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https://github.com/mod-playerbots/azerothcore-wotlk.git
synced 2026-01-16 10:30:27 +00:00
@@ -57,20 +57,7 @@ void BigNumber::SetQword(uint64 val)
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void BigNumber::SetBinary(uint8 const* bytes, int32 len, bool littleEndian)
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{
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if (littleEndian)
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{
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#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x10100000L
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uint8* array = new uint8[len];
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for (int i = 0; i < len; i++)
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array[i] = bytes[len - 1 - i];
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BN_bin2bn(array, len, _bn);
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delete[] array;
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#else
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BN_lebin2bn(bytes, len, _bn);
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#endif
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}
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else
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BN_bin2bn(bytes, len, _bn);
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}
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@@ -197,27 +184,8 @@ bool BigNumber::IsNegative() const
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void BigNumber::GetBytes(uint8* buf, std::size_t bufsize, bool littleEndian) const
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{
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#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x10100000L
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int nBytes = GetNumBytes();
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ASSERT(nBytes >= 0, "Bignum has negative number of bytes ({}).", nBytes);
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std::size_t numBytes = static_cast<std::size_t>(nBytes);
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// too large to store
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ASSERT(numBytes <= bufsize, "Buffer of size {} is too small to hold bignum with {} bytes.\n", bufsize, numBytes);
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// If we need more bytes than length of BigNumber set the rest to 0
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if (numBytes < bufsize)
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memset((void*)buf, 0, bufsize);
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BN_bn2bin(_bn, buf + (bufsize - numBytes));
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// openssl's BN stores data internally in big endian format, reverse if little endian desired
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if (littleEndian)
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std::reverse(buf, buf + bufsize);
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#else
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int res = littleEndian ? BN_bn2lebinpad(_bn, buf, bufsize) : BN_bn2binpad(_bn, buf, bufsize);
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ASSERT(res > 0, "Buffer of size {} is too small to hold bignum with {} bytes.\n", bufsize, BN_num_bytes(_bn));
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#endif
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}
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std::vector<uint8> BigNumber::ToByteVector(int32 minSize, bool littleEndian) const
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