C++ (Cpp) CCBigNumSubI Examples

Example #1

File: CommonCryptoUtilities.cpp Project: Comcast/WebKitForWayland

CCBigNum CCBigNum::operator-(uint32_t b) const
{
    CCStatus status = kCCSuccess;
    CCBigNumRef result = CCCreateBigNum(&status);
    RELEASE_ASSERT(!status);

    status = CCBigNumSubI(result, m_number, b);
    RELEASE_ASSERT(!status);

    return result;
}

Example #2

File: CommonBigNum.c Project: Apple-FOSS-Mirror/CommonCrypto

static int testAddSubI()
{
    CCStatus status;
    char *hex1 = "1002030405060708090021222324252627282920";
    char *result = "1002030405060708090021222324252627282921";
    CCBigNumRef num1 = CCBigNumFromHexString(&status, hex1);
    CCBigNumRef output = CCCreateBigNum(&status);
    CCBigNumRef resultExpected = CCBigNumFromHexString(&status, result);
    
    status = CCBigNumAddI(output, num1, 1);
    ok(status == 0, "operation completed");
    ok(CCBigNumCompare(output, resultExpected) == 0, "expected operation result");
    
    status = CCBigNumSubI(output, output, 1);
    ok(status == 0, "operation completed");
    ok(CCBigNumCompare(output, num1) == 0, "expected operation result");
    
    CCBigNumFree(num1);
    CCBigNumFree(output);
    CCBigNumFree(resultExpected);
    return 0;
}