试题详情
- 单项选择题Which of the following best describes a hash function？（）
A、An irreversible fast encryption method
B、A reversible fast encryption method
C、A reversible value computed from a piece of data and used to detect modifications
D、An irreversible value computed froma piece of data and used to detect modifications
E、A table inwhich values are stored for efficient retrieval.
- D
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