Merged PR 10540579: Add OpenSSL implementation for RSA PSS test

## Description:

## Admin Checklist:
- [ ] You have updated documentation in symcrypt.h to reflect any changes in behavior
- [ ] You have updated CHANGELOG.md to reflect any changes in behavior
- [ ] You have updated symcryptunittest to exercise any new functionality
- [ ] If you have introduced any symbols in symcrypt.h you have updated production and test dynamic export symbols (exports.ver / exports.def / symcrypt.src) and tested the updated dynamic modules with symcryptunittest
- [ ] If you have introduced functionality that varies based on CPU features, you have manually tested with and without relevant features
- [ ] If you have made significant changes to a particular algorithm, you have checked that performance numbers reported by symcryptunittest are in line with expectations
- [ ] If you have added new algorithms/modes, you have updated the status indicator text for the associated modules if necessary

CHANGELOG.md

@@ -7,7 +7,8 @@ prior to the creation of a new release, based on the changes contained in that r
 
 - Add SymCryptEntropyAccumulator to Windows kernel module
 - Fix tweak lower 64 bit overflow calculation in SYMCRYPT_XtsAesXxx
-- Add OpenSSL implementation for XtsAes to symcryptunittest
+- Add OpenSSL implementation for XtsAes and AesGcm to symcryptunittest
+- Add OpenSSL implementation for RSA PSS to symcryptunittest
 - Add Windows user mode DLL
 - Fixed debug assertion failure in AES-GCM with nonce < 12 bytes when ASM is disabled
 

cmake-configs/OpenSSL.cmake

@@ -22,7 +22,6 @@ if(OPENSSL_BUILD_FROM_SOURCE)
                 WORKING_DIRECTORY ${OPENSSL_BUILD_ROOT})
         endif()
     endif()
-
     if(NOT EXISTS "${OPENSSL_BUILD_ROOT}/OpenSSLConfig.cmake")
         set(ENV{LANG} C)
         set(ENV{LC_ALL} C)

unittest/inc/algorithm_base.h

@@ -663,6 +663,8 @@ typedef struct _RSAKEY_TESTBLOB {
     BYTE    abModulus[RSAKEY_MAXKEYSIZE];
     BYTE    abPrime1[RSAKEY_MAXKEYSIZE];
     BYTE    abPrime2[RSAKEY_MAXKEYSIZE];
+    // Only set in OpenSSL implementation right now.
+    BYTE    abPrivateExp[RSAKEY_MAXKEYSIZE];
 
     // And some fields to make debugging easier
     const char *    pcstrSource;    // Where did this key come from

unittest/inc/openssl_implementations.h

@@ -32,5 +32,12 @@ class AuthEncImpState<ImpOpenssl, AlgAes, ModeGcm> {
     BOOLEAN inComputation;
 };
 
+template<>
+class RsaSignImpState<ImpOpenssl, AlgRsaSignPss> {
+public:
+    EVP_PKEY *pkey;
+    EVP_PKEY_CTX *pkey_ctx;
+};
+
 VOID
 addOpensslAlgs();