Given the ciphertext: AW MQDUCTIQOUZD, O PRSPCACRCATW MAUZYQ APO XYCZTE TH YWMQDUCAWI SD JZAMZ RWACP TH UBOAWCYLC OQY QYUBOMYE JACZ MAUZYQCYLC, OMMTQEAWI CT O HALYE PDPCYX; CZY RWACP XOD SY PAWIBY BYCCYQP (CZY XTPC MTXXTW), UOAQP TH BYCCYQP, CQAUBYCP TH BYCCYQP, XALCRQYP TH CZY OSTGY, OWE PT HTQCZ. CZY QYMYAGYO EYMAUZYQP CZY CYLC SD UYQHTQXAWI CZY AWGYQPY PRSPCACRCATW. PRSPCACRCATW MAUZYQP MOW SY MTXUOQYE JACZ CQOWPUTPACATW MAUZYQP. AW O CQOWPUTPACATW MAUZYQ, CZY RWACP TH CZY UBOAWCYLC OQY QYOQQOWIYE AW O EAHHYQYWC OWE RPROBBD KRACY MTXUBYL TQEYQ, SRC CZY RWACP CZYXPYBGYP OQY BYHC RWMZOWIYE. SD MTWCQOPC, AW O PRSPCACRCATW MAUZYQ, CZY RWACP TH CZY UBOAWCYLC OQY QYCOAWYE AW CZY POXY PYKRYWMY AW CZY MAUZYQCYLC, SRC CZY RWACP CZYXPYBGYP OQY OBCYQYE. CZYQY OQY O WRXSYQ TH EAHHYQYWC CDUYP TH PRSPCACRCATW MAUZYQ. AH CZY MAUZYQ TUYQOCYP TW PAWIBY BYCCYQP, AC AP CYQXYE O PAXUBY PRSPCACRCATW MAUZYQ; O MAUZYQ CZOC TUYQOCYP TW BOQIYQ IQTRUP TH BYCCYQP AP CYQXYE UTBDIQOUZAM. O XTWTOBUZOSYCAM MAUZYQ RPYP HALYE PRSPCACRCATW TGYQ CZY YWCAQY XYPPOIY, JZYQYOP O UTBDOBUZOSYCAM MAUZYQ RPYP O WRXSYQ TH PRSP- CACRCATWP OC EAHHYQYWC UTPACATWP AW CZY XYPPOIY, JZYQY O RWAC HQTX CZY UBOAWCYLC AP XOUUYE CT TWYTH PYGYQOB UTPPASABACAYP AW CZY MAUZYQCYLC OWE GAMY GYQPO. ZOGY HRW EYMTEAWI CZAP XYPPOIY OWE PCOD ZTXY, PCOD POHY, POGY BAGYP. The method used for encrypting it was simple substitution. No letter is encrypted as itself. For example, PWEC cannot be the ciphertext for when. Analyze this message using the form below 1. Cryptanalysis Form Most frequent English letters: e taoins Ciphertext frequencies A BCD EFGH IJKL P Q R M N 0 S T U VW Y Z 2. . l-letter English words: a i One letter word in ciphertext: Most frequently doubled letters in English: setflmo Double letters in ciphertext: 3. 1 4. Most frequent 2-letter words in English: an, at, as, he, be, in, is, it, on, or, to, of, do, go, no, so, my Two-letter words in ciphertext: 5. Most frequent 3-letter words in English: the, and, for, was, his, not, but, you are, her Three-letter words in ciphertext: 6. . Most frequent initial letters in English: tasoi Initial letters in ciphertext: 7. Most frequent final letters in English: e sdnt Final letters in ciphertext: 8. Plaintext letters used: abcdefghijklmnopqrstuvwxyz Given the ciphertext: AW MQDUCTIQOUZD, O PRSPCACRCATW MAUZYQ APO XYCZTE TH YWMQDUCAWI SD JZAMZ RWACP TH UBOAWCYLC OQY QYUBOMYE JACZ MAUZYQCYLC, OMMTQEAWI CT O HALYE PDPCYX; CZY RWACP XOD SY PAWIBY BYCCYQP (CZY XTPC MTXXTW), UOAQP TH BYCCYQP, CQAUBYCP TH BYCCYQP, XALCRQYP TH CZY OSTGY, OWE PT HTQCZ. CZY QYMYAGYO EYMAUZYQP CZY CYLC SD UYQHTQXAWI CZY AWGYQPY PRSPCACRCATW. PRSPCACRCATW MAUZYQP MOW SY MTXUOQYE JACZ CQOWPUTPACATW MAUZYQP. AW O CQOWPUTPACATW MAUZYQ, CZY RWACP TH CZY UBOAWCYLC OQY QYOQQOWIYE AW O EAHHYQYWC OWE RPROBBD KRACY MTXUBYL TQEYQ, SRC CZY RWACP CZYXPYBGYP OQY BYHC RWMZOWIYE. SD MTWCQOPC, AW O PRSPCACRCATW MAUZYQ, CZY RWACP TH CZY UBOAWCYLC OQY QYCOAWYE AW CZY POXY PYKRYWMY AW CZY MAUZYQCYLC, SRC CZY RWACP CZYXPYBGYP OQY OBCYQYE. CZYQY OQY O WRXSYQ TH EAHHYQYWC CDUYP TH PRSPCACRCATW MAUZYQ. AH CZY MAUZYQ TUYQOCYP TW PAWIBY BYCCYQP, AC AP CYQXYE O PAXUBY PRSPCACRCATW MAUZYQ; O MAUZYQ CZOC TUYQOCYP TW BOQIYQ IQTRUP TH BYCCYQP AP CYQXYE UTBDIQOUZAM. O XTWTOBUZOSYCAM MAUZYQ RPYP HALYE PRSPCACRCATW TGYQ CZY YWCAQY XYPPOIY, JZYQYOP O UTBDOBUZOSYCAM MAUZYQ RPYP O WRXSYQ TH PRSP- CACRCATWP OC EAHHYQYWC UTPACATWP AW CZY XYPPOIY, JZYQY O RWAC HQTX CZY UBOAWCYLC AP XOUUYE CT TWYTH PYGYQOB UTPPASABACAYP AW CZY MAUZYQCYLC OWE GAMY GYQPO. ZOGY HRW EYMTEAWI CZAP XYPPOIY OWE PCOD ZTXY, PCOD POHY, POGY BAGYP. The method used for encrypting it was simple substitution. No letter is encrypted as itself. For example, PWEC cannot be the ciphertext for when. Analyze this message using the form below 1. Cryptanalysis Form Most frequent English letters: e taoins Ciphertext frequencies A BCD EFGH IJKL P Q R M N 0 S T U VW Y Z 2. . l-letter English words: a i One letter word in ciphertext: Most frequently doubled letters in English: setflmo Double letters in ciphertext: 3. 1 4. Most frequent 2-letter words in English: an, at, as, he, be, in, is, it, on, or, to, of, do, go, no, so, my Two-letter words in ciphertext: 5. Most frequent 3-letter words in English: the, and, for, was, his, not, but, you are, her Three-letter words in ciphertext: 6. . Most frequent initial letters in English: tasoi Initial letters in ciphertext: 7. Most frequent final letters in English: e sdnt Final letters in ciphertext: 8. Plaintext letters used: abcdefghijklmnopqrstuvwxyz
