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LibCrypto+LibTLS: Reformat everything

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I have no idea how I'll squash _this_ one...
This commit is contained in:
AnotherTest 2020-04-23 03:03:05 +04:30 • committed by Andreas Kling
parent a1e1570552
commit 05e2c7d9cf
14 changed files with 1434 additions and 1426 deletions
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172
Libraries/LibCrypto/Authentication/HMAC.h
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@ -38,97 +38,99 @@ constexpr static auto OPAD = 0x5c;
namespace Crypto {
namespace Authentication {
template <typename HashT>
class HMAC {
public:
using HashType = HashT;
using TagType = typename HashType::DigestType;
static constexpr size_t BlockSize = HashType::BlockSize;
static constexpr size_t DigestSize = HashType::DigestSize;
template <typename KeyBufferType, typename... Args>
HMAC(KeyBufferType key, Args... args)
: m_inner_hasher(args...)
, m_outer_hasher(args...)
{
derive_key(key);
reset();
template<typename HashT>
class HMAC {
public:
using HashType = HashT;
using TagType = typename HashType::DigestType;
static constexpr size_t BlockSize = HashType::BlockSize;
static constexpr size_t DigestSize = HashType::DigestSize;
template<typename KeyBufferType, typename... Args>
HMAC(KeyBufferType key, Args... args)
: m_inner_hasher(args...)
, m_outer_hasher(args...)
{
derive_key(key);
reset();
}
TagType process(const u8* message, size_t length)
{
reset();
update(message, length);
return digest();
}
void update(const u8* message, size_t length)
{
m_inner_hasher.update(message, length);
}
TagType process(const ByteBuffer& buffer) { return process(buffer.data(), buffer.size()); }
TagType process(const StringView& string) { return process((const u8*)string.characters_without_null_termination(), string.length()); }
void update(const ByteBuffer& buffer) { return update(buffer.data(), buffer.size()); }
void update(const StringView& string) { return update((const u8*)string.characters_without_null_termination(), string.length()); }
TagType digest()
{
m_outer_hasher.update(m_inner_hasher.digest().data, m_inner_hasher.DigestSize);
auto result = m_outer_hasher.digest();
reset();
return result;
}
void reset()
{
m_inner_hasher.reset();
m_outer_hasher.reset();
m_inner_hasher.update(m_key_data, BlockSize);
m_outer_hasher.update(m_key_data + BlockSize, BlockSize);
}
String class_name() const
{
StringBuilder builder;
builder.append("HMAC-");
builder.append(m_inner_hasher.class_name());
return builder.build();
}
private:
void derive_key(const u8* key, size_t length)
{
u8 v_key[BlockSize];
__builtin_memset(v_key, 0, BlockSize);
ByteBuffer key_buffer = ByteBuffer::wrap(v_key, BlockSize);
// m_key_data is zero'd, so copying the data in
// the first few bytes leaves the rest zero, which
// is exactly what we want (zero padding)
if (length > BlockSize) {
m_inner_hasher.update(key, length);
auto digest = m_inner_hasher.digest();
// FIXME: should we check if the hash function creates more data than its block size?
key_buffer.overwrite(0, digest.data, sizeof(TagType));
} else {
key_buffer.overwrite(0, key, length);
}
TagType process(const u8* message, size_t length)
{
reset();
update(message, length);
return digest();
// fill out the inner and outer padded keys
auto* i_key = m_key_data;
auto* o_key = m_key_data + BlockSize;
for (size_t i = 0; i < BlockSize; ++i) {
auto key_byte = key_buffer[i];
i_key[i] = key_byte ^ IPAD;
o_key[i] = key_byte ^ OPAD;
}
}
void update(const u8* message, size_t length)
{
m_inner_hasher.update(message, length);
}
void derive_key(const ByteBuffer& key) { derive_key(key.data(), key.size()); }
void derive_key(const StringView& key) { derive_key((const u8*)key.characters_without_null_termination(), key.length()); }
TagType process(const ByteBuffer& buffer) { return process(buffer.data(), buffer.size()); }
TagType process(const StringView& string) { return process((const u8*)string.characters_without_null_termination(), string.length()); }
void update(const ByteBuffer& buffer) { return update(buffer.data(), buffer.size()); }
void update(const StringView& string) { return update((const u8*)string.characters_without_null_termination(), string.length()); }
HashType m_inner_hasher, m_outer_hasher;
u8 m_key_data[BlockSize * 2];
};
TagType digest()
{
m_outer_hasher.update(m_inner_hasher.digest().data, m_inner_hasher.DigestSize);
auto result = m_outer_hasher.digest();
reset();
return result;
}
void reset()
{
m_inner_hasher.reset();
m_outer_hasher.reset();
m_inner_hasher.update(m_key_data, BlockSize);
m_outer_hasher.update(m_key_data + BlockSize, BlockSize);
}
String class_name() const
{
StringBuilder builder;
builder.append("HMAC-");
builder.append(m_inner_hasher.class_name());
return builder.build();
}
private:
void derive_key(const u8* key, size_t length)
{
u8 v_key[BlockSize];
__builtin_memset(v_key, 0, BlockSize);
ByteBuffer key_buffer = ByteBuffer::wrap(v_key, BlockSize);
// m_key_data is zero'd, so copying the data in
// the first few bytes leaves the rest zero, which
// is exactly what we want (zero padding)
if (length > BlockSize) {
m_inner_hasher.update(key, length);
auto digest = m_inner_hasher.digest();
// FIXME: should we check if the hash function creates more data than its block size?
key_buffer.overwrite(0, digest.data, sizeof(TagType));
} else {
key_buffer.overwrite(0, key, length);
}
// fill out the inner and outer padded keys
auto* i_key = m_key_data;
auto* o_key = m_key_data + BlockSize;
for (size_t i = 0; i < BlockSize; ++i) {
auto key_byte = key_buffer[i];
i_key[i] = key_byte ^ IPAD;
o_key[i] = key_byte ^ OPAD;
}
}
void derive_key(const ByteBuffer& key) { derive_key(key.data(), key.size()); }
void derive_key(const StringView& key) { derive_key((const u8*)key.characters_without_null_termination(), key.length()); }
HashType m_inner_hasher, m_outer_hasher;
u8 m_key_data[BlockSize * 2];
};
}
}