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Remove fixed block size implementations of XEX encryption #4145

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Jun 24, 2024
+0 −13
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Remove fixed block size implementations of XEX encryption #4145

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13 changes: 0 additions & 13 deletions src/lib/block/block_cipher.h
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Original file line number Diff line number Diff line change
Expand Up @@ -198,19 +198,6 @@ class Block_Cipher_Fixed_Params : public BaseClass {

size_t block_size() const final { return BS; }

// override to take advantage of compile time constant block size
void encrypt_n_xex(uint8_t data[], const uint8_t mask[], size_t blocks) const final {
xor_buf(data, mask, blocks * BS);
this->encrypt_n(data, data, blocks);
xor_buf(data, mask, blocks * BS);
}

void decrypt_n_xex(uint8_t data[], const uint8_t mask[], size_t blocks) const final {
xor_buf(data, mask, blocks * BS);
this->decrypt_n(data, data, blocks);
xor_buf(data, mask, blocks * BS);
}

Key_Length_Specification key_spec() const final { return Key_Length_Specification(KMIN, KMAX, KMOD); }
};

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