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LibCrypto: Do not assume that the passed in IV is as long as a block

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Just take ReadonlyBytes instead of a raw pointer.
Fixes #7072 (tested with the ASAN build fixed by #7060).
This commit is contained in:
Ali Mohammad Pur 2021-05-14 09:32:24 +04:30 • committed by Linus Groh
parent e96451edc9
commit a4e20a87d5
5 changed files with 13 additions and 13 deletions
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4
Userland/Libraries/LibCrypto/Cipher/Mode/GCM.h
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@ -84,7 +84,7 @@ public:
CTR<T>::encrypt(in, out, iv);
auto auth_tag = m_ghash->process(aad, out);
block0.apply_initialization_vector(auth_tag.data);
block0.apply_initialization_vector({ auth_tag.data, array_size(auth_tag.data) });
block0.bytes().copy_to(tag);
}
@ -103,7 +103,7 @@ public:
CTR<T>::increment(iv);
auto auth_tag = m_ghash->process(aad, in);
block0.apply_initialization_vector(auth_tag.data);
block0.apply_initialization_vector({ auth_tag.data, array_size(auth_tag.data) });
auto test_consistency = [&] {
if (block0.block_size() != tag.size() || __builtin_memcmp(block0.bytes().data(), tag.data(), tag.size()) != 0)