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LibCrypto: Fix issues in the Crypto stack

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This commit fixes up the following:
- HMAC should not reuse a single hasher when successively updating
- AES Key should not assume its user key is valid signed char*
- Mode should have a virtual destructor
And adds a RFC5246 padding mode, which is required for TLS
This commit is contained in:
AnotherTest 2020-04-29 19:17:47 +04:30 • committed by Andreas Kling
parent 7adb93ede9
commit f1578d7e9e
10 changed files with 93 additions and 49 deletions
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13
Libraries/LibCrypto/Hash/MD5.h
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@ -92,10 +92,21 @@ namespace Hash {
inline static DigestType hash(const ByteBuffer& buffer) { return hash(buffer.data(), buffer.size()); }
inline static DigestType hash(const StringView& buffer) { return hash((const u8*)buffer.characters_without_null_termination(), buffer.length()); }
inline virtual void reset() override
{
m_A = MD5Constants::init_A;
m_B = MD5Constants::init_B;
m_C = MD5Constants::init_C;
m_D = MD5Constants::init_D;
m_count[0] = 0;
m_count[1] = 0;
__builtin_memset(m_data_buffer, 0, sizeof(m_data_buffer));
}
private:
inline void transform(const u8*);
inline void reset();
static void encode(const u32* from, u8* to, size_t length);
static void decode(const u8* from, u32* to, size_t length);