хуя се, малинка загпгешила 500Мб архив парольной фразой в 64 символа менее чем за 5 минут. и luks относительно норм работает (~7 mb/s):

# cryptsetup benchmark
# Tests are approximate using memory only (no storage IO).
PBKDF2-sha1        36408 iterations per second
PBKDF2-sha256      30624 iterations per second
PBKDF2-sha512       3371 iterations per second
PBKDF2-ripemd160   34133 iterations per second
PBKDF2-whirlpool    2832 iterations per second
#  Algorithm | Key |  Encryption |  Decryption
     aes-cbc   128b     6.9 MiB/s     7.0 MiB/s
 serpent-cbc   128b           N/A           N/A
 twofish-cbc   128b           N/A           N/A
     aes-cbc   256b     5.8 MiB/s     5.7 MiB/s
 serpent-cbc   256b           N/A           N/A
 twofish-cbc   256b           N/A           N/A
     aes-xts   256b     6.4 MiB/s     7.0 MiB/s
 serpent-xts   256b           N/A           N/A
 twofish-xts   256b           N/A           N/A
     aes-xts   512b     5.9 MiB/s     5.7 MiB/s
 serpent-xts   512b           N/A           N/A
 twofish-xts   512b           N/A           N/A