NSA
AN INTRODUCTION TO IBM
DOCID: 4001134Jeclassified and Approved for=\elease by NSA on 09-26-2012bursuantto E.O. 13526, FOIA,-,ase # 51546eaUFIBEtl'RI' L.An Introduction to IBM Methodsin CryptanalysisBY LAMBROS D. CALLIMAHOBA basic exposition of tJu principles of p1tncJud-card mdhods and tAeirapplications in CTflplanalysis.c-.u.Electrical tabulating machines are widely used in commerce and in-dustry to reduce the labor involved in processing or analyzing a largevolume of data, or in performing a large number of manipula...
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Internal Periodicals & Publications
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Internal Periodicals & Publications
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