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：2025/12/01
block cipher
（ plural ）
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(cryptography) Any deterministic cipher that operates on fixed-size groups of bits (binary digits), called blocks, with an unvarying transformation specified by a symmetric key.
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block cipher
To protect sensitive data at rest, the company implemented a block cipher across its storage systems.
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To protect sensitive data at rest, the company implemented a block cipher across its storage systems.
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