+
+PowerUpSelfTestStatus g_powerUpSelfTestStatus = POWER_UP_SELF_TEST_NOT_DONE;
+
+bool FIPS_140_2_ComplianceEnabled()
+{
+	return CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2;
+}
+
+void SimulatePowerUpSelfTestFailure()
+{
+	g_powerUpSelfTestStatus = POWER_UP_SELF_TEST_FAILED;
+}
+
+PowerUpSelfTestStatus CRYPTOPP_API GetPowerUpSelfTestStatus()
+{
+	return g_powerUpSelfTestStatus;
+}
+
+#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2
+// One variable for all threads for compatibility. Previously this
+// was a ThreadLocalStorage variable, which is per-thread. Also see
+// https://github.com/weidai11/cryptopp/issues/208
+static bool s_inProgress = false;
+#endif
+
+bool PowerUpSelfTestInProgressOnThisThread()
+{
+#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2
+	return s_inProgress;
+#else
+	return false;
+#endif
+}
+
+void SetPowerUpSelfTestInProgressOnThisThread(bool inProgress)
+{
+#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2
+	s_inProgress = inProgress;
+#else
+	CRYPTOPP_UNUSED(inProgress);
+#endif
+}
+
+void EncryptionPairwiseConsistencyTest_FIPS_140_Only(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor)
+{
+#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2
+	EncryptionPairwiseConsistencyTest(encryptor, decryptor);
+#else
+	CRYPTOPP_UNUSED(encryptor), CRYPTOPP_UNUSED(decryptor);
+#endif
+}
+
+void SignaturePairwiseConsistencyTest_FIPS_140_Only(const PK_Signer &signer, const PK_Verifier &verifier)
+{
+#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2
+	SignaturePairwiseConsistencyTest(signer, verifier);
+#else
+	CRYPTOPP_UNUSED(signer), CRYPTOPP_UNUSED(verifier);
+#endif
+}
+
+NAMESPACE_END
+
+#endif