cryptoeasy

Поврежденная расшифровка (Corrupted Decryption)

hackerlab

Task: XOR-encrypted ciphertext with partial plaintext containing null bytes as unknown position markers. Solution: Known-plaintext attack to recover key bytes, then detect repeating key pattern (23 bytes) to decrypt the full message.

$ ls tags/ techniques/
xorknown_plaintext_attackkey_recoveryrepeating_keystream_cipher
Known-plaintext attack on XOR cipherRepeating key pattern detectionKey recovery from partial plaintext
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