AES-256 Decryption code specifically for ciphertext found in The Familiar Volume 4 https://www.reddit.com/r/books/comments/3so9mx/mark_z_danielewski_here_author_of_house_of_leaves/cwyzap5/
VEM stands for XXXXXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXX XXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXX XXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXX XXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXX XXXXX XXXXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXXXX XXX XXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXX XXXXX XXXXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXX XXXXX XXXX XXXXX XXXXX XXXXX XXXXXXX XXXX XXXX XXX
“aes 256” Blocksize 16 Mode CFB Key: SHA256(passphrase) Encoded message Format: “base64(iv+cipher text)”
TF4 P602,603
Passphrase: VEM
DiOOSN7FuA7IXRUBlGzC2q/eB8vNndyrIYLlsTGcfIjx9dN5FubhV3NwtJVIEkDYPJ7AU/443bfwbb9xzcFiAKOhqB5XQFM+l3zU9/ztPGmMDtK1oydWEQiwjMUmWBgYy8BatpWch7dutGRgAS0KKUxID2G0N8sB0tGhZQHl
National Park Service Museum and Visitor Center Baltimore Pike Gettysburg, PA 17325
39.811663, -77.225647
Passphrase: esse quam videri
E/D01z1gQBPWACDsP0eR752re3HAxsNWLcnLXa9Mj9vt050WcaBTs0UUiyVF+oUCydUBM3zusDR+dtJ0B0ONxIL2rAzYQ8OA//oQq2lLtzgdz+FuqTzHqZQCQzRsA4RrqVEqO3GE9lu0loKWJg==
Lincoln Memorial 2 Lincoln Memorial Circle NW Washington, DC 20037
38.889273, -77.050090
Passphrase: sipaapuni
dALUKK7nUm91W2y5zjEjJOXZ57pjtHusb3S8tStLT7cuXu+KNHw57AXFJt940SqOewI6rCPXoDx1Mn9qTXTnxEpw6Vc+GkDwA3eeCNsumqVlGG69q1PJoDnKOg7VvpMc
Fonts Point Anza-Borrego Desert State Park California
33.256797, -116.233124
Passphrase: Let the outcome prove the side.
nQ3Uz8K5B4ns2e3UOJVHRan9+fKia/bJsoneV9U5TkEnQuN4ZGHJ5t605yos7H8LHQq7g8+9GcNoHT+tgU0B/DP68Q4cB4cnlX/8r2qbPxn0ey9cIBRat5uIxZIVILLntj8=
McClean House 113 National Park Dr Appomattox, VA 24522
37.377118, -78.797171
TF4 p 790
Passphrase: unknown
FzQrKozegTl/0PdIb2vMTC7hn1jZRfAToH4qtgvN2voqnZlVBtUZ+T32eD56lammEDRCg9/eM50OAzsrgEsqJ3ZGH7Kz/AF+wLvgds+B4i8Yf+y1VHYMyoLQu+2un10mDR/A7ms7NKTd6Q==