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1.
Kent D. Boklan 《Cryptologia》2013,37(4):340-345
Abstract We study a previously undeciphered Civil War cryptogram, limiting ourselves to pencil and paper, and discover not only a missive of military importance, but in the process, identify a new Confederate codeword. Our methods rely not only upon cryptanalysis of the encryption method but also on the exploitation of an elementary mistake. 相似文献
2.
Kent D. Boklan 《Cryptologia》2013,37(4):299-310
Abstract We study encrypted entries in the diary of a doctor in the War of 1812. Upon decrypting the contents, we find comments of great interest to the early history of the State of Tennessee. 相似文献