3. You probably need some programming for this question. A sample cipher text using textbook RSA is given below. 12423 11524 7243 7459 14303 6127 10964 16399 9792 13629 14407 18817 18830 13556 3159 16647 5300 1395181 8986 8007 13167 10022 17213 2264 961 17459 4101 2999 14569 17183 15827 12693 955318194 3830 2664 13998 12501 18873 12161 13071 16900 7233 8270 17086 9792 14266 13236 5300 13951 8850 12129 6091 18110 3332 15061 12347 7817 7946 11675 13924 13892 18031 Your task is to decrypt the ciphertext. The public key (n, e) is (18923, 1261) (a) What is the private key? (b) What is the underlying plaintext? (c) In order to translate the plaintext back to ordinary English, one needs to know how English text is encoded as elements of Zn In this case, 3. You probably need some programming for this question. A sample cipher text using textbook RSA is given below. 12423 11524 7243 7459 14303 6127 10964 16399 9792 13629 14407 18817 18830 13556 3159 16647 5300 1395181 8986 8007 13167 10022 17213 2264 961 17459 4101 2999 14569 17183 15827 12693 955318194 3830 2664 13998 12501 18873 12161 13071 16900 7233 8270 17086 9792 14266 13236 5300 13951 8850 12129 6091 18110 3332 15061 12347 7817 7946 11675 13924 13892 18031 Your task is to decrypt the ciphertext. The public key (n, e) is (18923, 1261) (a) What is the private key? (b) What is the underlying plaintext? (c) In order to translate the plaintext back to ordinary English, one needs to know how English text is encoded as elements of Zn In this case