So, I feel I could have a partial reply/ appropriate line of thought to unravel the principle physique of the cipher.

Essentially, I feel that each the “Encrypted” tag on the e-mail and the floor look of base-64 are crimson herrings. Rather, it appears to be an individual typing on some form of inconvenient system or damaged keyboard.

I seen that if you examine the sure similarities that clearly exist between components of those strings, there are letters which might be both shut collectively on the keyboard or appear to be different symbols that they may stand in for.

Below is what I got here up with. You can test and discover that plenty of the letters, if not the identical, are both doubtlessly similar-looking or inside one key on a QWERTY keyboard.

Others might maybe assume that I’ve satisfied myself of a sample that does not exist. (I welcome any remark!)

ct1 = “CecKIjBrWWr”

SENDINGTEXT

ct2 = “9Vo2DN6DOWK”

ILOSTMYCODE

ct3 = “86lQSYxno0s”

ITISNTAJOKE

ct4 = “6c4yEcxnoGs”

??????AJOKE

ct5 = “FxAgwKsaX0I”

   ???????????

ct6 = “5LMLADBrWGr”

   ???????????

ct7 = “SecLIdbTR04”

SENDINGTEXT

ct8 = “FxAgwMbTQW4”

   ???????????

ct9 = “9r2mtqyMtmX”

   ???????????

ct10 = “AGVGov0nYGu”

WHYNOTONYOU

ct11 = “8zg5cz0nY0u”

ISTHISONYOU

ct12 = “EX@DJoCyext”

    ??????????? (probably an e mail handle, see ct5 and ct8 additionally)

ct13 = “F#6XUkCyN0W”

THINKINGHOW (or certainly an f-bomb maybe…)