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LibCrypto: Reduce use of ByteBuffer in AES code

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Use Bytes/ReadonlyBytes more where possible.
This commit is contained in:
Andreas Kling 2021-01-12 09:25:55 +01:00
commit 52b05a08c7
Notes: sideshowbarker 2024-07-18 23:54:20 +09:00
6 changed files with 31 additions and 35 deletions
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6
Libraries/LibCrypto/Cipher/Mode/CBC.h
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@ -78,7 +78,7 @@ public:
m_cipher_block.apply_initialization_vector(iv);
cipher.encrypt_block(m_cipher_block, m_cipher_block);
ASSERT(offset + block_size <= out.size());
__builtin_memcpy(out.offset(offset), m_cipher_block.get().data(), block_size);
__builtin_memcpy(out.offset(offset), m_cipher_block.bytes().data(), block_size);
iv = out.offset(offset);
length -= block_size;
offset += block_size;
@ -89,7 +89,7 @@ public:
m_cipher_block.apply_initialization_vector(iv);
cipher.encrypt_block(m_cipher_block, m_cipher_block);
ASSERT(offset + block_size <= out.size());
__builtin_memcpy(out.offset(offset), m_cipher_block.get().data(), block_size);
__builtin_memcpy(out.offset(offset), m_cipher_block.bytes().data(), block_size);
iv = out.offset(offset);
}
@ -122,7 +122,7 @@ public:
m_cipher_block.overwrite(slice, block_size);
cipher.decrypt_block(m_cipher_block, m_cipher_block);
m_cipher_block.apply_initialization_vector(iv);
auto decrypted = m_cipher_block.get();
auto decrypted = m_cipher_block.bytes();
ASSERT(offset + decrypted.size() <= out.size());
__builtin_memcpy(out.offset(offset), decrypted.data(), decrypted.size());
iv = slice;