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Add initial WiiConnect24 support

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This commit is contained in:
SketchMaster2001
2022-09-18 23:09:20 -04:00
committed by Admiral H. Curtiss
parent 487a11fd2c
commit e413d7f5ec
12 changed files with 863 additions and 1 deletions
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17
Source/Core/Common/Crypto/AES.cpp
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@ -408,4 +408,21 @@ std::unique_ptr<Context> CreateContextDecrypt(const u8* key)
return CreateContext<Mode::Decrypt>(key);
}
// OFB encryption and decryption are the exact same. We don't encrypt though.
void CryptOFB(const u8* key, const u8* iv, u8* iv_out, const u8* buf_in, u8* buf_out, size_t size)
{
mbedtls_aes_context aes_ctx;
size_t iv_offset = 0;
std::array<u8, 16> iv_tmp{};
if (iv)
std::memcpy(&iv_tmp[0], iv, 16);
ASSERT(!mbedtls_aes_setkey_enc(&aes_ctx, key, 128));
mbedtls_aes_crypt_ofb(&aes_ctx, size, &iv_offset, &iv_tmp[0], buf_in, buf_out);
if (iv_out)
std::memcpy(iv_out, &iv_tmp[0], 16);
}
} // namespace Common::AES