sc.c

#define CF_CHECK_EQ(expr, res) if ( (expr) != (res) ) { goto end; }
#define CF_CHECK_NE(expr, res) if ( (expr) == (res) ) { goto end; }

void SymCryptFatal(UINT32 fatalCode) {
    (void)fatalCode;

    abort();
}
void SymCryptInjectError( PBYTE pbData, SIZE_T cbData ) {
    (void)pbData;
    (void)cbData;
}

PVOID SymCryptCallbackAlloc( SIZE_T nBytes ) {
    return malloc(nBytes);
}

VOID SymCryptCallbackFree( VOID * pMem ) {
    free(pMem);
}

SYMCRYPT_ERROR SymCryptCallbackRandom(PBYTE   pbBuffer, SIZE_T  cbBuffer ) {
    abort();
}

SYMCRYPT_CPU_FEATURES
SymCryptCpuFeaturesNeverPresent(void) {
    return 0;
}

int main(void)
{
    const unsigned char hash[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
    const unsigned char pub[] = {0x94, 0x7B, 0x9D, 0x3D, 0x56, 0x12, 0xDA, 0x44, 0x4B, 0x4D, 0xC5, 0x2D, 0xEF, 0x03, 0x45, 0xC6, 0xE7, 0xAC, 0xB3, 0x1D, 0xD6, 0xF4, 0xCD, 0xD0, 0x1B, 0x8D, 0x1E, 0xE1, 0x94, 0xD7, 0x82, 0x91, 0xDB, 0x7D, 0x7B, 0xA7, 0xEA, 0x1B, 0xE4, 0x94, 0x0C, 0xAB, 0x75, 0xD9, 0x94, 0xD6, 0x4D, 0xBA};
    const unsigned char sig[] = {0x5F, 0xED, 0x32, 0xB4, 0x9B, 0xE4, 0x32, 0xC8, 0x08, 0x56, 0xA5, 0x78, 0x86, 0x14, 0x79, 0xC6, 0x06, 0x28, 0x14, 0x9A, 0x64, 0xB6, 0x20, 0xB5, 0x3A, 0x95, 0x40, 0xB1, 0x7C, 0xA8, 0x64, 0x50, 0x12, 0x49, 0x7E, 0x11, 0x30, 0x71, 0x5D, 0xD5, 0xEA, 0xE1, 0xBB, 0x29, 0x52, 0x00, 0x02, 0x73};

    SYMCRYPT_ECURVE* curve = SymCryptEcurveAllocate(SymCryptEcurveParamsNistP192, 0);
    SYMCRYPT_ECKEY* key = NULL;
    const SYMCRYPT_ECURVE_PARAMS* curveParams = NULL;
    CF_CHECK_NE(key = SymCryptEckeyAllocate(curve), NULL);

    CF_CHECK_EQ(SymCryptEckeySetValue(
                NULL, 0,
                pub, sizeof(pub),
                SYMCRYPT_NUMBER_FORMAT_MSB_FIRST, SYMCRYPT_ECPOINT_FORMAT_XY,
                0, key), SYMCRYPT_NO_ERROR);

    SymCryptEcDsaVerify(
            key,
            hash,
            sizeof(hash),
            sig,
            sizeof(sig),
            SYMCRYPT_NUMBER_FORMAT_MSB_FIRST,
            0);

end:
    return 0;
}