DES Encryption
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DES (Data Encryption Standard) is a symmetric block cipher adopted as a federal standard in 1977. It uses a 56-bit key and processes data in 64-bit blocks. While once the gold standard for encryption, its small key size makes it vulnerable to brute-force attacks with modern hardware.
DES
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56-bit 키
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대칭
알려진 취약점
Considered weak by modern standards. 56-bit key space can be exhaustively searched in hours using dedicated hardware (Deep Crack, 1998) or modern FPGAs. NIST withdrew DES as a standard in 2005. Not recommended for new deployments.