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Core/Crypto: Remove support for OpenSSL 1.0

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This commit is contained in:
Shauren
2022-09-06 12:51:08 +02:00
parent 0a496d1f27
commit b8f18fad29
5 changed files with 71 additions and 159 deletions
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32
src/common/Cryptography/BigNumber.cpp
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@@ -56,20 +56,7 @@ void BigNumber::SetQword(uint64 val)
void BigNumber::SetBinary(uint8 const* bytes, int32 len, bool littleEndian)
{
if (littleEndian)
{
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x10100000L
uint8* array = new uint8[len];
for (int i = 0; i < len; i++)
array[i] = bytes[len - 1 - i];
BN_bin2bn(array, len, _bn);
delete[] array;
#else
BN_lebin2bn(bytes, len, _bn);
#endif
}
else
BN_bin2bn(bytes, len, _bn);
}
@@ -196,27 +183,8 @@ bool BigNumber::IsNegative() const
void BigNumber::GetBytes(uint8* buf, size_t bufsize, bool littleEndian) const
{
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x10100000L
int nBytes = GetNumBytes();
ASSERT(nBytes >= 0, "Bignum has negative number of bytes (%d).", nBytes);
std::size_t numBytes = static_cast<std::size_t>(nBytes);
// too large to store
ASSERT(numBytes <= bufsize, "Buffer of size %zu is too small to hold bignum with %zu bytes.\n", bufsize, numBytes);
// If we need more bytes than length of BigNumber set the rest to 0
if (numBytes < bufsize)
memset((void*)buf, 0, bufsize);
BN_bn2bin(_bn, buf + (bufsize - numBytes));
// openssl's BN stores data internally in big endian format, reverse if little endian desired
if (littleEndian)
std::reverse(buf, buf + bufsize);
#else
int res = littleEndian ? BN_bn2lebinpad(_bn, buf, bufsize) : BN_bn2binpad(_bn, buf, bufsize);
ASSERT(res > 0, "Buffer of size %zu is too small to hold bignum with %d bytes.\n", bufsize, BN_num_bytes(_bn));
#endif
}
std::vector<uint8> BigNumber::ToByteVector(int32 minSize, bool littleEndian) const