Unverified50% confidenceFactExact time
What the protagonist Legrand deciphers in 'The Gold-Bug' is a substitution cipher.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe Vigenère cipher is a polyalphabetic substitution scheme proposed in the 16th century, which uses a keyword to determine the shift amount for each plaintext letter.70% similarUnverifiedClassical ciphers are broadly divided into two categories: substitution ciphers and transposition ciphers, with substitution ciphers further divided into monoalphabetic substitution (such as the Caesar cipher) and polyalphabetic substitution.69% similarUnverifiedThe security of a substitution cipher is built on keeping the mapping table secret; once the mapping table leaks, the ciphertext becomes immediately readable.65% similarUnverifiedcryptsetup luksSuspend 命令在系统进入休眠或锁定状态时，设计上应将加密密钥从内存中彻底抹除64% similarUnverifiedRuneScape employed byte-for-byte 1-to-1 substitution encryption, making the encrypted data size exactly equal to the pre-encryption size with no bloat.64% similar
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