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[旧帖] [求助]密码学新手，有2道题目不会做 0.00雪花
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发表于: 2012-10-2 07:16
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a) Alice sends a message m to Bob, Charlie and David, encrypting it with their public RSA keys with moduli 50621, 76693 and 70747, and all three with e = 3. The ciphertexts are respectively 884, 10535 and 48241. Recover the plaintext without factoring the moduli.
b) Factor n = 1441499 by using that a valid RSA keypair has e = 17 and d = 507905.
没有学过数论，对各种求模的运算的思维很不敏感，可是作业马上就要交了，希望前辈赐教
b) Factor n = 1441499 by using that a valid RSA keypair has e = 17 and d = 507905.
没有学过数论，对各种求模的运算的思维很不敏感，可是作业马上就要交了，希望前辈赐教
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