feat: a1 without d

sheet02/a1/e.txt

@@ -0,0 +1,9 @@
+Decrypt the aes-encrypted key with the aes-key and iv:
+openssl enc -d -aes-256-cbc -in b-enc-aes.txt -out b-dec-aes.txt -K cddf0c7f664624fd0b604c622a2c670dffc3fdd7859a7cdd2377d1ba2ab86f89 -iv 30579741743af76bdd06ec45b12ee6d7
+
+Decrypt encrypted file using the rsa private key
+openssl pkeyutl -decrypt -inkey a1/c-rsa-priv.key -in a1/c-enc-rsa.txt -out a1/c-dec-rsa.txt
+
+Verify the same files with the tool diff
+diff plaintext.txt b-dec-aes.txt  -> Prints nothing, so its the same
+diff plaintext.txt c-dec-rsa.txt  -> Prints nothing, so its the same