Last Updated
：2025/12/06
ciphertext-only attack
Noun
Japanese Meaning
暗号文のみ攻撃：攻撃者がある暗号システムで暗号化された暗号文のみを手がかりとして行う攻撃手法。 / 既知平文攻撃よりも攻撃者に与えられる情報が限定されるため、成功率が低いとされる暗号解析の一形態。
（ plural ）
Quizzes for review
(cryptography) An attack on a cryptosystem that relies only on the attacker's knowledge of some ciphertexts encrypted with that system and key. Less powerful than a known-plaintext attack.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
ciphertext-only attack
During the security assessment, the team demonstrated that a ciphertext-only attack could reveal patterns in the encrypted messages.
See correct answer
During the security assessment, the team demonstrated that a ciphertext-only attack could reveal patterns in the encrypted messages.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
